goSignal::TVL1 Class Reference

TV-regularised L1-norm approximation of an image after [1]. More...

#include <godenoise.h>

Public Member Functions
	TVL1 (goAutoPtr< goSignal3DBase< void > > f, goDouble lambda)
void	setLambda (goDouble l)
	Set weight lambda for the data term. More...
goDouble	getLambda () const
	Get weight lambda for the data term. More...
void	setAutoTimeStep (bool t)
	Set if the time step should be determined automatically. More...
goAutoPtr< goSignal3DBase< void > >	getU ()
	Get the current regularised image u. More...
bool	evolve (goDouble dt)
	Do one step of evolution. More...

Protected Member Functions
	TVL1 (const TVL1 &)
TVL1 &	operator= (const TVL1 &)

Detailed Description

TV-regularised L1-norm approximation of an image after [1].

References

[1] Chan, T. F. & Esedoglu, S.: Aspects of Total Variation Regularized $L^1$ Function Approximation. SIAM Journal on Applied Mathematics, 2005, 65, 1817-1837

Member Function Documentation

evolve()

bool NAMESPACE::TVL1::evolve

(

goDouble

dt

)

Do one step of evolution.

Updates u_n to u_{n+1}.

Parameters

dt	Discrete time step.

Returns

True if successful, false otherwise.

getLambda()

goDouble NAMESPACE::TVL1::getLambda

(

)

const

Get weight lambda for the data term.

Returns

Weight of the data term.

getU()

goAutoPtr< goSignal3DBase< void > > NAMESPACE::TVL1::getU

(

)

Get the current regularised image u.

Returns

goAutoPtr to the current estimate of the image, u.

setAutoTimeStep()

void NAMESPACE::TVL1::setAutoTimeStep

(

bool

t

)

Set if the time step should be determined automatically.

By default, this is true.

Parameters

t	Flag for automatic time step determination.

setLambda()

void NAMESPACE::TVL1::setLambda

(

goDouble

l

)

Set weight lambda for the data term.

Parameters

l

Weight.

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The documentation for this class was generated from the following files:

• godenoise.h
• godenoise.cpp