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Proceedings Paper

Lossless gray-scale image compression by predictive GDF
Author(s): Jun Ma
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Paper Abstract

Gray scale DF-expression (GDF) has raised some research interests recently. GDF-expression exploits data correlation on every bitplane and represents image hierarchically. In this paper, a predictive GDF-expression (PGDF) for lossless image compression is proposed which applies a predictive step to increase the spatial correlation on MSB bit-planes. The predictive GDF is compared with predictive Huffman encoding. Extensive experiments show that PGDF can achieve much better compression results than GDF and slightly better results than predictive Huffman encoding for most of the testing images.

Paper Details

Date Published: 27 August 1993
PDF: 10 pages
Proc. SPIE 1961, Visual Information Processing II, (27 August 1993); doi: 10.1117/12.150942
Show Author Affiliations
Jun Ma, Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 1961:
Visual Information Processing II
Friedrich O. Huck; Richard D. Juday, Editor(s)

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