Method CalcEmbeddins

src/Tracker/Ctracker.cpp:622–674

\brief CTracker::CalcEmbeddins \param regionEmbeddings \param regions \param currFrame

/// \param currFrame
///
void CTracker::CalcEmbeddins(std::vector<RegionEmbedding>& regionEmbeddings, const regions_t& regions, cv::UMat currFrame) const
{
    if (!regions.empty())
    {
        regionEmbeddings.resize(regions.size());
        // Bhatacharia distance between histograms
        if (m_settings.m_distType[tracking::DistHist] > 0.0f)
        {
            for (size_t j = 0; j < regions.size(); ++j)
            {
                    int bins = 64;
                    std::vector<int> histSize;
                    std::vector<float> ranges;
                    std::vector<int> channels;

                    for (int i = 0, stop = currFrame.channels(); i < stop; ++i)
                    {
                        histSize.push_back(bins);
                        ranges.push_back(0);
                        ranges.push_back(255);
                        channels.push_back(i);
                    }

                    std::vector<cv::UMat> regROI = { currFrame(regions[j].m_brect) };
                    cv::calcHist(regROI, channels, cv::Mat(), regionEmbeddings[j].m_hist, histSize, ranges, false);
                    cv::normalize(regionEmbeddings[j].m_hist, regionEmbeddings[j].m_hist, 0, 1, cv::NORM_MINMAX, -1, cv::Mat());
            }
        }

        // Cosine distance between embeddings
        if (m_settings.m_distType[tracking::DistFeatureCos] > 0.0f)
        {
            for (size_t j = 0; j < regions.size(); ++j)
            {
                if (regionEmbeddings[j].m_embedding.empty())
                {
                    // std::cout << "Search embCalc for " << TypeConverter::Type2Str(regions[j].m_type) << ": ";
                    auto embCalc = m_embCalculators.find(regions[j].m_type);
                    if (embCalc != std::end(m_embCalculators))
                    {
                        embCalc->second->Calc(currFrame, regions[j].m_brect, regionEmbeddings[j].m_embedding);

                        //std::cout << "Founded! m_embedding = " << regionEmbeddings[j].m_embedding.size() << std::endl;
                    }
                    else
                    {
                        //std::cout << "Not found" << std::endl;
                    }
                }
            }
        }
    }
}

///
/// \brief CTracker::GetEllipseDist