CloudAction CloudMask::apply(const CloudAction & cloud) const{
VideoList newVideos;
newVideos.reserve(cloud._landmarks.size());
for (const Video & v: cloud._landmarks){
Video newVideo;
newVideo.reserve(v.size());
for (auto && cloud: v){
PointCloud<66> newCloud{};
for (auto v: _toKeep){
newCloud[v] = cloud[v];
}
newVideo.push_back(newCloud);
}
newVideos.push_back(newVideo);
}
return CloudAction(std::move(newVideos), cloud._actionUnits);
}
Video randomGaussJittered(const Video & set, double meanx, double stdx, double meany, double stdy){
std::random_device rd;
std::mt19937 gen(rd());
std::normal_distribution<> dx(meanx,stdx);
std::normal_distribution<> dy(meany,stdy);
Video res;
res.reserve(set.size());
for(auto && cloud: set){
PointCloud<66> newCloud(cloud);
PointArray<66> & points = newCloud.points();
for (cv::Point2f & p: points){
p.x += dx(gen);
p.y += dy(gen);
}
res.emplace_back(std::move(newCloud));
}
return res;
}