+++ /dev/null
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-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-//
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-// Intel License Agreement
-//
-// Copyright (C) 2000, Intel Corporation, all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
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-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
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-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
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-//M*/
-#include "_cvaux.h"
-
-// Function cvCreateBGStatModel creates and returns initialized BG model.
-// Parameters:
-// first_frame - frame from video sequence
-// model_type \96 type of BG model (CV_BG_MODEL_MOG, CV_BG_MODEL_FGD,\85)
-// parameters - (optional) if NULL the default parameters of the algorithm will be used
-CvBGStatModel* cvCreateBGStatModel( IplImage* first_frame, int model_type, void* params )
-{
- CvBGStatModel* bg_model = NULL;
-
- if( model_type == CV_BG_MODEL_FGD || model_type == CV_BG_MODEL_FGD_SIMPLE )
- bg_model = cvCreateFGDStatModel( first_frame, (CvFGDStatModelParams*)params );
- else if( model_type == CV_BG_MODEL_MOG )
- bg_model = cvCreateGaussianBGModel( first_frame, (CvGaussBGStatModelParams*)params );
-
- return bg_model;
-}
-
-
-/* FOREGROUND DETECTOR INTERFACE */
-class CvFGDetectorBase:public CvFGDetector
-{
-protected:
- CvBGStatModel* m_pFG;
- int m_FGType;
- void* m_pFGParam; /* Foreground parameters. */
- CvFGDStatModelParams m_ParamFGD;
- CvGaussBGStatModelParams m_ParamMOG;
- char* m_SaveName;
- char* m_LoadName;
-public:
- virtual void SaveState(CvFileStorage* )
- {
- if( m_FGType == CV_BG_MODEL_FGD || m_FGType == CV_BG_MODEL_FGD_SIMPLE )
- {
- if( m_SaveName ) /* File name is not empty */
- {
- //cvSaveStatModel(m_SaveName, (CvFGDStatModel*)m_pFG);
- }
- }
- };
- virtual void LoadState(CvFileStorage* , CvFileNode* )
- {
- if( m_FGType == CV_BG_MODEL_FGD || m_FGType == CV_BG_MODEL_FGD_SIMPLE )
- {
- if( m_LoadName ) /* File name is not empty */
- {
- //cvRestoreStatModel(m_LoadName, (CvFGDStatModel*)m_pFG);
- }
- }
- };
- CvFGDetectorBase(int type, void* param)
- {
- m_pFG = NULL;
- m_FGType = type;
- m_pFGParam = param;
- if( m_FGType == CV_BG_MODEL_FGD || m_FGType == CV_BG_MODEL_FGD_SIMPLE )
- {
- if(m_pFGParam)
- {
- m_ParamFGD = *(CvFGDStatModelParams*)m_pFGParam;
- }
- else
- {
- m_ParamFGD.Lc = CV_BGFG_FGD_LC;
- m_ParamFGD.N1c = CV_BGFG_FGD_N1C;
- m_ParamFGD.N2c = CV_BGFG_FGD_N2C;
- m_ParamFGD.Lcc = CV_BGFG_FGD_LCC;
- m_ParamFGD.N1cc = CV_BGFG_FGD_N1CC;
- m_ParamFGD.N2cc = CV_BGFG_FGD_N2CC;
- m_ParamFGD.delta = CV_BGFG_FGD_DELTA;
- m_ParamFGD.alpha1 = CV_BGFG_FGD_ALPHA_1;
- m_ParamFGD.alpha2 = CV_BGFG_FGD_ALPHA_2;
- m_ParamFGD.alpha3 = CV_BGFG_FGD_ALPHA_3;
- m_ParamFGD.T = CV_BGFG_FGD_T;
- m_ParamFGD.minArea = CV_BGFG_FGD_MINAREA;
- m_ParamFGD.is_obj_without_holes = 1;
- m_ParamFGD.perform_morphing = 1;
- }
- AddParam("LC",&m_ParamFGD.Lc);
- AddParam("alpha1",&m_ParamFGD.alpha1);
- AddParam("alpha2",&m_ParamFGD.alpha2);
- AddParam("alpha3",&m_ParamFGD.alpha3);
- AddParam("N1c",&m_ParamFGD.N1c);
- AddParam("N2c",&m_ParamFGD.N2c);
- AddParam("N1cc",&m_ParamFGD.N1cc);
- AddParam("N2cc",&m_ParamFGD.N2cc);
- m_SaveName = 0;
- m_LoadName = 0;
- AddParam("SaveName",&m_SaveName);
- AddParam("LoadName",&m_LoadName);
- AddParam("ObjWithoutHoles",&m_ParamFGD.is_obj_without_holes);
- AddParam("Morphology",&m_ParamFGD.perform_morphing);
- }
- else if( m_FGType == CV_BG_MODEL_MOG ) // "MOG" == "Mixture Of Gaussians"
- {
- if(m_pFGParam)
- {
- m_ParamMOG = *(CvGaussBGStatModelParams*)m_pFGParam;
- }
- else
- { // These constants are all from cvaux/include/cvaux.h
- m_ParamMOG.win_size = CV_BGFG_MOG_WINDOW_SIZE;
- m_ParamMOG.bg_threshold = CV_BGFG_MOG_BACKGROUND_THRESHOLD;
-
- m_ParamMOG.std_threshold = CV_BGFG_MOG_STD_THRESHOLD;
- m_ParamMOG.weight_init = CV_BGFG_MOG_WEIGHT_INIT;
-
- m_ParamMOG.variance_init = CV_BGFG_MOG_SIGMA_INIT*CV_BGFG_MOG_SIGMA_INIT;
- m_ParamMOG.minArea = CV_BGFG_MOG_MINAREA;
- m_ParamMOG.n_gauss = CV_BGFG_MOG_NGAUSSIANS;
- }
- AddParam("NG",&m_ParamMOG.n_gauss);
- }
-
- };
- ~CvFGDetectorBase()
- {
- if(m_pFG)cvReleaseBGStatModel( &m_pFG );
- }
- void ParamUpdate()
- {
- if(m_pFG)cvReleaseBGStatModel( &m_pFG );
- }
-
- inline IplImage* GetMask()
- {
- return m_pFG?m_pFG->foreground:NULL;
- };
-
- /* Process current image: */
- virtual void Process(IplImage* pImg)
- {
- if(m_pFG == NULL)
- {
- void* param = m_pFGParam;
- if( m_FGType == CV_BG_MODEL_FGD || m_FGType == CV_BG_MODEL_FGD_SIMPLE )
- {
- param = &m_ParamFGD;
- }
- else if( m_FGType == CV_BG_MODEL_MOG )
- {
- param = &m_ParamMOG;
- }
- m_pFG = cvCreateBGStatModel(
- pImg,
- m_FGType,
- param);
- LoadState(0, 0);
- }
- else
- {
- cvUpdateBGStatModel( pImg, m_pFG );
- }
- };
-
- /* Release foreground detector: */
- virtual void Release()
- {
- SaveState(0);
- if(m_pFG)cvReleaseBGStatModel( &m_pFG );
- };
-};
-
-CvFGDetector* cvCreateFGDetectorBase(int type, void *param)
-{
- return (CvFGDetector*) new CvFGDetectorBase(type, param);
-}
projects / opencv / blobdiff