Iterative decoding of Jpeg coded images with channel coding in bit-rate analysis

Tsung Han Tsai, Shin Yo Lin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper we investigate iterative decoding of JPEG coded images combined with channel coding in bit-rate over noisy channels. The bit-rates and forward error correction are considered in different channel conditions. The bit-rate can be produced different image quality and data. The lower bit-rate presents the worse image quality, but the image data is less. However, the channel encoder gives a little error protection after the source encoder. The Turbo decoder can produce a good image quality by several iterations. By these iterations mechanism, the lower bit-rate compression also presents a good image quality after source decoding. The increase the number of iteration gains the average of the PSNR up to 8-9 dB in the same bit-rate in the channel conditions. We propose the lower bit-rate image quality also achieving the corresponding performance than high bit-rate image quality by the corresponding iterations. The minor performance of the PSNR can be improved more than 5 iterations. Therefore, the iterative decoding scheme can be achieved in a real-time system.

Original languageEnglish
Title of host publicationProceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies
Subtitle of host publicationFrontiers of Mobile and Wireless Communication
Pages309-312
Number of pages4
StatePublished - 2004
EventProceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless Communication - Shanghai, China
Duration: 31 May 20042 Jun 2004

Publication series

NameProceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless Communication
Volume1

Conference

ConferenceProceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless Communication
Country/TerritoryChina
CityShanghai
Period31/05/042/06/04

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