diff options
Diffstat (limited to 'tracker-pt/point_extractor.cpp')
-rw-r--r-- | tracker-pt/point_extractor.cpp | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/tracker-pt/point_extractor.cpp b/tracker-pt/point_extractor.cpp index f7f63784..3109db09 100644 --- a/tracker-pt/point_extractor.cpp +++ b/tracker-pt/point_extractor.cpp @@ -76,7 +76,7 @@ PointExtractor::PointExtractor() blobs.reserve(max_blobs); } -void PointExtractor::extract_points(cv::Mat& frame, std::vector<vec2>& points) +void PointExtractor::extract_points(const cv::Mat& frame, cv::Mat& preview_frame, std::vector<vec2>& points) { using std::sqrt; using std::max; @@ -193,19 +193,19 @@ void PointExtractor::extract_points(cv::Mat& frame, std::vector<vec2>& points) blob b(radius, cv::Vec2d(m10 / N, m01 / N), N/sqrt(double(cnt)), rect); blobs.push_back(b); - static constexpr int frame_size = 400; - const double size = std::max(1, iround(std::sqrt(frame.rows*frame.rows + frame.cols*frame.cols) / frame_size)); - { char buf[64]; sprintf(buf, "%.2fpx", radius); - cv::putText(frame, + static const vec2 off(10, 7.5); + const f cx = preview_frame.cols / f(frame.cols), + cy = preview_frame.rows / f(frame.rows); + cv::putText(preview_frame, buf, - cv::Point((int)round(b.pos[0]+15*size), (int)round(b.pos[1]+10*size)), + cv::Point(iround(b.pos[0]*cx+off[0]), iround(b.pos[1]*cy+off[1])), cv::FONT_HERSHEY_PLAIN, - size, + 1, cv::Scalar(0, 0, 255), - iround(size)); + 1); } if (idx >= max_blobs) goto end; @@ -251,7 +251,7 @@ end: points.reserve(max_blobs); points.clear(); - for (auto& b : blobs) + for (const auto& b : blobs) { // note: H/W is equal to fx/fy @@ -260,7 +260,8 @@ end: } } -PointExtractor::blob::blob(double radius, const cv::Vec2d& pos, double brightness, cv::Rect& rect) : radius(radius), brightness(brightness), pos(pos), rect(rect) +PointExtractor::blob::blob(double radius, const cv::Vec2d& pos, double brightness, cv::Rect& rect) : + radius(radius), brightness(brightness), pos(pos), rect(rect) { //qDebug() << "radius" << radius << "pos" << pos[0] << pos[1]; } |