Method and device for adjusting television image
An image adjustment and TV technology, applied in the direction of TV, color TV, color TV components, etc., can solve the problems of blurred edges and poor noise filtering effect, and achieve the effect of filtering noise.
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example 2
[0053] Example 2.3×3 image screen; brightness average value=64, brightness variation value=100
[0054] →m1=e -K(100 / 4096) , m2=e -K(200 / 4096)
example 3
[0055] Example 3.3×3 image screen; brightness average value=128, brightness variation value=10
[0056] →m1=e -K(10 / 16384) , m2=e -K(20 / 16384)
[0057] Example 4.3×3 image screen; brightness average value = 128, brightness variation value = 100
[0058] →m1=e -K(100 / 16384) , m2=e -K(200 / 16384)
[0059] Wherein, the brightness average value 64 of the examples 1 and 2 is smaller than the brightness average value 128 of the examples 3 and 4, so that the weight value distribution of the examples 1 and 2 is more concentrated than that of the examples 3 and 4. That is, when the average brightness value is low, when the present invention calculates the brightness update value of the target pixel of the image frame, the weight ratio of the pixels closer to the target pixel will be higher. However, it is only a better implementation example to determine the weight value by using the brightness variation value and the brightness average value together; it i...
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