keypoint_orientation_corrector Class Reference

Normalize local patches against rotation. More...

#include <keypoint_orientation_corrector.h>

Public Member Functions
	keypoint_orientation_corrector (int width, int height, int neighborhood_size, int nbLev)
	~keypoint_orientation_corrector ()
void	compute_gradient_images (IplImage *image, IplImage **Ix, IplImage **Iy)
int	orientation_bucket_index (const IplImage *_Ix, const IplImage *_Iy, const int u, const int v)
	Returns the estimated orientation (actually the corresponding bucket index)
int	optimized_orientation_bucket_index (const IplImage *_Ix, const IplImage *_Iy, const int u, const int v)
	Optimized version.
float	estimate_orientation_in_radians (IplImage *image, int u, int v, IplImage *_Ix, IplImage *_Iy)
	returns the estimated orientation expressed in radians
int	correct_orientation (IplImage *image, int u, int v, IplImage *rotated_neighborhood, IplImage *Ix, IplImage *Iy, int level)
	Rotates the (u,v) neighborhood and returns the estimated orientation (actually the corresponding bucket index):
int	correct_orientationf (IplImage *image, float u, float v, IplImage *rotated_neighborhood, float orientation_in_radians, int level)

Static Public Attributes
static bool	subpixel_rotate = false
static const int	ANGLE_QUANTUM = 20
static const int	ANGLE_BUCKET_NUMBER = 360 / ANGLE_QUANTUM

Detailed Description

Normalize local patches against rotation.

Definition at line 30 of file keypoint_orientation_corrector.h.

Constructor & Destructor Documentation

keypoint_orientation_corrector::keypoint_orientation_corrector	(	int	width,
		int	height,
		int	neighborhood_size,
		int	nbLev
	)

Definition at line 40 of file keypoint_orientation_corrector.cpp.

keypoint_orientation_corrector::~keypoint_orientation_corrector

(

)

Definition at line 130 of file keypoint_orientation_corrector.cpp.

Member Function Documentation

void keypoint_orientation_corrector::compute_gradient_images	(	IplImage *	image,
		IplImage **	Ix,
		IplImage **	Iy
	)

Definition at line 140 of file keypoint_orientation_corrector.cpp.

References DERIVATIVES_KERNEL_SIZE.

int keypoint_orientation_corrector::correct_orientation	(	IplImage *	image,
		int	u,
		int	v,
		IplImage *	rotated_neighborhood,
		IplImage *	Ix,
		IplImage *	Iy,
		int	level
	)

Rotates the (u,v) neighborhood and returns the estimated orientation (actually the corresponding bucket index):

Definition at line 328 of file keypoint_orientation_corrector.cpp.

int keypoint_orientation_corrector::correct_orientationf	(	IplImage *	image,
		float	u,
		float	v,
		IplImage *	rotated_neighborhood,
		float	orientation_in_radians,
		int	level
	)

Definition at line 339 of file keypoint_orientation_corrector.cpp.

float keypoint_orientation_corrector::estimate_orientation_in_radians	(	IplImage *	image,
		int	u,
		int	v,
		IplImage *	_Ix,
		IplImage *	_Iy
	)

returns the estimated orientation expressed in radians

Definition at line 317 of file keypoint_orientation_corrector.cpp.

int keypoint_orientation_corrector::optimized_orientation_bucket_index	(	const IplImage *	_Ix,
		const IplImage *	_Iy,
		const int	u,
		const int	v
	)

Optimized version.

Definition at line 197 of file keypoint_orientation_corrector.cpp.

References ATAN2_TABLE_INDEX, GRADIENT_SHIFT, and MAX_GRADIENT.

int keypoint_orientation_corrector::orientation_bucket_index	(	const IplImage *	_Ix,
		const IplImage *	_Iy,
		const int	u,
		const int	v
	)

Returns the estimated orientation (actually the corresponding bucket index)

Definition at line 149 of file keypoint_orientation_corrector.cpp.

References ATAN2_TABLE_INDEX, GRADIENT_SHIFT, and MAX_GRADIENT.

Member Data Documentation

const int keypoint_orientation_corrector::ANGLE_BUCKET_NUMBER = 360 / ANGLE_QUANTUM

static

Definition at line 58 of file keypoint_orientation_corrector.h.

const int keypoint_orientation_corrector::ANGLE_QUANTUM = 20

static

Definition at line 57 of file keypoint_orientation_corrector.h.

bool keypoint_orientation_corrector::subpixel_rotate = false

static

Definition at line 55 of file keypoint_orientation_corrector.h.

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The documentation for this class was generated from the following files:

• /home/adrien/Téléchargements/bazar/bazar-1.3.1/garfeild/keypoints/keypoint_orientation_corrector.h
• /home/adrien/Téléchargements/bazar/bazar-1.3.1/garfeild/keypoints/keypoint_orientation_corrector.cpp