Error resilient DCT image coding with pre/post-filtering and Wiener filtering

Jie Liang; Chengjie Tu; Trac D. Tran; Lu Gan

doi:10.1117/12.632651

24 June 2005 Error resilient DCT image coding with pre/post-filtering and Wiener filtering

Jie Liang, Chengjie Tu, Trac D. Tran, Lu Gan

Proceedings Volume 5960, Visual Communications and Image Processing 2005; 59603L (2005) https://doi.org/10.1117/12.632651
Event: Visual Communications and Image Processing 2005, 2005, Beijing, China

Abstract

A pre/post-filtering framework for DCT image coding has been proposed recently. Together withWiener filtering technique, the new framework has been investigated for error resilient image coding. In this paper, after a review of existing methods, we analyze the limitation associated with one of the current design criteria, the reconstruction gain, and propose an alternative that offers better control of the error distribution, thereby improving the visual quality of the reconstructed image in the presence of transmission error. The performance of the proposed scheme is demonstrated through various multiple description coding (MDC) simulations.

Citation Download Citation

Jie Liang, Chengjie Tu, Trac D. Tran, and Lu Gan "Error resilient DCT image coding with pre/post-filtering and Wiener filtering", Proc. SPIE 5960, Visual Communications and Image Processing 2005, 59603L (24 June 2005); https://doi.org/10.1117/12.632651

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