#include <libtpcrec.h>

Data Fields
char	status
	Prmat status.
char	type
	Scanner information on the prmat. 0=ECAT931 1=GE Advance.
unsigned int	viewNr
	Scanner geometrics, field viewNr.
unsigned int	binNr
	Scanner geometrics, field binNr.
unsigned int	imgDim
	Scanner geometrics, field imgDim.
int	mode
	Discretisation model utilised.
int *	prmatfov
float	min
	Minimal factor value in the projection matrix.
float	max
	Maximal factor value in the projection matrix.
float	factor_sum
	The sum of all factors in the projection matrix.
float	scaling_factor
	Scaling factor for factors (notice that factors are stored in integers).
unsigned int	nrp
	Number of pixels inside the fov. i.e. number of rows in the look-up table.
unsigned int **	lines
unsigned int **	_linesdata
	Hidden pointer for the actual data.
unsigned int	dimr
	Dimension of rows (lines of response) in the projection matrix.
float *	factor_sqr_sum
	Square sums of factors in each row in the projection matrix.
unsigned int *	dime
	Number of pixels hit by a line for every line.
unsigned short int ***	fact
unsigned short int ***	_factdata
	Hidden pointer for the actual data.

Detailed Description

PRMAT is the structure for storing and processing the projection (system) matrix utilized in PET image reconstruction and Radon transform.

Definition at line 162 of file libtpcrec.h.

Field Documentation

◆ _factdata

unsigned short int*** PRMAT::_factdata

Hidden pointer for the actual data.

Definition at line 210 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatEmpty(), prmatInit(), radonSetBases(), radonSetBasesEA(), and radonSetLORS().

◆ _linesdata

unsigned int** PRMAT::_linesdata

Hidden pointer for the actual data.

Definition at line 196 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatEmpty(), and prmatInit().

◆ binNr

unsigned int PRMAT::binNr

Scanner geometrics, field binNr.

Definition at line 170 of file libtpcrec.h.

Referenced by prmatGetNB(), prmatInit(), prmatReadMatrix(), prmatSaveMatrix(), radonSetBases(), and radonSetBasesEA().

◆ dime

unsigned int* PRMAT::dime

Number of pixels hit by a line for every line.

Definition at line 204 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatEmpty(), prmatGetPixels(), prmatInit(), radonSetBases(), radonSetBasesEA(), and radonSetLORS().

◆ dimr

unsigned int PRMAT::dimr

Dimension of rows (lines of response) in the projection matrix.

Definition at line 200 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatEmpty(), prmatGetRows(), prmatInit(), prmatReadMatrix(), prmatSaveMatrix(), radonSetBases(), radonSetBasesEA(), and radonSetLORS().

◆ fact

unsigned short int*** PRMAT::fact

Coordinates and factors of pixels hit by a line of response. fact[row][pix][0]=x-coordinate && fact[row][pix][1]=y-coordinate && fact[row][pix][2]=factor.

Definition at line 208 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatGetCoord(), prmatGetFactor(), prmatGetXCoord(), prmatGetYCoord(), prmatInit(), prmatReadMatrix(), prmatSaveMatrix(), radonSetBases(), radonSetBasesEA(), and radonSetLORS().

◆ factor_sqr_sum

float* PRMAT::factor_sqr_sum

Square sums of factors in each row in the projection matrix.

Definition at line 202 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatEmpty(), prmatGetFactorSqrSum(), prmatInit(), prmatReadMatrix(), radonSetBases(), radonSetBasesEA(), and radonSetLORS().

◆ factor_sum

float PRMAT::factor_sum

The sum of all factors in the projection matrix.

Definition at line 183 of file libtpcrec.h.

Referenced by prmatGetFactorSum(), prmatInit(), prmatReadMatrix(), prmatSaveMatrix(), radonSetBases(), and radonSetBasesEA().

◆ imgDim

unsigned int PRMAT::imgDim

Scanner geometrics, field imgDim.

Definition at line 172 of file libtpcrec.h.

Referenced by prmatGetCoord(), prmatGetID(), prmatReadMatrix(), prmatSaveMatrix(), radonSetBases(), and radonSetBasesEA().

◆ lines

unsigned int** PRMAT::lines

Coordinates of a pixel, number of lines of response intersecting the pixel and the coordinates of coincidence lines (nrp x (lines + 2) array). lines[row][0] = pixel coordinates , lines[row][1] = lines hitting a pixel.

Definition at line 194 of file libtpcrec.h.

Referenced by prmatAllocate(), prmatGetBinView(), prmatGetPixCoord(), prmatGetRays(), prmatInit(), and prmatReadMatrix().