homographyNet.h

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/*
 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
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 * 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
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 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#ifndef __HOMOGRAPHY_NET_H__
#define __HOMOGRAPHY_NET_H__


#include "tensorNet.h"


#if NV_TENSORRT_MAJOR >= 5

#define HAS_HOMOGRAPHY_NET
#endif

#define HOMOGRAPHY_NET_DEFAULT_INPUT   "input_0"

#define HOMOGRAPHY_NET_DEFAULT_OUTPUT  "output_0"


class homographyNet : public tensorNet
{
public:
        enum NetworkType
        {
                CUSTOM = 0,     
                COCO_128,               
                WEBCAM_320      
        };

        static NetworkType NetworkTypeFromStr( const char* model_name );

        static homographyNet* Create( NetworkType networkType=WEBCAM_320, uint32_t maxBatchSize=1, 
                                                     precisionType precision=TYPE_FASTEST, deviceType device=DEVICE_GPU, 
                                                     bool allowGPUFallback=true );
        
        static homographyNet* Create( const char* model_path, 
                                                        const char* input = HOMOGRAPHY_NET_DEFAULT_INPUT, 
                                                        const char* output = HOMOGRAPHY_NET_DEFAULT_OUTPUT, 
                                                        uint32_t maxBatchSize=1, precisionType precision=TYPE_FASTEST,
                                                        deviceType device=DEVICE_GPU, bool allowGPUFallback=true );

        static homographyNet* Create( int argc, char** argv );
        
        virtual ~homographyNet();
        
        bool FindDisplacement( float* imageA, float* imageB, uint32_t width, uint32_t height, float displacement[8] );
        
        bool FindHomography( float* imageA, float* imageB, uint32_t width, uint32_t height, float H[3][3] );
        
        bool FindHomography( float* imageA, float* imageB, uint32_t width, uint32_t height, float H[3][3], float H_inv[3][3] );

        bool ComputeHomography( const float displacement[8], float H[3][3] );
        
        bool ComputeHomography( const float displacement[8], float H[3][3], float H_inv[3][3] );


protected:

        // constructor
        homographyNet();
};

#endif