surf
Class My_GAUSS_Convolution

java.lang.Object
  surf.My_GAUSS_Convolution

All Implemented Interfaces:

GAUSS_Convolution

public class My_GAUSS_Convolution
extends java.lang.Object
implements GAUSS_Convolution

A standard implementation of the GAUSS_Convolution interface.

Author:

Alessandro Martini, Claudio Fantacci

Constructor Summary

My_GAUSS_Convolution(Integral_Image integralImage)

Method Summary

float	makeConvolutionDxx(int x, int y, int filtersize) Computes the Gaussian second oder partial derivative in in x-direction and returns the value of the (x,y) point for a filter large as specified.
float	makeConvolutionDxy(int x, int y, int filtersize) Computes the Gaussian second oder partial derivative in in xy-direction and returns the value of the (x,y) point for a filter large as specified.
float	makeConvolutionDyy(int x, int y, int filtersize) Computes the Gaussian second oder partial derivative in in y-direction and returns the value of the (x,y) point for a filter large as specified.

Methods inherited from class java.lang.Object

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

Constructor Detail

My_GAUSS_Convolution

public My_GAUSS_Convolution(Integral_Image integralImage)

Method Detail

makeConvolutionDxx

public float makeConvolutionDxx(int x,
                                int y,
                                int filtersize)

Description copied from interface: GAUSS_Convolution

Computes the Gaussian second oder partial derivative in in x-direction and returns the value of the (x,y) point for a filter large as specified.

Specified by:

makeConvolutionDxx in interface GAUSS_Convolution

Returns:

float Gauss Convolution value in the x-direction for the specified Interest Point.

makeConvolutionDxy

public float makeConvolutionDxy(int x,
                                int y,
                                int filtersize)

Description copied from interface: GAUSS_Convolution

Computes the Gaussian second oder partial derivative in in xy-direction and returns the value of the (x,y) point for a filter large as specified.

Specified by:

makeConvolutionDxy in interface GAUSS_Convolution

Returns:

float Gauss Convolution value in the xy-direction for the specified Interest Point.

makeConvolutionDyy

public float makeConvolutionDyy(int x,
                                int y,
                                int filtersize)

Description copied from interface: GAUSS_Convolution

Computes the Gaussian second oder partial derivative in in y-direction and returns the value of the (x,y) point for a filter large as specified.

Specified by:

makeConvolutionDyy in interface GAUSS_Convolution

Returns:

float Gauss Convolution value in the y-direction for the specified Interest Point.