Module imgproc_rs::util

A module for image utility functions

Modules

constants

A module for useful image constants

Functions

apply_1d_kernel	Applies a 1D kernel
apply_2d_kernel	Applies a 2D kernel
clamp_zero	Returns 0 if x is less than 0; x if not
cubic_weighting_fn	Cubic weighting function for bicubic interpolation
distance	Calculates the distance between two points
gaussian_fn	Calculates the Gaussian function for G_sigma(x)
generate_gaussian_kernel	Generates a Gaussian kernel
generate_histogram_percentiles	A helper function for histogram equalization
generate_log_kernel	Generates a Laplacian of Gaussian kernel
generate_lookup_table	Populates table with the appropriate values based on function f
generate_spatial_mat	Generates a matrix of distances relative to the center of the matrix
generate_summed_area_table	Generates a summed-area table in the format of another Image of the same type and dimensions as input
get_2d_coords	Converts 1D vector index to 2D matrix coordinates
lab_to_xyz_fn	A helper function for the colorspace conversion from CIELAB to CIE XYZ
lanczos_kernel	Lanczos kernel
max_3	Returns the maximum of three f64 values
max_4	Returns the maximum of four f64 values
min_3	Returns the minimum of three f64 values
min_4	Returns the minimum of four f64 values
rectangular_intensity_sum	Computes the sum of pixel intensities over a rectangular region with top left corner located at (x_0, y_0) and bottom right corner located at (x_1, y_1)
separate_kernel	If kernel is separable, returns the (vertical kernel, horizontal kernel); otherwise returns None
sinc_norm	Normalized sinc function
vector_mul	Returns the result of the multiplication of a square matrix by a vector
vector_mul_mut	Returns the result of the multiplication of a square matrix by a vector in output
xyz_to_lab_fn	A helper function for the colorspace conversion from CIE XYZ to CIELAB
xyz_tristimulus_vals	Returns a tuple representing the XYZ tristimulus values for a given reference white value