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.
BinaryErodeImageFilter Fast binary erosion.
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.
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.
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 enhanging 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 brigher 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 between two images by histogram matching.
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 morphogical 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  
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.
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.
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.