objectTrackerIOU.h

Go to the documentation of this file.

/*
 * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
 
#ifndef __OBJECT_TRACKER_IOU_H__
#define __OBJECT_TRACKER_IOU_H__
 
 
#include "objectTracker.h"
 
 
#define OBJECT_TRACKER_DEFAULT_MIN_FRAMES 3
 
#define OBJECT_TRACKER_DEFAULT_DROP_FRAMES 15
 
#define OBJECT_TRACKER_DEFAULT_OVERLAP_THRESHOLD 0.5
 
 
class objectTrackerIOU : public objectTracker
{
public:
        static objectTrackerIOU* Create( uint32_t minFrames=OBJECT_TRACKER_DEFAULT_MIN_FRAMES,
                                                           uint32_t dropFrames=OBJECT_TRACKER_DEFAULT_DROP_FRAMES,
                                                           float overlapThreshold=OBJECT_TRACKER_DEFAULT_OVERLAP_THRESHOLD );
        
        static objectTrackerIOU* Create( int argc, char** argv );
        
        static objectTrackerIOU* Create( const commandLine& cmdLine );
        
        virtual ~objectTrackerIOU();
        
        inline uint32_t GetMinFrames() const                                    { return mMinFrames; }
        
        inline void SetMinFrames( uint32_t frames )                             { mMinFrames = frames; }
        
        inline uint32_t GetDropFrames() const                                   { return mDropFrames; }
        
        inline void SetDropFrames( uint32_t frames )                            { mDropFrames = frames; }
        
        inline float GetOverlapThreshold() const                                { return mOverlapThreshold; }
        
        inline void SetOverlapThreshold( float threshold )              { mOverlapThreshold = threshold; }
        
        inline virtual Type GetType() const                                     { return IOU; }
        
        virtual int Process( void* image, uint32_t width, uint32_t height, imageFormat format, detectNet::Detection* detections, int numDetections );
        
protected:
        objectTrackerIOU( uint32_t minFrames, uint32_t dropFrames, float overlapThreshold );
        
        uint32_t mIDCount;
        uint64_t mFrameCount;
        
        uint32_t mMinFrames;
        uint32_t mDropFrames;
        
        float mOverlapThreshold;
 
        std::vector<detectNet::Detection> mTracks;
};
 
#endif