_vx_keypoint_t Struct Reference

The keypoint data structure. More...

#include <vx_types.h>

Public Attributes
vx_int32	x
	The x coordinate.
vx_int32	y
	The y coordinate.
vx_float32	strength
	The strength of the keypoint. Its definition is specific to the corner detector.
vx_float32	scale
	Initialized to 0 by corner detectors.
vx_float32	orientation
	Initialized to 0 by corner detectors.
vx_int32	tracking_status
	A zero indicates a lost point. Initialized to 1 by corner detectors.
vx_float32	error
	A tracking method specific error. Initialized to 0 by corner detectors.

Detailed Description

The keypoint data structure.

Member Data Documentation

error

vx_float32 _vx_keypoint_t::error

A tracking method specific error. Initialized to 0 by corner detectors.

orientation

vx_float32 _vx_keypoint_t::orientation

Initialized to 0 by corner detectors.

scale

vx_float32 _vx_keypoint_t::scale

Initialized to 0 by corner detectors.

strength

vx_float32 _vx_keypoint_t::strength

The strength of the keypoint. Its definition is specific to the corner detector.

tracking_status

vx_int32 _vx_keypoint_t::tracking_status

A zero indicates a lost point. Initialized to 1 by corner detectors.

Examples

optical_flow.cpp.

x

vx_int32 _vx_keypoint_t::x

The x coordinate.

Examples

optical_flow.cpp, and orb.cpp.

y

vx_int32 _vx_keypoint_t::y

The y coordinate.

Examples

optical_flow.cpp, and orb.cpp.