SimpleITK Filters

Filter Name	Brief Description
AbsImageFilter	Computes the absolute value of each pixel.
AbsoluteValueDifferenceImageFilter	Implements pixel-wise the computation of absolute value difference.
AcosImageFilter	Computes the inverse cosine of each pixel.
AdaptiveHistogramEqualizationImageFilter	Power Law Adaptive Histogram Equalization.
AddImageFilter	Pixel-wise addition of two images.
AdditiveGaussianNoiseImageFilter	Alter an image with additive Gaussian white noise.
AggregateLabelMapFilter	Collapses all labels into the first label.
AndImageFilter	Implements the AND bitwise operator pixel-wise between two images.
AntiAliasBinaryImageFilter	A method for estimation of a surface from a binary volume.
ApproximateSignedDistanceMapImageFilter	Create a map of the approximate signed distance from the boundaries of a binary image.
AsinImageFilter	Computes the sine of each pixel.
Atan2ImageFilter	Computes two argument inverse tangent.
AtanImageFilter	Computes the one-argument inverse tangent of each pixel.
BSplineDecompositionImageFilter	Calculates the B-Spline coefficients of an image. Spline order may be from 0 to 5.
BilateralImageFilter	Blurs an image while preserving edges.
BinShrinkImageFilter	Reduce the size of an image by an integer factor in each dimension while performing averaging of an input neighborhood.
BinaryClosingByReconstructionImageFilter	binary closing by reconstruction of an image.
BinaryContourImageFilter	Labels the pixels on the border of the objects in a binary image.
BinaryDilateImageFilter	Fast binary dilation of a single intensity value in the image.
BinaryErodeImageFilter	Fast binary erosion of a single intensity value in the image.
BinaryFillholeImageFilter	Remove holes not connected to the boundary of the image.
BinaryGrindPeakImageFilter	Remove the objects not connected to the boundary of the image.
BinaryImageToLabelMapFilter	Label the connected components in a binary image and produce a collection of label objects.
BinaryMagnitudeImageFilter	Computes the square root of the sum of squares of corresponding input pixels.
BinaryMedianImageFilter	Applies a version of the median filter optimized for binary images.
BinaryMinMaxCurvatureFlowImageFilter	Denoise a binary image using min/max curvature flow.
BinaryMorphologicalClosingImageFilter	binary morphological closing of an image.
BinaryMorphologicalOpeningImageFilter	binary morphological opening of an image.
BinaryNotImageFilter	Implements the BinaryNot logical operator pixel-wise between two images.
BinaryOpeningByReconstructionImageFilter	binary morphological closing of an image.
BinaryProjectionImageFilter	Binary projection.
BinaryPruningImageFilter	This filter removes “spurs” of less than a certain length in the input image.
BinaryReconstructionByDilationImageFilter	binary reconstruction by dilation of an image
BinaryReconstructionByErosionImageFilter	binary reconstruction by erosion of an image
BinaryThinningImageFilter	This filter computes one-pixel-wide edges of the input image.
BinaryThresholdImageFilter	Binarize an input image by thresholding.
BinaryThresholdProjectionImageFilter	BinaryThreshold projection.
BinomialBlurImageFilter	Performs a separable blur on each dimension of an image.
BitwiseNotImageFilter	Implements pixel-wise generic operation on one image.
BlackTopHatImageFilter	Black top hat extracts local minima that are smaller than the structuring element.
BoundedReciprocalImageFilter	Computes 1/(1+x) for each pixel in the image.
BoxMeanImageFilter	Implements a fast rectangular mean filter using the accumulator approach.
BoxSigmaImageFilter	Implements a fast rectangular sigma filter using the accumulator approach.
CannyEdgeDetectionImageFilter	This filter is an implementation of a Canny edge detector for scalar-valued images.
CannySegmentationLevelSetImageFilter	Segments structures in images based on image features derived from pseudo-canny-edges.
ChangeLabelImageFilter	Change Sets of Labels.
ChangeLabelLabelMapFilter	Replace the label Ids of selected LabelObjects with new label Ids.
CheckerBoardImageFilter	Combines two images in a checkerboard pattern.
ClampImageFilter	Casts input pixels to output pixel type and clamps the output pixel values to a specified range.
ClosingByReconstructionImageFilter	Closing by reconstruction of an image.
CoherenceEnhancingDiffusionImageFilter	Coherence enhancing diffusion and edge enhancing diffusion.
CollidingFrontsImageFilter	Selects a region of space where two independent fronts run towards each other.
ComplexToImaginaryImageFilter	Computes pixel-wise the imaginary part of a complex image.
ComplexToModulusImageFilter	Computes pixel-wise the Modulus of a complex image.
ComplexToPhaseImageFilter	Computes pixel-wise the modulus of a complex image.
ComplexToRealImageFilter	Computes pixel-wise the real(x) part of a complex image.
ComposeImageFilter	ComposeImageFilter combine several scalar images into a multicomponent image.
ConfidenceConnectedImageFilter	Segment pixels with similar statistics using connectivity.
ConnectedComponentImageFilter	Label the objects in a binary image.
ConnectedThresholdImageFilter	Label pixels that are connected to a seed and lie within a range of values.
ConstantPadImageFilter	Increase the image size by padding with a constant value.
ConvolutionImageFilter	Convolve a given image with an arbitrary image kernel.
CosImageFilter	Computes the cosine of each pixel.
CropImageFilter	Decrease the image size by cropping the image by an itk::Size at both the upper and lower bounds of the largest possible region.
CurvatureAnisotropicDiffusionImageFilter
CurvatureFlowImageFilter	Denoise an image using curvature driven flow.
CyclicShiftImageFilter	Perform a cyclic spatial shift of image intensities on the image grid.
DanielssonDistanceMapImageFilter	This filter computes the distance map of the input image as an approximation with pixel accuracy to the Euclidean distance.
DemonsRegistrationFilter	Deformably register two images using the demons algorithm.
DerivativeImageFilter	Computes the directional derivative of an image. The directional derivative at each pixel location is computed by convolution with a derivative operator of user-specified order.
DiffeomorphicDemonsRegistrationFilter	Deformably register two images using a diffeomorphic demons algorithm.
DilateObjectMorphologyImageFilter	dilation of an object in an image
DiscreteGaussianDerivativeImageFilter	Calculates image derivatives using discrete derivative gaussian kernels. This filter calculates Gaussian derivative by separable convolution of an image and a discrete Gaussian derivative operator (kernel).
DiscreteGaussianImageFilter	Blurs an image by separable convolution with discrete gaussian kernels. This filter performs Gaussian blurring by separable convolution of an image and a discrete Gaussian operator (kernel).
DisplacementFieldJacobianDeterminantFilter	Computes a scalar image from a vector image (e.g., deformation field) input, where each output scalar at each pixel is the Jacobian determinant of the vector field at that location. This calculation is correct in the case where the vector image is a “displacement” from the current location. The computation for the jacobian determinant is: det[ dT/dx ] = det[ I + du/dx ].
DivideFloorImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
DivideImageFilter	Pixel-wise division of two images.
DivideRealImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
DoubleThresholdImageFilter	Binarize an input image using double thresholding.
EdgePotentialImageFilter	Computes the edge potential of an image from the image gradient.
EqualImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
ErodeObjectMorphologyImageFilter	Erosion of an object in an image.
ExpImageFilter	Computes the exponential function of each pixel.
ExpNegativeImageFilter	Computes the function exp(-K.x) for each input pixel.
ExpandImageFilter	Expand the size of an image by an integer factor in each dimension.
ExtractImageFilter	Decrease the image size by cropping the image to the selected region bounds.
FFTConvolutionImageFilter	Convolve a given image with an arbitrary image kernel using multiplication in the Fourier domain.
FFTNormalizedCorrelationImageFilter	Calculate normalized cross correlation using FFTs.
FFTPadImageFilter	Pad an image to make it suitable for an FFT transformation.
FFTShiftImageFilter	Shift the zero-frequency components of a Fourier transform to the center of the image.
FastApproximateRankImageFilter	A separable rank filter.
FastMarchingBaseImageFilter	Apply the Fast Marching method to solve an Eikonal equation on an image.
FastMarchingImageFilter	Solve an Eikonal equation using Fast Marching.
FastMarchingUpwindGradientImageFilter	Generates the upwind gradient field of fast marching arrival times.
FastSymmetricForcesDemonsRegistrationFilter	Deformably register two images using a symmetric forces demons algorithm.
FlipImageFilter	Flips an image across user specified axes.
ForwardFFTImageFilter	Base class for forward Fast Fourier Transform .
GaborImageSource	Generate an n-dimensional image of a Gabor filter.
GaussianImageSource	Generate an n-dimensional image of a Gaussian.
GeodesicActiveContourLevelSetImageFilter	Segments structures in images based on a user supplied edge potential map.
GradientAnisotropicDiffusionImageFilter
GradientImageFilter	Computes the gradient of an image using directional derivatives.
GradientMagnitudeImageFilter	Computes the gradient magnitude of an image region at each pixel.
GradientMagnitudeRecursiveGaussianImageFilter	Computes the Magnitude of the Gradient of an image by convolution with the first derivative of a Gaussian.
GradientRecursiveGaussianImageFilter	Computes the gradient of an image by convolution with the first derivative of a Gaussian.
GrayscaleConnectedClosingImageFilter	Enhance pixels associated with a dark object (identified by a seed pixel) where the dark object is surrounded by a brighter object.
GrayscaleConnectedOpeningImageFilter	Enhance pixels associated with a bright object (identified by a seed pixel) where the bright object is surrounded by a darker object.
GrayscaleDilateImageFilter	Grayscale dilation of an image.
GrayscaleErodeImageFilter	Grayscale erosion of an image.
GrayscaleFillholeImageFilter	Remove local minima not connected to the boundary of the image.
GrayscaleGeodesicDilateImageFilter	geodesic gray scale dilation of an image
GrayscaleGeodesicErodeImageFilter	geodesic gray scale erosion of an image
GrayscaleGrindPeakImageFilter	Remove local maxima not connected to the boundary of the image.
GrayscaleMorphologicalClosingImageFilter	gray scale dilation of an image
GrayscaleMorphologicalOpeningImageFilter	gray scale dilation of an image
GreaterEqualImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
GreaterImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
GridImageSource	Generate an n-dimensional image of a grid.
HConcaveImageFilter	Identify local minima whose depth below the baseline is greater than h.
HConvexImageFilter	Identify local maxima whose height above the baseline is greater than h.
HMaximaImageFilter	Suppress local maxima whose height above the baseline is less than h.
HMinimaImageFilter	Suppress local minima whose depth below the baseline is less than h.
HalfHermitianToRealInverseFFTImageFilter	Base class for specialized complex-to-real inverse Fast Fourier Transform .
HausdorffDistanceImageFilter	Computes the Hausdorff distance between the set of non-zero pixels of two images.
HistogramMatchingImageFilter	Normalize the grayscale values for a source image by matching the shape of the source image histogram to a reference histogram.
HuangThresholdImageFilter	Threshold an image using the Huang Threshold.
IntensityWindowingImageFilter	Applies a linear transformation to the intensity levels of the input Image that are inside a user-defined interval. Values below this interval are mapped to a constant. Values over the interval are mapped to another constant.
IntermodesThresholdImageFilter	Threshold an image using the Intermodes Threshold.
InverseDeconvolutionImageFilter	The direct linear inverse deconvolution filter.
InverseDisplacementFieldImageFilter	Computes the inverse of a displacement field.
InverseFFTImageFilter	Base class for inverse Fast Fourier Transform .
InvertDisplacementFieldImageFilter	Iteratively estimate the inverse field of a displacement field.
InvertIntensityImageFilter	Invert the intensity of an image.
IsoContourDistanceImageFilter	Compute an approximate distance from an interpolated isocontour to the close grid points.
IsoDataThresholdImageFilter	Threshold an image using the IsoData Threshold.
IsolatedConnectedImageFilter	Label pixels that are connected to one set of seeds but not another.
IsolatedWatershedImageFilter	Isolate watershed basins using two seeds.
IterativeInverseDisplacementFieldImageFilter	Computes the inverse of a displacement field.
JoinSeriesImageFilter	Join N-D images into an (N+1)-D image.
KittlerIllingworthThresholdImageFilter	Threshold an image using the KittlerIllingworth Threshold.
LabelContourImageFilter	Labels the pixels on the border of the objects in a labeled image.
LabelImageToLabelMapFilter	convert a labeled image to a label collection image
LabelIntensityStatisticsImageFilter	a convenient class to convert a label image to a label map and valuate the statistics attributes at once
LabelMapContourOverlayImageFilter	Apply a colormap to the contours (outlines) of each object in a label map and superimpose it on top of the feature image.
LabelMapMaskImageFilter	Mask and image with a LabelMap .
LabelMapOverlayImageFilter	Apply a colormap to a label map and superimpose it on an image.
LabelMapToBinaryImageFilter	Convert a LabelMap to a binary image.
LabelMapToLabelImageFilter	Converts a LabelMap to a labeled image.
LabelMapToRGBImageFilter	Convert a LabelMap to a colored image.
LabelOverlapMeasuresImageFilter	Computes overlap measures between the set same set of labels of pixels of two images. Background is assumed to be 0.
LabelOverlayImageFilter	Apply a colormap to a label image and put it on top of the input image.
LabelSetDilateImageFilter	Class for binary morphological erosion of label images.
LabelSetErodeImageFilter	Class for binary morphological erosion of label images.
LabelShapeStatisticsImageFilter	Converts a label image to a label map and valuates the shape attributes.
LabelStatisticsImageFilter	Given an intensity image and a label map, compute min, max, variance and mean of the pixels associated with each label or segment.
LabelToRGBImageFilter	Apply a colormap to a label image.
LabelUniqueLabelMapFilter	Make sure that the objects are not overlapping.
LabelVotingImageFilter	This filter performs pixelwise voting among an arbitrary number of input images, where each of them represents a segmentation of the same scene (i.e., image).
LandweberDeconvolutionImageFilter	Deconvolve an image using the Landweber deconvolution algorithm.
LaplacianImageFilter
LaplacianRecursiveGaussianImageFilter	Computes the Laplacian of Gaussian (LoG) of an image.
LaplacianSegmentationLevelSetImageFilter	Segments structures in images based on a second derivative image features.
LaplacianSharpeningImageFilter	This filter sharpens an image using a Laplacian. LaplacianSharpening highlights regions of rapid intensity change and therefore highlights or enhances the edges. The result is an image that appears more in focus.
LessEqualImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
LessImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
LevelSetMotionRegistrationFilter	Deformably register two images using level set motion.
LiThresholdImageFilter	Threshold an image using the Li Threshold.
Log10ImageFilter	Computes the log10 of each pixel.
LogImageFilter	Computes the log() of each pixel.
MagnitudeAndPhaseToComplexImageFilter	Implements pixel-wise conversion of magnitude and phase data into complex voxels.
MaskImageFilter	Mask an image with a mask.
MaskNegatedImageFilter	Mask an image with the negation (or logical compliment) of a mask.
MaskedFFTNormalizedCorrelationImageFilter	Calculate masked normalized cross correlation using FFTs.
MaximumEntropyThresholdImageFilter	Threshold an image using the MaximumEntropy Threshold.
MaximumImageFilter	Implements a pixel-wise operator Max(a,b) between two images.
MaximumProjectionImageFilter	Maximum projection.
MeanImageFilter	Applies an averaging filter to an image.
MeanProjectionImageFilter	Mean projection.
MedianImageFilter	Applies a median filter to an image.
MedianProjectionImageFilter	Median projection.
MergeLabelMapFilter	Merges several Label Maps.
MinMaxCurvatureFlowImageFilter	Denoise an image using min/max curvature flow.
MinimumImageFilter	Implements a pixel-wise operator Min(a,b) between two images.
MinimumMaximumImageFilter	Computes the minimum and the maximum intensity values of an image.
MinimumProjectionImageFilter	Minimum projection.
MirrorPadImageFilter	Increase the image size by padding with replicants of the input image value.
ModulusImageFilter	Computes the modulus (x % dividend) pixel-wise.
MomentsThresholdImageFilter	Threshold an image using the Moments Threshold.
MorphologicalGradientImageFilter	gray scale dilation of an image
MorphologicalWatershedFromMarkersImageFilter	Morphological watershed transform from markers.
MorphologicalWatershedImageFilter	Watershed segmentation implementation with morphological operators.
MultiLabelSTAPLEImageFilter	This filter performs a pixelwise combination of an arbitrary number of input images, where each of them represents a segmentation of the same scene (i.e., image).
MultiplyImageFilter	Pixel-wise multiplication of two images.
N4BiasFieldCorrectionImageFilter	Implementation of the N4 bias field correction algorithm.
NaryAddImageFilter	Pixel-wise addition of N images.
NaryMaximumImageFilter	Computes the pixel-wise maximum of several images.
NeighborhoodConnectedImageFilter	Label pixels that are connected to a seed and lie within a neighborhood.
NoiseImageFilter	Calculate the local noise in an image.
NormalizeImageFilter	Normalize an image by setting its mean to zero and variance to one.
NormalizeToConstantImageFilter	Scales image pixel intensities to make the sum of all pixels equal a user-defined constant.
NormalizedCorrelationImageFilter	Computes the normalized correlation of an image and a template.
NotEqualImageFilter	Implements pixel-wise generic operation of two images, or of an image and a constant.
NotImageFilter	Implements the NOT logical operator pixel-wise on an image.
ObjectnessMeasureImageFilter	Enhance M-dimensional objects in N-dimensional images.
OpeningByReconstructionImageFilter	Opening by reconstruction of an image.
OrImageFilter	Implements the OR bitwise operator pixel-wise between two images.
OtsuMultipleThresholdsImageFilter	Threshold an image using multiple Otsu Thresholds.
OtsuThresholdImageFilter	Threshold an image using the Otsu Threshold.
PasteImageFilter	Paste an image into another image.
PatchBasedDenoisingImageFilter	Derived class implementing a specific patch-based denoising algorithm, as detailed below.
PermuteAxesImageFilter	Permutes the image axes according to a user specified order.
PhysicalPointImageSource	Generate an image of the physical locations of each pixel.
PowImageFilter	Computes the powers of 2 images.
ProjectedLandweberDeconvolutionImageFilter	Deconvolve an image using the projected Landweber deconvolution algorithm.
RankImageFilter	Rank filter of a greyscale image.
RealAndImaginaryToComplexImageFilter	ComposeImageFilter combine several scalar images into a multicomponent image.
RealToHalfHermitianForwardFFTImageFilter	Base class for specialized real-to-complex forward Fast Fourier Transform .
ReconstructionByDilationImageFilter	grayscale reconstruction by dilation of an image
ReconstructionByErosionImageFilter	grayscale reconstruction by erosion of an image
RecursiveGaussianImageFilter	Base class for computing IIR convolution with an approximation of a Gaussian kernel.
RegionOfInterestImageFilter	Extract a region of interest from the input image.
RegionalMaximaImageFilter	Produce a binary image where foreground is the regional maxima of the input image.
RegionalMinimaImageFilter	Produce a binary image where foreground is the regional minima of the input image.
RelabelComponentImageFilter	Relabel the components in an image such that consecutive labels are used.
RelabelLabelMapFilter	This filter relabels the LabelObjects; the new labels are arranged consecutively with consideration for the background value.
RenyiEntropyThresholdImageFilter	Threshold an image using the RenyiEntropy Threshold.
ResampleImageFilter	Resample an image via a coordinate transform.
RescaleIntensityImageFilter	Applies a linear transformation to the intensity levels of the input Image .
RichardsonLucyDeconvolutionImageFilter	Deconvolve an image using the Richardson-Lucy deconvolution algorithm.
RoundImageFilter	Rounds the value of each pixel.
SLICImageFilter	Simple Linear Iterative Clustering (SLIC) super-pixel segmentation.
STAPLEImageFilter	The STAPLE filter implements the Simultaneous Truth and Performance Level Estimation algorithm for generating ground truth volumes from a set of binary expert segmentations.
SaltAndPepperNoiseImageFilter	Alter an image with fixed value impulse noise, often called salt and pepper noise.
ScalarChanAndVeseDenseLevelSetImageFilter	Dense implementation of the Chan and Vese multiphase level set image filter.
ScalarConnectedComponentImageFilter	A connected components filter that labels the objects in an arbitrary image. Two pixels are similar if they are within threshold of each other. Uses ConnectedComponentFunctorImageFilter .
ScalarImageKmeansImageFilter	Classifies the intensity values of a scalar image using the K-Means algorithm.
ScalarToRGBColormapImageFilter	Implements pixel-wise intensity->rgb mapping operation on one image.
ShanbhagThresholdImageFilter	Threshold an image using the Shanbhag Threshold.
ShapeDetectionLevelSetImageFilter	Segments structures in images based on a user supplied edge potential map.
ShiftScaleImageFilter	Shift and scale the pixels in an image.
ShotNoiseImageFilter	Alter an image with shot noise.
ShrinkImageFilter	Reduce the size of an image by an integer factor in each dimension.
SigmoidImageFilter	Computes the sigmoid function pixel-wise.
SignedDanielssonDistanceMapImageFilter
SignedMaurerDistanceMapImageFilter	This filter calculates the Euclidean distance transform of a binary image in linear time for arbitrary dimensions.
SimilarityIndexImageFilter	Measures the similarity between the set of non-zero pixels of two images.
SimpleContourExtractorImageFilter	Computes an image of contours which will be the contour of the first image.
SinImageFilter	Computes the sine of each pixel.
SliceImageFilter	Slices an image based on a starting index and a stopping index, and a step size.
SmoothingRecursiveGaussianImageFilter	Computes the smoothing of an image by convolution with the Gaussian kernels implemented as IIR filters.
SobelEdgeDetectionImageFilter	A 2D or 3D edge detection using the Sobel operator.
SpeckleNoiseImageFilter	Alter an image with speckle (multiplicative) noise.
SqrtImageFilter	Computes the square root of each pixel.
SquareImageFilter	Computes the square of the intensity values pixel-wise.
SquaredDifferenceImageFilter	Implements pixel-wise the computation of squared difference.
StandardDeviationProjectionImageFilter	Mean projection.
StatisticsImageFilter	Compute min, max, variance and mean of an Image .
StochasticFractalDimensionImageFilter	This filter computes the stochastic fractal dimension of the input image.
SubtractImageFilter	Pixel-wise subtraction of two images.
SumProjectionImageFilter	Sum projection.
SymmetricForcesDemonsRegistrationFilter	Deformably register two images using the demons algorithm.
TanImageFilter	Computes the tangent of each input pixel.
TernaryAddImageFilter	Pixel-wise addition of three images.
TernaryMagnitudeImageFilter	Compute the pixel-wise magnitude of three images.
TernaryMagnitudeSquaredImageFilter	Compute the pixel-wise squared magnitude of three images.
ThresholdImageFilter	Set image values to a user-specified value if they are below, above, or between simple threshold values.
ThresholdMaximumConnectedComponentsImageFilter	Finds the threshold value of an image based on maximizing the number of objects in the image that are larger than a given minimal size.
ThresholdSegmentationLevelSetImageFilter	Segments structures in images based on intensity values.
TikhonovDeconvolutionImageFilter	An inverse deconvolution filter regularized in the Tikhonov sense.
TileImageFilter	Tile multiple input images into a single output image.
TobogganImageFilter	toboggan image segmentation The Toboggan segmentation takes a gradient magnitude image as input and produces an (over-)segmentation of the image based on connecting each pixel to a local minimum of gradient. It is roughly equivalent to a watershed segmentation of the lowest level.
TransformToDisplacementFieldFilter	Generate a displacement field from a coordinate transform.
TriangleThresholdImageFilter	Threshold an image using the Triangle Threshold.
UnaryMinusImageFilter	Implements pixel-wise generic operation on one image.
UnsharpMaskImageFilter	Edge enhancement filter.
ValuedRegionalMaximaImageFilter	Transforms the image so that any pixel that is not a regional maxima is set to the minimum value for the pixel type. Pixels that are regional maxima retain their value.
ValuedRegionalMinimaImageFilter	Transforms the image so that any pixel that is not a regional minima is set to the maximum value for the pixel type. Pixels that are regional minima retain their value.
VectorConfidenceConnectedImageFilter	Segment pixels with similar statistics using connectivity.
VectorConnectedComponentImageFilter	A connected components filter that labels the objects in a vector image. Two vectors are pointing similar directions if one minus their dot product is less than a threshold. Vectors that are 180 degrees out of phase are similar. Assumes that vectors are normalized.
VectorIndexSelectionCastImageFilter	Extracts the selected index of the vector that is the input pixel type.
VectorMagnitudeImageFilter	Take an image of vectors as input and produce an image with the magnitude of those vectors.
VotingBinaryHoleFillingImageFilter	Fills in holes and cavities by applying a voting operation on each pixel.
VotingBinaryImageFilter	Applies a voting operation in a neighborhood of each pixel.
VotingBinaryIterativeHoleFillingImageFilter	Fills in holes and cavities by iteratively applying a voting operation.
WarpImageFilter	Warps an image using an input displacement field.
WhiteTopHatImageFilter	White top hat extracts local maxima that are larger than the structuring element.
WienerDeconvolutionImageFilter	The Wiener deconvolution image filter is designed to restore an image convolved with a blurring kernel while keeping noise enhancement to a minimum.
WrapPadImageFilter	Increase the image size by padding with replicants of the input image value.
XorImageFilter	Computes the XOR bitwise operator pixel-wise between two images.
YenThresholdImageFilter	Threshold an image using the Yen Threshold.
ZeroCrossingBasedEdgeDetectionImageFilter	This filter implements a zero-crossing based edge detecor.
ZeroCrossingImageFilter	This filter finds the closest pixel to the zero-crossings (sign changes) in a signed itk::Image .
ZeroFluxNeumannPadImageFilter	Increase the image size by padding according to the zero-flux Neumann boundary condition.