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#include <itkCenteredTransformInitializer2.h>
CenteredTransformInitializer2 is a helper class intended to initialize the center of rotation and the translation of Transforms having the center of rotation among their parameters.
This class is connected to the fixed image, moving image and transform involved in the registration. Three modes of operation are possible:
In the first mode, the geometrical center of the fixed image is passed as initial center of rotation to the transform and the vector from the center of the fixed image to the center of the moving image is passed as the initial translation. This mode basically assumes that the anatomical objects to be registered are centered in their respective images. Hence the best initial guess for the registration is the one that superimposes those two centers.
In the second mode, the moments of gray level values are computed for both images. The center of mass of the moving image is then used as center of rotation. The vector between the two centers of mass is passes as the initial translation to the transform. This second approach assumes that the moments of the anatomical objects are similar for both images and hence the best initial guess for registration is to superimpose both mass centers. Note that this assumption will probably not hold in multi-modality registration.
In the third mode, the vector from the coordinates (0,0,0) of the fixed image to the coordinates (0,0,0) of the moving image is passed as the initial translation T and the geometrical center of the moving image, translated by inv(T), is passed as initial center of rotation to the transform.
In the fourth mode, the world coordinates of the eight corner points of both images are determined. For both images, the minimum of the elements of world coordinates is taken and the initial translation is taken to be the vector pointing from the minimum coordinates of the fixed image to the minimum coordinates of the moving image. The rotation point is set to the center of the fixed image. Note that this method does not make sense for 2D images, in that case the result will be equal to Geometrical method.
Definition at line 94 of file itkCenteredTransformInitializer2.h.
Public Types | |
typedef SmartPointer< const Self > | ConstPointer |
typedef FixedImageCalculatorType::Pointer | FixedImageCalculatorPointer |
typedef ImageMomentsCalculator< FixedImageType > | FixedImageCalculatorType |
typedef FixedImageMaskType::ConstPointer | FixedImageMaskPointer |
typedef Image< unsigned char, InputSpaceDimension > | FixedImageMaskType |
typedef FixedImageType::ConstPointer | FixedImagePointer |
typedef TFixedImage | FixedImageType |
typedef TransformType::InputPointType | InputPointType |
typedef MovingImageCalculatorType::Pointer | MovingImageCalculatorPointer |
typedef ImageMomentsCalculator< MovingImageType > | MovingImageCalculatorType |
typedef MovingImageMaskType::ConstPointer | MovingImageMaskPointer |
typedef Image< unsigned char, OutputSpaceDimension > | MovingImageMaskType |
typedef MovingImageType::ConstPointer | MovingImagePointer |
typedef TMovingImage | MovingImageType |
typedef TransformType::OffsetType | OffsetType |
typedef TransformType::OutputVectorType | OutputVectorType |
typedef SmartPointer< Self > | Pointer |
typedef CenteredTransformInitializer2 | Self |
typedef Object | Superclass |
typedef TransformType::Pointer | TransformPointer |
typedef TTransform | TransformType |
Public Member Functions | |
void | GeometryOn () |
void | GeometryTopOn () |
virtual const char * | GetClassName () const |
virtual const FixedImageCalculatorType * | GetFixedCalculator () |
virtual const MovingImageCalculatorType * | GetMovingCalculator () |
virtual void | InitializeTransform () |
itkStaticConstMacro (InputSpaceDimension, unsigned int, TransformType::InputSpaceDimension) | |
itkStaticConstMacro (OutputSpaceDimension, unsigned int, TransformType::OutputSpaceDimension) | |
void | MomentsOn () |
void | OriginsOn () |
virtual void | SetFixedImage (const FixedImageType *_arg) |
virtual void | SetFixedImageMask (const FixedImageMaskType *_arg) |
virtual void | SetMovingImage (const MovingImageType *_arg) |
virtual void | SetMovingImageMask (const MovingImageMaskType *_arg) |
virtual void | SetTransform (TransformType *_arg) |
Static Public Member Functions | |
static Pointer | New () |
Protected Member Functions | |
CenteredTransformInitializer2 () | |
virtual TransformType * | GetTransform () |
void | PrintSelf (std::ostream &os, Indent indent) const |
~CenteredTransformInitializer2 () | |
Private Member Functions | |
CenteredTransformInitializer2 (const Self &) | |
void | operator= (const Self &) |
typedef SmartPointer< const Self > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::ConstPointer |
Definition at line 102 of file itkCenteredTransformInitializer2.h.
typedef FixedImageCalculatorType::Pointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImageCalculatorPointer |
Definition at line 139 of file itkCenteredTransformInitializer2.h.
typedef ImageMomentsCalculator< FixedImageType > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImageCalculatorType |
Moment calculators
Definition at line 134 of file itkCenteredTransformInitializer2.h.
typedef FixedImageMaskType::ConstPointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImageMaskPointer |
Definition at line 129 of file itkCenteredTransformInitializer2.h.
typedef Image< unsigned char, InputSpaceDimension > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImageMaskType |
Definition at line 127 of file itkCenteredTransformInitializer2.h.
typedef FixedImageType::ConstPointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImagePointer |
Definition at line 124 of file itkCenteredTransformInitializer2.h.
typedef TFixedImage itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::FixedImageType |
Image Types to use in the initialization of the transform
Definition at line 121 of file itkCenteredTransformInitializer2.h.
typedef TransformType::InputPointType itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::InputPointType |
Point type.
Definition at line 148 of file itkCenteredTransformInitializer2.h.
typedef MovingImageCalculatorType::Pointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImageCalculatorPointer |
Definition at line 141 of file itkCenteredTransformInitializer2.h.
typedef ImageMomentsCalculator< MovingImageType > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImageCalculatorType |
Definition at line 136 of file itkCenteredTransformInitializer2.h.
typedef MovingImageMaskType::ConstPointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImageMaskPointer |
Definition at line 130 of file itkCenteredTransformInitializer2.h.
typedef Image< unsigned char, OutputSpaceDimension > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImageMaskType |
Definition at line 128 of file itkCenteredTransformInitializer2.h.
typedef MovingImageType::ConstPointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImagePointer |
Definition at line 125 of file itkCenteredTransformInitializer2.h.
typedef TMovingImage itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::MovingImageType |
Definition at line 122 of file itkCenteredTransformInitializer2.h.
typedef TransformType::OffsetType itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::OffsetType |
Offset type.
Definition at line 145 of file itkCenteredTransformInitializer2.h.
typedef TransformType::OutputVectorType itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::OutputVectorType |
Vector type.
Definition at line 151 of file itkCenteredTransformInitializer2.h.
typedef SmartPointer< Self > itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::Pointer |
Definition at line 101 of file itkCenteredTransformInitializer2.h.
typedef CenteredTransformInitializer2 itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::Self |
Standard class typedefs.
Definition at line 99 of file itkCenteredTransformInitializer2.h.
typedef Object itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::Superclass |
Definition at line 100 of file itkCenteredTransformInitializer2.h.
typedef TransformType::Pointer itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::TransformPointer |
Definition at line 112 of file itkCenteredTransformInitializer2.h.
typedef TTransform itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::TransformType |
Type of the transform to initialize
Definition at line 108 of file itkCenteredTransformInitializer2.h.
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Definition at line 182 of file itkCenteredTransformInitializer2.h.
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Select between using the geometrical center of the images or using the center of mass given by the image intensities.
Definition at line 171 of file itkCenteredTransformInitializer2.h.
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Definition at line 174 of file itkCenteredTransformInitializer2.h.
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Run-time type information (and related methods).
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Get() access to the moments calculators
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Initialize the transform using data from the images
itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::itkStaticConstMacro | ( | InputSpaceDimension | , |
unsigned | int, | ||
TransformType::InputSpaceDimension | |||
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Dimension of parameters.
itk::CenteredTransformInitializer2< TTransform, TFixedImage, TMovingImage >::itkStaticConstMacro | ( | OutputSpaceDimension | , |
unsigned | int, | ||
TransformType::OutputSpaceDimension | |||
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Definition at line 172 of file itkCenteredTransformInitializer2.h.
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New macro for creation of through a Smart Pointer.
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Definition at line 173 of file itkCenteredTransformInitializer2.h.
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Set the fixed image used in the registration process
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Mask support.
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Set the moving image used in the registration process
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Set the transform to be initialized
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Definition at line 204 of file itkCenteredTransformInitializer2.h.
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Definition at line 195 of file itkCenteredTransformInitializer2.h.
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Definition at line 197 of file itkCenteredTransformInitializer2.h.
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Definition at line 205 of file itkCenteredTransformInitializer2.h.
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Definition at line 196 of file itkCenteredTransformInitializer2.h.
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Definition at line 198 of file itkCenteredTransformInitializer2.h.
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Definition at line 193 of file itkCenteredTransformInitializer2.h.
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Definition at line 200 of file itkCenteredTransformInitializer2.h.
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Definition at line 201 of file itkCenteredTransformInitializer2.h.
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Definition at line 202 of file itkCenteredTransformInitializer2.h.
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