📄 mask1odd.c
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float mask1odd[121] = { 0.006805, 0.005978, -0.021124, -0.050866, -0.017248, 0.057284, 0.065495, 0.006553, -0.026450, -0.014502, 0.000000, 0.005978, -0.025653, -0.074925, -0.030720, 0.124424, 0.172401, 0.020779, -0.102644, -0.068253, 0.000000, 0.014502,-0.021124, -0.074925, -0.037236, 0.183371, 0.308116, 0.044836, -0.270353, -0.218055, 0.000000, 0.068253, 0.026450,-0.050866, -0.030720, 0.183371, 0.373911, 0.065857, -0.483359, -0.472961, 0.000000, 0.218055, 0.102644, -0.006553,-0.017248, 0.124424, 0.308116, 0.065857, -0.586651, -0.696537, 0.000000, 0.472961, 0.270353, -0.020779, -0.065495, 0.057284, 0.172401, 0.044836, -0.483359, -0.696537, -0.000000, 0.696537, 0.483359, -0.044836, -0.172401, -0.057284, 0.065495, 0.020779, -0.270353, -0.472961, -0.000000, 0.696537, 0.586651, -0.065857, -0.308116, -0.124424, 0.017248, 0.006553, -0.102644, -0.218055, -0.000000, 0.472961, 0.483359, -0.065857, -0.373911, -0.183371, 0.030720, 0.050866,-0.026450, -0.068253, -0.000000, 0.218055, 0.270353, -0.044836, -0.308116, -0.183371, 0.037236, 0.074925, 0.021124,-0.014502, -0.000000, 0.068253, 0.102644, -0.020779, -0.172401, -0.124424, 0.030720, 0.074925, 0.025653, -0.005978,-0.000000, 0.014502, 0.026450, -0.006553, -0.065495, -0.057284, 0.017248, 0.050866, 0.021124, -0.005978, -0.006805};float apply_mask1odd( float* image, int imagew, int imageh, int x, int y ) { float returnvalue; int mx1 = x-( 11/2) >= 0 ? 0 : ( 11/2)-x; int mx2 = x+( 11/2) < imagew ? 11-1 : 11-1 - (x+( 11/2) - (imagew-1)); int my1 = y-( 11/2) >= 0 ? 0 : ( 11/2)-y; int my2 = y+( 11/2) < imageh ? 11-1 : 11-1 - (y+( 11/2) - (imageh-1)); int imagexoffset = x - 11/2; int imageyoffset = y - 11/2; int h , k; returnvalue = 0; for(k = my1; k <= my2; k++){ for(h = mx1; h <= mx2; h++){ returnvalue += mask1odd[h+k* 11] * image[imagexoffset+h+imagew*(imageyoffset+k)]; } } return returnvalue; }
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