generic-library/opencv
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yao 2013-03-26 14:23:26 +08:00
parent f36db3a037
commit d6f1ad8c14
1 changed files with 1 additions and 1 deletions
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modules/ocl/src/opencl/stereobm.cl
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@ -323,7 +323,7 @@ float sobel(__global unsigned char *input, int x, int y, int rows, int cols)
float conv = 0;
int y1 = y==0? 0 : y-1;
int x1 = x==0? 0 : x-1;
if(x < cols && y < rows)
if(x < cols && y < rows && x > 0 && y > 0)
{
conv = (float)input[(y1) * cols + (x1)] * (-1) + (float)input[(y1) * cols + (x+1)] * (1) +
(float)input[(y) * cols + (x1)] * (-2) + (float)input[(y) * cols + (x+1)] * (2) +