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Optimal Threshold Selection for Wavelet Transform based on Visual Quality

by Baby Vijilin, V. K. Govindan
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 81 - Number 19
Year of Publication: 2013
Authors: Baby Vijilin, V. K. Govindan
10.5120/14272-2346

Baby Vijilin, V. K. Govindan . Optimal Threshold Selection for Wavelet Transform based on Visual Quality. International Journal of Computer Applications. 81, 19 ( November 2013), 25-28. DOI=10.5120/14272-2346

@article{ 10.5120/14272-2346,
author = { Baby Vijilin, V. K. Govindan },
title = { Optimal Threshold Selection for Wavelet Transform based on Visual Quality },
journal = { International Journal of Computer Applications },
issue_date = { November 2013 },
volume = { 81 },
number = { 19 },
month = { November },
year = { 2013 },
issn = { 0975-8887 },
pages = { 25-28 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume81/number19/14272-2346/ },
doi = { 10.5120/14272-2346 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:56:29.591323+05:30
%A Baby Vijilin
%A V. K. Govindan
%T Optimal Threshold Selection for Wavelet Transform based on Visual Quality
%J International Journal of Computer Applications
%@ 0975-8887
%V 81
%N 19
%P 25-28
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Wavelet transform technique has been used for image compression targeting high visual quality reconstructed images even with high compression ratio. A visual quality measure such as Picture Quality Scale (PQS), which correlates well with the subjective Mean Opinion Score (MOS) may be employed on the compressed image for the quantizer to select the optimum dynamic threshold. The use of optimum threshold permits the removal of redundant information, thus leading to better compression performance with acceptable picture quality. The Results obtained with the proposed approach of threshold selection is compared with the existing technique and the performance and it is found to be better in all of the cases of images or wavelets.

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Index Terms

Computer Science
Information Sciences

Keywords

Image Compression Optimum Threshold Visual quality Wavelet Transform

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