An online preprocessing technique for improving the lossless compression of images with sparse histograms

An online preprocessing technique for improving the lossless compression of images with sparse histograms

This article addresses the problem of improving the efficiency of lossless compression of images with sparse histograms. An online preprocessing technique is proposed, which, although very simple, is able to provide significant improvements in the compression ratio of the images that it targets and...

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Veröffentlicht in:IEEE signal processing letters 2002-01, Vol.9 (1), p.5-7
1. Verfasser: Pinho, A.J.
Format: Artikel
Sprache:eng
Schlagworte:
Codecs
Compressing
Discrete wavelet transforms
Error correction
Histograms
Image coding
Lossless
On-line systems
Online
Performance loss
Preprocessing
Rate-distortion
Robustness
Standardization
Transform coding
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Beschreibung
Zusammenfassung:This article addresses the problem of improving the efficiency of lossless compression of images with sparse histograms. An online preprocessing technique is proposed, which, although very simple, is able to provide significant improvements in the compression ratio of the images that it targets and shows a good robustness on other images.
ISSN:1070-9908
1558-2361
DOI:10.1109/97.988715