Method and apparatus for performing image enhancement in an image processing pipeline
First Claim
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1. An apparatus for performing image enhancement, the apparatus comprising:
- an image enhancement component, the image enhancement component receiving a number, M, of bits per color of image data, converting the M bits per color of image data into a number, N, bits per color of image data, and outputting the N bits per color of image data, wherein N is larger than M.
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Abstract
An image enhancement component of an image processing pipeline preferably uses a single lookup table (LUT) to convert M-bit Red (R), Green (G) and Blue (B) values into respective N-bit R, G and B values, where N is greater than M. Preferably, the N-bit values are determined based on the inverse of an algorithm performed upstream of the image enhancement component by an image correction component. The N-bit R, G and B values provide the image with an improved signal-to-noise ratio (SNR).
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Citations
59 Claims
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1. An apparatus for performing image enhancement, the apparatus comprising:
an image enhancement component, the image enhancement component receiving a number, M, of bits per color of image data, converting the M bits per color of image data into a number, N, bits per color of image data, and outputting the N bits per color of image data, wherein N is larger than M. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for performing image enhancement comprising:
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receiving a number, M, of bits per color of image data; converting each of the M bits of image data into a respective N-bit value, wherein N is greater than M; and outputting the N-bit values. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An image enhancement system comprising:
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an input device adapted to receive color data for a plurality of colors, the received color data including a first number of bits per color; a bit depth enhancement module adapted to convert the received color data to a larger second number of bits per color to create enhanced color data; and an output device adapted to output the enhanced color data. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. An image enhancement system comprising:
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an input means for receiving color data for a plurality of colors, the received color data including a first number of bits per color; a bit depth enhancement means for converting the received color data to a larger second number of bits per color to create enhanced color data; and an output means for outputting the enhanced color data. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A method of enhancing an image, the method comprising:
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receiving a first color value having a first number of bits; and converting the first color value to a second color value having a second number of bits, the second number of bits being greater than the first number of bits. - View Dependent Claims (54, 55, 56, 57, 58, 59)
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Specification