Near-lossless compression by relaxation-labeled 3D prediction

Bruno Aiazzi; Luciano Alparone; Stefano Baronti; Franco Lotti

doi:10.1117/12.411848

29 December 2000 Near-lossless compression by relaxation-labeled 3D prediction

Bruno Aiazzi, Luciano Alparone, Stefano Baronti, Franco Lotti

Proceedings Volume 4310, Visual Communications and Image Processing 2001; (2000) https://doi.org/10.1117/12.411848
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

In this work, near-lossless compression, i.e., yielding strictly bounded reconstruction error, is proposed for high- quality data compression. An interframe causal DPCM scheme is presented for interframe compression of remotely sensed optical data, both multispectral and hyperspectral, as well as of volumetric medical data. The proposed encoder relies on a classified linear-regression prediction, followed by context- based arithmetic coding of the outcome prediction errors. It provides outstanding performances, both for reversible and for irreversible, i.e., near-lossless, compression. Coding time are affordable thanks to fast convergence of training. Decoding is always performed in real time.

Citation Download Citation

Bruno Aiazzi, Luciano Alparone, Stefano Baronti, and Franco Lotti "Near-lossless compression by relaxation-labeled 3D prediction", Proc. SPIE 4310, Visual Communications and Image Processing 2001, (29 December 2000); https://doi.org/10.1117/12.411848

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