Functions

SimplePoint.c File Reference

Functions

int VSimplePoint (VImage src, int b, int r, int c, int adj)

Detailed Description

check if simple point.

check if the given voxel is a simple point. A point is simple, if its deletion does not alter the topology. This function is used in topological thinning (VThin3d). It returns 1, if simple point; it returns 0, otherwise.

Reference:
G. Bertrand, G. Malandain (1994): "A new characterization of three-dimensional simple points", Pattern Recognition Letters, Vol. 15, pp. 169--175.
Author:
Gabriele Lohmann, MPI-CBS

Function Documentation

VBoolean VSimplePoint ( VImage  src,
int  b,
int  r,
int  c,
int  adj 
)
Parameters:
src input image (bit repn)
b slice address
r row address
c column address
adj neighbourhood type (6 or 26)