zxhMetricMIFFD Class Reference

MIconstraint + FFD (mainly for FFD+SEMI) For similarity/ gradient computation, apply ResampleTestImagesSpacingPhysIntervel first. More...

#include <zxhMetricMIFFD.h>

Inheritance diagram for zxhMetricMIFFD:

List of all members.

Public Member Functions
	zxhMetricMIFFD (void)
	constructor
	~zxhMetricMIFFD (void)
virtual std::string	GetMetricType ()
virtual zxhMetricBase *	Clone (zxhMetricBase *&pRet)
virtual int	ComputeConstanceForFFDGradient ()
	pre compute:
virtual int	GetValue (zxhlfloat &fvalue)
virtual int	GetValueByFFDGrid (zxhlfloat &fValue, int aiCtrPnt[ImageDimensionMax])
	for MixtureProbabilityModel ONLY
virtual int	GetDiffByFFDGrid (float *afPD, zxhTransformFFDBase *pFFDGrid, int *aiCtrPnt, zxhTransformFFDBase *pDifferential)
	Re-implemented: for semi (GetDiffByFFDGridForMMI); for mi (GetFiniteDiffByFFDGrid)
virtual int	GetDiffByFFDGridOnFFDPhysicalVector (float *afPD, zxhTransformFFDBase *pFFDGrid, int *aiCtrPnt, zxhTransformFFDBase *pDifferential, float *vector)
	currently using finite difference(no AddFiniteDiffPenaltyByFFDGrid yet)
Protected Member Functions
virtual int	GetFiniteDiffByFFDGrid (float *afPD, zxhTransformFFDBase *pFFDGrid, int *aiCtrPnt, zxhTransformFFDBase *pDifferential)
virtual int	GetFiniteDiffByFFDGridOnVector (float *afPD, zxhTransformFFDBase *pFFDGrid, int *aiCtrPnt, zxhTransformFFDBase *pDifferential, float *vector)
virtual int	GetDiffByFFDGridForMMI (float *afPD, zxhTransformFFDBase *pFFDGrid, int *aiCtrPnt, zxhTransformFFDBase *pDifferential)
virtual int	ComputeHistogramFromPDF4DFFD (zxhlfloat *&afPDF, zxhlfloat &fTotalFreq, float xfTestFrom, float xfTestTo, float yfTestFrom, float yfTestTo, float zfTestFrom, float zfTestTo, float tfTestFrom, float tfTestTo)
virtual int	ComputeHistogramForControlPoint (zxhlfloat *&afPDF, zxhlfloat &fTotalFreq, int aiCtrPnt[ImageDimensionMax])
virtual void	SetFFDMetricBase ()
	this function is to remind of setting m_pMetricBase in non-abstract derived class

---

Detailed Description

MIconstraint + FFD (mainly for FFD+SEMI) For similarity/ gradient computation, apply ResampleTestImagesSpacingPhysIntervel first.

---

Constructor & Destructor Documentation

zxhMetricMIFFD::~zxhMetricMIFFD

(

void

)

Returns:

---

Member Function Documentation

zxhMetricBase * zxhMetricMIFFD::Clone

(

zxhMetricBase *&

pRet

)

[virtual]

Returns:

Reimplemented from zxhMetricMIConstraint.

Reimplemented in zxhMetricMIFFDSEMI.

int zxhMetricMIFFD::ComputeHistogramForControlPoint	(	zxhlfloat *&	afPDF,
		zxhlfloat &	fTotalFreq,
		int	aiCtrPnt[ImageDimensionMax]
	)		[protected, virtual]

all point in control point local support volume are treated, if outlier or masked-out, then treated as background -> MI (call ComputeHistogramFromPDF4DFFD); -> MMI implement again 1) Sample on test image grid and pre transform field image grid (xfTestFrom would be change to integral), assuming pre transform field images are the same Dim Size Spacing as resampled test image and samplephysical 2) Using pre compute instead of TransformWorldToWorld

1) Sample on test image grid and pre transform field image grid (xfTestFrom would be change to integral), assuming pre transform field images are the same Dim Size Spacing as resampled test image and samplephysical 2) Using pre compute instead of TransformWorldToWorld

int zxhMetricMIFFD::ComputeHistogramFromPDF4DFFD	(	zxhlfloat *&	afPDF,
		zxhlfloat &	fTotalFreq,
		float	xfTestFrom,
		float	xfTestTo,
		float	yfTestFrom,
		float	yfTestTo,
		float	zfTestFrom,
		float	zfTestTo,
		float	tfTestFrom,
		float	tfTestTo
	)		[protected, virtual]

TO avoid border control points only for MI (not MMI) 1) Sample on test image grid and pre transform field image grid (xfTestFrom would be change to integral), assuming pre transform field images are the same Dim Size Spacing as resampled test image and samplephysical 2) Using pre compute instead of TransformWorldToWorld

1) Sample on test image grid and pre transform field image grid (xfTestFrom would be change to integral), assuming pre transform field images are the same Dim Size Spacing as resampled test image and samplephysical 2) Using pre compute instead of TransformWorldToWorld

int zxhMetricMIFFD::GetDiffByFFDGridOnFFDPhysicalVector	(	float *	afPD,
		zxhTransformFFDBase *	pFFDGrid,
		int *	aiCtrPnt,
		zxhTransformFFDBase *	pDifferential,
		float *	vector
	)		[virtual]

currently using finite difference(no AddFiniteDiffPenaltyByFFDGrid yet)

1 compute the current trans on current local volume : FreqCurr, PDFCurr = tatal - currentvolume

2 forward

3 backward

4 return to current position

compute the value

Reimplemented from zxhMetricFFDBase.

int zxhMetricMIFFD::GetFiniteDiffByFFDGrid	(	float *	afPD,
		zxhTransformFFDBase *	pFFDGrid,
		int *	aiCtrPnt,
		zxhTransformFFDBase *	pDifferential
	)		[protected, virtual]

1 compute the current trans on current local volume : = tatal - currentvolume

for each dimension

2 forward

4 return to current position

compute the value

4 return to current position

compute the value

int zxhMetricMIFFD::GetFiniteDiffByFFDGridOnVector	(	float *	afPD,
		zxhTransformFFDBase *	pFFDGrid,
		int *	aiCtrPnt,
		zxhTransformFFDBase *	pDifferential,
		float *	vector
	)		[protected, virtual]

1 compute the current trans on current local volume : FreqCurr, PDFCurr = tatal - currentvolume

2 forward

return to current position

3 backward

return to current position

compute the value

int zxhMetricMIFFD::GetValue

(

zxhlfloat &

fValue

)

[virtual]

Returns:

similarity and number of computed pixel pair

Reimplemented from zxhMetricMIConstraint.

Reimplemented in zxhMetricMIFFDSEMI.

int zxhMetricMIFFD::GetValueByFFDGrid	(	zxhlfloat &	fValue,
		int	aiCtrPnt[ImageDimensionMax]
	)		[virtual]

for MixtureProbabilityModel ONLY

This is NOLY for MixtureProbabilityModel m_afHistogram, m_fTotalFreq have been precomputed for this control point in EvaluateMMIpositionWeightedHistogram() of GetDiffByFFDGridForMMI

Implements zxhMetricFFDBase.

---

The documentation for this class was generated from the following files:

• zxhMetricMIFFD.h
• zxhMetricMIFFD.cpp