boofcv.alg.distort

Class ImageDistortCache<T extends ImageSingleBand>

java.lang.Object

boofcv.alg.distort.ImageDistortCache<T>

All Implemented Interfaces:

ImageDistort<T>

Direct Known Subclasses:

ImplImageDistortCache_F32, ImplImageDistortCache_I16, ImplImageDistortCache_I8, ImplImageDistortCache_S32

public abstract class ImageDistortCache<T extends ImageSingleBand>
extends java.lang.Object
implements ImageDistort<T>

Except for very simple functions, computing the per pixel distortion is an expensive operation. To overcome this problem the distortion is computed once and cached. Then when the image is distorted again the save results are simply recalled and not computed again.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	dirty
protected T	dstImg
protected T	srcImg

Constructor Summary

Constructors

Constructor and Description
ImageDistortCache(InterpolatePixelS<T> interp, ImageBorder<T> border) Specifies configuration parameters

Method Summary

Methods

Modifier and Type	Method and Description
void	apply(T srcImg, T dstImg) Applies the transform to the entire destination image.
void	apply(T srcImg, T dstImg, int dstX0, int dstY0, int dstX1, int dstY1) Applies the transform to only the specified region inside the destination image.
void	applyBorder()
void	applyNoBorder()
protected abstract void	assign(int indexDst, float value)
void	setModel(PixelTransform_F32 dstToSrc) Specifies how pixel coordinates are transformed from the destination to source images.

Methods inherited from class java.lang.Object

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

Field Detail

srcImg

protected T extends ImageSingleBand srcImg

dstImg

protected T extends ImageSingleBand dstImg

dirty

protected boolean dirty

Constructor Detail

ImageDistortCache

public ImageDistortCache(InterpolatePixelS<T> interp,
                 ImageBorder<T> border)

Specifies configuration parameters

Parameters:

interp - Interpolation algorithm

border - How borders are handled

Method Detail

setModel

public void setModel(PixelTransform_F32 dstToSrc)

Description copied from interface: ImageDistort

Specifies how pixel coordinates are transformed from the destination to source images.

Specified by:

setModel in interface ImageDistort<T extends ImageSingleBand>

Parameters:

dstToSrc - Pixel coordinate transformation.

apply

public void apply(T srcImg,
         T dstImg)

Description copied from interface: ImageDistort

Applies the transform to the entire destination image.

Specified by:

apply in interface ImageDistort<T extends ImageSingleBand>

Parameters:

srcImg - Input image. Not modified.

dstImg - Output image. Modified.

apply

public void apply(T srcImg,
         T dstImg,
         int dstX0,
         int dstY0,
         int dstX1,
         int dstY1)

Description copied from interface: ImageDistort

Applies the transform to only the specified region inside the destination image.

Specified by:

apply in interface ImageDistort<T extends ImageSingleBand>

Parameters:

srcImg - Input image. Not modified.

dstImg - Output image. Modified.

dstX0 - Left most crop boundary. Inclusive.

dstY0 - Top most crop boundary. Inclusive.

dstX1 - Right most crop boundary. Exclusive.

dstY1 - Bottom most crop boundary. Exclusive.

applyBorder

public void applyBorder()

applyNoBorder

public void applyNoBorder()

assign

protected abstract void assign(int indexDst,
          float value)