boofcv.alg.tracker.klt

Class KltFeature

java.lang.Object

boofcv.alg.tracker.klt.KltFeature

public class KltFeature
extends java.lang.Object

Contains feature information for KltTracker.

Field Summary

Fields

Modifier and Type	Field and Description
boofcv.struct.image.GrayF32	derivX Image derivative around the feature in the x-direction
boofcv.struct.image.GrayF32	derivY Image derivative around the feature in the y-direction
boofcv.struct.image.GrayF32	desc Pixel intensity around the feature
float	Gxx spatial gradient matrix used in updating the feature's position
float	Gxy spatial gradient matrix used in updating the feature's position
float	Gyy spatial gradient matrix used in updating the feature's position
int	radius The feature's size.
float	x Feature's location inside the image in pixels
float	y Feature's location inside the image in pixels

Constructor Summary

Constructors

Constructor and Description
KltFeature(int radius)

Method Summary

Modifier and Type	Method and Description
void	setPosition(float x, float y)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x

public float x

Feature's location inside the image in pixels

y

public float y

Feature's location inside the image in pixels

radius

public int radius

The feature's size. Each feature is square with a width equal to its radius*2+1.

desc

public boofcv.struct.image.GrayF32 desc

Pixel intensity around the feature

derivX

public boofcv.struct.image.GrayF32 derivX

Image derivative around the feature in the x-direction

derivY

public boofcv.struct.image.GrayF32 derivY

Image derivative around the feature in the y-direction

Gxx

public float Gxx

spatial gradient matrix used in updating the feature's position

Gxy

public float Gxy

spatial gradient matrix used in updating the feature's position

Gyy

public float Gyy

spatial gradient matrix used in updating the feature's position

Constructor Detail

KltFeature

public KltFeature(int radius)

Method Detail

setPosition

public void setPosition(float x,
                        float y)