示例#1
0
文件: JadeR.c 项目: RenatoPoulicer/HR
void Jade(
	    /* Input.  Number of samples  */
	double *B, /* Output. Separating matrix. nbc*nbc */
	double *X, /* Input.  Data set nbc x nbs */
	int nbc,   /* Input.  Number of sensors  */
	int nbs
	)
{
	double threshold_JD = RELATIVE_JD_THRESHOLD / sqrt((double)nbs);
	int rots = 1;
	int i;
	double *Transf = (double *)calloc(nbc*nbc, sizeof(double));
	double *CumTens = (double *)calloc(nbc*nbc*nbc*nbc, sizeof(double));
	if (Transf == NULL || CumTens == NULL) OutOfMemory();
	/*
	printf("teste \n");
	for (i = 0; i < nbc*nbs; i++){
		if (X[i] == X[i]){
			printf("teste %lf", X[i]);
		}
	}*/
	/* Init */
	Message0(2, "Init...\n");
	Identity(B, nbc);

	MeanRemoval(X, nbc, nbs);

	Message0(2, "Whitening...\n");
	ComputeWhitener(Transf, X, nbc, nbs);
	Transform(X, Transf, nbc, nbs);
	Transform(B, Transf, nbc, nbc);

	Message0(2, "Estimating the cumulant tensor...\n");
	EstCumTens(CumTens, X, nbc, nbs);

	Message0(2, "Joint diagonalization...\n");
	rots = JointDiago(CumTens, Transf, nbc, nbc*nbc, threshold_JD);
	MessageI(3, "Total number of plane rotations: %6i.\n", rots);
	MessageF(3, "Size of the total rotation: %10.7e\n", NonIdentity(Transf, nbc));

	Message0(2, "Updating...\n");
	Transform(X, Transf, nbc, nbs);
	Transform(B, Transf, nbc, nbc);

	

	free(Transf);
	free(CumTens);
}
示例#2
0
文件: JadeR.c 项目: RenatoPoulicer/HR
void Shibbs(double *B, /* Output. Separating matrix. nbc*nbc */
	double *X, /* Input.  Data set nbc x nbs */
	int nbc,   /* Input.  Number of sensors  */
	int nbs    /* Input.  Number of samples  */
	)
{
	double threshold_JD = RELATIVE_JD_THRESHOLD / sqrt((double)nbs);

	int rots = 1;

	double *Transf = (double *)calloc(nbc*nbc, sizeof(double));
	double *CumMats = (double *)calloc(nbc*nbc*nbc, sizeof(double));
	if (Transf == NULL || CumMats == NULL) OutOfMemory();

	/* Init */
	Message0(2, "Init...\n");
	Identity(B, nbc);
	MeanRemoval(X, nbc, nbs);

	Message0(2, "Whitening...\n");
	ComputeWhitener(Transf, X, nbc, nbs);
	Transform(X, Transf, nbc, nbs);
	Transform(B, Transf, nbc, nbc);

	while (rots>0)
	{
		Message0(2, "Computing cumulant matrices...\n");
		EstCumMats(CumMats, X, nbc, nbs);

		Message0(2, "Joint diagonalization...\n");
		rots = JointDiago(CumMats, Transf, nbc, nbc, threshold_JD);
		MessageI(3, "Total number of plane rotations: %6i.\n", rots);
		MessageF(3, "Size of the total rotation: %10.7e\n", NonIdentity(Transf, nbc));

		Message0(2, "Updating...\n");
		Transform(X, Transf, nbc, nbs);
		Transform(B, Transf, nbc, nbc);
	}
	free(Transf);
	free(CumMats);
}
void Jade (
	     double *B, /* Output. Separating matrix. nbc*nbc */
	     double *X, /* Input.  Data set nbc x nbs */
	     int nbc,   /* Input.  Number of sensors  */
	     int nbs    /* Input.  Number of samples  */
	     )
{
  double threshold_JD = RELATIVE_JD_THRESHOLD / sqrt((double)nbs) ;
  int rots = 1 ;
  double *Transf  = (double *) calloc(nbc*nbc,         sizeof(double)) ; 
  double *CumTens = (double *) calloc(nbc*nbc*nbc*nbc, sizeof(double)) ; 
  if ( Transf == NULL || CumTens == NULL ) OutOfMemory() ;

  /* Init */
  Message0(2, "Init...\n") ;
  Identity(B, nbc); 

  MeanRemoval(X, nbc, nbs)  ; 
printf ("mean\n");

  PrintMat (X, nbc, nbs) ;
printf ("\n");

Message0(2, "Whitening...\n") ;	
  ComputeWhitener(Transf, X, nbc, nbs)  ; 
	
  printf ("Whitener:\n");
  PrintMat (Transf, nbc, nbc) ;
printf ("\n");

  Transform (X, Transf,          nbc, nbs) ;
printf ("Trans X\n");
PrintMat (X, nbc, nbs) ;
printf ("\n");

  Transform (B, Transf,          nbc, nbc) ;


  Message0(2, "Estimating the cumulant tensor...\n") ;
  EstCumTens (CumTens, X,      nbc, nbs) ;

  printf ("cum tens \n");
  PrintMat (CumTens, nbc*nbc, nbc*nbc) ;
	printf ("\n");

  Message0(2, "Joint diagonalization...\n") ;
  rots = JointDiago (CumTens, Transf,  nbc, nbc*nbc, threshold_JD) ;
  MessageI(3, "Total number of plane rotations: %6i.\n", rots) ;
  MessageF(3, "Size of the total rotation: %10.7e\n", NonIdentity(Transf,nbc) )  ;
  
  printf ("Trans mat\n");
  PrintMat (Transf, nbc, nbc) ;
  printf ("\n");

  Message0(2, "Updating...\n") ;
  Transform  (X, Transf,        nbc, nbs ) ;
  Transform  (B, Transf,        nbc, nbc ) ;

  printf ("resultant \n");
  PrintMat (X, nbc, nbs) ;
  printf ("\n");

  printf ("estimated mix \n");
  PrintMat (B, nbc, nbc) ;
  printf ("\n");

  free(Transf) ; 
  free(CumTens) ;
}