- Fixing the issue with gaze not tracking properly in video and landmark modes.

- Fixing the simscale/simalign bug
This commit is contained in:
Tadas Baltrusaitis 2017-03-08 11:46:50 -05:00
parent a3e66319b5
commit 52c50b4ff3
10 changed files with 226 additions and 256 deletions

3
.gitignore vendored
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@ -44,3 +44,6 @@ exe/Recording/Debug/
lib/3rdParty/dlib/Debug/ lib/3rdParty/dlib/Debug/
lib/local/FaceAnalyser/Debug/ lib/local/FaceAnalyser/Debug/
lib/local/LandmarkDetector/Debug/ lib/local/LandmarkDetector/Debug/
matlab_runners/Head Pose Experiments/experiments/biwi_out/
matlab_runners/Head Pose Experiments/experiments/bu_out/
matlab_runners/Head Pose Experiments/experiments/ict_out/

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@ -75,4 +75,5 @@ script:
- ../build/bin/FaceLandmarkImg -inroot ../videos -f Obama.jpg -outroot data -of obama.txt -op obama.3d -oi obama.bmp -multi_view 1 -wild -q - ../build/bin/FaceLandmarkImg -inroot ../videos -f Obama.jpg -outroot data -of obama.txt -op obama.3d -oi obama.bmp -multi_view 1 -wild -q
- ../build/bin/FaceLandmarkVidMulti -inroot ../videos -f multi_face.avi -outroot output -ov multi_face.avi -q - ../build/bin/FaceLandmarkVidMulti -inroot ../videos -f multi_face.avi -outroot output -ov multi_face.avi -q
- ../build/bin/FeatureExtraction -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -ov blair.avi -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_test.avi -hogalign hog_test.dat -q - ../build/bin/FeatureExtraction -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -ov blair.avi -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_test.avi -hogalign hog_test.dat -q
- ../build/bin/FeatureExtraction -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -simsize 200 -simscale 0.5 -ov blair.avi -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_test.avi -hogalign hog_test.dat -q
- ../build/bin/FaceLandmarkVid -inroot ../videos -f 1815_01_008_tony_blair.avi -f 0188_03_021_al_pacino.avi -f 0217_03_006_alanis_morissette.avi -outroot output_data -ov 1.avi -ov 2.avi -ov 3.avi -q - ../build/bin/FaceLandmarkVid -inroot ../videos -f 1815_01_008_tony_blair.avi -f 0188_03_021_al_pacino.avi -f 0217_03_006_alanis_morissette.avi -outroot output_data -ov 1.avi -ov 2.avi -ov 3.avi -q

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@ -25,4 +25,5 @@ test_script:
- cmd: if exist "../videos" (FaceLandmarkImg.exe -inroot ../videos -f obama.jpg -outroot out_data -of obama.pts -op obama.3d -oi obama.bmp -q) else (FaceLandmarkImg.exe -inroot ../../videos -f obama.jpg -outroot out_data -of obama.pts -op obama.3d -oi obama.bmp -q) - cmd: if exist "../videos" (FaceLandmarkImg.exe -inroot ../videos -f obama.jpg -outroot out_data -of obama.pts -op obama.3d -oi obama.bmp -q) else (FaceLandmarkImg.exe -inroot ../../videos -f obama.jpg -outroot out_data -of obama.pts -op obama.3d -oi obama.bmp -q)
- cmd: if exist "../videos" (FaceLandmarkVidMulti.exe -inroot ../videos -f multi_face.avi -ov multi_face.avi -q) else (FaceLandmarkVidMulti.exe -inroot ../../videos -f multi_face.avi -ov multi_face.avi -q) - cmd: if exist "../videos" (FaceLandmarkVidMulti.exe -inroot ../videos -f multi_face.avi -ov multi_face.avi -q) else (FaceLandmarkVidMulti.exe -inroot ../../videos -f multi_face.avi -ov multi_face.avi -q)
- cmd: if exist "../videos" (FeatureExtraction.exe -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_track.avi -hogalign hog_test.dat -q) else (FeatureExtraction.exe -f "../../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_track.avi -hogalign hog_test.dat -q) - cmd: if exist "../videos" (FeatureExtraction.exe -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_track.avi -hogalign hog_test.dat -q) else (FeatureExtraction.exe -f "../../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -ov feat_track.avi -hogalign hog_test.dat -q)
- cmd: if exist "../videos" (FeatureExtraction.exe -f "../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -simsize 200 -simscale 0.5 -ov feat_track.avi -hogalign hog_test.dat -q) else (FeatureExtraction.exe -f "../../videos/1815_01_008_tony_blair.avi" -outroot output_features -of "1815_01_008_tony_blair.txt" -simalign aligned -simsize 200 -simscale 0.5 -ov feat_track.avi -hogalign hog_test.dat -q)
- cmd: if exist "../videos" (FaceLandmarkVid.exe -f "../videos/1815_01_008_tony_blair.avi" -ov track.avi -q) else (FaceLandmarkVid.exe -f "../../videos/1815_01_008_tony_blair.avi" -ov track.avi -q) - cmd: if exist "../videos" (FaceLandmarkVid.exe -f "../videos/1815_01_008_tony_blair.avi" -ov track.avi -q) else (FaceLandmarkVid.exe -f "../../videos/1815_01_008_tony_blair.avi" -ov track.avi -q)

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@ -308,7 +308,7 @@ int main (int argc, char **argv)
vector<string> output_similarity_align; vector<string> output_similarity_align;
vector<string> output_hog_align_files; vector<string> output_hog_align_files;
double sim_scale = 0.7; double sim_scale = -1;
int sim_size = 112; int sim_size = 112;
bool grayscale = false; bool grayscale = false;
bool video_output = false; bool video_output = false;
@ -391,7 +391,10 @@ int main (int argc, char **argv)
} }
// Creating a face analyser that will be used for AU extraction // Creating a face analyser that will be used for AU extraction
FaceAnalysis::FaceAnalyser face_analyser(vector<cv::Vec3d>(), 0.7, 112, 112, au_loc, tri_loc); // Make sure sim_scale is proportional to sim_size if not set
if (sim_scale == -1) sim_scale = sim_size * (0.7 / 112.0);
FaceAnalysis::FaceAnalyser face_analyser(vector<cv::Vec3d>(), sim_scale, sim_size, sim_size, au_loc, tri_loc);
while(!done) // this is not a for loop as we might also be reading from a webcam while(!done) // this is not a for loop as we might also be reading from a webcam
{ {
@ -593,7 +596,7 @@ int main (int argc, char **argv)
} }
if(hog_output_file.is_open()) if(hog_output_file.is_open())
{ {
FaceAnalysis::Extract_FHOG_descriptor(hog_descriptor, sim_warped_img, num_hog_rows, num_hog_cols); face_analyser.GetLatestHOG(hog_descriptor, num_hog_rows, num_hog_cols);
if(visualise_hog && !det_parameters.quiet_mode) if(visualise_hog && !det_parameters.quiet_mode)
{ {
@ -615,13 +618,13 @@ int main (int argc, char **argv)
pose_estimate = LandmarkDetector::GetCorrectedPoseCamera(face_model, fx, fy, cx, cy); pose_estimate = LandmarkDetector::GetCorrectedPoseCamera(face_model, fx, fy, cx, cy);
} }
if(hog_output_file.is_open()) if (hog_output_file.is_open())
{ {
output_HOG_frame(&hog_output_file, detection_success, hog_descriptor, num_hog_rows, num_hog_cols); output_HOG_frame(&hog_output_file, detection_success, hog_descriptor, num_hog_rows, num_hog_cols);
} }
// Write the similarity normalised output // Write the similarity normalised output
if(!output_similarity_align.empty()) if (!output_similarity_align.empty())
{ {
if (sim_warped_img.channels() == 3 && grayscale) if (sim_warped_img.channels() == 3 && grayscale)
@ -631,8 +634,8 @@ int main (int argc, char **argv)
char name[100]; char name[100];
// output the frame number // Filename is based on frame number
std::sprintf(name, "frame_det_%06d.bmp", frame_count); std::sprintf(name, "frame_det_%06d.bmp", frame_count + 1);
// Construct the output filename // Construct the output filename
boost::filesystem::path slash("/"); boost::filesystem::path slash("/");
@ -1206,6 +1209,7 @@ void get_output_feature_params(vector<string> &output_similarity_aligned, vector
} }
// Can process images via directories creating a separate output file per directory // Can process images via directories creating a separate output file per directory
void get_image_input_output_params_feats(vector<vector<string> > &input_image_files, bool& as_video, vector<string> &arguments) void get_image_input_output_params_feats(vector<vector<string> > &input_image_files, bool& as_video, vector<string> &arguments)
{ {

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@ -74,184 +74,183 @@
namespace FaceAnalysis namespace FaceAnalysis
{ {
class FaceAnalyser{ class FaceAnalyser {
public: public:
enum RegressorType{ SVR_appearance_static_linear = 0, SVR_appearance_dynamic_linear = 1, SVR_dynamic_geom_linear = 2, SVR_combined_linear = 3, SVM_linear_stat = 4, SVM_linear_dyn = 5, SVR_linear_static_seg = 6, SVR_linear_dynamic_seg =7}; enum RegressorType { SVR_appearance_static_linear = 0, SVR_appearance_dynamic_linear = 1, SVR_dynamic_geom_linear = 2, SVR_combined_linear = 3, SVM_linear_stat = 4, SVM_linear_dyn = 5, SVR_linear_static_seg = 6, SVR_linear_dynamic_seg = 7 };
// Constructor from a model file (or a default one if not provided // Constructor from a model file (or a default one if not provided
// TODO scale width and height should be read in as part of the model as opposed to being here? // TODO scale width and height should be read in as part of the model as opposed to being here?
FaceAnalyser(vector<cv::Vec3d> orientation_bins = vector<cv::Vec3d>(), double scale = 0.7, int width = 112, int height = 112, std::string au_location = "AU_predictors/AU_all_best.txt", std::string tri_location = "model/tris_68_full.txt"); FaceAnalyser(vector<cv::Vec3d> orientation_bins = vector<cv::Vec3d>(), double scale = 0.7, int width = 112, int height = 112, std::string au_location = "AU_predictors/AU_all_best.txt", std::string tri_location = "model/tris_68_full.txt");
void AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, double timestamp_seconds, bool online = false, bool visualise = true); void AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, double timestamp_seconds, bool online = false, bool visualise = true);
// If the features are extracted manually (shouldn't really be used) // If the features are extracted manually (shouldn't really be used)
void PredictAUs(const cv::Mat_<double>& hog_features, const cv::Mat_<double>& geom_features, const LandmarkDetector::CLNF& clnf_model, bool online); void PredictAUs(const cv::Mat_<double>& hog_features, const cv::Mat_<double>& geom_features, const LandmarkDetector::CLNF& clnf_model, bool online);
cv::Mat GetLatestHOGDescriptorVisualisation(); cv::Mat GetLatestHOGDescriptorVisualisation();
double GetCurrentTimeSeconds(); double GetCurrentTimeSeconds();
// Grab the current predictions about AUs from the face analyser // Grab the current predictions about AUs from the face analyser
std::vector<std::pair<std::string, double>> GetCurrentAUsClass() const; // AU presence std::vector<std::pair<std::string, double>> GetCurrentAUsClass() const; // AU presence
std::vector<std::pair<std::string, double>> GetCurrentAUsReg() const; // AU intensity std::vector<std::pair<std::string, double>> GetCurrentAUsReg() const; // AU intensity
std::vector<std::pair<std::string, double>> GetCurrentAUsCombined() const; // Both presense and intensity std::vector<std::pair<std::string, double>> GetCurrentAUsCombined() const; // Both presense and intensity
// A standalone call for predicting AUs from a static image, the first element in the pair represents occurence the second intensity // A standalone call for predicting AUs from a static image, the first element in the pair represents occurence the second intensity
// This call is useful for detecting action units in images // This call is useful for detecting action units in images
std::pair<std::vector<std::pair<string, double>>, std::vector<std::pair<string, double>>> PredictStaticAUs(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, bool visualise = true); std::pair<std::vector<std::pair<string, double>>, std::vector<std::pair<string, double>>> PredictStaticAUs(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, bool visualise = true);
void Reset(); void Reset();
void GetLatestHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols); void GetLatestHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols);
void GetLatestAlignedFace(cv::Mat& image); void GetLatestAlignedFace(cv::Mat& image);
void GetLatestNeutralHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols); void GetLatestNeutralHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols);
cv::Mat_<int> GetTriangulation(); cv::Mat_<int> GetTriangulation();
cv::Mat_<uchar> GetLatestAlignedFaceGrayscale(); void GetGeomDescriptor(cv::Mat_<double>& geom_desc);
void GetGeomDescriptor(cv::Mat_<double>& geom_desc); // Grab the names of AUs being predicted
std::vector<std::string> GetAUClassNames() const; // Presence
std::vector<std::string> GetAURegNames() const; // Intensity
void ExtractCurrentMedians(vector<cv::Mat>& hog_medians, vector<cv::Mat>& face_image_medians, vector<cv::Vec3d>& orientations); // Identify if models are static or dynamic (useful for correction and shifting)
std::vector<bool> GetDynamicAUClass() const; // Presence
// Grab the names of AUs being predicted std::vector<std::pair<string, bool>> GetDynamicAUReg() const; // Intensity
std::vector<std::string> GetAUClassNames() const; // Presence
std::vector<std::string> GetAURegNames() const; // Intensity
// Identify if models are static or dynamic (useful for correction and shifting)
std::vector<bool> GetDynamicAUClass() const; // Presence
std::vector<std::pair<string, bool>> GetDynamicAUReg() const; // Intensity
void ExtractAllPredictionsOfflineReg(vector<std::pair<std::string, vector<double>>>& au_predictions, vector<double>& confidences, vector<bool>& successes, vector<double>& timestamps, bool dynamic); void ExtractAllPredictionsOfflineReg(vector<std::pair<std::string, vector<double>>>& au_predictions, vector<double>& confidences, vector<bool>& successes, vector<double>& timestamps, bool dynamic);
void ExtractAllPredictionsOfflineClass(vector<std::pair<std::string, vector<double>>>& au_predictions, vector<double>& confidences, vector<bool>& successes, vector<double>& timestamps, bool dynamic); void ExtractAllPredictionsOfflineClass(vector<std::pair<std::string, vector<double>>>& au_predictions, vector<double>& confidences, vector<bool>& successes, vector<double>& timestamps, bool dynamic);
private: // Helper function for post-processing AU output files
void FaceAnalyser::PostprocessOutputFile(string output_file, bool dynamic);
// Where the predictions are kept private:
std::vector<std::pair<std::string, double>> AU_predictions_reg;
std::vector<std::pair<std::string, double>> AU_predictions_class;
std::vector<std::pair<std::string, double>> AU_predictions_combined; // Where the predictions are kept
std::vector<std::pair<std::string, double>> AU_predictions_reg;
std::vector<std::pair<std::string, double>> AU_predictions_class;
// Keeping track of AU predictions over time (useful for post-processing) std::vector<std::pair<std::string, double>> AU_predictions_combined;
vector<double> timestamps;
std::map<std::string, vector<double>> AU_predictions_reg_all_hist;
std::map<std::string, vector<double>> AU_predictions_class_all_hist;
std::vector<double> confidences;
std::vector<bool> valid_preds;
int frames_tracking; // Keeping track of AU predictions over time (useful for post-processing)
vector<double> timestamps;
std::map<std::string, vector<double>> AU_predictions_reg_all_hist;
std::map<std::string, vector<double>> AU_predictions_class_all_hist;
std::vector<double> confidences;
std::vector<bool> valid_preds;
// Cache of intermediate images int frames_tracking;
cv::Mat_<uchar> aligned_face_grayscale;
cv::Mat aligned_face;
cv::Mat hog_descriptor_visualisation;
// Private members to be used for predictions // Cache of intermediate images
// The HOG descriptor of the last frame cv::Mat aligned_face_for_au;
cv::Mat_<double> hog_desc_frame; cv::Mat aligned_face_for_output;
int num_hog_rows; cv::Mat hog_descriptor_visualisation;
int num_hog_cols;
// Keep a running median of the hog descriptors and a aligned images // Private members to be used for predictions
cv::Mat_<double> hog_desc_median; // The HOG descriptor of the last frame
cv::Mat_<double> face_image_median; cv::Mat_<double> hog_desc_frame;
int num_hog_rows;
int num_hog_cols;
// Use histograms for quick (but approximate) median computation // Keep a running median of the hog descriptors and a aligned images
// Use the same for cv::Mat_<double> hog_desc_median;
vector<cv::Mat_<unsigned int> > hog_desc_hist; cv::Mat_<double> face_image_median;
// This is not being used at the moment as it is a bit slow // Use histograms for quick (but approximate) median computation
vector<cv::Mat_<unsigned int> > face_image_hist; // Use the same for
vector<int> face_image_hist_sum; vector<cv::Mat_<unsigned int> > hog_desc_hist;
vector<cv::Vec3d> head_orientations; // This is not being used at the moment as it is a bit slow
vector<cv::Mat_<unsigned int> > face_image_hist;
vector<int> face_image_hist_sum;
int num_bins_hog; vector<cv::Vec3d> head_orientations;
double min_val_hog;
double max_val_hog;
vector<int> hog_hist_sum;
int view_used;
// The geometry descriptor (rigid followed by non-rigid shape parameters from CLNF) int num_bins_hog;
cv::Mat_<double> geom_descriptor_frame; double min_val_hog;
cv::Mat_<double> geom_descriptor_median; double max_val_hog;
vector<int> hog_hist_sum;
int view_used;
int geom_hist_sum; // The geometry descriptor (rigid followed by non-rigid shape parameters from CLNF)
cv::Mat_<unsigned int> geom_desc_hist; cv::Mat_<double> geom_descriptor_frame;
int num_bins_geom; cv::Mat_<double> geom_descriptor_median;
double min_val_geom;
double max_val_geom;
// Using the bounding box of previous analysed frame to determine if a reset is needed int geom_hist_sum;
cv::Rect_<double> face_bounding_box; cv::Mat_<unsigned int> geom_desc_hist;
int num_bins_geom;
double min_val_geom;
double max_val_geom;
// The AU predictions internally // Using the bounding box of previous analysed frame to determine if a reset is needed
std::vector<std::pair<std::string, double>> PredictCurrentAUs(int view); cv::Rect_<double> face_bounding_box;
std::vector<std::pair<std::string, double>> PredictCurrentAUsClass(int view);
// special step for online (rather than offline AU prediction) // The AU predictions internally
std::vector<pair<string, double>> CorrectOnlineAUs(std::vector<std::pair<std::string, double>> predictions_orig, int view, bool dyn_shift = false, bool dyn_scale = false, bool update_track = true, bool clip_values = false); std::vector<std::pair<std::string, double>> PredictCurrentAUs(int view);
std::vector<std::pair<std::string, double>> PredictCurrentAUsClass(int view);
void ReadAU(std::string au_location); // special step for online (rather than offline AU prediction)
std::vector<pair<string, double>> CorrectOnlineAUs(std::vector<std::pair<std::string, double>> predictions_orig, int view, bool dyn_shift = false, bool dyn_scale = false, bool update_track = true, bool clip_values = false);
void ReadRegressor(std::string fname, const vector<string>& au_names); void ReadAU(std::string au_location);
// A utility function for keeping track of approximate running medians used for AU and emotion inference using a set of histograms (the histograms are evenly spaced from min_val to max_val) void ReadRegressor(std::string fname, const vector<string>& au_names);
// Descriptor has to be a row vector
// TODO this duplicates some other code
void UpdateRunningMedian(cv::Mat_<unsigned int>& histogram, int& hist_sum, cv::Mat_<double>& median, const cv::Mat_<double>& descriptor, bool update, int num_bins, double min_val, double max_val);
void ExtractMedian(cv::Mat_<unsigned int>& histogram, int hist_count, cv::Mat_<double>& median, int num_bins, double min_val, double max_val);
// The linear SVR regressors // A utility function for keeping track of approximate running medians used for AU and emotion inference using a set of histograms (the histograms are evenly spaced from min_val to max_val)
SVR_static_lin_regressors AU_SVR_static_appearance_lin_regressors; // Descriptor has to be a row vector
SVR_dynamic_lin_regressors AU_SVR_dynamic_appearance_lin_regressors; // TODO this duplicates some other code
void UpdateRunningMedian(cv::Mat_<unsigned int>& histogram, int& hist_sum, cv::Mat_<double>& median, const cv::Mat_<double>& descriptor, bool update, int num_bins, double min_val, double max_val);
void ExtractMedian(cv::Mat_<unsigned int>& histogram, int hist_count, cv::Mat_<double>& median, int num_bins, double min_val, double max_val);
// The linear SVM classifiers // The linear SVR regressors
SVM_static_lin AU_SVM_static_appearance_lin; SVR_static_lin_regressors AU_SVR_static_appearance_lin_regressors;
SVM_dynamic_lin AU_SVM_dynamic_appearance_lin; SVR_dynamic_lin_regressors AU_SVR_dynamic_appearance_lin_regressors;
// The AUs predicted by the model are not always 0 calibrated to a person. That is they don't always predict 0 for a neutral expression // The linear SVM classifiers
// Keeping track of the predictions we can correct for this, by assuming that at least "ratio" of frames are neutral and subtract that value of prediction, only perform the correction after min_frames SVM_static_lin AU_SVM_static_appearance_lin;
void UpdatePredictionTrack(cv::Mat_<unsigned int>& prediction_corr_histogram, int& prediction_correction_count, vector<double>& correction, const vector<pair<string, double>>& predictions, double ratio=0.25, int num_bins = 200, double min_val = -3, double max_val = 5, int min_frames = 10); SVM_dynamic_lin AU_SVM_dynamic_appearance_lin;
void GetSampleHist(cv::Mat_<unsigned int>& prediction_corr_histogram, int prediction_correction_count, vector<double>& sample, double ratio, int num_bins = 200, double min_val = 0, double max_val = 5);
void PostprocessPredictions(); // The AUs predicted by the model are not always 0 calibrated to a person. That is they don't always predict 0 for a neutral expression
// Keeping track of the predictions we can correct for this, by assuming that at least "ratio" of frames are neutral and subtract that value of prediction, only perform the correction after min_frames
void UpdatePredictionTrack(cv::Mat_<unsigned int>& prediction_corr_histogram, int& prediction_correction_count, vector<double>& correction, const vector<pair<string, double>>& predictions, double ratio = 0.25, int num_bins = 200, double min_val = -3, double max_val = 5, int min_frames = 10);
void GetSampleHist(cv::Mat_<unsigned int>& prediction_corr_histogram, int prediction_correction_count, vector<double>& sample, double ratio, int num_bins = 200, double min_val = 0, double max_val = 5);
vector<cv::Mat_<unsigned int>> au_prediction_correction_histogram; void PostprocessPredictions();
vector<int> au_prediction_correction_count;
// Some dynamic scaling (the logic is that before the extreme versions of expression or emotion are shown, vector<cv::Mat_<unsigned int>> au_prediction_correction_histogram;
// it is hard to tell the boundaries, this allows us to scale the model to the most extreme seen) vector<int> au_prediction_correction_count;
// They have to be view specific
vector<vector<double>> dyn_scaling;
// Keeping track of predictions for summary stats // Some dynamic scaling (the logic is that before the extreme versions of expression or emotion are shown,
cv::Mat_<double> AU_prediction_track; // it is hard to tell the boundaries, this allows us to scale the model to the most extreme seen)
cv::Mat_<double> geom_desc_track; // They have to be view specific
vector<vector<double>> dyn_scaling;
double current_time_seconds; // Keeping track of predictions for summary stats
cv::Mat_<double> AU_prediction_track;
cv::Mat_<double> geom_desc_track;
// Used for face alignment double current_time_seconds;
cv::Mat_<int> triangulation;
double align_scale;
int align_width;
int align_height;
// Useful placeholder for renormalizing the initial frames of shorter videos // Used for face alignment
int max_init_frames = 3000; cv::Mat_<int> triangulation;
vector<cv::Mat_<double>> hog_desc_frames_init; double align_scale;
vector<cv::Mat_<double>> geom_descriptor_frames_init; int align_width;
vector<int> views; int align_height;
bool postprocessed = false;
int frames_tracking_succ = 0;
}; // Useful placeholder for renormalizing the initial frames of shorter videos
//=========================================================================== int max_init_frames = 3000;
vector<cv::Mat_<double>> hog_desc_frames_init;
vector<cv::Mat_<double>> geom_descriptor_frames_init;
vector<int> views;
bool postprocessed = false;
int frames_tracking_succ = 0;
};
//===========================================================================
} }
#endif #endif

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@ -226,7 +226,7 @@ void FaceAnalyser::GetLatestHOG(cv::Mat_<double>& hog_descriptor, int& num_rows,
void FaceAnalyser::GetLatestAlignedFace(cv::Mat& image) void FaceAnalyser::GetLatestAlignedFace(cv::Mat& image)
{ {
image = this->aligned_face.clone(); image = this->aligned_face_for_output.clone();
} }
void FaceAnalyser::GetLatestNeutralHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols) void FaceAnalyser::GetLatestNeutralHOG(cv::Mat_<double>& hog_descriptor, int& num_rows, int& num_cols)
@ -267,50 +267,15 @@ int GetViewId(const vector<cv::Vec3d> orientations_all, const cv::Vec3d& orienta
} }
void FaceAnalyser::ExtractCurrentMedians(vector<cv::Mat>& hog_medians, vector<cv::Mat>& face_image_medians, vector<cv::Vec3d>& orientations)
{
orientations = this->head_orientations;
for(size_t i = 0; i < orientations.size(); ++i)
{
cv::Mat_<double> median_face(this->face_image_median.rows, this->face_image_median.cols, 0.0);
cv::Mat_<double> median_hog(this->hog_desc_median.rows, this->hog_desc_median.cols, 0.0);
ExtractMedian(this->face_image_hist[i], this->face_image_hist_sum[i], median_face, 256, 0, 255);
ExtractMedian(this->hog_desc_hist[i], this->hog_hist_sum[i], median_hog, this->num_bins_hog, 0, 1);
// Add the HOG sample
hog_medians.push_back(median_hog.clone());
// For the face image need to convert it to suitable format
cv::Mat_<uchar> aligned_face_cols_uchar;
median_face.convertTo(aligned_face_cols_uchar, CV_8U);
cv::Mat aligned_face_uchar;
if(aligned_face.channels() == 1)
{
aligned_face_uchar = cv::Mat(aligned_face.rows, aligned_face.cols, CV_8U, aligned_face_cols_uchar.data);
}
else
{
aligned_face_uchar = cv::Mat(aligned_face.rows, aligned_face.cols, CV_8UC3, aligned_face_cols_uchar.data);
}
face_image_medians.push_back(aligned_face_uchar.clone());
}
}
std::pair<std::vector<std::pair<string, double>>, std::vector<std::pair<string, double>>> FaceAnalyser::PredictStaticAUs(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, bool visualise) std::pair<std::vector<std::pair<string, double>>, std::vector<std::pair<string, double>>> FaceAnalyser::PredictStaticAUs(const cv::Mat& frame, const LandmarkDetector::CLNF& clnf, bool visualise)
{ {
// First align the face // First align the face
AlignFaceMask(aligned_face, frame, clnf, triangulation, true, align_scale, align_width, align_height); AlignFaceMask(aligned_face_for_au, frame, clnf, triangulation, true, 0.7, 112, 112);
// Extract HOG descriptor from the frame and convert it to a useable format // Extract HOG descriptor from the frame and convert it to a useable format
cv::Mat_<double> hog_descriptor; cv::Mat_<double> hog_descriptor;
Extract_FHOG_descriptor(hog_descriptor, aligned_face, this->num_hog_rows, this->num_hog_cols); Extract_FHOG_descriptor(hog_descriptor, aligned_face_for_au, this->num_hog_rows, this->num_hog_cols);
// Store the descriptor // Store the descriptor
hog_desc_frame = hog_descriptor; hog_desc_frame = hog_descriptor;
@ -326,10 +291,10 @@ std::pair<std::vector<std::pair<string, double>>, std::vector<std::pair<string,
cv::hconcat(locs.t(), geom_descriptor_frame.clone(), geom_descriptor_frame); cv::hconcat(locs.t(), geom_descriptor_frame.clone(), geom_descriptor_frame);
// First convert the face image to double representation as a row vector // First convert the face image to double representation as a row vector, TODO rem
cv::Mat_<uchar> aligned_face_cols(1, aligned_face.cols * aligned_face.rows * aligned_face.channels(), aligned_face.data, 1); //cv::Mat_<uchar> aligned_face_cols(1, aligned_face_for_au.cols * aligned_face_for_au.rows * aligned_face_for_au.channels(), aligned_face_for_au.data, 1);
cv::Mat_<double> aligned_face_cols_double; //cv::Mat_<double> aligned_face_cols_double;
aligned_face_cols.convertTo(aligned_face_cols_double, CV_64F); //aligned_face_cols.convertTo(aligned_face_cols_double, CV_64F);
// Visualising the median HOG // Visualising the median HOG
if (visualise) if (visualise)
@ -361,28 +326,33 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
frames_tracking++; frames_tracking++;
// First align the face if tracking was successfull // First align the face if tracking was successfull
if(clnf_model.detection_success) if (clnf_model.detection_success)
{ {
AlignFaceMask(aligned_face, frame, clnf_model, triangulation, true, align_scale, align_width, align_height);
}
else
{
aligned_face = cv::Mat(align_height, align_width, CV_8UC3);
aligned_face.setTo(0);
}
if(aligned_face.channels() == 3) // The aligned face requirement for AUs
{ AlignFaceMask(aligned_face_for_au, frame, clnf_model, triangulation, true, 0.7, 112, 112);
cv::cvtColor(aligned_face, aligned_face_grayscale, CV_BGR2GRAY);
// If the output requirement matches use the already computed one, else compute it again
if (align_scale == 0.7 && align_width == 112 && align_height == 112)
{
aligned_face_for_output = aligned_face_for_au.clone();
}
else
{
AlignFaceMask(aligned_face_for_output, frame, clnf_model, triangulation, true, align_scale, align_width, align_height);
}
} }
else else
{ {
aligned_face_grayscale = aligned_face.clone(); aligned_face_for_output = cv::Mat(align_height, align_width, CV_8UC3);
aligned_face_for_au = cv::Mat(112, 112, CV_8UC3);
aligned_face_for_output.setTo(0);
aligned_face_for_au.setTo(0);
} }
// Extract HOG descriptor from the frame and convert it to a useable format // Extract HOG descriptor from the frame and convert it to a useable format
cv::Mat_<double> hog_descriptor; cv::Mat_<double> hog_descriptor;
Extract_FHOG_descriptor(hog_descriptor, aligned_face, this->num_hog_rows, this->num_hog_cols); Extract_FHOG_descriptor(hog_descriptor, aligned_face_for_au, this->num_hog_rows, this->num_hog_cols);
// Store the descriptor // Store the descriptor
hog_desc_frame = hog_descriptor; hog_desc_frame = hog_descriptor;
@ -425,7 +395,7 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
frames_tracking_succ++; frames_tracking_succ++;
// A small speedup // A small speedup
if(frames_tracking % 2 == 1) if (frames_tracking % 2 == 1)
{ {
UpdateRunningMedian(this->hog_desc_hist[orientation_to_use], this->hog_hist_sum[orientation_to_use], this->hog_desc_median, hog_descriptor, update_median, this->num_bins_hog, this->min_val_hog, this->max_val_hog); UpdateRunningMedian(this->hog_desc_hist[orientation_to_use], this->hog_hist_sum[orientation_to_use], this->hog_desc_median, hog_descriptor, update_median, this->num_bins_hog, this->min_val_hog, this->max_val_hog);
this->hog_desc_median.setTo(0, this->hog_desc_median < 0); this->hog_desc_median.setTo(0, this->hog_desc_median < 0);
@ -434,7 +404,7 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
// Geom descriptor and its median // Geom descriptor and its median
geom_descriptor_frame = clnf_model.params_local.t(); geom_descriptor_frame = clnf_model.params_local.t();
if(!clnf_model.detection_success) if (!clnf_model.detection_success)
{ {
geom_descriptor_frame.setTo(0); geom_descriptor_frame.setTo(0);
} }
@ -445,21 +415,18 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
cv::hconcat(locs.t(), geom_descriptor_frame.clone(), geom_descriptor_frame); cv::hconcat(locs.t(), geom_descriptor_frame.clone(), geom_descriptor_frame);
// A small speedup // A small speedup
if(frames_tracking % 2 == 1) if (frames_tracking % 2 == 1)
{ {
UpdateRunningMedian(this->geom_desc_hist, this->geom_hist_sum, this->geom_descriptor_median, geom_descriptor_frame, update_median, this->num_bins_geom, this->min_val_geom, this->max_val_geom); UpdateRunningMedian(this->geom_desc_hist, this->geom_hist_sum, this->geom_descriptor_median, geom_descriptor_frame, update_median, this->num_bins_geom, this->min_val_geom, this->max_val_geom);
} }
// First convert the face image to double representation as a row vector // First convert the face image to double representation as a row vector, TODO rem?
cv::Mat_<uchar> aligned_face_cols(1, aligned_face.cols * aligned_face.rows * aligned_face.channels(), aligned_face.data, 1); //cv::Mat_<uchar> aligned_face_cols(1, aligned_face.cols * aligned_face.rows * aligned_face.channels(), aligned_face.data, 1);
cv::Mat_<double> aligned_face_cols_double; //cv::Mat_<double> aligned_face_cols_double;
aligned_face_cols.convertTo(aligned_face_cols_double, CV_64F); //aligned_face_cols.convertTo(aligned_face_cols_double, CV_64F);
// TODO get rid of this completely as it takes too long?
//UpdateRunningMedian(this->face_image_hist[orientation_to_use], this->face_image_hist_sum[orientation_to_use], this->face_image_median, aligned_face_cols_double, update_median, 256, 0, 255);
// Visualising the median HOG // Visualising the median HOG
if(visualise) if (visualise)
{ {
FaceAnalysis::Visualise_FHOG(hog_descriptor, num_hog_rows, num_hog_cols, hog_descriptor_visualisation); FaceAnalysis::Visualise_FHOG(hog_descriptor, num_hog_rows, num_hog_cols, hog_descriptor_visualisation);
} }
@ -468,9 +435,9 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
AU_predictions_reg = PredictCurrentAUs(orientation_to_use); AU_predictions_reg = PredictCurrentAUs(orientation_to_use);
std::vector<std::pair<std::string, double>> AU_predictions_reg_corrected; std::vector<std::pair<std::string, double>> AU_predictions_reg_corrected;
if(online) if (online)
{ {
AU_predictions_reg_corrected = CorrectOnlineAUs(AU_predictions_reg, orientation_to_use, true, false, clnf_model.detection_success); AU_predictions_reg_corrected = CorrectOnlineAUs(AU_predictions_reg, orientation_to_use, true, false, clnf_model.detection_success, true);
} }
// Add the reg predictions to the historic data // Add the reg predictions to the historic data
@ -479,7 +446,7 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
// Find the appropriate AU (if not found add it) // Find the appropriate AU (if not found add it)
// Only add if the detection was successful // Only add if the detection was successful
if(clnf_model.detection_success) if (clnf_model.detection_success)
{ {
AU_predictions_reg_all_hist[AU_predictions_reg[au].first].push_back(AU_predictions_reg[au].second); AU_predictions_reg_all_hist[AU_predictions_reg[au].first].push_back(AU_predictions_reg[au].second);
} }
@ -496,7 +463,7 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
// Find the appropriate AU (if not found add it) // Find the appropriate AU (if not found add it)
// Only add if the detection was successful // Only add if the detection was successful
if(clnf_model.detection_success) if (clnf_model.detection_success)
{ {
AU_predictions_class_all_hist[AU_predictions_class[au].first].push_back(AU_predictions_class[au].second); AU_predictions_class_all_hist[AU_predictions_class[au].first].push_back(AU_predictions_class[au].second);
} }
@ -507,7 +474,7 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
} }
if(online) if (online)
{ {
AU_predictions_reg = AU_predictions_reg_corrected; AU_predictions_reg = AU_predictions_reg_corrected;
} }
@ -531,8 +498,6 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const LandmarkDetector::CL
valid_preds.push_back(success); valid_preds.push_back(success);
timestamps.push_back(timestamp_seconds); timestamps.push_back(timestamp_seconds);
} }
void FaceAnalyser::GetGeomDescriptor(cv::Mat_<double>& geom_desc) void FaceAnalyser::GetGeomDescriptor(cv::Mat_<double>& geom_desc)
@ -1101,12 +1066,6 @@ vector<pair<string, double>> FaceAnalyser::PredictCurrentAUsClass(int view)
return predictions; return predictions;
} }
cv::Mat_<uchar> FaceAnalyser::GetLatestAlignedFaceGrayscale()
{
return aligned_face_grayscale.clone();
}
cv::Mat FaceAnalyser::GetLatestHOGDescriptorVisualisation() cv::Mat FaceAnalyser::GetLatestHOGDescriptorVisualisation()
{ {
return hog_descriptor_visualisation; return hog_descriptor_visualisation;

View file

@ -221,19 +221,19 @@ namespace FaceAnalysis
destination_landmarks.col(1) = destination_landmarks.col(1) + warp_matrix(1,2); destination_landmarks.col(1) = destination_landmarks.col(1) + warp_matrix(1,2);
// Move the eyebrows up to include more of upper face // Move the eyebrows up to include more of upper face
destination_landmarks.at<double>(0,1) -= 30; destination_landmarks.at<double>(0,1) -= (30/0.7)*sim_scale;
destination_landmarks.at<double>(16,1) -= 30; destination_landmarks.at<double>(16,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(17,1) -= 30; destination_landmarks.at<double>(17,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(18,1) -= 30; destination_landmarks.at<double>(18,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(19,1) -= 30; destination_landmarks.at<double>(19,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(20,1) -= 30; destination_landmarks.at<double>(20,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(21,1) -= 30; destination_landmarks.at<double>(21,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(22,1) -= 30; destination_landmarks.at<double>(22,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(23,1) -= 30; destination_landmarks.at<double>(23,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(24,1) -= 30; destination_landmarks.at<double>(24,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(25,1) -= 30; destination_landmarks.at<double>(25,1) -= (30 / 0.7)*sim_scale;
destination_landmarks.at<double>(26,1) -= 30; destination_landmarks.at<double>(26,1) -= (30 / 0.7)*sim_scale;
destination_landmarks = cv::Mat(destination_landmarks.t()).reshape(1, 1).t(); destination_landmarks = cv::Mat(destination_landmarks.t()).reshape(1, 1).t();

View file

@ -366,6 +366,9 @@ void CLNF::Read(string main_location)
// The other module locations should be defined as relative paths from the main model // The other module locations should be defined as relative paths from the main model
boost::filesystem::path root = boost::filesystem::path(main_location).parent_path(); boost::filesystem::path root = boost::filesystem::path(main_location).parent_path();
// Assume no eye model, unless read-in
eye_model = false;
// The main file contains the references to other files // The main file contains the references to other files
while (!locations.eof()) while (!locations.eof())
{ {
@ -387,6 +390,7 @@ void CLNF::Read(string main_location)
location = location.substr(0, location.size()-1); location = location.substr(0, location.size()-1);
} }
// append to root // append to root
location = (root / location).string(); location = (root / location).string();
if (module.compare("LandmarkDetector") == 0) if (module.compare("LandmarkDetector") == 0)
@ -536,7 +540,6 @@ void CLNF::Read(string main_location)
tracking_initialised = false; tracking_initialised = false;
model_likelihood = -10; // very low model_likelihood = -10; // very low
detection_certainty = 1; // very uncertain detection_certainty = 1; // very uncertain
eye_model = false;
// Initialising default values for the rest of the variables // Initialising default values for the rest of the variables

View file

@ -35,7 +35,7 @@ for i=1:numel(in_dirs)
command = cat(2, command, ['-asvid -fdir "' in_dirs{i} '" -of "' outputFile '" ']); command = cat(2, command, ['-asvid -fdir "' in_dirs{i} '" -of "' outputFile '" ']);
command = cat(2, command, [' -simalign "' outputDir_aligned '" -hogalign "' outputHOG_aligned '"']); command = cat(2, command, [' -simalign "' outputDir_aligned '" -simsize 200 -hogalign "' outputHOG_aligned '"']);
end end