INFORMATION IMAGE DISPLAY APPARATUS AND METHOD

• US 20180130444A1
• Filed: 11/07/2017
• Published: 05/10/2018
• Est. Priority Date: 11/07/2016
• Status: Abandoned Application

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: MYONG, Seung Il, SHIN, Dong Beom, LEE, Kang Bok, BAE, Myung Nam
• Application Number:
  US15/805,247
• Publication Number:
  US 20180130444A1
• Time in Patent Office: Days
• CPC Class Codes: G09G 2320/02 Improving the quality of display appearance
• CPC Class Codes: G09G 2320/0626 for control of overall brightness
• CPC Class Codes: G09G 2320/0666 for control of colour parameters, e.g. colour temperature
• CPC Class Codes: G09G 2340/06 Colour space transformation
• CPC Class Codes: G09G 2340/12 Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 3/002 to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 5/026 Control of mixing and/or overlay of colours in general G09G5/022 and G09G5/024 take precedence
• CPC Class Codes: G09G 5/14 Display of multiple viewports

Abstract

An information image display apparatus includes an illuminance sensor sensing illuminance of incident light; a processor for determining a transmittance of a polarizer according to the illuminance sensed by the illuminance sensor, outputting a control signal according to the sensed illuminance, analyzing an entire or partial area of a foreground image of external environment to determine a dominant color of the entire or partial area, and displaying an information image using a color contrasted with dominant color; and a polarizer for selectively transmitting the incident light by adjusting a degree of polarization according to the control signal input from the processor.

Claims

1. An information image display apparatus comprising:

an illuminance sensor sensing illuminance of incident light;

a processor for determining a transmittance of a polarizer according to the illuminance sensed by the illuminance sensor, outputting a control signal according to the sensed illuminance, analyzing an entire or partial area of a foreground image of external environment to determine a dominant color of the entire or partial area, and displaying an information image using a color contrasted with dominant color; and

a polarizer for selectively transmitting the incident light by adjusting a degree of polarization according to the control signal input from the processor.

2. The information image display apparatus according to claim 1, wherein the processor outputs the control signal for adjusting the degree of polarization to be lower as the sensed illuminance is higher.

3. The information image display apparatus according to claim 1, wherein the color contrasted with the dominant color is set as a complementary color of the dominant color.

4. The information image display apparatus according to claim 1, wherein the partial area is an area where the information image is displayed in the entire area of the foreground image.

5. The information image display apparatus according to claim 1, wherein the processor determines the dominant color of the entire or partial area by analyzing a Red-Green-Blue (RGB) histogram of the foreground image.

6. The information image display apparatus according to claim 1, further comprising an image output unit for outputting the information image using the color contrasted with the dominant color.

7. The information image display apparatus according to claim 6, further comprising an optical imaging unit for projecting an image output from the image output unit to a virtual screen, which includes at least one of a lens, a minor, a prism, and a polarization splitter.

8. An information image display method comprising:

acquiring illuminance information of external environment by sensing illuminance of incident light;

determining a transmittance of a polarizer according to the illuminance information;

selectively transmitting the incident light by adjusting a degree of polarization according to the determined transmittance;

analyzing an entire or partial area of a foreground image of the external environment to determine a dominant color of the entire or partial area; and

outputting an information image by using a color contrasted with the dominant color.

9. The information image display method according to claim 8, wherein, in the determining a transmittance, the transmittance is determined to be lower as the sensed illuminance is higher.

10. The information image display method according to claim 8, wherein the color contrasted with the dominant color is set as a complementary color of the dominant color.

11. The information image display method according to claim 8, wherein the partial area is an area where the information image is displayed in the entire area of the foreground image.

12. The information image display method according to claim 8, wherein the dominant color of the entire or partial area is determined by analyzing a Red-Green-Blue (RGB) histogram of the foreground image.

13. The information image display method according to claim 8, further comprising projecting the information image to a virtual screen by using an optical imaging device which includes at least one of a lens, a mirror, a prism, and a polarization splitter.

14. An information image display control apparatus comprising at least one processor and a memory storing at least one instruction executed by the at least one processor, wherein the at least one instruction is configured to:

acquire illuminance information of external environment by sensing illuminance of incident light;

determine a transmittance of a polarizer according to the illuminance information;

selectively transmit the incident light by adjusting a degree of polarization according to the determined transmittance;

determine a dominant color of an entire or partial area of a foreground image of the external environment by analyzing the entire or partial area; and

output an information image by using a color contrasted with the dominant color.

15. The information image display control apparatus according to claim 14, wherein the at least one instruction is further configured to determine the transmittance to be lower as the sensed illuminance is higher.

16. The information image display control apparatus according to claim 14, wherein the at least one instruction is further configured to determine the dominant color of the entire or partial area by analyzing a Red-Green-Blue (RGB) histogram of the foreground image.

17. The information image display control apparatus according to claim 14, wherein the color contrasted with the dominant color is set as a complementary color of the dominant color.

18. The information image display control apparatus according to claim 14, wherein the partial area is an area where the information image is displayed in the entire area of the foreground image.

19. The information image display control apparatus according to claim 14, wherein the at least one instruction is further configured to project the information image to a virtual screen by using an optical imaging device which includes at least one of a lens, a minor, a prism, and a polarization splitter.