mct.h File Reference

Implementation of a multi-component transforms (MCT). More...

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Functions
Exported functions
void	mct_encode (int *c0, int *c1, int *c2, int n)
	Apply a reversible multi-component transform to an image.
void	mct_decode (int *c0, int *c1, int *c2, int n)
	Apply a reversible multi-component inverse transform to an image.
double	mct_getnorm (int compno)
	Get norm of the basis function used for the reversible multi-component transform.
void	mct_encode_real (int *c0, int *c1, int *c2, int n)
	Apply an irreversible multi-component transform to an image.
void	mct_decode_real (float *c0, float *c1, float *c2, int n)
	Apply an irreversible multi-component inverse transform to an image.
double	mct_getnorm_real (int compno)
	Get norm of the basis function used for the irreversible multi-component transform.

Detailed Description

Implementation of a multi-component transforms (MCT).

The functions in MCT.C have for goal to realize reversible and irreversible multicomponent transform. The functions in MCT.C are used by some function in TCD.C.

Function Documentation

mct_decode()

void mct_decode	(	int *	c0,
		int *	c1,
		int *	c2,
		int	n )

Apply a reversible multi-component inverse transform to an image.

Parameters

c0	Samples for luminance component
c1	Samples for red chrominance component
c2	Samples for blue chrominance component
n	Number of samples for each component

mct_decode_real()

void mct_decode_real	(	float *	c0,
		float *	c1,
		float *	c2,
		int	n )

Apply an irreversible multi-component inverse transform to an image.

Parameters

c0	Samples for luminance component
c1	Samples for red chrominance component
c2	Samples for blue chrominance component
n	Number of samples for each component

mct_encode()

void mct_encode	(	int *	c0,
		int *	c1,
		int *	c2,
		int	n )

Apply a reversible multi-component transform to an image.

Parameters

c0	Samples for red component
c1	Samples for green component
c2	Samples blue component
n	Number of samples for each component

mct_encode_real()

void mct_encode_real	(	int *	c0,
		int *	c1,
		int *	c2,
		int	n )

Apply an irreversible multi-component transform to an image.

Parameters

c0	Samples for red component
c1	Samples for green component
c2	Samples blue component
n	Number of samples for each component

mct_getnorm()

double mct_getnorm

(

int

compno

)

Get norm of the basis function used for the reversible multi-component transform.

Parameters

compno

Number of the component (0->Y, 1->U, 2->V)

Returns

References mct_norms.

Referenced by t1_getwmsedec().

mct_getnorm_real()

double mct_getnorm_real

(

int

compno

)

Get norm of the basis function used for the irreversible multi-component transform.

Parameters

compno

Number of the component (0->Y, 1->U, 2->V)

Returns

References mct_norms_real.

Referenced by t1_getwmsedec().