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segment-graph.h

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00001 /*
00002  * Copyright (C) 2006 Pedro Felzenszwalb
00003  * 
00004  * This program is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  * 
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  * 
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00017  */
00018 
00019 /*
00020  * 05/27/2007
00021  * Edited by pthoren@cs.uml.edu:
00022  * Moved source code into a source file.
00023  * Just reorganizing the code a bit in here.
00024  * Formating to my own crazy standards.
00025  */
00026 
00027 #ifndef SEGMENT_GRAPH
00028 #define SEGMENT_GRAPH
00029 
00030 #include <algorithm>
00031 #include <cmath>
00032 #include "disjoint-set.h"
00033 
00034 // threshold function
00035 #define THRESHOLD(size, c) (c/size)
00036 
00037 typedef struct {
00038   float w;
00039   int a, b;
00040 } edge;
00041 
00042 bool operator<(const edge &a, const edge &b);
00043 
00044 /*
00045  * Segment a graph
00046  *
00047  * Returns a disjoint-set forest representing the segmentation.
00048  *
00049  * num_vertices: number of vertices in graph.
00050  * num_edges: number of edges in graph
00051  * edges: array of edges.
00052  * c: constant for treshold function.
00053  */
00054 universe *segment_graph(int     num_vertices, 
00055                         int     num_edges, 
00056                         edge   *edges, 
00057                         float   c);
00058 #endif




Copyright (C) 2002 - 2007 Philip D.S. Thoren ( pthoren@users.sourceforge.net )
University Of Massachusetts at Lowell
Robotics Lab
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