110     uchar*              edges = (uchar*)cvAlloc(sizeof(uchar)*imgW*imgH);  in icvFindStereoCorrespondenceByBirchfieldDP()  local
160         edges[y*imgW] = edges[y*imgW+1] = edges[y*imgW+2] = 2;  in icvFindStereoCorrespondenceByBirchfieldDP()
161         edges[y*imgW+imgW-1] = edges[y*imgW+imgW-2] = edges[y*imgW+imgW-3] = 1;  in icvFindStereoCorrespondenceByBirchfieldDP()
164             edges[y*imgW+j] = 0;  in icvFindStereoCorrespondenceByBirchfieldDP()
169                 edges[y*imgW+j] |= 1;  in icvFindStereoCorrespondenceByBirchfieldDP()
174                 edges[y*imgW+j] |= 2;  in icvFindStereoCorrespondenceByBirchfieldDP()
196             uchar* _edges = edges + y*imgW + x;  in icvFindStereoCorrespondenceByBirchfieldDP()
329                 edges[y*imgW+x] |= 4;  in icvFindStereoCorrespondenceByBirchfieldDP()
330                 edges[(y+1)*imgW+x] |= 4;  in icvFindStereoCorrespondenceByBirchfieldDP()
331                 edges[(y-1)*imgW+x] |= 4;  in icvFindStereoCorrespondenceByBirchfieldDP()
341         prev = edges[y*imgW];  in icvFindStereoCorrespondenceByBirchfieldDP()
344             curr = edges[y*imgW+x];              in icvFindStereoCorrespondenceByBirchfieldDP()
347                   !( edges[y*imgW+x+1] & 4 ) ) )  in icvFindStereoCorrespondenceByBirchfieldDP()
349                 edges[y*imgW+x] -= 4;  in icvFindStereoCorrespondenceByBirchfieldDP()
377             if( reliabilities[y*imgW+x] >= param4 && !(edges[y*imgW+x] & 4) &&  in icvFindStereoCorrespondenceByBirchfieldDP()
384                     if(  ( edges[i*imgW+x] & 4 ) ||  in icvFindStereoCorrespondenceByBirchfieldDP()
396                     if(  ( edges[i*imgW+x] & 4 ) ||  in icvFindStereoCorrespondenceByBirchfieldDP()
434             if( reliabilities[y*imgW+x] >= param4 && !(edges[y*imgW+x] & 1) &&  in icvFindStereoCorrespondenceByBirchfieldDP()
441                     if(  (edges[y*imgW+i] & 1) ||  in icvFindStereoCorrespondenceByBirchfieldDP()
453                     if(  (edges[y*imgW+i] & 1) ||  in icvFindStereoCorrespondenceByBirchfieldDP()
472     cvFree( &edges );      in icvFindStereoCorrespondenceByBirchfieldDP()