Abstract
Multiple description coding (MDC) is a way of trading off coding gain with robustness to channel errors. This paper presents a novel and efficient two-description image coding scheme in wavelet domain. Here, the two-layered MDC method is adopted based on the feature of wavelet coefficients. Firstly, the low-frequency wavelet coefficients are partitioned into two new correlated groups as two basic descriptions with pairwise correlating transform (PCT). Secondly, we can get two enhanced descriptions from the high-frequency wavelet subbands of the highest-level decomposition by adaptive down-sampling. Finally, four template operators are adopted to detect the texture direction of high-frequency subbands, and we use the Wavelet Domain Interpolation for tree Reconstruction (WDIR) to conceal coefficients loss in Wavelet-Trees with the texture direction when one enhanced description lost during transmission. Experimental results demonstrate that the proposed MDC scheme can achieve good coding performance.
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© 2009 Springer-Verlag Berlin Heidelberg
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Shi, Y., Yin, B., Kong, D., Lu, T. (2009). A Novel Multiple-Description Image Coding on Wavelet. In: Muneesawang, P., Wu, F., Kumazawa, I., Roeksabutr, A., Liao, M., Tang, X. (eds) Advances in Multimedia Information Processing - PCM 2009. PCM 2009. Lecture Notes in Computer Science, vol 5879. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10467-1_128
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DOI: https://doi.org/10.1007/978-3-642-10467-1_128
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-10466-4
Online ISBN: 978-3-642-10467-1
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