Title of article
Cosine transform based preconditioners for total variation deblurring
Author/Authors
Chan، نويسنده , , R.H.، نويسنده , , Chan، نويسنده , , T.F.، نويسنده , , Chiu-Kwong Wong ، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1999
Pages
7
From page
1472
To page
1478
Abstract
In PDE image restoration problems, one has to invert
operators which is a sum of a blurring operator and an elliptic operator
with highly varying coefficient. We present a preconditioner for such
operators, which can be used with the conjugate gradient (CG) method,
and compare it with Vogel and Oman’s product preconditioner.
Keywords
preconditioned conjugate gradientmethod , total variation. , Image deblurring
Journal title
IEEE TRANSACTIONS ON IMAGE PROCESSING
Serial Year
1999
Journal title
IEEE TRANSACTIONS ON IMAGE PROCESSING
Record number
396280
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