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Bilateral filtering
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Bilateral filter is a kind of edge preserving filter. The reason why this denoising effect can be achieved is that the filter is composed of two functions. One function is that the filter coefficients are determined by the geometric space distance. The other is determined by the pixel difference. Two filters that can be compared with them: Gaussian low pass filter（ http://en.wikipedia.org/wiki/Gaussian_ Filter) and α - truncated mean filter (after removing the minimum and maximum percentage of α, the mean value of the remaining pixels is used as the filter).
codeforge693 0 0
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motion estimation
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Motion estimation coding using block matching algorithm to estimate the motion of objects, separating the foreground and background of the video, generate a new n-frame and n+1 frame frames, frames inserted and modified n-frame and n+1 frame, have a relatively smooth video.
codeforge693 1 0
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