Improving JPEG-LS performance using location information

Jae Hyeon Woo, Hyong Joong Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

JPEG-LS is an international standard for lossless or near-lossless image-compression algorithms. In this paper, a simple method is proposed to improve the performance of the lossless JPEG-LS algorithm. With respect to JPEG-LS and its supplementary explanation, Golomb-Rice (GR) coding is mainly used for entropy coding, but it is not used for long codewords. The proposed method replaces a set of long codewords with a set of shorter location map information. This paper shows how efficiently the location map guarantees reversibility and enhances the compression rate in terms of performance. Experiments have also been conducted to verify the efficiency of the proposed method.

Original languageEnglish
Pages (from-to)5547-5562
Number of pages16
JournalKSII Transactions on Internet and Information Systems
Volume10
Issue number11
DOIs
Publication statusPublished - 2016 Nov 30

Keywords

  • Golomb code
  • Golomb-Rice
  • JPEG-LS
  • Location map
  • Lossless compression

ASJC Scopus subject areas

  • Information Systems
  • Computer Networks and Communications

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