Data re-ordering technique for lossless LZW continuous-tone image compression

K. S. Ng; L. M. Cheng

doi:10.1049/el:19991169

Data re-ordering technique for lossless LZW continuous-tone image compression

K. S. Ng, L. M. Cheng

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Abstract

A data re-ordering technique is proposed to enhance the compression performance of lossless LZW image compression over continuous-tone images. The proposed scheme incurs few overheads and functions as a preprocessing stage prior to actual compression. The compression performance is increased by an average of 18% for continuous-tone test images compared with the popular GIF compressor.

Original language	English
Pages (from-to)	1716-1717
Journal	Electronics Letters
Volume	35
Issue number	20
DOIs	https://doi.org/10.1049/el:19991169
Publication status	Published - Sept 1999

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title = "Data re-ordering technique for lossless LZW continuous-tone image compression",

abstract = "A data re-ordering technique is proposed to enhance the compression performance of lossless LZW image compression over continuous-tone images. The proposed scheme incurs few overheads and functions as a preprocessing stage prior to actual compression. The compression performance is increased by an average of 18% for continuous-tone test images compared with the popular GIF compressor.",

author = "Ng, {K. S.} and Cheng, {L. M.}",

year = "1999",

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AB - A data re-ordering technique is proposed to enhance the compression performance of lossless LZW image compression over continuous-tone images. The proposed scheme incurs few overheads and functions as a preprocessing stage prior to actual compression. The compression performance is increased by an average of 18% for continuous-tone test images compared with the popular GIF compressor.

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JO - Electronics Letters

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Data re-ordering technique for lossless LZW continuous-tone image compression

Abstract

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