DocumentCode
1427394
Title
Piecewise-quadratic filter for image restoration
Author
Li, W. ; Lin, J.-N. ; Unbehauen, R.
Author_Institution
Lehrstuhl fur Allgemeine und Theor. Elektrotech., Erlangen-Nurnberg Univ., Germany
Volume
34
Issue
17
fYear
1998
fDate
8/20/1998 12:00:00 AM
Firstpage
1658
Lastpage
1660
Abstract
A new kind of nonlinear filter, the piecewise-quadratic (PWQ) filter, is presented. This kind of filter is based on canonical PWQ functions, and enables filtering via domain partition and local processing which is particularly suitable for processing signals with various statistical properties such as images. The application of such a filter in restoring noisy images with Gaussian and uniform noise distributions is shown
Keywords
Gaussian noise; image restoration; nonlinear filters; Gaussian noise distribution; canonical PWQ function; domain partition; image restoration; local processing; nonlinear filter; piecewise-quadratic filter; signal processing; statistical properties; uniform noise distribution;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19981190
Filename
715276
Link To Document