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Searched refs:SSIM_KERNEL (Results 1 – 1 of 1) sorted by relevance

/AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/extras/
A Dget_disto.c97 #define SSIM_KERNEL 3 // total size of the kernel: 2 * SSIM_KERNEL + 1 macro
107 static const uint32_t kWeight[2 * SSIM_KERNEL + 1] = { 1, 2, 3, 4, 3, 2, 1 };
138 const int ymin = (yo - SSIM_KERNEL < 0) ? 0 : yo - SSIM_KERNEL; in SSIMGetClipped()
139 const int ymax = (yo + SSIM_KERNEL > H - 1) ? H - 1 : yo + SSIM_KERNEL; in SSIMGetClipped()
140 const int xmin = (xo - SSIM_KERNEL < 0) ? 0 : xo - SSIM_KERNEL; in SSIMGetClipped()
141 const int xmax = (xo + SSIM_KERNEL > W - 1) ? W - 1 : xo + SSIM_KERNEL; in SSIMGetClipped()
147 const uint32_t w = kWeight[SSIM_KERNEL + x - xo] in SSIMGetClipped()
148 * kWeight[SSIM_KERNEL + y - yo]; in SSIMGetClipped()

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