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Dealing better with empty frames at the beginning.

This commit is contained in:
Tadas Baltrusaitis 2017-11-24 19:49:46 +00:00
parent c15a5042a9
commit 82c7ccd57f
1 changed files with 13 additions and 7 deletions
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20
lib/local/FaceAnalyser/src/FaceAnalyser.cpp
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@ -434,12 +434,6 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const cv::Mat_<float>& det
// Perform AU prediction // Perform AU prediction
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;
if(online)
{
AU_predictions_reg_corrected = CorrectOnlineAUs(AU_predictions_reg, orientation_to_use, true, false, success, true);
}
// Add the reg predictions to the historic data // Add the reg predictions to the historic data
for (size_t au = 0; au < AU_predictions_reg.size(); ++au) for (size_t au = 0; au < AU_predictions_reg.size(); ++au)
{ {
@ -453,6 +447,9 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const cv::Mat_<float>& det
else else
{ {
AU_predictions_reg_all_hist[AU_predictions_reg[au].first].push_back(0); AU_predictions_reg_all_hist[AU_predictions_reg[au].first].push_back(0);
// Also invalidate AU if not successful
AU_predictions_reg[au].second = 0;
} }
} }
@ -470,9 +467,18 @@ void FaceAnalyser::AddNextFrame(const cv::Mat& frame, const cv::Mat_<float>& det
else else
{ {
AU_predictions_class_all_hist[AU_predictions_class[au].first].push_back(0); AU_predictions_class_all_hist[AU_predictions_class[au].first].push_back(0);
// Also invalidate AU if not successful
AU_predictions_class[au].second = 0;
} }
}
// A workaround for online predictions to make them a bit more accurate
std::vector<std::pair<std::string, double>> AU_predictions_reg_corrected;
if (online)
{
AU_predictions_reg_corrected = CorrectOnlineAUs(AU_predictions_reg, orientation_to_use, true, false, success, true);
} }
if(online) if(online)
{ {