TITLE

Joint Source and Channel Coding for MPEG-4 using Steganography of Channel Coding Information

AUTHOR(S)
Hassan Farsi; Pouriya Etezadifar
PUB. DATE
December 2013
SOURCE
Majlesi Journal of Electrical Engineering;Dec2013, Vol. 7 Issue 4, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The progress of the technology in the recent decades has caused the video transmission by communication channels to meet high demands. Therefore, many methods have been proposed to improve the quality of the video under channel errors. The aim of this paper is to increase the Peak Signal to the Noise Ratio (PSNR) for video reconstructed by the receiver .This is achieved by increasing channel encoder rate but in constant transmission rate. In the proposed method the video frames' parts containing more energy are coded by the local channel coding inside the source encoder. Then, the resulted data is embedded in the low power frames' parts. The proposed method is able to increase the channel coding rates without increasing the amount of the information for any frame. This method provides more robustness for video frames against channel errors. The proposed method is tested for different source coding rates and several Signals to Noise Ratio (SNRs) for channel and the obtained results are compared with a new method.
ACCESSION #
94790764

 

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