| Line 186... |
Line 186... |
| 186 |
labelVert = codeVert.at<int>(row, col);
|
186 |
labelVert = codeVert.at<int>(row, col);
|
| 187 |
labelVertBelow = codeVert.at<int>(row+1, col);
|
187 |
labelVertBelow = codeVert.at<int>(row+1, col);
|
| 188 |
|
188 |
|
| 189 |
// labels need to be non-background, and differ in exactly one bit
|
189 |
// labels need to be non-background, and differ in exactly one bit
|
| 190 |
if(labelHorz != -1 && labelHorzRight != -1 &&
|
190 |
if(labelHorz != -1 && labelHorzRight != -1 &&
|
| 191 |
countBits(labelHorz^labelHorzRight) == 1 &&
|
191 |
(grayToBinary(labelHorzRight) == grayToBinary(labelHorz)+1) &&
|
| 192 |
labelVert != -1 && labelVertBelow != -1 &&
|
192 |
labelVert != -1 && labelVertBelow != -1 &&
|
| 193 |
countBits(labelVert^labelVertBelow) == 1){
|
193 |
(grayToBinary(labelVertBelow) == grayToBinary(labelVert)+1)){
|
| 194 |
|
194 |
|
| 195 |
// shift together labels to form unique intersection id
|
195 |
// shift together labels to form unique intersection id
|
| 196 |
unsigned long id = ((ulong)labelHorz << (NbitsHorz+2*NbitsVert)) + ((ulong)labelHorzRight << (2*NbitsVert)) +
|
196 |
unsigned long id = ((ulong)labelHorz << (NbitsHorz+2*NbitsVert)) + ((ulong)labelHorzRight << (2*NbitsVert)) +
|
| 197 |
((ulong)labelVert << NbitsVert) + (ulong)labelVertBelow;
|
197 |
((ulong)labelVert << NbitsVert) + (ulong)labelVertBelow;
|
| 198 |
|
198 |
|