boofcv.alg.tracker.klt

Class KltFeature

java.lang.Object

boofcv.alg.tracker.klt.KltFeature

public class KltFeature
extends Object

Contains feature information for KltTracker.

Author:

Peter Abeles

Field Summary

Fields

Modifier and Type	Field and Description
ImageFloat32	derivX Image derivative around the feature in the x-direction
ImageFloat32	derivY Image derivative around the feature in the y-direction
ImageFloat32	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

Methods

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 ImageFloat32 desc

Pixel intensity around the feature

derivX

public ImageFloat32 derivX

Image derivative around the feature in the x-direction

derivY

public ImageFloat32 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)