StatisticalTestingTools.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "CVToolbox.h"
#include "DgmOctree.h"
 
namespace cloudViewer {
 
class GenericCloud;
class GenericDistribution;
class GenericIndexedCloud;
class GenericIndexedCloudPersist;
class GenericProgressCallback;
 
class CV_CORE_LIB_API StatisticalTestingTools : public CVToolbox {
public:
 
    static double computeAdaptativeChi2Dist(const GenericDistribution* distrib,
                                            const GenericCloud* cloud,
                                            unsigned numberOfClasses,
                                            unsigned& finalNumberOfClasses,
                                            bool noClassCompression = false,
                                            ScalarType* histoMin = nullptr,
                                            ScalarType* histoMax = nullptr,
                                            unsigned* histoValues = nullptr,
                                            double* npis = nullptr);
 
 
    static double computeChi2Fractile(double p, int d);
 
 
    static double computeChi2Probability(double chi2result, int d);
 
 
    static double testCloudWithStatisticalModel(
            const GenericDistribution* distrib,
            GenericIndexedCloudPersist* theCloud,
            unsigned numberOfNeighbours,
            double pTrust,
            GenericProgressCallback* progressCb = nullptr,
            DgmOctree* inputOctree = nullptr);
 
protected:
 
    static bool computeLocalChi2DistAtLevel(
            const DgmOctree::octreeCell& cell,
            void** additionalParameters,
            NormalizedProgress* nProgress = nullptr);
};
 
}  // namespace cloudViewer