Interband coding extension of the new lossless JPEG standard

Nasir D. Memon; Xiaolin Wu; V. Sippy; G. Miller

doi:10.1117/12.263270

10 January 1997 Interband coding extension of the new lossless JPEG standard

Nasir D. Memon, Xiaolin Wu, V. Sippy, G. Miller

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263270
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Due to the perceived inadequacy of current standards for lossless image compression, the JPEG committee of the International Standards Organization (ISO) has been developing a new standard. A baseline algorithm, called JPEG-LS, has already been completed and is awaiting approval by national bodies. The JPEG-LS baseline algorithm despite being simple is surprisingly efficient, and provides compression performance that is within a few percent of the best and more sophisticated techniques reported in the literature. Extensive experimentations performed by the authors seem to indicate that an overall improvement by more than 10 percent in compression performance will be difficult to obtain even at the cost of great complexity; at least not with traditional approaches to lossless image compression. However, if we allow inter-band decorrelation and modeling in the baseline algorithm, nearly 30 percent improvement in compression gains for specific images in the test set become possible with a modest computational cost. In this paper we propose and investigate a few techniques for exploiting inter-band correlations in multi-band images. These techniques have been designed within the framework of the baseline algorithm, and require minimal changes to the basic architecture of the baseline, retaining its essential simplicity.

Citation Download Citation

Nasir D. Memon, Xiaolin Wu, V. Sippy, and G. Miller "Interband coding extension of the new lossless JPEG standard", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263270

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