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Image Concealment based on FEC

by Aniruddha D. Shelotkar, Vishwajit K. Barbudhe
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 54 - Number 16
Year of Publication: 2012
Authors: Aniruddha D. Shelotkar, Vishwajit K. Barbudhe
10.5120/8648-2454

Aniruddha D. Shelotkar, Vishwajit K. Barbudhe . Image Concealment based on FEC. International Journal of Computer Applications. 54, 16 ( September 2012), 8-12. DOI=10.5120/8648-2454

@article{ 10.5120/8648-2454,
author = { Aniruddha D. Shelotkar, Vishwajit K. Barbudhe },
title = { Image Concealment based on FEC },
journal = { International Journal of Computer Applications },
issue_date = { September 2012 },
volume = { 54 },
number = { 16 },
month = { September },
year = { 2012 },
issn = { 0975-8887 },
pages = { 8-12 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume54/number16/8648-2454/ },
doi = { 10.5120/8648-2454 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:55:49.686773+05:30
%A Aniruddha D. Shelotkar
%A Vishwajit K. Barbudhe
%T Image Concealment based on FEC
%J International Journal of Computer Applications
%@ 0975-8887
%V 54
%N 16
%P 8-12
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Any error-concealment technique can be applied at the decoder, it is necessary first to find out whether and where a transmission error has occurred. Error detection can be performed at the transport coder/decoder and at the image decoder. One way to perform error detection at the transport coder is by adding header information containing a sequence number. At the transport decoder, the sequence number can be used for packet-loss detection. Another method at the transport level is to use a forward error correction (FEC). There are also methods that can exploit the characteristics of natural image signals where the differences of pixel values between two neighboring lines are used for detecting transmission errors. When the difference is greater than a threshold, the current image segment is declared to be damaged. When VLC is used in the source code, any damage to a single bit can cause resynchronization, resulting in the subsequent bits being undecodable. However, this property can be used as a means to detect transmission errors. In addition, the syntax embedded in the bit stream can also be used for error detection.

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Index Terms

Computer Science
Information Sciences

Keywords

Forward Error Concealment interpolation joint source channel coding robust image transmission image system model

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