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////////////////////////////////////////////////////////
//
// GEM - Graphics Environment for Multimedia
//
// zmoelnig@iem.kug.ac.at
//
// Implementation file
//
// Copyright (c) 1997-2000 Mark Danks.
// Copyright (c) Günther Geiger.
// Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM
// Copyright (c) 2002 James Tittle & Chris Clepper
// For information on usage and redistribution, and for a DISCLAIMER OF ALL
// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
//
/////////////////////////////////////////////////////////
#include "pix_opencv_bgstats.h"
CPPEXTERN_NEW(pix_opencv_bgstats)
/////////////////////////////////////////////////////////
//
// pix_opencv_bgstats
//
/////////////////////////////////////////////////////////
// Constructor
//
/////////////////////////////////////////////////////////
pix_opencv_bgstats :: pix_opencv_bgstats()
{
comp_xsize=320;
comp_ysize=240;
x_erode = 2;
x_minarea = 10*10;
x_delta = 0.1; // 0.1 seconds
x_frames = 0;
foreground = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 3);
incoming = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 3);
rgba = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 4);
rgb = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 3);
gray = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 1);
x_model = NULL;
}
/////////////////////////////////////////////////////////
// Destructor
//
/////////////////////////////////////////////////////////
pix_opencv_bgstats :: ~pix_opencv_bgstats()
{
//Destroy cv_images to clean memory
cvReleaseImage(&rgba);
cvReleaseImage(&rgb);
cvReleaseImage(&gray);
cvReleaseImage(&foreground);
cvReleaseImage(&incoming);
}
/////////////////////////////////////////////////////////
// processImage
//
/////////////////////////////////////////////////////////
void pix_opencv_bgstats :: processRGBAImage(imageStruct &image)
{
if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgba)) {
this->comp_xsize = image.xsize;
this->comp_ysize = image.ysize;
x_frames = 0;
//Destroy cv_images to clean memory
cvReleaseImage(&rgba);
cvReleaseImage(&rgb);
cvReleaseImage(&gray);
cvReleaseImage(&foreground);
cvReleaseImage(&incoming);
//create the orig image with new size
rgba = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4);
rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
gray = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 1);
incoming = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
foreground = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
cvReleaseBGStatModel( &x_model );
x_model = NULL;
}
memcpy( rgba->imageData, image.data, image.xsize*image.ysize*4 );
cvCvtColor(rgba, incoming, CV_BGRA2BGR);
if ( x_model == NULL )
{
x_modelparams.Lc = CV_BGFG_FGD_LC;
x_modelparams.N1c = CV_BGFG_FGD_N1C;
x_modelparams.N2c = CV_BGFG_FGD_N2C;
x_modelparams.Lcc = CV_BGFG_FGD_LCC;
x_modelparams.N1cc = CV_BGFG_FGD_N1CC;
x_modelparams.N2cc = CV_BGFG_FGD_N2CC;
x_modelparams.is_obj_without_holes = 1;
x_modelparams.alpha1 = CV_BGFG_FGD_ALPHA_1;
x_modelparams.alpha2 = CV_BGFG_FGD_ALPHA_2;
x_modelparams.alpha3 = CV_BGFG_FGD_ALPHA_3;
x_modelparams.T = CV_BGFG_FGD_T;
x_modelparams.perform_morphing = x_erode;
x_modelparams.minArea = x_minarea;
x_modelparams.delta = x_delta;
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
else if ( x_frames == 5 )
{
// strange model stabilize after a few frames
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
else
{
cvUpdateBGStatModel( incoming, x_model );
}
x_frames++;
cvCvtColor(x_model->foreground, rgba, CV_GRAY2BGRA);
memcpy( image.data, rgba->imageData, image.xsize*image.ysize*4 );
}
void pix_opencv_bgstats :: processRGBImage(imageStruct &image)
{
if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgba)) {
this->comp_xsize = image.xsize;
this->comp_ysize = image.ysize;
x_frames = 0;
//Destroy cv_images to clean memory
cvReleaseImage(&rgba);
cvReleaseImage(&rgb);
cvReleaseImage(&gray);
cvReleaseImage(&foreground);
cvReleaseImage(&incoming);
//create the orig image with new size
rgba = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4);
rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
gray = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 1);
incoming = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
foreground = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
cvReleaseBGStatModel( &x_model );
x_model = NULL;
}
memcpy( rgb->imageData, image.data, image.xsize*image.ysize*3 );
memcpy( incoming->imageData, image.data, image.xsize*image.ysize*3 );
if ( x_model == NULL )
{
x_modelparams.Lc = CV_BGFG_FGD_LC;
x_modelparams.N1c = CV_BGFG_FGD_N1C;
x_modelparams.N2c = CV_BGFG_FGD_N2C;
x_modelparams.Lcc = CV_BGFG_FGD_LCC;
x_modelparams.N1cc = CV_BGFG_FGD_N1CC;
x_modelparams.N2cc = CV_BGFG_FGD_N2CC;
x_modelparams.is_obj_without_holes = 1;
x_modelparams.alpha1 = CV_BGFG_FGD_ALPHA_1;
x_modelparams.alpha2 = CV_BGFG_FGD_ALPHA_2;
x_modelparams.alpha3 = CV_BGFG_FGD_ALPHA_3;
x_modelparams.T = CV_BGFG_FGD_T;
x_modelparams.perform_morphing = x_erode;
x_modelparams.minArea = x_minarea;
x_modelparams.delta = x_delta;
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
else if ( x_frames == 5 )
{
// strange model stabilize after a few frames
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
else
{
cvUpdateBGStatModel( incoming, x_model );
}
x_frames++;
cvCvtColor(x_model->foreground, rgb, CV_GRAY2BGR);
memcpy( image.data, rgb->imageData, image.xsize*image.ysize*3 );
}
void pix_opencv_bgstats :: processYUVImage(imageStruct &image)
{
post( "pix_opencv_bgstats : yuv format not supported" );
}
void pix_opencv_bgstats :: processGrayImage(imageStruct &image)
{
post( "pix_opencv_bgstats : gray format not supported" );
}
/////////////////////////////////////////////////////////
// floatThreshMess
//
/////////////////////////////////////////////////////////
void pix_opencv_bgstats :: floatMinAreaMess (float minarea)
{
if ( ( (int)minarea>0 ) && ( x_model != NULL ) )
{
x_minarea = minarea;
x_modelparams.minArea = minarea;
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
}
void pix_opencv_bgstats :: floatErodeMess(float erode)
{
if ( ( (int)erode>0 ) && ( x_model != NULL ) )
{
x_erode = (int)erode;
x_modelparams.perform_morphing = (int)erode;
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
}
void pix_opencv_bgstats :: floatDeltaMess(float delta)
{
if ( ( delta>0.0 ) && ( x_model != NULL ) )
{
x_delta = delta;
x_modelparams.delta = delta;
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
}
void pix_opencv_bgstats :: resetMess ()
{
if ( x_model != NULL )
{
cvReleaseBGStatModel( &x_model );
x_model = cvCreateFGDStatModel( incoming, &x_modelparams );
}
}
/////////////////////////////////////////////////////////
// static member function
//
/////////////////////////////////////////////////////////
void pix_opencv_bgstats :: obj_setupCallback(t_class *classPtr)
{
class_addmethod(classPtr, (t_method)&pix_opencv_bgstats::floatMinAreaMessCallback,
gensym("minarea"), A_FLOAT, A_NULL);
class_addmethod(classPtr, (t_method)&pix_opencv_bgstats::floatErodeMessCallback,
gensym("erode"), A_FLOAT, A_NULL);
class_addmethod(classPtr, (t_method)&pix_opencv_bgstats::floatDeltaMessCallback,
gensym("delta"), A_FLOAT, A_NULL);
class_addmethod(classPtr, (t_method)&pix_opencv_bgstats::resetMessCallback,
gensym("reset"), A_NULL);
}
void pix_opencv_bgstats :: floatMinAreaMessCallback(void *data, t_floatarg minarea)
{
GetMyClass(data)->floatMinAreaMess((float)minarea);
}
void pix_opencv_bgstats :: floatErodeMessCallback(void *data, t_floatarg erode)
{
GetMyClass(data)->floatErodeMess((float)erode);
}
void pix_opencv_bgstats :: floatDeltaMessCallback(void *data, t_floatarg delta)
{
GetMyClass(data)->floatDeltaMess((float)delta);
}
void pix_opencv_bgstats :: resetMessCallback(void *data)
{
GetMyClass(data)->resetMess();
}
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