MSER (Maximally Stable Extremal Regions (MSER)) More...

#include "generic.h"

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Classes
struct	_VlMserExtrReg
struct	_VlMserFilt
struct	_VlMserReg
struct	_VlMserStats
	MSER filter statistics definition. More...
Defines
#define	VL_MSER_PIX_MAXVAL 256
	Maximum value.
#define	VL_MSER_VOID_NODE ((1ULL<<32) - 1)
Typedefs
typedef float	vl_mser_acc
typedef vl_uint8	vl_mser_pix
	MSER image data type.
typedef struct _VlMserExtrReg	VlMserExtrReg
typedef struct _VlMserFilt	VlMserFilt
	MSER Filter.
typedef struct _VlMserReg	VlMserReg
typedef struct _VlMserStats	VlMserStats
	MSER filter statistics.
Functions
Construction and Destruction
VL_EXPORT VlMserFilt *	vl_mser_new (int ndims, int const *dims)
	Create a new MSER filter.
VL_EXPORT void	vl_mser_delete (VlMserFilt *f)
	Delete MSER filter.
Processing
VL_EXPORT void	vl_mser_process (VlMserFilt f, vl_mser_pix const im)
	Process image.
VL_EXPORT void	vl_mser_ell_fit (VlMserFilt *f)
	Fit ellipsoids.
Retrieving data
VL_INLINE vl_uint	vl_mser_get_regions_num (VlMserFilt const *f)
	Get number of maximally stable extremal regions.
VL_INLINE vl_uint const *	vl_mser_get_regions (VlMserFilt const *f)
	Get maximally stable extremal regions.
VL_INLINE float const *	vl_mser_get_ell (VlMserFilt const *f)
	Get ellipsoids.
VL_INLINE vl_uint	vl_mser_get_ell_num (VlMserFilt const *f)
	Get number of ellipsoids.
VL_INLINE vl_uint	vl_mser_get_ell_dof (VlMserFilt const *f)
	Get number of degrees of freedom of ellipsoids.
VL_INLINE VlMserStats const *	vl_mser_get_stats (VlMserFilt const *f)
	Get statistics.
Retrieving parameters
VL_INLINE vl_mser_pix	vl_mser_get_delta (VlMserFilt const *f)
	Get delta.
VL_INLINE double	vl_mser_get_min_area (VlMserFilt const *f)
	Get minimum region area.
VL_INLINE double	vl_mser_get_max_area (VlMserFilt const *f)
	Get maximum region area.
VL_INLINE double	vl_mser_get_max_variation (VlMserFilt const *f)
	Get maximum region variation.
VL_INLINE double	vl_mser_get_min_diversity (VlMserFilt const *f)
	Get minimum diversity.
Setting parameters
VL_INLINE void	vl_mser_set_delta (VlMserFilt *f, vl_mser_pix x)
	Set delta.
VL_INLINE void	vl_mser_set_min_area (VlMserFilt *f, double x)
	Set minimum region area.
VL_INLINE void	vl_mser_set_max_area (VlMserFilt *f, double x)
	Set maximum region area.
VL_INLINE void	vl_mser_set_max_variation (VlMserFilt *f, double x)
	Set maximum region variation.
VL_INLINE void	vl_mser_set_min_diversity (VlMserFilt *f, double x)
	Set minimum diversity.

Detailed Description

MSER (Maximally Stable Extremal Regions (MSER))

Author:: Andrea Vedaldi

Definition in file mser.h.

Define Documentation

#define VL_MSER_PIX_MAXVAL 256

Maximum value.

Maximum value of the integer type vl_mser_pix.

Definition at line 30 of file mser.h.

#define VL_MSER_VOID_NODE ((1ULL<<32) - 1)

Definition at line 119 of file mser.h.

Typedef Documentation

typedef float vl_mser_acc

Definition at line 113 of file mser.h.

typedef vl_uint8 vl_mser_pix

MSER image data type.

This is the data type of the image pixels. It has to be an integer.

Definition at line 24 of file mser.h.

typedef struct _VlMserExtrReg VlMserExtrReg

Definition at line 197 of file mser.h.

typedef struct _VlMserFilt VlMserFilt

MSER Filter.

The MSER filter computes the Maximally Stable Extremal Regions of an image.

See also:: Maximally Stable Extremal Regions (MSER)

Definition at line 39 of file mser.h.

typedef struct _VlMserReg VlMserReg

Definition at line 156 of file mser.h.

typedef struct _VlMserStats VlMserStats

MSER filter statistics.

Definition at line 42 of file mser.h.

Function Documentation

VL_EXPORT void vl_mser_delete ( VlMserFilt * f )

Delete MSER filter.

------------------------------------------------------------------- The function releases the MSER filter f and all its resources.

Parameters:

f	MSER filter to be deleted.

Definition at line 383 of file vl/mser.c.

VL_EXPORT void vl_mser_ell_fit ( VlMserFilt * f )

Fit ellipsoids.

-------------------------------------------------------------------

Parameters:

f	MSER filter.

See also:: Ellipsoids

Definition at line 886 of file vl/mser.c.

VL_INLINE vl_mser_pix vl_mser_get_delta ( VlMserFilt const * f )

Get delta.

Parameters:

f	MSER filter.

Returns:: value of delta.

Definition at line 261 of file mser.h.

VL_INLINE float const * vl_mser_get_ell ( VlMserFilt const * f )

Get ellipsoids.

Parameters:

f	MSER filter.

Returns:: ellipsoids.

Definition at line 398 of file mser.h.

VL_INLINE vl_uint vl_mser_get_ell_dof ( VlMserFilt const * f )

Get number of degrees of freedom of ellipsoids.

Parameters:

f	MSER filter.

Returns:: number of degrees of freedom.

Definition at line 408 of file mser.h.

VL_INLINE vl_uint vl_mser_get_ell_num ( VlMserFilt const * f )

Get number of ellipsoids.

Parameters:

f	MSER filter.

Returns:: number of ellipsoids

Definition at line 418 of file mser.h.

VL_INLINE double vl_mser_get_max_area ( VlMserFilt const * f )

Get maximum region area.

Parameters:

f	MSER filter.

Returns:: maximum region area.

Definition at line 314 of file mser.h.

VL_INLINE double vl_mser_get_max_variation ( VlMserFilt const * f )

Get maximum region variation.

Parameters:

f	MSER filter.

Returns:: maximum region variation.

Definition at line 356 of file mser.h.

VL_INLINE double vl_mser_get_min_area ( VlMserFilt const * f )

Get minimum region area.

Parameters:

f	MSER filter.

Returns:: minimum region area.

Definition at line 335 of file mser.h.

VL_INLINE double vl_mser_get_min_diversity ( VlMserFilt const * f )

Get minimum diversity.

Parameters:

f	MSER filter.

Returns:: value of minimum diversity.

Definition at line 282 of file mser.h.

VL_INLINE vl_uint const * vl_mser_get_regions ( VlMserFilt const * f )

Get maximally stable extremal regions.

Parameters:

f	MSER filter.

Returns:: array of MSER pivots.

Definition at line 377 of file mser.h.

VL_INLINE vl_uint vl_mser_get_regions_num ( VlMserFilt const * f )

Get number of maximally stable extremal regions.

Parameters:

f	MSER filter.

Returns:: number of MSERs.

Definition at line 387 of file mser.h.

VL_INLINE VlMserStats const * vl_mser_get_stats ( VlMserFilt const * f )

Get statistics.

Parameters:

f	MSER filter.

Returns:: statistics.

Definition at line 303 of file mser.h.

VL_EXPORT VlMserFilt* vl_mser_new	(	int	ndims,
		int const *	dims
	)

Create a new MSER filter.

------------------------------------------------------------------- Initializes a new MSER filter for images of the specified dimensions. Images are ndims -dimensional arrays of dimensions dims.

Parameters:

ndims	number of dimensions.
dims	dimensions.

Definition at line 319 of file vl/mser.c.

VL_EXPORT void vl_mser_process	(	VlMserFilt *	f,
		vl_mser_pix const *	im
	)

Process image.

------------------------------------------------------------------- The functions calculates the Maximally Stable Extremal Regions (MSERs) of image im using the MSER filter f.

The filter f must have been initialized to be compatible with the dimensions of im.

Parameters:

f	MSER filter.
im	image data.

Definition at line 419 of file vl/mser.c.

VL_INLINE void vl_mser_set_delta	(	VlMserFilt *	f,
		vl_mser_pix	x
	)

Set delta.

Parameters:

f	MSER filter.
x	value of `delta`.

Definition at line 271 of file mser.h.

VL_INLINE void vl_mser_set_max_area	(	VlMserFilt *	f,
		double	x
	)

Set maximum region area.

Parameters:

f	MSER filter.
x	maximum region area.

Definition at line 324 of file mser.h.

VL_INLINE void vl_mser_set_max_variation	(	VlMserFilt *	f,
		double	x
	)

Set maximum region variation.

Parameters:

f	MSER filter.
x	maximum region variation.

Definition at line 366 of file mser.h.

VL_INLINE void vl_mser_set_min_area	(	VlMserFilt *	f,
		double	x
	)

Set minimum region area.

Parameters:

f	MSER filter.
x	minimum region area.

Definition at line 345 of file mser.h.

VL_INLINE void vl_mser_set_min_diversity	(	VlMserFilt *	f,
		double	x
	)

Set minimum diversity.

Parameters:

f	MSER filter.
x	value of `minimum` diversity.

Definition at line 292 of file mser.h.

Classes

Defines

Typedefs

Functions

Detailed Description

Define Documentation

Typedef Documentation

Function Documentation