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Merge pull request #380 from severin-lemaignan/develop 

Added support for AUs visualization to FeatureExtractor
This commit is contained in:
Tadas Baltrusaitis 2018-03-24 09:58:07 +00:00 committed by GitHub
parent 0a769e4424 dba96e1551
commit 6cbd91694b
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 90 additions and 2 deletions
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1
exe/FeatureExtraction/FeatureExtraction.cpp
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@ -205,6 +205,7 @@ int main (int argc, char **argv)
visualizer.SetObservationLandmarks(face_model.detected_landmarks, face_model.detection_certainty, face_model.GetVisibilities());
visualizer.SetObservationPose(pose_estimate, face_model.detection_certainty);
visualizer.SetObservationGaze(gazeDirection0, gazeDirection1, LandmarkDetector::CalculateAllEyeLandmarks(face_model), LandmarkDetector::Calculate3DEyeLandmarks(face_model, sequence_reader.fx, sequence_reader.fy, sequence_reader.cx, sequence_reader.cy), face_model.detection_certainty);
visualizer.SetObservationActionUnits(face_analyser.GetCurrentAUsReg(), face_analyser.GetCurrentAUsClass());
visualizer.SetFps(fps_tracker.GetFPS());
// detect key presses

8
lib/local/Utilities/include/Visualizer.h
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@ -66,7 +66,9 @@ namespace Utilities
// Pose related observations
void SetObservationPose(const cv::Vec6d& pose, double confidence);
void SetObservationActionUnits(const std::vector<std::pair<std::string, double> >& au_intensities, const std::vector<std::pair<std::string, double> >& au_occurences);
// Gaze related observations
void SetObservationGaze(const cv::Point3f& gazeDirection0, const cv::Point3f& gazeDirection1, const std::vector<cv::Point2d>& eye_landmarks, const std::vector<cv::Point3d>& eye_landmarks3d, double confidence);
@ -88,6 +90,7 @@ namespace Utilities
bool vis_track;
bool vis_hog;
bool vis_align;
bool vis_aus;
// Can be adjusted to show less confident frames
double visualisation_boundary = 0.4;
@ -99,10 +102,11 @@ namespace Utilities
cv::Mat tracked_image;
cv::Mat hog_image;
cv::Mat aligned_face_image;
cv::Mat action_units_image;
// Useful for drawing 3d
float fx, fy, cx, cy;
};
}
#endif
#endif

83
lib/local/Utilities/src/Visualizer.cpp
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@ -31,6 +31,10 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <sstream>
#include <iomanip>
#include <map>
#include "Visualizer.h"
#include "VisualizationUtils.h"
#include "RotationHelpers.h"
@ -45,12 +49,35 @@ using namespace Utilities;
const int draw_shiftbits = 4;
const int draw_multiplier = 1 << 4;
const std::map<std::string, std::string> AUS_DESCRIPTION = {
{"AU01", "Inner Brow Raiser "},
{"AU02", "Outer Brow Raiser "},
{"AU04", "Brow Lowerer "},
{"AU05", "Upper Lid Raiser "},
{"AU06", "Cheek Raiser "},
{"AU07", "Lid Tightener "},
{"AU09", "Nose Wrinkler "},
{"AU10", "Upper Lip Raiser "},
{"AU12", "Lip Corner Puller "},
{"AU14", "Dimpler "},
{"AU15", "Lip Corner Depressor"},
{"AU17", "Chin Raiser "},
{"AU20", "Lip stretcher "},
{"AU23", "Lip Tightener "},
{"AU25", "Lips part "},
{"AU26", "Jaw Drop "},
{"AU28", "Lip Suck "},
{"AU45", "Blink "},
};
Visualizer::Visualizer(std::vector<std::string> arguments)
{
// By default not visualizing anything
this->vis_track = false;
this->vis_hog = false;
this->vis_align = false;
this->vis_aus = false;
for (size_t i = 0; i < arguments.size(); ++i)
{
@ -72,6 +99,10 @@ Visualizer::Visualizer(std::vector<std::string> arguments)
{
vis_track = true;
}
else if (arguments[i].compare("-vis-aus") == 0)
{
vis_aus = true;
}
}
}
@ -99,6 +130,7 @@ void Visualizer::SetImage(const cv::Mat& canvas, float fx, float fy, float cx, f
// Clearing other images
hog_image = cv::Mat();
aligned_face_image = cv::Mat();
action_units_image = cv::Mat();
}
@ -197,6 +229,53 @@ void Visualizer::SetObservationPose(const cv::Vec6d& pose, double confidence)
}
}
void Visualizer::SetObservationActionUnits(const std::vector<std::pair<std::string, double> >& au_intensities,
const std::vector<std::pair<std::string, double> >& au_occurences)
{
const int NB_AUS = 17;
const int AU_TRACKBAR_LENGTH = 400;
const int AU_TRACKBAR_HEIGHT = 10;
const int MARGIN_X = 185;
const int MARGIN_Y = 10;
action_units_image = cv::Mat(NB_AUS * (AU_TRACKBAR_HEIGHT + 10) + MARGIN_Y * 2, AU_TRACKBAR_LENGTH + MARGIN_X, CV_8UC3, cv::Scalar(255,255,255));
std::map<std::string, std::pair<bool, double>> aus;
// first, prepare a mapping "AU name" -> { present, intensity }
for (size_t idx = 0; idx < au_intensities.size(); idx++) {
aus[au_intensities[idx].first] = std::make_pair(au_occurences[idx].second != 0, au_intensities[idx].second);
}
// then, build the graph
size_t idx = 0;
for (auto& au : aus) {
std::string name = au.first;
bool present = au.second.first;
double intensity = au.second.second;
auto offset = MARGIN_Y + idx * (AU_TRACKBAR_HEIGHT + 10);
std::ostringstream au_i;
au_i << std::setprecision(2) << std::setw(4) << std::fixed << intensity;
cv::putText(action_units_image, name, cv::Point(10, offset + 10), CV_FONT_HERSHEY_SIMPLEX, 0.5, CV_RGB(present ? 0 : 200, 0, 0), 1, CV_AA);
cv::putText(action_units_image, AUS_DESCRIPTION.at(name), cv::Point(55, offset + 10), CV_FONT_HERSHEY_SIMPLEX, 0.3, CV_RGB(0, 0, 0), 1, CV_AA);
if(present) {
cv::putText(action_units_image, au_i.str(), cv::Point(160, offset + 10), CV_FONT_HERSHEY_SIMPLEX, 0.3, CV_RGB(0, 100, 0), 1, CV_AA);
cv::rectangle(action_units_image, cv::Point(MARGIN_X, offset),
cv::Point(MARGIN_X + AU_TRACKBAR_LENGTH * intensity/5, offset + AU_TRACKBAR_HEIGHT),
cv::Scalar(128,128,128),
CV_FILLED);
}
else {
cv::putText(action_units_image, "0.00", cv::Point(160, offset + 10), CV_FONT_HERSHEY_SIMPLEX, 0.3, CV_RGB(0, 0, 0), 1, CV_AA);
}
idx++;
}
}
// Eye gaze infomration drawing, first of eye landmarks then of gaze
void Visualizer::SetObservationGaze(const cv::Point3f& gaze_direction0, const cv::Point3f& gaze_direction1, const std::vector<cv::Point2d>& eye_landmarks2d, const std::vector<cv::Point3d>& eye_landmarks3d, double confidence)
{
@ -298,6 +377,10 @@ char Visualizer::ShowObservation()
{
cv::imshow("hog", hog_image);
}
if (vis_aus)
{
cv::imshow("action units", action_units_image);
}
return cv::waitKey(1);
}