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 problems such as not considering the obvious sensitivity of human eyes, not considering the development of scenery content, etc.
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[0022] Figure 1 shows a schematic diagram of a structure implementing a 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 adjustment The signal P of the power of the rear light (not shown) of the liquid crystal (LCD) panel E,i+1 and a signal C adapted to adjust 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 B,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 details the analysis and adjustment block 1, which includes: a block 4 that calculates 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 frame i The modu...
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