ptcurve.c File Reference

detects curve points in a binary image More...

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Detailed Description

detects curve points in a binary image

Usage: ptcurve in.pgm connex out.pgm

Description: An curve point is a white point, which has exactly 2 white n-neighbours that are not n-neighbours to each other. In other words, Tn = 2 and each neighboring n-connected component is made of exactly one point (n = 4, 8 (2d) or 6, 18, 26 (3d), as set by the parameter connex)

Types supported: byte 2d, byte 3d

Category: topobin

Author:

Michel Couprie 2002