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/********************************
Author: Sravanthi Kota Venkata
********************************/
#ifndef SEGMENT
#define SEGMENT
#include "sdvbs_common.h"
typedef struct
{
float w;
int a, b;
} edge;
typedef struct
{
int rank;
int p;
int size;
} uni_elt;
typedef struct
{
uni_elt *elts;
int num;
}universe;
/* use imRef to access image data. */
#define imRef(im, x, y) (im->data[y*im->width+x])
I2D *segment_image(I2D *im, float sigma, float c, int min_size, int *num_ccs,
int* segments, edge* edges,
F2D* imageOut, F2D* tempOut, I2D* kernel, F2D* edgeWeights, F2D* in, I2D* ind,
universe* u,
I2D* output);
universe *segment_graph(int num_vertices, int num_edges, edge *edges, float c, F2D* edgeWeights, F2D* in, I2D* ind,
universe* u);
void join(universe* u, int x, int y);
int find(universe* u, int x);
float diff(F2D *r, int x1, int y1, int x2, int y2);
#endif
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