Dist2d.c File Reference

Functions
VImage	VChamferDist2d (VImage src, VImage dest, VBand band)

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Detailed Description

2d chamfer distance transform.

For each foreground pixel, the length of the shortest 2D path to the nearest background pixel is computed. The chamfer distance metric is an approximation to the Euclidian distance.

References:

G. Borgefors (1984). "Distance Transforms in arbitrary dimensions", CVGIP 27, pp.321-345.

Author:

Gabriele Lohmann, MPI-CBS

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Function Documentation

VImage VChamferDist2d	(	VImage	src,
		VImage	dest,
		VBand	band
	)

Parameters:

	src	input image (bit repn)
	dest	output image (float repn)
	band	id of band to be processed. To select all bands, use 'VAllBands'.