MPSteg: hiding a message in the matching pursuit domain

G. Cancelli; M. Barni; G. Menegaz

doi:10.1117/12.644545

15 February 2006 MPSteg: hiding a message in the matching pursuit domain

G. Cancelli, M. Barni, G. Menegaz

Proceedings Volume 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII; 60720P (2006) https://doi.org/10.1117/12.644545
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

In this paper we propose a new steganographic algorithm based on Matching Pursuit image decomposition. Many modern approaches to detect the presence of hidden messages are based on statistical analysis, preferably on the analysis of higher-order statistical regularities. The idea behind this work is to adaptively choose the elements of a redundant basis to represent the host image. In this way, the image is expressed as the composition of a set of structured elements resembling basic image structures such as lines, corners, and flat regions. We argue that embedding the watermark at this, more semantic, level results in a lower modification of the low-level statistical properties of the image, and hence in a lower detectability of the presence of the hidden message.

Citation Download Citation

G. Cancelli, M. Barni, and G. Menegaz "MPSteg: hiding a message in the matching pursuit domain", Proc. SPIE 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII, 60720P (15 February 2006); https://doi.org/10.1117/12.644545

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