statsCollector.hpp

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 #pragma once
#include <fstream>
#include <mutex>
#include <string>
#include <cstdint>
#include <vector>
#include <iostream>
 
enum class DataId {
    NumberOfPoints,
    NumberOfVoxels,
    NumberOfVoxelsRS,
    SkippedVoxels,
    NoEdge,
    IndirectEdge,
    SingleEdge,
    MultiEdge,
    ScoreComputations,
    NoEdge_R,
    IndirectEdge_R,
    SingleEdge_R,
    MultiEdge_R,
    PpiChange,
    NumberOfPatches,
    NumberOfLostPoints
};
 
struct uvgVPCCencStats {
        /*--------- General ---------*/
            // Number of points of the point cloud
    size_t NumberOfPoints;
            // Number of voxels (1st voxelization)
    size_t numberOfVoxels;
        /*--- Refine Segmentation ---*/
            // Number of voxel for RS (2nd voxelization)
    size_t numberOfVoxelsRS;
            // Number of skipped voxel per iteration
    std::vector<size_t> skippedVoxels;
                // 1 : 15000
                // 2 : 16000
                // ...
            // Classes histogram
    std::vector<size_t> NoEdge;
    std::vector<size_t> IndirectEdge;
    std::vector<size_t> SingleEdge;
    std::vector<size_t> MultiEdge;
            // Number of score computed
    std::vector<size_t> scoreComputations;
            // Number of computation inside each vox class = number of voxel in which a score computation has been made 
    std::vector<size_t> NoEdge_R;
    std::vector<size_t> IndirectEdge_R;
    std::vector<size_t> SingleEdge_R;
    std::vector<size_t> MultiEdge_R;
            // Number of PPI changes (point's level)
    std::vector<size_t> ppiChange;
                // 1 : 150 000
                // 2 : 120 000
                // ...
        /*--- Patch Segmentation ---*/
            // Number of patches
    size_t numberOfPatches;
            // Number of lost points
    size_t numberOfLostPoints; // due to oclusion
};
 
class StatsCollector {
public:
    std::vector<uvgVPCCencStats> stats_;
    static StatsCollector& instance() {
        static StatsCollector instance;
        return instance;
    }
 
    void init(std::size_t nbFrames);
 
    void collectData(size_t frameId, DataId id, size_t data);   
 
    // Export
    void writeToFile(const std::string& filename, const size_t gofId) const;
 
private:
    StatsCollector() = default;
};
 
extern StatsCollector& stats;