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Author:

Shi, Yunhui (Shi, Yunhui.) (Scholars:施云惠) | Yin, Baocai (Yin, Baocai.) (Scholars:尹宝才) | Kong, Dehui (Kong, Dehui.) (Scholars:孔德慧) | Lu, Tailong (Lu, Tailong.)

Indexed by:

EI Scopus

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. © 2009 Springer-Verlag Berlin Heidelberg.

Keyword:

Wavelet decomposition Signal sampling Image coding Coding errors Codes (symbols) Textures Interpolation Pulse code modulation Forestry

Author Community:

  • [ 1 ] [Shi, Yunhui]Department of Computer Science and Technology, Beijing University of Technology, Beijing, China
  • [ 2 ] [Yin, Baocai]Department of Computer Science and Technology, Beijing University of Technology, Beijing, China
  • [ 3 ] [Kong, Dehui]Department of Computer Science and Technology, Beijing University of Technology, Beijing, China
  • [ 4 ] [Lu, Tailong]Department of Computer Science and Technology, Beijing University of Technology, Beijing, China

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Source :

ISSN: 0302-9743

Year: 2009

Volume: 5879 LNCS

Page: 1257-1262

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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