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Correct mistake when detecting candidate letters #9

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Correct mistake when detecting candidate letters #9

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10 changes: 5 additions & 5 deletions TextDetection.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -525,21 +525,21 @@ findLegallyConnectedComponents (IplImage * SWTImage,
int this_pixel = map[row * SWTImage->width + col];
if (col+1 < SWTImage->width) {
float right = CV_IMAGE_ELEM(SWTImage, float, row, col+1);
if (right > 0 && ((*ptr)/right <= 3.0 || right/(*ptr) <= 3.0))
if (right > 0 && ((*ptr)/right <= 3.0 && right/(*ptr) <= 3.0))
boost::add_edge(this_pixel, map.at(row * SWTImage->width + col + 1), g);
}
if (row+1 < SWTImage->height) {
if (col+1 < SWTImage->width) {
float right_down = CV_IMAGE_ELEM(SWTImage, float, row+1, col+1);
if (right_down > 0 && ((*ptr)/right_down <= 3.0 || right_down/(*ptr) <= 3.0))
if (right_down > 0 && ((*ptr)/right_down <= 3.0 && right_down/(*ptr) <= 3.0))
boost::add_edge(this_pixel, map.at((row+1) * SWTImage->width + col + 1), g);
}
float down = CV_IMAGE_ELEM(SWTImage, float, row+1, col);
if (down > 0 && ((*ptr)/down <= 3.0 || down/(*ptr) <= 3.0))
if (down > 0 && ((*ptr)/down <= 3.0 && down/(*ptr) <= 3.0))
boost::add_edge(this_pixel, map.at((row+1) * SWTImage->width + col), g);
if (col-1 >= 0) {
float left_down = CV_IMAGE_ELEM(SWTImage, float, row+1, col-1);
if (left_down > 0 && ((*ptr)/left_down <= 3.0 || left_down/(*ptr) <= 3.0))
if (left_down > 0 && ((*ptr)/left_down <= 3.0 && left_down/(*ptr) <= 3.0))
boost::add_edge(this_pixel, map.at((row+1) * SWTImage->width + col - 1), g);
}
}
Expand Down Expand Up @@ -602,7 +602,7 @@ findLegallyConnectedComponentsRAY (IplImage * SWTImage,
for (std::vector<Point2d>::const_iterator it2 = it->points.begin(); it2 != it->points.end(); it2++) {
float currentSW = CV_IMAGE_ELEM(SWTImage, float, it2->y, it2->x);
if (lastSW == 0) {}
else if (lastSW/currentSW<=3.0 || currentSW/lastSW<=3.0){
else if (lastSW/currentSW<=3.0 && currentSW/lastSW<=3.0){
boost::add_edge(map.at(it2->y * SWTImage->width + it2->x), map.at(lastRow * SWTImage->width + lastCol), g);
}
lastSW = currentSW;
Expand Down