Fast two-stage Lempel-Ziv lossless numeric telemetry data compression using a neural network predictor

Logeswaran,, R (2004) Fast two-stage Lempel-Ziv lossless numeric telemetry data compression using a neural network predictor. JOURNAL OF UNIVERSAL COMPUTER SCIENCE, 10 (9). pp. 1199-1211. ISSN 0948-695X

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Abstract

Lempel-Ziv (LZ) is a popular lossless data compression algorithm that produces good compression performance, but suffers from relatively slow processing speed. This paper proposes an enhanced version of the Lempel-Ziv algorithm, through incorporation of a neural pre-processor in the popular predictor-encoder implementation. It is found that in addition to the known dramatic performance increase in compression ratio that multi-stage predictive techniques achieve, the results in this paper show that overall processing speed for the multi-stage scheme can increase by more than 15 times for lossless LZ compression of numeric telemetry data. The benefits of the proposed scheme may be expanded to other areas and applications.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA75.5-76.95 Electronic computers. Computer science
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 22 Aug 2011 06:32
Last Modified: 22 Aug 2011 06:32
URI: http://shdl.mmu.edu.my/id/eprint/2523

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