Package boofcv.alg.transform.ii

Class DerivativeIntegralImage

java.lang.Object

boofcv.alg.transform.ii.DerivativeIntegralImage

public class DerivativeIntegralImage
extends Object

Functions related to image derivatives in integral images.

Constructor Summary

Constructors

Constructor	Description
DerivativeIntegralImage()

Method Summary

Modifier and Type	Method	Description
static void	derivXX(GrayF32 input, GrayF32 output, int size)
static void	derivXY(GrayF32 input, GrayF32 output, int size)
static void	derivYY(GrayF32 input, GrayF32 output, int size)
static IntegralKernel	kernelDerivX(int r, @Nullable IntegralKernel ret)	Creates a kernel for a symmetric box derivative.
static IntegralKernel	kernelDerivXX(int size, @Nullable IntegralKernel ret)
static IntegralKernel	kernelDerivXY(int size, @Nullable IntegralKernel ret)
static IntegralKernel	kernelDerivY(int r, @Nullable IntegralKernel ret)	Creates a kernel for a symmetric box derivative.
static IntegralKernel	kernelDerivYY(int size, @Nullable IntegralKernel ret)
static IntegralKernel	kernelHaarX(int r, @Nullable IntegralKernel ret)	Creates a kernel for the Haar wavelet "centered" around the target pixel.
static IntegralKernel	kernelHaarY(int r, @Nullable IntegralKernel ret)	Creates a kernel for the Haar wavelet "centered" around the target pixel.

Methods inherited from class java.lang.Object

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

Constructor Details

DerivativeIntegralImage

public DerivativeIntegralImage()

Method Details

kernelDerivX

public static IntegralKernel kernelDerivX(int r,
@Nullable
@Nullable IntegralKernel ret)

Creates a kernel for a symmetric box derivative.

Parameters:

r - Radius of the box. width is 2*r+1

Returns:

Kernel Kernel for derivative.

kernelDerivY

public static IntegralKernel kernelDerivY(int r,
@Nullable
@Nullable IntegralKernel ret)

Creates a kernel for a symmetric box derivative.

Parameters:

r - Radius of the box. width is 2*r+1

Returns:

Kernel Kernel for derivative.

kernelHaarX

public static IntegralKernel kernelHaarX(int r,
@Nullable
@Nullable IntegralKernel ret)

Creates a kernel for the Haar wavelet "centered" around the target pixel.

Parameters:

r - Radius of the box. width is 2*r

Returns:

Kernel for a Haar x-axis wavelet.

kernelHaarY

public static IntegralKernel kernelHaarY(int r,
@Nullable
@Nullable IntegralKernel ret)

Creates a kernel for the Haar wavelet "centered" around the target pixel.

Parameters:

r - Radius of the box. width is 2*r

Returns:

Kernel for a Haar y-axis wavelet.

kernelDerivXX

public static IntegralKernel kernelDerivXX(int size,
@Nullable
@Nullable IntegralKernel ret)

kernelDerivYY

public static IntegralKernel kernelDerivYY(int size,
@Nullable
@Nullable IntegralKernel ret)

kernelDerivXY

public static IntegralKernel kernelDerivXY(int size,
@Nullable
@Nullable IntegralKernel ret)

derivXX

public static void derivXX(GrayF32 input,
GrayF32 output,
int size)

derivYY

public static void derivYY(GrayF32 input,
GrayF32 output,
int size)

derivXY

public static void derivXY(GrayF32 input,
GrayF32 output,
int size)