70     uchar  step; //local-optimal step
76     uchar min_val, max_val;
82 void icvFindStereoCorrespondenceByBirchfieldDP( uchar* src1, uchar* src2,  in icvFindStereoCorrespondenceByBirchfieldDP()
83                                                 uchar* disparities,  in icvFindStereoCorrespondenceByBirchfieldDP()
93     uchar  *dispdata;  in icvFindStereoCorrespondenceByBirchfieldDP()
96     uchar   val, prevval, prev, curr;  in icvFindStereoCorrespondenceByBirchfieldDP()
98     uchar*  dest = disparities;  in icvFindStereoCorrespondenceByBirchfieldDP()
107     uchar*              dsi = (uchar*)cvAlloc(sizeof(uchar)*imgW*dispH);  in icvFindStereoCorrespondenceByBirchfieldDP()
108     uchar*              edges = (uchar*)cvAlloc(sizeof(uchar)*imgW*imgH);  in icvFindStereoCorrespondenceByBirchfieldDP()
115         uchar* srcdata1 = src1 + widthStep * y;  in icvFindStereoCorrespondenceByBirchfieldDP()
116         uchar* srcdata2 = src2 + widthStep * y;          in icvFindStereoCorrespondenceByBirchfieldDP()
123             val = (uchar)((curr + prev)>>1);  in icvFindStereoCorrespondenceByBirchfieldDP()
124             rData[j-1].max_val = (uchar)CV_IMAX3( val, prevval, prev );  in icvFindStereoCorrespondenceByBirchfieldDP()
125             rData[j-1].min_val = (uchar)CV_IMIN3( val, prevval, prev );  in icvFindStereoCorrespondenceByBirchfieldDP()
141                     dsi[j] = (uchar)t;  in icvFindStereoCorrespondenceByBirchfieldDP()
145                     dsi[j] = (uchar)t;  in icvFindStereoCorrespondenceByBirchfieldDP()
194             uchar* _edges = edges + y*imgW + x;  in icvFindStereoCorrespondenceByBirchfieldDP()
222                             _cell[d].step = (uchar)t;  in icvFindStereoCorrespondenceByBirchfieldDP()
285             dispdata[x] = (uchar)(d - 1);  in icvFindStereoCorrespondenceByBirchfieldDP()
297                     dispdata[i] = (uchar)(d-1);  in icvFindStereoCorrespondenceByBirchfieldDP()
378                 disparities[y*widthStep+x] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
388                     disparities[i*widthStep+x] = (uchar)d;                      in icvFindStereoCorrespondenceByBirchfieldDP()
400                     disparities[i*widthStep+x] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
406                 disparities[y*widthStep+x] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
435                 disparities[y*widthStep+x] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
445                     disparities[y*widthStep+i] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
457                     disparities[y*widthStep+i] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()
463                 disparities[y*widthStep+x] = (uchar)d;  in icvFindStereoCorrespondenceByBirchfieldDP()