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Wavelet shrinkage techniques for images

by Mrs.S.S.Patil, Mr.A.B.Patil, Mrs.S.C.Deshmukh, Mrs.M.N.Chavan
journal cover thumbnail

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 7 - Number 1
Year of Publication: 2010
Authors: Mrs.S.S.Patil, Mr.A.B.Patil, Mrs.S.C.Deshmukh, Mrs.M.N.Chavan
10.5120/1133-1484

Mrs.S.S.Patil, Mr.A.B.Patil, Mrs.S.C.Deshmukh, Mrs.M.N.Chavan . Wavelet shrinkage techniques for images. International Journal of Computer Applications. 7, 1 ( September 2010), 7-11. DOI=10.5120/1133-1484

@article{ 10.5120/1133-1484,
author = { Mrs.S.S.Patil, Mr.A.B.Patil, Mrs.S.C.Deshmukh, Mrs.M.N.Chavan },
title = { Wavelet shrinkage techniques for images },
journal = { International Journal of Computer Applications },
issue_date = { September 2010 },
volume = { 7 },
number = { 1 },
month = { September },
year = { 2010 },
issn = { 0975-8887 },
pages = { 7-11 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume7/number1/1133-1484/ },
doi = { 10.5120/1133-1484 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T19:55:18.028842+05:30
%A Mrs.S.S.Patil
%A Mr.A.B.Patil
%A Mrs.S.C.Deshmukh
%A Mrs.M.N.Chavan
%T Wavelet shrinkage techniques for images
%J International Journal of Computer Applications
%@ 0975-8887
%V 7
%N 1
%P 7-11
%D 2010
%I Foundation of Computer Science (FCS), NY, USA
Abstract

An image is often corrupted by noise in its acquisition and transmission. Image denoising is used to remove the additive noise while retaining as much as possible the important image features. The motivation is that as wavelet transform is good at energy compaction, the small coefficients are more likely due to noise and large coefficient due to important signal features [6]. The proposed technique is based upon the analysis of wavelet transform which uses a soft thresholding method for thresholding the small coefficients without affecting the significant features of the image. In the proposed work, image denoising is studied using various wavelets for different images with two different noises at various levels of decomposition and comparison is done between the e three methods of wavelet shrinkage techniques.

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Index Terms

Computer Science
Information Sciences

Keywords

Wavelet shrinkage techniques Wavelet filters Wavelet transform

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