A Video Noise Intensity Detection Method
A noise intensity and intensity detection technology, which is applied in the direction of TV, color TV, color TV parts, etc., can solve the problem of not making full use of video information, achieve timely and effective detection, simple calculation, and strong detection stability Effect
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[0042] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0043] The flow chart of the method for video noise intensity detection in the present invention is as figure 1 Shown, the main steps of the method of the present invention are as follows:
[0044] Step 1, this is the initial state, get a frame of image F from the video capture device 0 , for F 0 Do denoising processing, and the result is recorded as F' 0 , the noise detection count Noise_CNT is initialized to 0;
[0045] Step 2, get a frame of image F from the video capture device k , the k value is greater than 0;
[0046] Step 3, the image is divided into blocks, assuming that the image height is H, the width is W, the height of each noise intensity detection macroblock is h, and the width is w, then the image is divided into M*N noise intensity detection macroblocks, Wherein M=W / w, N=H / h;
[0047] Step 4, detect the macroblock for each noi...
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