Functional for spline warp congealing. More...

#include <cmtkSplineWarpCongealingFunctional.h>

Inheritance diagram for cmtk::SplineWarpCongealingFunctional:

Collaboration diagram for cmtk::SplineWarpCongealingFunctional:

Classes
class	EvaluateLocalGradientThreadParameters
	Thread function parameters for image interpolation. More...
class	EvaluateThreadParameters
	Thread parameter for entropy evaluation. More...
class	StaticThreadStorage
	Class for static thread storage to avoid recurring memory allocations. More...
Public Types
typedef CongealingFunctional < SplineWarpXform >	Superclass
	Type of parent class.
typedef Superclass::HistogramType	HistogramType
	Superclass histogram type.
typedef SplineWarpCongealingFunctional	Self
	Type of this class.
typedef SmartPointer< Self >	SmartPtr
	Smart pointer.
Public Member Functions
virtual void	InitializeXformsFromAffine (const Types::Coordinate gridSpacing, std::vector< AffineXform::SmartPtr > initialAffineXformsVector, const bool exactSpacing=true)
	Initialize spline warp transformations.
virtual void	RefineTransformationGrids ()
	Refine transformation control point grids.
virtual void	SetTemplateGrid (UniformVolume::SmartPtr &templateGrid, const int downsample=1, const bool useTemplateData=false)
	Call inherited function and allocate local storage.
virtual Self::ReturnType	Evaluate ()
	Evaluate functional with currently set parameters.
virtual Self::ReturnType	EvaluateAt (CoordinateVector &v)
	Evaluate functional and set parameters.
virtual Self::ReturnType	EvaluateWithGradient (CoordinateVector &v, CoordinateVector &g, const Types::Coordinate step=1)
	Compute functional value and gradient.
Private Member Functions
virtual void	UpdateActiveControlPoints ()
	Update deactivated control points.
virtual void	UpdateStandardDeviationByPixel ()
	Update standard deviation by pixel.
Static Private Member Functions
static void	EvaluateThread (void *args, const size_t taskIdx, const size_t taskCnt, const size_t threadIdx, const size_t)
	Evaluate functional with currently set parameters.
static CMTK_THREAD_RETURN_TYPE	EvaluateLocalGradientThreadFunc (void *args)
	Thread function: Compute local gradient of the cost function for gradient approximation.
Private Attributes
std::vector< double >	m_EntropyByPixel
	Entropies over all images by pixel for fast local recomputation.
size_t	m_ControlPointIndexNext
	Index of next control point to be processed by an available thread.
size_t	m_ControlPointIndexLast
	Index of (last control point + 1) to be processed by an available thread.
MutexLock	m_ControlPointIndexLock
	Mutex lock for control point queue.
std::vector< StaticThreadStorage >	m_StaticThreadStorage
	Static thread storage array.

Detailed Description

Functional for spline warp congealing.

This functional evaluates Lilla Zollei's entropy criterion for massively groupwise image registration.

References

[1] L . Zoellei, E. Learned-Miller, E. Grimson, W.M. Wells III: "Efficient Population Registration of 3D Data", ICCV 2005, Computer Vision for Biomedical Image Applications; Beijing, China

Definition at line 70 of file cmtkSplineWarpCongealingFunctional.h.