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Visualization fix, and fix with sequence reading from video files.

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This commit is contained in:
Tadas Baltrusaitis 2017-11-10 08:57:34 +00:00
parent 4959640b03
commit e58ccaa73d
2 changed files with 9 additions and 25 deletions
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32
exe/FeatureExtraction/FeatureExtraction.cpp
View file

@ -111,20 +111,19 @@ void visualise_tracking(cv::Mat& captured_image, const LandmarkDetector::CLNF& f
double detection_certainty = face_model.detection_certainty;
bool detection_success = face_model.detection_success;
double visualisation_boundary = 0.2;
double visualisation_boundary = 0.4;
// Only draw if the reliability is reasonable, the value is slightly ad-hoc
if (detection_certainty < visualisation_boundary)
if (detection_certainty > visualisation_boundary)
{
LandmarkDetector::Draw(captured_image, face_model);
double vis_certainty = detection_certainty;
if (vis_certainty > 1)
vis_certainty = 1;
if (vis_certainty < -1)
vis_certainty = -1;
vis_certainty = (vis_certainty + 1) / (visualisation_boundary + 1);
// Scale from 0 to 1, to allow to indicated by colour how confident we are in the tracking
vis_certainty = (vis_certainty - visualisation_boundary) / (1 - visualisation_boundary);
// A rough heuristic for box around the face width
int thickness = (int)std::ceil(2.0* ((double)captured_image.cols) / 640.0);
@ -132,7 +131,7 @@ void visualise_tracking(cv::Mat& captured_image, const LandmarkDetector::CLNF& f
cv::Vec6d pose_estimate_to_draw = LandmarkDetector::GetPose(face_model, fx, fy, cx, cy);
// Draw it in reddish if uncertain, blueish if certain
LandmarkDetector::DrawBox(captured_image, pose_estimate_to_draw, cv::Scalar((1 - vis_certainty)*255.0, 0, vis_certainty * 255), thickness, fx, fy, cx, cy);
LandmarkDetector::DrawBox(captured_image, pose_estimate_to_draw, cv::Scalar(vis_certainty*255.0, 0, (1-vis_certainty) * 255), thickness, fx, fy, cx, cy);
if (det_parameters.track_gaze && detection_success && face_model.eye_model)
{
@ -155,6 +154,7 @@ void visualise_tracking(cv::Mat& captured_image, const LandmarkDetector::CLNF& f
fpsSt += fpsC;
cv::putText(captured_image, fpsSt, cv::Point(10, 20), CV_FONT_HERSHEY_SIMPLEX, 0.5, CV_RGB(255, 0, 0), 1, CV_AA);
frame_count++;
}
int main (int argc, char **argv)
@ -276,29 +276,13 @@ int main (int argc, char **argv)
{
cv::namedWindow("tracking_result", 1);
cv::imshow("tracking_result", captured_image);
cv::waitKey(1);
}
// Grabbing the next frame (todo this should be part of capture)
captured_image = sequence_reader.GetNextFrame();
if (!det_parameters.quiet_mode)
{
// detect key presses
char character_press = cv::waitKey(1);
// restart the tracker
if(character_press == 'r')
{
face_model.Reset();
}
// quit the application
else if(character_press=='q')
{
return(0);
}
}
// Reporting progress
if(sequence_reader.GetProgress() >= reported_completion / 10.0)
{
cout << reported_completion * 10 << "% ";

2
lib/local/Utilities/src/SequenceCapture.cpp
View file

@ -254,7 +254,7 @@ bool SequenceCapture::OpenVideoFile(std::string video_file, float fx, float fy,
vid_length = (int)capture.get(CV_CAP_PROP_FRAME_COUNT);
if (capture.isOpened())
if (!capture.isOpened())
{
std::cout << "Failed to open the video file at location: " << video_file << std::endl;
return false;