Matrix operations

Matrix operations on images : multiplication and transposition. More...

Detailed Description

Matrix operations on images : multiplication and transposition.

Collaboration diagram for Matrix operations:

Functions
template<class T >
RES_T	matTranspose (const Image< T > &imIn, Image< T > &imOut, string order="yxz")
	matTranspose() : 3D image transposition
template<class T >
RES_T	matTranspose (Image< T > &im, const string order="yxz")
	matTranspose() : 3D image transposition
template<class T >
RES_T	matMultiply (const Image< T > &imIn1, const Image< T > &imIn2, Image< T > &imOut)
	matMultiply() - Matrix multiplication (for now, only in 2D)

Function Documentation

matTranspose() [1/2]

template<class T >

RES_T matTranspose	(	const Image< T > &	imIn,
		Image< T > &	imOut,
		string	order = "yxz"
	)

matTranspose() : 3D image transposition

Transpose 3D images. The image is mirrored with respect to the main diagonal and the shape is adapted.

The order parameter defines where to redirect input axes. E.g. : if order is xzy, axes y and z will be exchanged.

Possible values for parameter order are : xyz, xzy, yxz, yzx, zxy, zyx, xy, yx and an empty string.

Note

• xyz and xy, does nothing but just copies input image into output image.
• yxz or yx correspond to the usual transposition of 2D matrices. When applied to 3D images, all slices are transposed.

Parameters

[in]	imIn	: input Image
[in]	order	: axis order in the output image
[out]	imOut	: output Image

matTranspose() [2/2]

template<class T >

RES_T matTranspose	(	Image< T > &	im,
		const string	order = "yxz"
	)

matTranspose() : 3D image transposition

Parameters

[in,out]	im	: input/output Image
[in]	order	: axis order in the output image

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

matMultiply()

template<class T >

RES_T matMultiply	(	const Image< T > &	imIn1,
		const Image< T > &	imIn2,
		Image< T > &	imOut
	)

matMultiply() - Matrix multiplication (for now, only in 2D)

Parameters

[in]	imIn1	: input image
[in]	imIn2	: input image
[out]	imOut	: output image \htmlonly <table border=0> <tr><td><img src="vectorized.png" /> </td><td>Vectorized</td></tr> </table> \endhtmlonly \htmlonly <table border=0> <tr><td><img src="parallelized.png" /> </td><td>Parallelized</td></tr> </table> \endhtmlonly