CSimpleAosOp class Reference

Purpose: Fast Computation of Complex AOS recursive flow.
Use the Complex Thomas LU model.
Semi-Implicit solver using AOS additive splitting

(I - tau * A) * uNew= uOld

Should be better than LOD: Rotation invariant.

LOD is sequential (handelling each direction x y z in sequence)

AOS is parallel (handelling each direction x y z at the same time)
AOS build an average operator

Both LOD and AOS are designed for large image restoration, O(N) in time ang space!!!

For blurring, we include the complex LOD heat flow which blur with sigma= t^2/2.

Papers: "Complex Diffusion Processes in Image Filtering",
Guy Gilboa & all, Report 2001, Israel Institut of Technology.
"Image Enhancement and Denoising by Complex Diffusion Processes",
Guy Gilboa, Zeevi, Sochen, Report August 2002, Israel Institut of Technology.
"Evaluation of Diffusion Schemes for Multi-scale Watershed Segmentation",
Erik Dam, 2000.
"Recursivity and PDE's in image processing",
L. Alvarez, R. Deriche and F Santana, Spain 1998.
"Efficient and Reliable Schemes for Nonlinear Diffusion Filtering",
J. Weickert & all, IEEE transact. on image processing, vol7, n3, March 1998.

@ Copyrights: Bernard De Cuyper & Eddy Fraiha 2003, Eggs & Pictures. MIT/Open BSD copyright model.


Public Methods
	CSimpleAosOp (int iterations=8, double t=0.5, double ctheta=0.001, double k=16.0, double asigma=5.0, bool iirFlag=false, bool nonLinearFlag=true)
virtual	~CSimpleAosOp ()
virtual CImage *	filter (CImage src, CImage dest=0)
	Local full image filtering.
virtual CImage *	selectedFilter (AnImage mask, CImage src, CImage *dest=0)
	Local filtering in a mask area.
virtual void	report (FILE *file)
Protected Methods
virtual void	init (CImage *im)
virtual void	gradientRegularisation (CImage *im)
virtual RComplex	g (int i, int j)=0
Protected Attributes
int	m
int	w
int	h
int	iterMax
double	tau
double	K
double	K2
double	theta
double	sigma
bool	iirUsed
bool	nonLinear
AbsCImageFilter *	blurrer
AbsCImageFilter *	gradient
CImage *	Isigma
CImage *	IgradNorme
AbsCTriDiagonalLS *	hCThomasLS
AbsCTriDiagonalLS *	vCThomasLS

Member Function Documentation

CImage * CSimpleAosOp::filter	(	CImage *	src,
		CImage *	dest = 0
	)	`[virtual]`

Local full image filtering.

Parameters:

src	is CImage* is CImage source channel
dest	is CImage* is CImage result/placeholder

Returns :: CImage* as result,

Implements AbsCImageFilter.

CImage * CSimpleAosOp::selectedFilter	(	AnImage *	mask,
		CImage *	src,
		CImage *	dest = 0
	)	`[virtual]`

Local filtering in a mask area.

Parameters:

mask	is AnImage* is a ByteImage
src	is CImage* is CImage source channel
dest	is CImage* is CImage result/placeholder

Returns :: CImage* as result,

Reimplemented from AbsCImageFilter.

CSimpleAosOp Class Reference

Detailed Description

Public Methods

Protected Methods

Protected Attributes

Member Function Documentation