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Context conditioning and run-length coding for hybrid, embedded progressive image coding

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4 Author(s)
Berghom, W. ; Center for Med. Diagnostic Syst. & Visualization, Bremen, Germany ; Boskamp, T. ; Lang, M. ; Peitgen, H.-O.

An analysis of spatial context conditioning and run-length coding in embedded progressive, wavelet-based image coding is presented. The analysis shows that run-length coding of certain context subsequences is superior to pure entropy coding, both in terms of coding performance and of execution speed. Based on these considerations, a novel, intuitive context conditioning scheme using a spatial distance model to describe the statistics of significant coefficients is proposed. The results for the proposed coding scheme are competitive to the best coding schemes found in the literature

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Image Processing, IEEE Transactions on  (Volume:10 ,  Issue: 12 )