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/********************************
Author: Sravanthi Kota Venkata
********************************/
#ifndef _MSER_
#define _MSER_
#define sref(a,i) a->data[i]
#include "sdvbs_common.h"
#define NMER_MAX 756
typedef int val_t;
typedef struct
{
int width;
int data[];
}iArray;
typedef struct
{
int width;
unsigned int data[];
}uiArray;
typedef struct
{
int width;
long long int unsigned data[];
}ulliArray;
#define MIN(a,b) (a<b)?a:b
#define MAX(a,b) (a>b)?a:b
typedef int unsigned idx_t ;
typedef long long int unsigned acc_t ;
/* pairs are used to sort the pixels */
typedef struct
{
val_t value ;
idx_t index ;
} pair_t ;
/* forest node */
typedef struct
{
idx_t parent ; /**< parent pixel */
idx_t shortcut ; /**< shortcut to the root */
idx_t region ; /**< index of the region */
int area ; /**< area of the region */
#ifdef USE_RANK_UNION
int height ; /**< node height */
#endif
} node_t ;
/* extremal regions */
typedef struct
{
idx_t parent ; /**< parent region */
idx_t index ; /**< index of root pixel */
val_t value ; /**< value of root pixel */
int area ; /**< area of the region */
int area_top ; /**< area of the region DELTA levels above */
int area_bot ; /**< area of the region DELTA levels below */
float variation ; /**< variation */
int maxstable ; /**< max stable number (=0 if not maxstable) */
} region_t ;
int script_mser();
I2D* mser(I2D* I, int in_delta,
iArray* subs_pt, iArray* nsubs_pt, iArray* strides_pt, iArray* visited_pt, iArray* dims,
uiArray* joins_pt,
region_t* regions_pt,
pair_t* pairs_pt,
node_t* forest_pt,
ulliArray* acc_pt, ulliArray* ell_pt,
I2D* out);
#endif
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