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Fast and Context-free Lossless Image Compression Algorithm based on JPEG-LS

, , , and . Data Compression Conference (DCC), 2012, Snowbird, Utah, USA, IEEE, IEEE, (April 2012)
DOI: 10.1109/DCC.2012.64

Abstract

While the context-based entropy coding and bias cancellation steps in the JPEG-LS standard are key features to its compression performance, these steps also enlarge the memory footprint, create dependencies in the data path of implementations and hence limit parallelism in modern multi-core or GPU architectures, and the throughput in hardware implementations. In the proposed modification of JPEG-LS, such most expensive parts with respect to memory space requirements and computational complexity are omitted.

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