Decoding compression with reversible embedded wavelets (CREW) codestreams

Martin P. Boliek; Michael J. Gormisch; Edward L. Schwartz; Alexander F. Keith

doi:10.1117/1.482653

1 July 1998 Decoding compression with reversible embedded wavelets (CREW) codestreams

Martin P. Boliek, Michael J. Gormisch, Edward L. Schwartz, Alexander F. Keith

Journal of Electronic Imaging, Vol. 7, Issue 3, (July 1998). https://doi.org/10.1117/1.482653

As the applications of digital imagery expand in resolution and pixel fidelity there is a greater need for more efficient compression and extraction of images and subimages. No longer is it sufficient to compress and decompress an image for a specific target device. The ability to handle many types of image data, extract images at different resolutions and quality, lossless and lossy, zoom and pan, and extract regions-of-interest are the new measures of image compression system performance. Compression with reversible embedded wavelets (CREW) is a high-quality image compression system that is progressive from high compression to lossless, and pyramidal in resolution. CREW supports regions-of-interest, and multiple image types, such as bi-level and continuous-tone. This paper describes the CREW system and format, shows how the correct data can be quickly extracted from a CREW file to support a variety of target devices, describes the mechanisms needed for panning, zooming, and fixed-size compression, and explains the superior performance on bi-level and graphic images.

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Martin P. Boliek, Michael J. Gormisch, Edward L. Schwartz, and Alexander F. Keith "Decoding compression with reversible embedded wavelets (CREW) codestreams," Journal of Electronic Imaging 7(3), (1 July 1998). https://doi.org/10.1117/1.482653

Published: 1 July 1998

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