Convolve.c File Reference

Functions
VImage	VConvolve3d (VImage src, VImage dest, VImage kernel)
	3D convolution
VImage	VConvolve2d (VImage src, VImage dest, VImage kernel)
	2D convolution
VImage	VConvolveCol (VImage src, VImage dest, VImage kernel)
	1D convolution in column-direction (for separable filters)
VImage	VConvolveRow (VImage src, VImage dest, VImage kernel)
	1D convolution in row-direction (for separable filters)
VImage	VConvolveBand (VImage src, VImage dest, VImage kernel)
	1D convolution in slice-direction (for separable filters)

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Detailed Description

Convolution

This file contains code for 2D and 3D convolutions, and for 1D convolutions. 1D convolutions can be used to implement separable 2D/3D filters.

Author:

Gabriele Lohmann, MPI-CBS

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Function Documentation

VImage VConvolve3d	(	VImage	src,
		VImage	dest,
		VImage	kernel
	)

3D convolution

Parameters:

src	input image (any repn)
dest	output image (float repn)
kernel	raster image containing convolution kernel (float repn)

VImage VConvolve2d	(	VImage	src,
		VImage	dest,
		VImage	kernel
	)

2D convolution

Parameters:

src	input image (any repn)
dest	output image (float repn)
kernel	raster image containing convolution kernel (float repn)

VImage VConvolveCol	(	VImage	src,
		VImage	dest,
		VImage	kernel
	)

1D convolution in column-direction (for separable filters)

Parameters:

src	input image (any repn)
dest	output image (float repn)
kernel	raster image containing convolution kernel (float repn)

VImage VConvolveRow	(	VImage	src,
		VImage	dest,
		VImage	kernel
	)

1D convolution in row-direction (for separable filters)

Parameters:

src	input image (any repn)
dest	output image (float repn)
kernel	convolution kernel (float repn)

VImage VConvolveBand	(	VImage	src,
		VImage	dest,
		VImage	kernel
	)

1D convolution in slice-direction (for separable filters)

Parameters:

src	input image (any repn)
dest	output image (float repn)
kernel	convolution kernel (float repn)