Hiding-based compression for improved color image coding

Patrizio Campisi; Deepa Kundur; Dimitrios Hatzinakos; Alessandro Neri

doi:10.1117/12.465280

29 April 2002 Hiding-based compression for improved color image coding

Patrizio Campisi, Deepa Kundur, Dimitrios Hatzinakos, Alessandro Neri

Proceedings Volume 4675, Security and Watermarking of Multimedia Contents IV; (2002) https://doi.org/10.1117/12.465280
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

This paper considers the use of data hiding strategies for improved color image compression. Specifically, color information is piggybacked on the luminance component of the image in order to reduce the overall signal storage requirements. A practical wavelet-based data hiding scheme is proposed in which selected perceptually irrelevant luminance bands are replaced with perceptually salient chrominance components. Simulation results demonstrate the improvement in compression quality of the proposed scheme to SPIHT and JPEG at low bit rates. The novel technique also has the advantage that it can be used to further reduce the storage requirements of algorithms such as SPIHT which is optimized for grayscale image compression.

Citation Download Citation

Patrizio Campisi, Deepa Kundur, Dimitrios Hatzinakos, and Alessandro Neri "Hiding-based compression for improved color image coding", Proc. SPIE 4675, Security and Watermarking of Multimedia Contents IV, (29 April 2002); https://doi.org/10.1117/12.465280

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