fix minAreaRect assert error
@@ -57,8 +57,12 @@ cv::RotatedRect PostProcessor::UnClip(std::vector<std::vector<float>> box,
points.emplace_back(soln[j][i].X, soln[j][i].Y);
}
}
- cv::RotatedRect res = cv::minAreaRect(points);
-
+ cv::RotatedRect res;
+ if (points.size() <= 0) {
+ res = cv::RotatedRect(cv::Point2f(0, 0), cv::Size2f(1, 1), 0);
+ } else {
+ res = cv::minAreaRect(points);
+ }
return res;
}
@@ -215,6 +219,9 @@ PostProcessor::BoxesFromBitmap(const cv::Mat pred, const cv::Mat bitmap,
std::vector<std::vector<std::vector<int>>> boxes;
for (int _i = 0; _i < num_contours; _i++) {
+ if (contours[_i].size() <= 0) {
+ continue;
+ }
float ssid;
cv::RotatedRect box = cv::minAreaRect(contours[_i]);
auto array = GetMiniBoxes(box, ssid);
@@ -233,6 +240,9 @@ PostProcessor::BoxesFromBitmap(const cv::Mat pred, const cv::Mat bitmap,
// start for unclip
cv::RotatedRect points = UnClip(box_for_unclip, det_db_unclip_ratio);
+ if (points.size.height < 1.001 && points.size.width < 1.001) {
+ continue;
+ }
// end for unclip
cv::RotatedRect clipbox = points;
