Method and/or apparatus to improve the visual perception of an image displayed on a screen
A screen and visual technology, applied in image communication, television, static indicators, etc., can solve the problems of not considering the obvious sensitivity of human eyes, not considering the development of scenery content, etc.
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[0022] figure 1 A schematic diagram showing a structure for implementing the method and / or device according to the invention, wherein an image frame H is received by an analysis and adjustment block 1, which analyzes a plurality of image frames H and outputs an image suitable for adjusting the liquid crystal ( The signal P of the power of the backlight (not shown) of the LCD) panel E,i+1 , and a signal C suitable for adjusting the contrast of the image displayed on the screen (also not shown) to which the panel is fixed E,i+1 .
[0023] will signal P E,i+1 and C E,i+1 They are respectively sent to the power adjustment circuit 2 and the image contrast control circuit 3 of the rear lighting lamp.
[0024] figure 2 Analysis and adjustment block 1 is specified, which includes: block 4 for calculating the spatially averaged brightness of frame H; N A sliding register 5 composed of units 5a...5n, where N is an integer; used to calculate the average brightness y of the current...
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