boofcv.alg.feature.detect.interest

Class UnrollSiftScaleSpaceGradient

java.lang.Object

boofcv.alg.feature.detect.interest.UnrollSiftScaleSpaceGradient

public class UnrollSiftScaleSpaceGradient
extends java.lang.Object

Precomputes the gradient for all scales in the scale-space and saves them in a list. Since it saves the entire scale space it can take up a bit of memory, but allows quick random look up of images.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UnrollSiftScaleSpaceGradient.ImageScale

Constructor Summary

Constructors

Constructor and Description
UnrollSiftScaleSpaceGradient(SiftScaleSpace scaleSpace)

Method Summary

Modifier and Type	Method and Description
UnrollSiftScaleSpaceGradient.ImageScale	lookup(double sigma) Looks up the image which is closest specified sigma
void	setImage(GrayF32 image) Sets the input image.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnrollSiftScaleSpaceGradient

public UnrollSiftScaleSpaceGradient(SiftScaleSpace scaleSpace)

Method Detail

setImage

public void setImage(GrayF32 image)

Sets the input image. Scale-space is computed and unrolled from this image

Parameters:

image -

lookup

public UnrollSiftScaleSpaceGradient.ImageScale lookup(double sigma)

Looks up the image which is closest specified sigma