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Frame based multiple description image coding in the wavelet domain

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4 Author(s)
Channappayya, S.S. ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA ; Joonsoo Lee ; Heath, R.W. ; Bovik, A.C.

Multiple description codes generated by quantized frame expansions have been shown to perform well on erasure channels when compared to traditional channel codes. In this paper we propose a multiple description image coding scheme in the wavelet domain using quantized frame expansions. We form zerotrees from wavelet coefficients and apply a tight frame operator to the zerotrees. We then group appropriate expansions to form packets and evaluate the performance of the scheme over an erasure channel. We compare the performance of the proposed scheme with a conventional channel coding scheme.

Published in:

Image Processing, 2005. ICIP 2005. IEEE International Conference on  (Volume:3 )

Date of Conference:

11-14 Sept. 2005