activemodel.cc

不错的shijuegezong的程序

/***************************************************************
 * C++ source
 *
 * File : 	ActiveModel.cc
 *
 * Module :	ActiveModel
 *
 * Author : 	Adam Baumberg
 *
 * Creation Date : Mon May 16 15:25:51 1994 
 *
 * Comments : 	
 *
 ***************************************************************/

#include "ActiveModel.h"

#include <stdlib.h> // for ISO 9899 rand()
#include <math.h>

#include "tracker_defines_types_and_helpers.h"
#include "ProfileSet.h"
#include "Image.h"
#include "PCAclass.h"
#include "NagMatrix.h"
#include "Profile.h"
#include "OcclusionHandler.h"
#include "EdgeDetector.h"
#include "NagMatrix.h"
#include "KalmanFilterOneD.h"
#include "SplineWeights.h"
#include "EnvParameter.h"
#include "RGB32Image.h"
#include "default_pca_model.h"
#include "MotionDetector.h"
#include "ActiveShapeTracker.h"
#include "OcclusionImage.h"


#ifdef DEBUG
#ifndef NO_DISPLAY
#include "os_specific_things.h"  // for usleep()
#endif

#include "MovieStore.h"
#endif // ifdef DEBUG

namespace ReadingPeopleTracker
{

// definition and initialisation of static member variables

// apart from shape there's ox, oy, ax, ay
const int ActiveModel::NO_OF_NON_SHAPE_PARAMS = 4;

#ifdef DEBUG
MovieStore *ActiveModel::demo_movie = NULL;
EnvStringParameter ActiveModel::demo_movie_name("DEMO_MOVIE_NAME");
RGB32Image *ActiveModel::demo_image = NULL;
#endif // ifdef DEBUG


ActiveModel::ActiveModel(ActiveShapeTracker *the_tracker, ImageType the_video_image_type) :     
    P(), H(), N(), evals(), mean_points(0), mean_normals(0)
{
    assert (the_tracker != NULL);  // we need it
    tracker = the_tracker;
    video_image_type = the_video_image_type;
    
    // indicate that we have no images yet.  These have to be set each frame!
    video_image = NULL;	      
    difference_image = NULL;
    background_image = NULL;
    previous_video_image = NULL;
    
    epsilon = 0.0;  // overweighting parameter: no overweighting for now.
    
    // set up PCA model using configuration parameters from ActiveShapeTracker
    setup_pca_model();
}

void ActiveModel::setup_pca_model()   // called once by constructor, sets up PCA model
{
    if (tracker->pca_model_filename != NULL)
    {
	ifstream tmpfile(tracker->pca_model_filename);
	if (!tmpfile)
	{
	    cerror << " ActiveModel::setup(): cannot open PCA model file