ptextensible.c File Reference

detects extensible points in a grayscale image More...

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Detailed Description

detects extensible points in a grayscale image

Usage: ptextensible im.pgm {imcond.pgm|null} connex fileout.pgm

Description: Extensible point detection. The input image im.pgm must be a "thin" grayscale image, as the output of the operator hthin. The parameter connex indicates the cconnectivity used for the minimal regions. The optional parameter imcond.pgm is a binary image which indicates the points in the neighborhood of which the extensible points will be searched.

Reference:
M. Couprie, F.N. Bezerra, Gilles Bertrand: "Topological operators for grayscale image processing", Journal of Electronic Imaging, Vol. 10, No. 4, pp. 1003-1015, 2001.

Types supported: byte 2D

Category: topogray

Author:

Michel Couprie