METHOD FOR PRODUCING A COLOR IMAGE AND IMAGING DEVICE EMPLOYING SAME

• US 20110050695A1
• Filed: 08/26/2010
• Published: 03/03/2011
• Est. Priority Date: 09/01/2009
• Status: Active Grant

• Current Assignee: Entertainment Experience LLC
• Original Assignee: Entertainment Experience LLC
• Inventors: HECKAMAN, Rodney, SULLIVAN, James R.
• Granted Patent: US 8,520,023 B2
• Time in Patent Office: Days
• US Class Current: 345/426
• CPC Class Codes: G06T 11/001 Texturing; Colouring; Generation of texture or colour inpainting G06T5/77
• CPC Class Codes: G09G 2340/06 Colour space transformation
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 5/02 characterised by the way in which colour is displayed details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 5/06 using colour palettes, e.g. look-up tables

Abstract

A method of producing a color image comprising providing input image data from an image source such as a camera; generating an at least three-dimensional look-up table of values of input colors and output colors, wherein the values in the lookup table convert the input image color data to output image color data in an image rendering unit; loading the at least three-dimensional look-up table into an image color rendering controller; loading the input image data into the imaging color rendering controller; processing the input image data through the at least three-dimensional look-up table to produce output color values stored at the addresses in the at least three-dimensional look-up table; and outputting the output color values to the image rendering unit to produce an output image that is perceived to have at least one of enhanced brightness, enhanced contrast, or enhanced colorfulness compared to the input image.

Claims

1. A method of producing a color image, the method comprising:

a. providing input image data;

b. generating an at least three-dimensional look-up table of values of input colors and output colors, wherein the values in the lookup table convert the input image color data to output image color data in an image rendering unit;

c. loading the at least three-dimensional look-up table into an image color rendering controller;

d. loading the input image data into the imaging color rendering controller;

e. processing the input image data through the at least three-dimensional look-up table to produce output color values stored at the addresses in the at least three-dimensional look-up table; and

f. outputting the output color values to the image rendering unit to produce an output image that is perceived to have at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness compared to the input image.

2. The method of claim 1, wherein the values in the look-up table are calculated based upon a visual model of the human visual system.

3. The method of claim 1, wherein the at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness introduced by the at least three dimensional look-up-table produce a chosen artistic perception in the output image.

4. The method of claim 1, wherein the image rendering unit is of an expanded color gamut greater than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the expanded color gamut.

5. The method of claim 1, wherein the image rendering unit is of a smaller color gamut than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the smaller color gamut.

6. The method of claim 1, wherein the input image data contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the image rendering unit.

7. The method of claim 6, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness, and contrast of the memory colors.

8. The method of claim 7, wherein perceived colorfulness, brightness and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

9. The method of claim 6, wherein generating the at least three-dimensional look-up table includes computing enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

10. The method of claim 6, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

11. The method of claim 6, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the image rendering unit.

12. The method of claim 11, further comprising selecting one of the at least three-dimensional look-up tables for loading into the image color rendering controller based upon the viewing environment of the image rendering unit.

13. The method of claim 12, further comprising providing a sensor for measuring the ambient light in the viewing environment.

14. The method of claim 1, wherein the input image data is of a first color standard, and the method further comprises converting the input image data of the first input color standard into an input color specification for inputting into the three-dimensional look-up table.

15. The method of claim 1, wherein the at least three-dimensional look-up table has at least three input colors.

16. The method of claim 1, wherein the at least three-dimensional look-up table has at least three output colors.

17. The method of claim 16, wherein the at least three output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

18. The method of claim 1, wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

19. The method of claim 1, further comprising calibrating the image rendering unit by measuring the color response of the image rendering unit, and then modifying the output image data by one of additional processing after the at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

20. The method of claim 1, wherein the image color rendering controller is contained within the image rendering unit.

21. The method of claim 1, wherein the imaging color rendering controller is external to the image rendering unit.

22. The method of claim 1, wherein an auxiliary imaging device controller is in communication with the image color rendering controller and the image rendering unit.

23. The method of claim 1, wherein the image color rendering controller is in communication with the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

24. The method of claim 1, wherein the image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

25. The method of claim 1, wherein the image rendering unit includes an algorithm for color modification, wherein the at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the image rendering unit.

26. The method of claim 25, wherein the image rendering unit includes an algorithm for creating secondary colors from primary colors, and the at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the image rendering unit.

27. The method of claim 25, wherein the at least three-dimensional look-up table further comprises processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the image rendering unit.

28. The method of claim 1, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual adaptation of the human visual system.

29. The method of claim 1, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

30. The method of claim 1, wherein the at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the image rendering unit.

31. The method of claim 1, wherein the color image is a 3D color image.

32. A method of producing a color image, the method comprising:

a. providing input image data of a first color gamut and an image rendering unit of a second, different color gamut;

b. generating an at least three-dimensional look-up table of values of input colors and output colors, wherein the values in the lookup table change the input image data to encompass the second color gamut of the image rendering unit;

c. loading the at least three-dimensional look-up table into an image color rendering controller;

d. loading the input image data into the imaging color rendering controller;

e. processing the input image data through the at least three-dimensional look-up table using the input image data as addresses into the at least three-dimensional look-up table to produce output image data from the output color values stored at the addresses in the at least three-dimensional look-up table; and

f. outputting the output image data to the image rendering unit to produce an output image that is perceived to have at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness compared to the input image.

33. The method of claim 32, wherein the values in the lookup table are calculated based upon a visual model of the human visual system.

34. The method of claim 32, wherein the at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness introduced by the at least three dimensional look-up-table produce a chosen artistic perception in the output image.

35. The method of claim 32, wherein the image rendering unit is of an expanded color gamut greater than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the expanded color gamut.

36. The method of claim 32, wherein the image rendering unit is of a smaller color gamut than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the smaller color gamut.

37. The method of claim 32, wherein the color image contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the image rendering unit.

38. The method of claim 37, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness, and contrast of the memory colors.

39. The method of claim 37, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

40. The method of claim 37, wherein generating the at least three-dimensional look-up table includes computing enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

41. The method of claim 37, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

42. The method of claim 37, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the image rendering unit.

43. The method of claim 42, further comprising selecting one of the at least three-dimensional look-up tables for loading into the image color rendering controller based upon the viewing environment of the image rendering unit.

44. The method of claim 43, further comprising providing a sensor for measuring the ambient light in the viewing environment.

45. The method of claim 32, further comprising converting the input image data of a first input color standard into an input color specification for inputting into the three-dimensional look-up table.

46. The method of claim 32, wherein the at least three-dimensional look-up table has at least three input colors.

47. The method of claim 32, wherein the at least three-dimensional look-up table has at least three output colors.

48. The method of claim 47, wherein the at least three output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

49. The method of claim 32, wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

50. The method of claim 32, further comprising calibrating the image rendering unit by measuring the color response of the image rendering unit, and then modifying the output image data by one of additional processing after the at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

51. The method of claim 32, wherein the image color rendering controller is contained within the image rendering unit.

52. The method of claim 32, wherein the imaging color rendering controller is external to the image rendering unit.

53. The method of claim 32, wherein an auxiliary imaging device controller is in communication with the image color rendering controller and the image rendering unit.

54. The method of claim 32, wherein the image color rendering controller is in communication with the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

55. The method of claim 32, wherein the image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

56. The method of claim 32, wherein the image rendering unit includes an algorithm for color modification, and wherein the at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the image rendering unit.

57. The method of claim 56, wherein the image rendering unit includes an algorithm for creating secondary colors from primary colors, and the at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the image rendering unit.

58. The method of claim 56, wherein the at least three-dimensional look-up table further comprises processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the image rendering unit.

59. The method of claim 32, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual adaptation of the human visual system.

60. The method of claim 32, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

61. The method of claim 32, wherein the at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the image rendering unit.

62. The method of claim 32, wherein the color image is a 3D color image.

63. A method of producing a color image by an image rendering unit in a sub-optimal viewing environment, the method comprising:

a. generating an at least three-dimensional look-up table of values of input colors and output colors, the table containing a transformation from a suboptimal viewing environment to an improved viewing environment;

b. loading the at least three-dimensional look-up table into an image color rendering controller;

c. loading input image data into the image color rendering controller;

d. processing the input image data through the at least three-dimensional look-up table using the input image data as addresses into the at least three-dimensional look-up table to produce output image data from the output color values stored at the addresses in the at least three-dimensional look-up table; and

e. outputting the output image data to the image rendering unit.

64. The method of claim 63, wherein the values in the look-up table are calculated based upon a visual model of the human visual system.

65. The method of claim 63, wherein the output image data outputted to the image rendering unit produces a chosen artistic perception in the output image.

66. The method of claim 63, wherein the image rendering unit is of an expanded color gamut greater than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the expanded color gamut.

67. The method of claim 63, wherein the image rendering unit is of a smaller color gamut than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the smaller color gamut.

68. The method of claim 63 wherein the color image contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the image rendering unit.

69. The method of claim 68, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness, and contrast of the memory colors.

70. The method of claim 68, wherein perceived colorfulness, brightness and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

71. The method of claim 68, wherein generating the at least three-dimensional look-up table includes computing enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

72. The method of claim 68, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

73. The method of claim 68, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the image rendering unit.

74. The method of claim 73, further comprising selecting one of the at least three-dimensional look-up tables for loading into the imaging device controller based upon the viewing environment of the image rendering unit.

75. The method of claim 74, further comprising providing a sensor for measuring the ambient light in the viewing environment.

76. The method of claim 63, further comprising converting the input image data of an first input color standard into an input color specification for inputting into the three-dimensional look-up table.

77. The method of claim 63, wherein the at least three-dimensional look-up table has three or more input colors.

78. The method of claim 63, wherein the at least three-dimensional look-up table has three or more output colors.

79. The method of claim 78, wherein the three or more output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

80. The method of claim 79, wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

81. The method of claim 63, further comprising calibrating the image rendering unit by measuring the color response of the image rendering unit, and then modifying the output image data by one of additional processing after the at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

82. The method of claim 63, wherein the image color rendering controller is contained within the image rendering unit.

83. The method of claim 63, wherein the image color rendering controller is external to the image rendering unit.

84. The method of claim 63, wherein an auxiliary imaging device controller is in communication with the image color rendering controller and the image rendering unit.

85. The method of claim 63, wherein the image color rendering controller is in communication with the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

86. The method of claim 63, wherein the image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

87. The method of claim 63, wherein the image rendering unit includes an algorithm for color modification, and wherein the at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the image rendering unit.

88. The method of claim 87, wherein the image rendering unit includes an algorithm for creating secondary colors from primary colors, and the at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the image rendering unit.

89. The method of claim 87, wherein the at least three-dimensional look-up table further comprises processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the image rendering unit.

90. The method of claim 63 wherein the at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the image rendering unit.

91. The method of claim 63, wherein the input image data is of a first color gamut and the image rendering unit is of a second, expanded color gamut;

and wherein the values in the lookup table expand the input image data to encompass the second color gamut of the image rendering unit.

92. The method of claim 63, wherein the input image data is of a first color gamut and the image rendering unit is of a second, reduced color gamut;

and wherein the values in the lookup table reduce the input image data to encompass the second color gamut of the image rendering unit.

93. The method of claim 63, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

94. The method of claim 63, wherein the color image is a 3D color image.

95. A method of producing a color image, the method comprising:

a. generating an at least three-dimensional look-up table of values of input colors and output colors, the three-dimensional look-up table containing the definition of secondary colors or more than three primary colors;

b. loading the at least three-dimensional look-up table into an image color rendering controller;

c. loading input image data into the image color rendering controller;

d. processing the input image data through the at least three-dimensional look-up table using the input image data as addresses into the at least three-dimensional look-up table to produce output image data from the output color values stored at the addresses in the at least three-dimensional look-up table; and

e. outputting the output image data to an image rendering unit to produce an output image that is perceived to have at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness compared to the input image.

96. The method of claim 95, wherein the values in the look-up table are calculated based upon a visual model of the human visual system.

97. The method of claim 95, wherein the at least one of enhanced brightness, enhanced contrast, and enhanced colorfulness introduced by the at least three dimensional look-up-table produce a chosen artistic perception in the output image.

98. The method of claim 95, wherein the image rendering unit is of an expanded color gamut greater than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the expanded color gamut.

99. The method of claim 95, wherein the image rendering unit is of a smaller color gamut than the color gamut of the input image data, and wherein the output colors to the image rendering unit utilize the smaller color gamut.

100. The method of claim 95 wherein the color image contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the image rendering unit.

101. The method of claim 100, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness and contrast of the memory colors.

102. The method of claim 100, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

103. The method of claim 100, wherein generating the at least three-dimensional look-up table includes computing the enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

104. The method of claim 100, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

105. The method of claim 100, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the image rendering unit.

106. The method of claim 105, further comprising selecting one of the at least three-dimensional look-up tables for loading into the image color rendering controller based upon the viewing environment of the image rendering unit.

107. The method of claim 105, further comprising providing a sensor for measuring the ambient light in the viewing environment.

108. The method of claim 95, further comprising converting the input image data of a first input color standard into an input color specification for inputting into the three-dimensional look-up table.

109. The method of claim 95, wherein the at least three-dimensional look-up table has three or more input colors.

110. The method of claim 95, wherein the at least three-dimensional look-up table has three or more output colors.

111. The method of claim 110, wherein the three or more output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

112. The method of claim 95, wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

113. The method of claim 95, further comprising calibrating the image rendering unit by measuring the color response of the image rendering unit, and then modifying the output image data by one of additional processing after the at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

114. The method of claim 95, wherein the image color rendering controller is contained within the image rendering unit.

115. The method of claim 95, wherein the image color rendering controller is external to the image rendering unit.

116. The method of claim 95, wherein an auxiliary imaging device controller is in communication with the image color rendering controller the image rendering unit.

117. The method of claim 95, wherein the image color rendering controller is in communication with the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

118. The method of claim 95, wherein the image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

119. The method of claim 95, wherein the image rendering unit includes an algorithm for color modification, and wherein the at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the image rendering unit.

120. The method of claim 119, wherein the image rendering unit includes an algorithm for creating secondary colors from primary colors, and the at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the image rendering unit.

121. The method of claim 119, wherein the at least three-dimensional look-up table further comprises processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the image rendering unit.

122. The method of claim 95, wherein the input image data is of a first color gamut and the image rendering unit is of a second, expanded color gamut;

and wherein the values in the lookup table expand the input image data to encompass the second color gamut of the image rendering unit.

123. The method of claim 95, wherein the input image data is of a first color gamut and the image rendering unit is of a second, reduced color gamut;

and wherein the values in the lookup table reduce the input image data to encompass the second color gamut of the image rendering unit.

124. The method of claim 95, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual adaptation of the human visual system.

125. The method of claim 95, wherein the at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the image rendering unit.

126. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors explicitly defined and wherein measured responses of the image rendering unit are used to define the three-dimensional look-up table.

127. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors explicitly defined and wherein mathematics provided by a manufacturer of the image rendering unit are used to define the three-dimensional look-up table.

128. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors explicitly defined and wherein there is provided an open definition of how the secondary colors or more than three primary colors are used.

129. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors implied in the design of a three in by three out look-up table for two conditions, and wherein measured responses of the image rendering unit are used to define the three-dimensional look-up table.

130. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors implied in the design of a three in by three out look-up table for two conditions, and wherein mathematics provided by a manufacturer of the image rendering unit are used to define the three-dimensional look-up table.

131. The method of claim 95, wherein the three-dimensional look-up table has the secondary colors or more than three primary colors implied in the design of a three in by three out look-up table for two conditions, and wherein there is provided an open definition of how the secondary colors or more than three primary colors are used.

132. The method of claim 95, wherein the color image is a 3D color image.

133. A method of producing a color image perceived by human observers observing the image on an image rendering unit, the method comprising using visual models to enhance the perceived colorfulness, contrast, or brightness of the image, thereby improving the perceived quality of the image.

134. The method of claim 133, further comprising preserving memory colors of the image.

135. The method of claim 133, further comprising performing empirical visual studies to determine the preference of colorfulness, contrast, or brightness on the ethnicities of the human observers, and defining the perceived quality of the image for each nationality of human observers.

136. The method of claim 135, further comprising adjusting the colorfulness, contrast, or brightness of the image based upon one of the ethnicities of the human observers.

137. The method of claim 133, further comprising generating an at least three-dimensional look-up table of values of input colors and output colors, the three-dimensional look-up table adjusting the colorfulness, contrast, or brightness of the image to match the enhanced appearance of analog film systems or digital systems designed for cinemas.

138. The method of claim 133, further comprising adjusting the colorfulness, contrast, or brightness of the image to produce a chosen artistic perception in the image.

139. The method of claim 133, wherein the visual models are based upon the human visual system.

140. The method of claim 133, wherein the image rendering unit is of an expanded color gamut greater than the color gamut of input image data used to produce the image, and wherein the output colors to the image rendering unit utilize the expanded color gamut.

141. The method of claim 133, wherein the image rendering unit is of a reduced color gamut smaller than the color gamut of input image data used to produce the image and wherein the output colors to the image rendering unit utilize the reduced color gamut.

142. The method of claim 133, wherein input image data used to produce the image contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the image rendering unit.

143. The method of claim 142, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness, and contrast of the memory colors.

144. The method of claim 142, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

145. The method of claim 142, wherein the method includes generating an at least three-dimensional look-up table including computing enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

146. The method of claim 142, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

147. The method of claim 142, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the image rendering unit.

148. The method of claim 147, further comprising selecting one of the at least three-dimensional look-up tables for loading into an image color rendering controller based upon the viewing environment of the image rendering unit.

149. The method of claim 148, further comprising providing a sensor for measuring the ambient light in the viewing environment.

150. The method of claim 133, wherein input image data used to produce the image is of a first color standard, and the method further comprises converting the input image data of the first input color standard into an input color specification for inputting into a three-dimensional look-up table.

151. The method of claim 133, further comprising generating an at least three-dimensional look-up table of values of at least three input colors and values of output colors, wherein the values in the lookup table convert the input image color data to output image color data in an image rendering unit.

152. The method of claim 133, further comprising generating an at least three-dimensional look-up table of values of input colors and values of at least three output colors, wherein the values in the lookup table convert the input image color data to output image color data in an image rendering unit.

153. The method of claim 152, wherein the at least three output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

154. The method of claim 133, further comprising generating an at least three-dimensional look-up table of values of input colors and output colors, wherein the values in the lookup table convert the input image color data to output image color data in an image rendering unit, and wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

155. The method of claim 133, further comprising calibrating the image rendering unit by measuring the color response of the image rendering unit, and then modifying output image data by one of additional processing after an at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

156. The method of claim 133, wherein an image color rendering controller is provided within the image rendering unit.

157. The method of claim 133, wherein an imaging color rendering controller is provided external to the image rendering unit.

158. The method of claim 133, wherein an auxiliary imaging device controller is in communication with an image color rendering controller and the image rendering unit.

159. The method of claim 133, wherein an image color rendering controller is in communication with the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

160. The method of claim 133, wherein an image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

161. The method of claim 133, wherein the image rendering unit includes an algorithm for color modification, and wherein an at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the image rendering unit.

162. The method of claim 161, wherein the image rendering unit includes an algorithm for creating secondary colors from primary colors, and an at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the image rendering unit.

163. The method of claim 161, wherein an at least three-dimensional look-up table is provided comprising processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the image rendering unit.

164. The method of claim 133, wherein an at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual adaptation of the human visual system.

165. The method of claim 133, wherein an at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

166. The method of claim 133, wherein an at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the image rendering unit.

167. The method of claim 133, wherein the color image is a 3D color image.

168. A method of producing a color image by an OLED display, the method comprising:

a. providing input image data and the OLED display having at least three OLEDs, each OLED being of a different primary color;

b. generating an at least three-dimensional look-up table of values of input colors and output colors, wherein the values in the lookup table convert the input image data to output image color data of the OLED display in a manner that optimally manages the quality of the image and the lifetime of the at least three OLEDs;

c. loading the at least three-dimensional look-up table into an image color rendering controller;

d. loading the input image data into the imaging color rendering controller;

e. processing the input image data through the at least three-dimensional look-up table to produce output color values stored at the addresses in the at least three-dimensional look-up table; and

f. outputting the output image color data to produce the image by the OLED display.

169. The method of claim 168, wherein the at least three OLEDs are a red OLED, a green OLED, and a blue OLED.

170. The method of claim 169, wherein managing the quality of the image and the lifetime of the OLEDs comprises adding a white primary and mapping predetermined amounts of the grey component of RGB pixel values to the white primary to reduce the usage of RGB and extend the life of the red, green, and blue OLEDS.

171. The method of claim 168, wherein the at least three OLEDs are a red OLED, a green OLED, and a blue OLED, and wherein managing the quality of the image and the lifetime of the OLEDs comprises adding other primary colors and mapping predetermined amounts of the RGB pixel values to the other primary colors to reduce the usage of RGB and extend the life of the red, green, and blue OLEDS.

172. The method of claim 168, further comprising operating the at least three OLEDs such that a first OLED does not reach end of life sooner than the other OLEDs, and the image quality of each of the OLEDs is reduced about equally over time without perceived artifacts or appearances predominantly of one of the OLED colors.

173. The method of claim 168, further comprising having a controlled degradation of image quality due to changes in the outputs of at least one of the OLEDs, wherein the change of quality at any given point in time has the least loss in perceived quality.

174. The method of claim 173, further comprising tracking the controlled degradation by accumulating and using usage data for all of the OLEDs.

175. The method of claim 174, further comprising performing the controlled degradation on the entire image over time.

176. The method of claim 174, further comprising performing the controlled degradation on at least one portion of the image over time.

177. The method of claim 173, further comprising performing the controlled degradation by substantially maintaining the brightness of the image while gradually reducing color saturation of the image over time.

178. The method of claim 173, further comprising performing the controlled degradation by substantially maintaining the brightness of the image while reducing color saturation of the image to a greater extent in image pixels of low color saturation than in image pixels of high color saturation.

179. The method of claim 173, further comprising performing the controlled degradation by substantially maintaining the brightness of the image while reducing color saturation gradually using adaptive one dimensional tables on each of the primary colors.

180. The method of claim 179, wherein where the one dimensional tables on each primary color are calculated using a quality degradation model.

181. The method of claim 180, wherein the quality degradation model averages among one dimensional tables that are pre-designed to provide the targeted image quality at specific OLED lifetimes.

182. The method of claim 181, wherein the one dimensional tables are produced by interpolation between a one dimensional table for when the OLEDs are initially operated and a one dimensional table for when the OLEDs are at the ends of their useful lifetimes.

183. The method of claim 168, wherein the values in the look-up table are calculated based upon a visual model of the human visual system.

184. The method of claim 168, wherein enhanced brightness, enhanced contrast, or enhanced colorfulness introduced by the at least three dimensional look-up-table produce a chosen artistic perception in the output image.

185. The method of claim 168, wherein the OLED display is of an expanded color gamut greater than the color gamut of the input image data, and wherein the output colors to the OLED display utilize the expanded color gamut.

186. The method of claim 168, wherein the OLED display is of a reduced color gamut smaller than the color gamut of the input image data, and wherein the output colors to the OLED display utilize the reduced color gamut.

187. The method of claim 168, wherein the input image data contains memory colors and non-memory colors, and the method comprises identifying the memory colors in the input image data to be substantially maintained, characterizing the memory colors and non-memory colors with respect to their chromaticities, and producing an image with substantially maintained memory colors using the OLED display.

188. The method of claim 187, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are changed differently than perceived colorfulness, brightness, and contrast of the memory colors.

189. The method of claim 187, wherein perceived colorfulness, brightness, and contrast of the non-memory colors are increased more than perceived colorfulness, brightness, and contrast of the memory colors.

190. The method of claim 187, wherein generating the at least three-dimensional look-up table includes computing enhanced lightness, chroma, and hue for the memory colors using a non-linear enhancement function.

191. The method of claim 187, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors.

192. The method of claim 187, further comprising generating more than one at least three-dimensional look-up table for the color transformation of the non-memory colors and the memory colors, wherein each of the at least three dimensional look-up tables is optimized for a different viewing environment of the OLED display.

193. The method of claim 192, further comprising selecting one of the at least three-dimensional look-up tables for loading into the image color rendering controller based upon the viewing environment of the OLED display.

194. The method of claim 193, further comprising providing a sensor for measuring the ambient light in the viewing environment.

195. The method of claim 168, wherein the input image data is of a first color standard, and the method further comprises converting the input image data of the first input color standard into an input color specification for inputting into the three-dimensional look-up table.

196. The method of claim 168, wherein the at least three-dimensional look-up table has at least three input colors.

197. The method of claim 168, wherein the at least three-dimensional look-up table has at least three output colors.

198. The method of claim 197, wherein the at least three output colors are any combination of primary colors as independent light sources or secondary colors defined as combinations of primary colors.

199. The method of claim 168, wherein the at least three dimensional look-up table is losslessly compressed to reduce storage use in a memory of the image color rendering controller.

200. The method of claim 168, further comprising calibrating the OLED display by measuring the color response of the OLED display, and then modifying the output image data by one of additional processing after the at least three-dimensional look-up-table or including the required calibration in the at least three-dimensional look-up-table.

201. The method of claim 168, wherein the image color rendering controller is contained within the OLED display.

202. The method of claim 168, wherein the imaging color rendering controller is external to the OLED display.

203. The method of claim 168, wherein an auxiliary imaging device controller is in communication with the image color rendering controller and the OLED display.

204. The method of claim 168, wherein the image color rendering controller is in communication with at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

205. The method of claim 168, wherein the OLED display includes an algorithm for color modification, wherein the at least three-dimensional look-up table further comprises processing the input image data to compensate for the color modification performed by the OLED display.

206. The method of claim 205, wherein the OLED display includes an algorithm for creating secondary colors from primary colors, and the at least three-dimensional look-up table further comprises compensating for the color modification performed by the addition of the secondary colors in the OLED display.

207. The method of claim 205, wherein the at least three-dimensional look-up table further comprises processing the input image data to increase perceived color, brightness, and contrast to compensate for the reduction in perceived color, brightness, and contrast caused by the algorithm for color modification in the OLED display.

208. The method of claim 168, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual adaptation of the human visual system.

209. The method of claim 168, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the OLED display.

210. The method of claim 168, wherein the at least three-dimensional look-up table further comprises processing the input image data to include chromatic adaptation of the human visual system to a specified white point that increases the brightness of the OLED display.

211. The method of claim 168, wherein the color image is a 3D color image.

212. A device for producing a color image, the device comprising a computer comprising a central processing unit and a memory in communication through a system bus, wherein the memory contains an at least three dimensional lookup table of values of input colors and output colors, wherein the values in the lookup table convert input image color data to output image color data in an image rendering unit that is connectable to the device.

213. The device of claim 212, wherein the values in the lookup table are based upon a visual model of the human visual system.

214. The device of claim 212, further comprising the image rendering unit in communication with the computer, the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

215. The device of claim 214, further comprising an auxiliary imaging device including at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, and a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

216. The device of claim 215, further comprising one of a liquid crystal display, a plasma display, and a DMD projector in communication with the auxiliary device.

217. The device of claim 212, further comprising a communication link to a source of input image data.

218. The device of claim 212, wherein the algorithm to produce the at least three dimensional lookup table is contained in the memory.

219. The device of claim 212, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

220. The device of claim 212, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an optimal viewing environment including the visual and chromatic adaptation of the human visual system.

221. The device of claim 212, wherein the memory contains a set of at least three dimensional lookup tables, each one of the set optimized for a different viewing environment of the image rendering unit.

222. The device of claim 221, further comprising a sensor for measuring the ambient light in the viewing environment.

223. The device of claim 212, wherein the color image is a 3D color image.

224. A device for producing a color image, the device comprising a computer comprising a central processing unit and a memory in communication through a system bus, wherein the memory contains an at least three dimensional lookup table of values of input colors and output colors, wherein the values in the lookup table convert a first color gamut of an input image data set to encompass a second different color gamut of an image rendering unit that is connectable to the device.

225. The device of claim 224, wherein the values in the lookup table are based upon a visual model of the human visual system.

226. The device of claim 224, wherein the color gamut of the image rendering unit is larger than the first color gamut.

227. The device of claim 224, wherein the color gamut of the image rendering unit is smaller than the first color gamut.

228. The device of claim 224, further comprising the image rendering unit in communication with the computer, the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

229. The device of claim 228, further comprising an auxiliary imaging device including at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, and a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

230. The device of claim 229, further comprising one of a liquid crystal display, a plasma display, and a DMD projector in communication with the auxiliary device.

231. The device of claim 224, further comprising a communication link to a source of input image data.

232. The device of claim 224, wherein the algorithm to produce the at least three dimensional lookup table is contained in the memory.

233. The device of claim 224, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

234. The device of claim 224, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual and chromatic adaptation of the human visual system.

235. The device of claim 224, wherein the memory contains a set of at least three dimensional lookup tables, each one of the set optimized for a different viewing environment of the image rendering unit.

236. The device of claim 235, further comprising a sensor for measuring the ambient light in the viewing environment.

237. The device of claim 224, wherein the color image is a 3D color image.

238. A device for producing a color image, the device comprising a computer comprising a central processing unit and a memory in communication through a system bus, wherein the memory contains an at least three dimensional lookup table containing a transformation from a suboptimal viewing environment to an improved viewing environment including the visual and chromatic adaptation of the human visual system.

239. The device of claim 238, wherein the values in the lookup table are based upon a visual model of the human visual system.

240. The device of claim 238, further comprising an image rendering unit in communication with the computer, the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

241. The device of claim 240, further comprising an auxiliary imaging device including at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, and a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

242. The device of claim 241, further comprising one of a liquid crystal display, a plasma display, and a DMD projector in communication with the auxiliary device.

243. The device of claim 238, further comprising a communication link to a source of input image data.

244. The device of claim 238, wherein the algorithm to produce the at least three dimensional lookup table is contained in the memory.

245. The device of claim 238, wherein the at least three-dimensional look-up table includes the definition of secondary colors, and contains enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of the secondary colors by the image rendering unit.

246. The device of claim 238, wherein the memory contains a set of at least three dimensional lookup tables, each one of the set optimized for a different viewing environment of the image rendering unit.

247. The device of claim 246, further comprising a sensor for measuring the ambient light in the viewing environment.

248. The device of claim 238, wherein the color image is a 3D color image.

249. A device for producing a color image, the device comprising a computer comprising a central processing unit and a memory in communication through a system bus, wherein the memory contains an at least three dimensional lookup table containing the definition of secondary colors, and enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to addition of secondary colors by an image rendering unit that is connectable to the device.

250. The device of claim 249, wherein the values in the lookup table are based upon a visual model of the human visual system.

251. The device of claim 249, further comprising the image rendering unit in communication with the computer, the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

252. The device of claim 251, further comprising an auxiliary imaging device including at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, and a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

253. The device of claim 252, further comprising one of a liquid crystal display, a plasma display, and a DMD projector in communication with the auxiliary device.

254. The device of claim 249, further comprising a communication link to a source of input image data.

255. The device of claim 249, wherein the algorithm to produce the at least three dimensional lookup table is contained in the memory.

256. The device of claim 249, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual and chromatic adaptation of the human visual system.

257. The device of claim 249, wherein the memory contains a set of at least three dimensional lookup tables, each one of the set optimized for a different viewing environment of the image rendering unit.

258. The device of claim 257, further comprising a sensor for measuring the ambient light in the viewing environment.

259. The device of claim 249, wherein the color image is a 3D color image.

260. A device for producing a color image perceived by human observers observing the image on an image rendering unit, the device comprising a computer comprising a central processing unit and a memory in communication through a system bus, wherein the memory contains a visual model to enhance the perceived colorfulness, contrast, or brightness of the image.

261. The device of claim 260, further comprising the image rendering unit in communication with the computer, the image rendering unit selected from a projector, a television, a computer display, and a game display, the image rendering unit using DMD, plasma, liquid crystal, liquid crystal-on-silicon modulation, or direct modulation of the light source, and using LED, OLED, laser, or lamp light sources.

262. The device of claim 261, further comprising an auxiliary imaging device including at least one of a cable TV set-top box, a video game console, a personal computer, a computer graphics card, a DVD player, and a Blu-ray player, a broadcast station, an antenna, a satellite, a broadcast receiver and processor, and a digital cinema.

263. The device of claim 262, further comprising one of a liquid crystal display, a plasma display, and a DMD projector in communication with the auxiliary device.

264. The device of claim 260, further comprising a communication link to a source of input image data.

265. The device of claim 260, further comprising an at least three dimensional lookup table stored in the memory and containing values of input colors and output colors.

266. The device of claim 265, wherein the algorithm to produce the at least three dimensional lookup table is contained in the memory.

267. The device of claim 265, wherein the at least three-dimensional look-up table contains a transformation from a suboptimal viewing environment to an improved viewing environment including the visual and chromatic adaptation of the human visual system.

268. The device of claim 265, wherein the memory contains a set of at least three dimensional lookup tables, each one of the set optimized for a different viewing environment of the image rendering unit.

269. The device of claim 268, further comprising a sensor for measuring the ambient light in the viewing environment.

270. The device of claim 265, further comprising the image rendering unit in communication with the computer, wherein the values in the lookup table convert a first color gamut of an input image data set to encompass a second expanded color gamut of the image rendering unit.

271. The device of claim 265, further comprising the image rendering unit in communication with the computer, wherein the values in the lookup table convert a first color gamut of an input image data set to encompass a second reduced color gamut of the image rendering unit.

272. The device of claim 265, further comprising the image rendering unit in communication with the computer, wherein the at least three dimensional lookup table contains the definition of secondary colors, and enhanced lightness, chroma, and hues to increase perceived colorfulness, contrast, or brightness to compensate for the loss in perceived colorfulness, contrast, or brightness due to the addition of secondary colors by the image rendering unit.

273. The device of claim 260, wherein the color image is a 3D color image.