Image signal processing method and system, and display
First Claim
1. An image signal processing method comprising steps of:
- receiving a video signal;
acquiring environmental parameter information of a display environment;
adjusting, based on the environmental parameter information, a chrominance of the video signal such that light of at least one spectral color generated by the video signal is adjusted accordingly; and
outputting the adjusted video signal;
wherein the step of adjusting, based on the environmental parameter information, the chrominance of the video signal comprises steps of;
converting the video signal with a color matrix;
detecting an amplitude of a portion of the video signal corresponding to the spectral color to obtain a corresponding amplitude detection value;
obtaining an amplitude adjustment value of the portion of the video signal corresponding to the spectral color according to the environmental parameter information;
compensating the amplitude adjustment value according to an algebraic sum of the amplitude detection value and the amplitude adjustment value; and
adjusting the amplitude of the portion of the video signal corresponding to the spectral color according to the compensated amplitude adjustment value; and
wherein the step of compensating the amplitude adjustment value comprises a step of;
compensating the amplitude adjustment value such that no color shift occurs or the color shift is within a predetermined range if it is judged that the color shift occurs or exceeds the predetermined range based on the algebraic sum of the amplitude detection value and the amplitude adjustment value.
1 Assignment
0 Petitions
Accused Products
Abstract
An image signal processing method, an image signal processing system, and a display are disclosed in the embodiments of the present invention. The method comprises: receiving a video signal; acquiring environmental parameter information of a display environment; adjusting, based on the environmental parameter information, a luminance and/or a chrominance of the video signal such that light of at least one spectral color generated by the video signal is adjusted accordingly; and outputting the adjusted video signal. With the image signal processing method according to the embodiments of the present invention, light of a particular spectral color can be adjusted based on a viewing environment so as to alleviate visual fatigue.
-
Citations
13 Claims
-
1. An image signal processing method comprising steps of:
-
receiving a video signal; acquiring environmental parameter information of a display environment; adjusting, based on the environmental parameter information, a chrominance of the video signal such that light of at least one spectral color generated by the video signal is adjusted accordingly; and outputting the adjusted video signal; wherein the step of adjusting, based on the environmental parameter information, the chrominance of the video signal comprises steps of; converting the video signal with a color matrix; detecting an amplitude of a portion of the video signal corresponding to the spectral color to obtain a corresponding amplitude detection value; obtaining an amplitude adjustment value of the portion of the video signal corresponding to the spectral color according to the environmental parameter information; compensating the amplitude adjustment value according to an algebraic sum of the amplitude detection value and the amplitude adjustment value; and adjusting the amplitude of the portion of the video signal corresponding to the spectral color according to the compensated amplitude adjustment value; and wherein the step of compensating the amplitude adjustment value comprises a step of; compensating the amplitude adjustment value such that no color shift occurs or the color shift is within a predetermined range if it is judged that the color shift occurs or exceeds the predetermined range based on the algebraic sum of the amplitude detection value and the amplitude adjustment value. - View Dependent Claims (2, 3, 4, 10, 11)
-
-
5. An image signal processing system comprising:
-
a receiving unit for receiving a video signal; a sensor for acquiring environmental parameter information of a display environment; a processing circuit comprising a chrominance signal processing circuit configured to adjust, based on the environmental parameter information, a chrominance of the video signal, such that light of at least one spectral color generated by the video signal is adjusted accordingly; and an output unit for outputting the adjusted video signal; wherein the chrominance signal processing circuit comprises; a color matrix converting module for converting the video signal with a color matrix; a characteristic detecting module for detecting an amplitude of a portion of the video signal corresponding to the spectral color to obtain a corresponding amplitude detection value; a processing module for obtaining an amplitude adjustment value of the portion of the video signal corresponding to the spectral color according to the environmental parameter information; a hue gain adjusting module for compensating the amplitude adjustment value according to an algebraic sum of the amplitude detection value and the amplitude adjustment value; and a drive switch adjusting module for adjusting the amplitude of the portion of the video signal corresponding to the spectral color according to the compensated amplitude adjustment value; and wherein the hue gain adjusting module is further configured to compensate the amplitude adjustment value such that no color shift occurs or the color shift is within a predetermined range if it is judged that the color shift occurs or exceeds the predetermined range based on the algebraic sum of the amplitude detection value and the amplitude adjustment value. - View Dependent Claims (6, 7, 8, 9, 12, 13)
-
Specification