Multidimensional image processing (scipy.ndimage)

This package contains various functions for multidimensional image processing.

Filters

convolve(input, weights[, output, mode, ...])	Multidimensional convolution.
convolve1d(input, weights[, axis, output, ...])	Calculate a 1-D convolution along the given axis.
correlate(input, weights[, output, mode, ...])	Multidimensional correlation.
correlate1d(input, weights[, axis, output, ...])	Calculate a 1-D correlation along the given axis.
gaussian_filter(input, sigma[, order, ...])	Multidimensional Gaussian filter.
gaussian_filter1d(input, sigma[, axis, ...])	1-D Gaussian filter.
gaussian_gradient_magnitude(input, sigma[, ...])	Multidimensional gradient magnitude using Gaussian derivatives.
gaussian_laplace(input, sigma[, output, ...])	Multidimensional Laplace filter using Gaussian second derivatives.
generic_filter(input, function[, size, ...])	Calculate a multidimensional filter using the given function.
generic_filter1d(input, function, filter_size)	Calculate a 1-D filter along the given axis.
generic_gradient_magnitude(input, derivative)	Gradient magnitude using a provided gradient function.
generic_laplace(input, derivative2[, ...])	N-D Laplace filter using a provided second derivative function.
laplace(input[, output, mode, cval])	N-D Laplace filter based on approximate second derivatives.
maximum_filter(input[, size, footprint, ...])	Calculate a multidimensional maximum filter.
maximum_filter1d(input, size[, axis, ...])	Calculate a 1-D maximum filter along the given axis.
median_filter(input[, size, footprint, ...])	Calculate a multidimensional median filter.
minimum_filter(input[, size, footprint, ...])	Calculate a multidimensional minimum filter.
minimum_filter1d(input, size[, axis, ...])	Calculate a 1-D minimum filter along the given axis.
percentile_filter(input, percentile[, size, ...])	Calculate a multidimensional percentile filter.
prewitt(input[, axis, output, mode, cval])	Calculate a Prewitt filter.
rank_filter(input, rank[, size, footprint, ...])	Calculate a multidimensional rank filter.
sobel(input[, axis, output, mode, cval])	Calculate a Sobel filter.
uniform_filter(input[, size, output, mode, ...])	Multidimensional uniform filter.
uniform_filter1d(input, size[, axis, ...])	Calculate a 1-D uniform filter along the given axis.

Fourier filters

fourier_ellipsoid(input, size[, n, axis, output])	Multidimensional ellipsoid Fourier filter.
fourier_gaussian(input, sigma[, n, axis, output])	Multidimensional Gaussian fourier filter.
fourier_shift(input, shift[, n, axis, output])	Multidimensional Fourier shift filter.
fourier_uniform(input, size[, n, axis, output])	Multidimensional uniform fourier filter.

Interpolation

affine_transform(input, matrix[, offset, ...])	Apply an affine transformation.
geometric_transform(input, mapping[, ...])	Apply an arbitrary geometric transform.
map_coordinates(input, coordinates[, ...])	Map the input array to new coordinates by interpolation.
rotate(input, angle[, axes, reshape, ...])	Rotate an array.
shift(input, shift[, output, order, mode, ...])	Shift an array.
spline_filter(input[, order, output, mode])	Multidimensional spline filter.
spline_filter1d(input[, order, axis, ...])	Calculate a 1-D spline filter along the given axis.
zoom(input, zoom[, output, order, mode, ...])	Zoom an array.

Measurements

center_of_mass(input[, labels, index])	Calculate the center of mass of the values of an array at labels.
extrema(input[, labels, index])	Calculate the minimums and maximums of the values of an array at labels, along with their positions.
find_objects(input[, max_label])	Find objects in a labeled array.
histogram(input, min, max, bins[, labels, index])	Calculate the histogram of the values of an array, optionally at labels.
label(input[, structure, output])	Label features in an array.
labeled_comprehension(input, labels, index, ...)	Roughly equivalent to [func(input[labels == i]) for i in index].
maximum(input[, labels, index])	Calculate the maximum of the values of an array over labeled regions.
maximum_position(input[, labels, index])	Find the positions of the maximums of the values of an array at labels.
mean(input[, labels, index])	Calculate the mean of the values of an array at labels.
median(input[, labels, index])	Calculate the median of the values of an array over labeled regions.
minimum(input[, labels, index])	Calculate the minimum of the values of an array over labeled regions.
minimum_position(input[, labels, index])	Find the positions of the minimums of the values of an array at labels.
standard_deviation(input[, labels, index])	Calculate the standard deviation of the values of an N-D image array, optionally at specified sub-regions.
sum_labels(input[, labels, index])	Calculate the sum of the values of the array.
variance(input[, labels, index])	Calculate the variance of the values of an N-D image array, optionally at specified sub-regions.
watershed_ift(input, markers[, structure, ...])	Apply watershed from markers using image foresting transform algorithm.

Morphology

binary_closing(input[, structure, ...])	Multidimensional binary closing with the given structuring element.
binary_dilation(input[, structure, ...])	Multidimensional binary dilation with the given structuring element.
binary_erosion(input[, structure, ...])	Multidimensional binary erosion with a given structuring element.
binary_fill_holes(input[, structure, ...])	Fill the holes in binary objects.
binary_hit_or_miss(input[, structure1, ...])	Multidimensional binary hit-or-miss transform.
binary_opening(input[, structure, ...])	Multidimensional binary opening with the given structuring element.
binary_propagation(input[, structure, mask, ...])	Multidimensional binary propagation with the given structuring element.
black_tophat(input[, size, footprint, ...])	Multidimensional black tophat filter.
distance_transform_bf(input[, metric, ...])	Distance transform function by a brute force algorithm.
distance_transform_cdt(input[, metric, ...])	Distance transform for chamfer type of transforms.
distance_transform_edt(input[, sampling, ...])	Exact Euclidean distance transform.
generate_binary_structure(rank, connectivity)	Generate a binary structure for binary morphological operations.
grey_closing(input[, size, footprint, ...])	Multidimensional grayscale closing.
grey_dilation(input[, size, footprint, ...])	Calculate a greyscale dilation, using either a structuring element, or a footprint corresponding to a flat structuring element.
grey_erosion(input[, size, footprint, ...])	Calculate a greyscale erosion, using either a structuring element, or a footprint corresponding to a flat structuring element.
grey_opening(input[, size, footprint, ...])	Multidimensional grayscale opening.
iterate_structure(structure, iterations[, ...])	Iterate a structure by dilating it with itself.
morphological_gradient(input[, size, ...])	Multidimensional morphological gradient.
morphological_laplace(input[, size, ...])	Multidimensional morphological laplace.
white_tophat(input[, size, footprint, ...])	Multidimensional white tophat filter.

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