patchSegmentation.hpp

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#pragma once
 
#include <unordered_map>
#include <unordered_set>
 
#include "uvgvpcc/uvgvpcc.hpp"
 
using namespace uvgvpcc_enc;
 
 
class PatchSegmentation {
   public:
    PatchSegmentation();
 
    static void patchSegmentation(std::shared_ptr<uvgvpcc_enc::Frame>& frame, const std::vector<size_t>& pointsPPIs);
    static void createConnectedComponents(std::vector<std::vector<size_t>>& connectedComponents, std::vector<bool>& flags,
                                             const std::vector<size_t>& rawPoints, const std::vector<size_t>& pointsPPIs,
                                             std::unordered_map<size_t, size_t>& nnPropagationMapFlagTrue,
                                             const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry);
    static void patchSplitting(std::vector<size_t>& connectedComponent, uvgvpcc_enc::Patch& patch,
                               const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry);
    static void computePatchBoundingBox(uvgvpcc_enc::Patch& patch, const std::vector<size_t>& connectedComponent,
                                        const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry);
    static void computePatchDepthL1(uvgvpcc_enc::Patch& patch, const std::vector<size_t>& connectedComponent,
                                    std::vector<size_t>& patchPartition,
                                    const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry, const bool isProjectionMode0);
    static void computePatchDepthL2(uvgvpcc_enc::Patch& patch, const std::vector<size_t>& connectedComponent,
                                    const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry, const bool isProjectionMode0);
    static void filterDepth(uvgvpcc_enc::Patch& patch, const bool isProjectionMode0);
    static void resampledPointcloud(std::unordered_set<size_t>& resamplePointSet, uvgvpcc_enc::Patch& patch);  // TODO(lf)const patch ?
 
    static void computeAdditionalPatchInfo(uvgvpcc_enc::Patch& patch);
    static void refillRawPoints(const std::unordered_set<size_t>& resamplePointSet, std::vector<size_t>& rawPoints,
                                   const std::vector<uvgvpcc_enc::Vector3<typeGeometryInput>>& pointsGeometry, const size_t& pointCount,
                                   std::vector<bool>& flags, std::unordered_map<size_t, size_t>& nnPropagationMapFlagTrue);
 
    
};