PCIF: An Algorithm for Lossless True Color Image Compression

Authors:
Elena Barcucci;Srecko Brlek;Stefano Brocchi
Affiliations:
Dipartimento di Sistemi e Informatica, Università di Firenze, Firenze, Italy 50134;LaCIM, Université du Québec à Montréal, Montréal (QC), Canada H3C3P8;Dipartimento di Sistemi e Informatica, Università di Firenze, Firenze, Italy 50134
Venue:
IWCIA '09 Proceedings of the 13th International Workshop on Combinatorial Image Analysis
Year:
2009

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Abstract

An efficient algorithm for compressing true color images is proposed. The technique uses a combination of simple and computationally cheap operations. The three main steps consist of predictive image filtering, decomposition of data, and data compression through the use of run length encoding, Huffman coding and grouping the values into polyominoes. The result is a practical scheme that achieves good compression while providing fast decompression. The approach has performance comparable to, and often better than, competing standards such JPEG 2000 and JPEG-LS.