Multiple description discrete cosine transform-based image coding using DC coefficient relocation and AC coefficient interpolation

Nafees Mansoor; A. K. M. Muzahidul Islam; M. Abdur Razzak

doi:10.1117/1.JEI.22.2.023030

21 June 2013 Multiple description discrete cosine transform-based image coding using DC coefficient relocation and AC coefficient interpolation

Nafees Mansoor, A. K. M. Muzahidul Islam, M. Abdur Razzak

Author Affiliations +

Journal of Electronic Imaging, Vol. 22, Issue 2, 023030 (June 2013). https://doi.org/10.1117/1.JEI.22.2.023030

Abstract

The development of an effective and dependable multiple description coding scheme over a lossy communication system is described. A general framework of an effective multiple description robust communication system with two-channel and four-channel cases is presented with a proposed block-based DC coefficient relocation and AC coefficient interpolation approach. A benefit of such system is that, if all the channels work properly, a very good quality, probably lossless, reconstruction can be obtained from the received descriptions. On the other hand, if some of the channels do not work properly, a lower but still quiet satisfactory quality of reconstruction can be obtained. The performance of the proposed scheme is measured with mean squared error, peak signal-to-noise ratio, entropy, and bit rate to analyze the reconstruction quality, and the computed results are matched with that of the other schemes. The system complexity is also computed and compared. Comparing the simulation results, it is observed that the proposed scheme, which uses a DC coefficient relocation and AC coefficient interpolation scheme, gives comprehensive enhancements over the other recently developed schemes.

Citation Download Citation

Nafees Mansoor, A. K. M. Muzahidul Islam, and M. Abdur Razzak "Multiple description discrete cosine transform-based image coding using DC coefficient relocation and AC coefficient interpolation," Journal of Electronic Imaging 22(2), 023030 (21 June 2013). https://doi.org/10.1117/1.JEI.22.2.023030

Published: 21 June 2013

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