Granted Patent B2

US 12,462,723 · App. 19/028,689 · Granted Nov 4, 2025

Inventors: Corey P. Carbonara (Waco, TX); Michael F. Korpi (Hewitt, TX); Gary B. Mandle (Los Altos, CA); Mitchell J. Bogdanowicz (Somis, CA); James M. DeFilippis (Pacific Palisades, CA)

Assignee: Baylor University

G09G3/2003G02B5/201G02F1/133514G09G3/3413G09G5/02G09G2300/0452G09G2320/0242G09G2340/06

Abstract

Claims (42)

1 . A system for displaying a primary color system, comprising:

a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in an International Commission on Illumination (CIE) Yxy color space, wherein the set of values in the CIE Yxy color space includes a luminance (Y) and two colorimetric coordinates (x and y);

an image data converter, wherein the image data converter includes a digital interface, and wherein the digital interface is operable to encode and decode the set of values in the CIE Yxy color space; and

at least one viewing device;

wherein the at least one viewing device and the image data converter are in communication;

wherein processed Yxy data is transported between the encode and the decode;

wherein the image data converter is operable to convert the set of image data for display on the at least one viewing device; and

wherein the system for displaying the primary color system modifies a performance of the at least one viewing device, wherein the at least one viewing device is operable to utilize a maximum color range of the at least one viewing device.

2 . The system of claim 1 , wherein the at least one viewing device is operable to display the primary color system based on the set of image data, wherein the primary color system displayed on the at least one viewing device is based on the set of image data.

3 . The system of claim 1 , wherein the image data converter is operable to convert the set of primary color signals to the set of values in the CIE Yxy color space.

4 . The system of claim 1 , wherein the image data converter is operable to convert the set of values in the CIE Yxy color space to a plurality of color gamuts.

5 . The system of claim 1 , wherein the image data converter is operable to fully sample the processed Yxy data related to the luminance and subsample the processed Yxy data related to the two colorimetric coordinates.

6 . The system of claim 1 , wherein the modification of the performance expands a displayed viewable color range to maximum hardware capabilities.

7 . The system of claim 1 , wherein the encode includes scaling of the two colorimetric coordinates (x and y), thereby creating a first scaled colorimetric coordinate and a second scaled colorimetric coordinate.

8 . The system of claim 7 , wherein the scaling includes dividing a first colorimetric coordinate (x) by a first divisor to create the first scaled colorimetric coordinate and dividing a second colorimetric coordinate (y) by a second divisor to create the second scaled colorimetric coordinate, wherein the first divisor is between about 0.66 and about 0.82, and wherein the second divisor is between about 0.74 and about 0.92.

9 . The system of claim 7 , wherein the decode includes rescaling of data related to the first scaled colorimetric coordinate and data related to the second scaled colorimetric coordinate.

10 . The system of claim 9 , wherein the rescaling includes multiplying the data related to the first scaled colorimetric coordinate by a first multiplier and multiplying the data related to the second colorimetric coordinate by a second multiplier, wherein the first multiplier is between about 1.21 and about 1.52, and wherein the second multiplier is between about 1.08 and about 1.36.

11 . The system of claim 1 , wherein the encode includes converting the set of primary color signals to XYZ data and then converting the XYZ data to create the set of values in the CIE Yxy color space.

12 . The system of claim 1 , wherein the decode includes converting the processed Yxy data to XYZ data and then converting the XYZ data to a format operable to display on the at least one viewing device.

13 . The system of claim 1 , further including at least one non-linear function, wherein the at least one non-linear function includes a data range reduction function with a value between about 0.25 and about 0.9 and/or an inverse data range reduction function with a value between about 1.1 and about 4.

14 . A system for displaying a primary color system, comprising:

a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in an International Commission on Illumination (CIE) Yxy color space, wherein the set of values in the CIE Yxy color space includes a luminance (Y) and two colorimetric coordinates (x and y);

an image data converter, wherein the image data converter includes a digital interface, and wherein the digital interface is operable to encode and decode the set of values in the CIE Yxy color space;

at least one non-linear function for processing the set of values in the CIE Yxy color space, wherein the at least one non-linear function is applied to data related to the luminance (Y) and data related to the two colorimetric coordinates (x and y); and

at least one display device;

wherein the at least one display device and the image data converter are in communication;

wherein the encode and the decode include transportation of processed Yxy data;

wherein the image data converter is operable to convert the set of image data for display on the at least one display device; and

wherein the system for displaying the primary color system maximizes a performance of the at least one display device to a native color gamut of the at least one display device, wherein the at least one display device is operable to utilize the native color gamut of the at least one display device.

15 . The system of claim 14 , wherein the at least one non-linear function includes a data range reduction function with a value between about 0.25 and about 0.9 and/or an inverse data range reduction function with a value between about 1.1 and about 4.

16 . The system of claim 14 , wherein the image data converter applies one or more of the at least one non-linear function to encode and/or decode the set of values in the CIE Yxy color space.

17 . The system of claim 14 , wherein the image data converter includes a look-up table.

18 . A method for displaying a primary color system, comprising:

providing a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in an International Commission on Illumination (CIE) Yxy color space, wherein the set of values in the CIE Yxy color space includes a luminance (Y) and two colorimetric coordinates (x and y);

encoding the set of image data in the CIE Yxy color space using a digital interface of an image data converter, wherein the image data converter is in communication with at least one viewing device;

processing the set of image data in the CIE Yxy color space by scaling the two colorimetric coordinates (x and y) and applying at least one non-linear function to the luminance (Y) and the scaled two colorimetric coordinates;

decoding the set of image data in the CIE Yxy color space using the digital interface of the image data converter; and

the image data converter converting the set of image data for display on the at least one viewing device;

wherein the encoding and the decoding include transportation of processed Yxy data; and

wherein a performance of the at least one viewing device is modified, wherein the at least one viewing device is operable to utilize a maximum color range of the at least one viewing device.

19 . The method of claim 18 , wherein the scaling of the two colorimetric coordinates includes dividing a first colorimetric coordinate (x) by a first divisor to create a first scaled colorimetric coordinate and dividing a second colorimetric coordinate (y) by a second divisor to create a second scaled colorimetric coordinate, wherein the first divisor is between about 0.66 and about 0.82, and wherein the second divisor is between about 0.74 and about 0.92.

20 . The method of claim 18 , wherein the decoding of the set of image data includes rescaling data related to the two scaled colorimetric coordinates and applying an inverse of the at least one non-linear function to data related to the luminance (Y) and the data related to the two colorimetric coordinates (x and y).

Assignments (1)

Continuity (20)

References Cited (369)