QVKeypoint Class Reference
[Image processing]

Class for image key point data-type. More...

#include <QVKeypoint>

List of all members.

Public Member Functions
	QVKeypoint (const double x=0.0, const double y=0.0, const double scale=0.0, const double orientation=0.0)
	Default constructor.
	QVKeypoint (const QVKeypoint &other)
	Copy constructor.
	operator QPointF () const
	Point conversion operator. Gets the location of the image feature in a QPointF object.
QPointF	location () const
	Gets the location of the image feature. Gets the location of the image feature in a QPointF object.
double &	x ()
	Horizontal coordinate of the image feature.
double	x () const
	Horizontal coordinate of the image feature.
double &	y ()
	Vertical coordinate of the image feature.
double	y () const
	Vertical coordinate of the image feature.
double &	scale ()
	Scale of the image feature.
double	scale () const
	Scale of the image feature.
double &	orientation ()
	Orientation of the image feature.
double	orientation () const
	Orientation of the image feature.

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Detailed Description

Class for image key point data-type.

The pixel location, the scale and the orientation identify several kinds of image features. This class models these image features.

Definition at line 39 of file qvkeypoint.h.

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Constructor & Destructor Documentation

QVKeypoint::QVKeypoint	(	const double	x = 0.0,
		const double	y = 0.0,
		const double	scale = 0.0,
		const double	orientation = 0.0
	)			[inline]

Default constructor.

Creates a new keypoint location for an image feature.

Parameters:

	x	horizontal image coordinate for the image feature.
	y	vertical image coordinate for the image feature.
	scale	scale of the image feature.
	orientation	orientation of the image feature.

Definition at line 54 of file qvkeypoint.h.

QVKeypoint::QVKeypoint

(

const QVKeypoint &

other

)

[inline]

Copy constructor.

Creates a new keypoint location from another.

Parameters:

	x	horizontal image coordinate for the image feature.
	y	vertical image coordinate for the image feature.
	scale	scale of the image feature.
	orientation	orientation of the image feature.

Definition at line 66 of file qvkeypoint.h.

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Member Function Documentation

QVKeypoint::operator QPointF

(

)

const [inline]

Point conversion operator. Gets the location of the image feature in a QPointF object.

Definition at line 75 of file qvkeypoint.h.

QPointF QVKeypoint::location

(

)

const [inline]

Gets the location of the image feature. Gets the location of the image feature in a QPointF object.

Definition at line 79 of file qvkeypoint.h.

Referenced by operator QPointF().

double& QVKeypoint::x

(

)

[inline]

Horizontal coordinate of the image feature.

Definition at line 82 of file qvkeypoint.h.

Referenced by getSiftGPUFeatures(), and saveSIFTDescriptorsInLoweSIFTFileFormat().

double QVKeypoint::x

(

)

const [inline]

Horizontal coordinate of the image feature.

Definition at line 85 of file qvkeypoint.h.

double& QVKeypoint::y

(

)

[inline]

Vertical coordinate of the image feature.

Definition at line 88 of file qvkeypoint.h.

Referenced by getSiftGPUFeatures(), and saveSIFTDescriptorsInLoweSIFTFileFormat().

double QVKeypoint::y

(

)

const [inline]

Vertical coordinate of the image feature.

Definition at line 91 of file qvkeypoint.h.

double& QVKeypoint::scale

(

)

[inline]

Scale of the image feature.

Definition at line 94 of file qvkeypoint.h.

Referenced by getSiftGPUFeatures(), and saveSIFTDescriptorsInLoweSIFTFileFormat().

double QVKeypoint::scale

(

)

const [inline]

Scale of the image feature.

Definition at line 97 of file qvkeypoint.h.

double& QVKeypoint::orientation

(

)

[inline]

Orientation of the image feature.

Definition at line 100 of file qvkeypoint.h.

Referenced by getSiftGPUFeatures(), and saveSIFTDescriptorsInLoweSIFTFileFormat().

double QVKeypoint::orientation

(

)

const [inline]

Orientation of the image feature.

Definition at line 103 of file qvkeypoint.h.

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

• src/qvip/qvkeypoint.h