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Performance evaluation of a JPEG-based multiple description image coder

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3 Author(s)
Ashourian, M. ; slamic Azad University, Majlesi Branch;Isfahan;IRAN ; Mohamadi, Marzieh ; Amirfattahi, R.

In this paper we design and evaluate the performance of a JPEG-based multiple description image coder. We add zeros to DCT transformed of the original image to create an over-sampled image, and split the over-sampled image into two partitions by separating image blocks. For each partition we use a baseline JPEG coder. In order to evaluate the system performance, we assume that encoded bit-streams passes through two noisy channels, and we calculate the PSNR of reconstructed images in different situations. Results show that the quality of reconstructed image in highly noisy channel improves significantly with a small increase in the transmission bit-rate.

Published in:

Information Technology, 2008. ITSim 2008. International Symposium on  (Volume:4 )

Date of Conference:

26-28 Aug. 2008