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correct range computations, it is difficult to do the more efficient single pass 3N/2 implementations correctly in this particular setting without costing more than they save

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This commit is contained in:
Jason Newton 2013-08-27 00:34:22 -07:00
parent 04c86f28b1
commit affab4f156
1 changed files with 4 additions and 16 deletions
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20
modules/imgproc/src/connectedcomponents.cpp
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@ -92,20 +92,10 @@ namespace cv{
}
void operator()(int r, int c, int l){
int *row = &statsv.at<int>(l, 0);
if(c > row[CC_STAT_WIDTH]){
row[CC_STAT_WIDTH] = c;
}else{
if(c < row[CC_STAT_LEFT]){
row[CC_STAT_LEFT] = c;
}
}
if(r > row[CC_STAT_HEIGHT]){
row[CC_STAT_HEIGHT] = r;
}else{
if(r < row[CC_STAT_TOP]){
row[CC_STAT_TOP] = r;
}
}
row[CC_STAT_LEFT] = MIN(row[CC_STAT_LEFT], c);
row[CC_STAT_WIDTH] = MAX(row[CC_STAT_WIDTH], c);
row[CC_STAT_TOP] = MIN(row[CC_STAT_TOP], r);
row[CC_STAT_HEIGHT] = MAX(row[CC_STAT_HEIGHT], r);
row[CC_STAT_AREA]++;
Point2ui64 &integral = integrals[l];
integral.x += c;
@ -114,9 +104,7 @@ namespace cv{
void finish(){
for(int l = 0; l < statsv.rows; ++l){
int *row = &statsv.at<int>(l, 0);
row[CC_STAT_LEFT] = std::min(row[CC_STAT_LEFT], row[CC_STAT_WIDTH]);
row[CC_STAT_WIDTH] = row[CC_STAT_WIDTH] - row[CC_STAT_LEFT] + 1;
row[CC_STAT_TOP] = std::min(row[CC_STAT_TOP], row[CC_STAT_HEIGHT]);
row[CC_STAT_HEIGHT] = row[CC_STAT_HEIGHT] - row[CC_STAT_TOP] + 1;
Point2ui64 &integral = integrals[l];