Uses of Class
org.openimaj.image.processing.convolution.FConvolution

Packages that use FConvolution

Package	Description
org.openimaj.image.processing.convolution
org.openimaj.image.processing.convolution.filterbank

Uses of FConvolution in org.openimaj.image.processing.convolution

Subclasses of FConvolution in org.openimaj.image.processing.convolution

Modifier and Type	Class and Description
static class	CompassOperators.Compass0 The Compass0 operator
static class	CompassOperators.Compass135 The Compass135 operator
static class	CompassOperators.Compass45 The Compass45 operator
static class	CompassOperators.Compass90 The Compass90 operator
class	Disk Disk - a circular averaging filter.
class	FSobelX Returns a kernel which is the x derivative of a gaussian of sigma 1
class	FSobelY Returns a kernel which is the y derivative of a gaussian of sigma 1
class	Gaussian2D Simple 2D Gaussian convolution.
class	Laplacian3x3 A convolution operator with a 3x3 kernel approximating the Laplacian.
class	LaplacianOfGaussian2D 2D Laplacian of Gaussian filter

Fields in org.openimaj.image.processing.convolution declared as FConvolution

Modifier and Type	Field and Description
static FConvolution	BasicDerivativeKernels.DX_KERNEL kernel approximating the first derivative of a low-sigma gaussian in the x-direction [-0.5, 0, 0.5].
static FConvolution	BasicDerivativeKernels.DXX_KERNEL kernel approximating the second derivative of a low sigma gaussian in the x-direction [1, -2, 1].
static FConvolution	BasicDerivativeKernels.DXXXX_KERNEL kernel approximating the fourth derivative of a low sigma gaussian in the x-direction [1,-4,6,-4,1]^T Useful for giving an estimate of the fourth derivative in y of any given point
static FConvolution	BasicDerivativeKernels.DXXYY_KERNEL kernel approximating the second derivative of a low sigma gaussian in the x-direction and y-direction [[1,-2,1],[-2,4,-2],[1,-2,1]] .
static FConvolution	BasicDerivativeKernels.DXY_KERNEL kernel approximating the first derivative of a low sigma gaussian in the x-direction and y-direction [[-0.25, 0, 0.25], [0, 0, 0], [0.25, 0, -0.25]] .
static FConvolution	BasicDerivativeKernels.DY_KERNEL kernel approximating the first derivative of a low-sigma gaussian in the y-direction [-0.5, 0, 0.5]'.
static FConvolution	BasicDerivativeKernels.DYY_KERNEL kernel approximating the second derivative of a low sigma gaussian in the y-direction [1, -2, 1]'.
static FConvolution	BasicDerivativeKernels.DYYYY_KERNEL kernel approximating the fourth derivative of a low sigma gaussian in the y-direction [1,-4,6,-4,1]^T Useful for giving an estimate of the fourth derivative in y of any given point

Uses of FConvolution in org.openimaj.image.processing.convolution.filterbank

Methods in org.openimaj.image.processing.convolution.filterbank that return FConvolution

Modifier and Type	Method and Description
protected static FConvolution[]	SchmidFilterBank.makeFilters(int SUP)
protected static FConvolution[]	RootFilterSetFilterBank.makeFilters(int size)
protected static FConvolution[]	LeungMalikFilterBank.makeFilters(int size)

Constructors in org.openimaj.image.processing.convolution.filterbank with parameters of type FConvolution

Constructor and Description
FilterBank(FConvolution[] filters)