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Add the option to focus on a spcific person

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uvos
2024-06-07 14:04:48 +02:00
parent ccefb86c1a
commit 555efd4af6
3 changed files with 27 additions and 12 deletions
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21
SmartCrop/facerecognizer.cpp
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@ -106,28 +106,35 @@ void FaceRecognizer::clearReferances()
referanceFeatures.clear();
}
std::pair<int, double> FaceRecognizer::isMatch(const cv::Mat& input, bool alone)
FaceRecognizer::Detection FaceRecognizer::isMatch(const cv::Mat& input, bool alone)
{
cv::Mat faces = detectFaces(input);
if(alone && faces.rows > 1)
return {-2, 0};
Detection bestMatch;
bestMatch.confidence = 0;
bestMatch.person = -1;
std::pair<int, double> bestMatch = {-1, 0};
if(alone && faces.rows > 1)
{
bestMatch.person = -2;
return bestMatch;
}
for(int i = 0; i < faces.rows; ++i)
{
cv::Mat face;
recognizer->alignCrop(input, faces.row(0), face);
recognizer->alignCrop(input, faces.row(i), face);
cv::Mat features;
recognizer->feature(face, features);
features = features.clone();
for(size_t referanceIndex = 0; referanceIndex < referanceFeatures.size(); ++referanceIndex)
{
double score = recognizer->match(referanceFeatures[referanceIndex], features, cv::FaceRecognizerSF::FR_COSINE);
if(score > threshold && score > bestMatch.second)
if(score > threshold && score > bestMatch.confidence)
{
bestMatch = {referanceIndex, score};
bestMatch.confidence = score;
bestMatch.person = referanceIndex;
bestMatch.rect = cv::Rect(faces.at<int>(i, 0), faces.at<int>(i, 1), faces.at<int>(i, 2), faces.at<int>(i, 3));
}
}
}