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Proceedings Paper

MPSteg: hiding a message in the matching pursuit domain
Author(s): G. Cancelli; M. Barni; G. Menegaz
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Paper 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.

Paper Details

Date Published: 15 February 2006
PDF: 9 pages
Proc. SPIE 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII, 60720P (15 February 2006); doi: 10.1117/12.644545
Show Author Affiliations
G. Cancelli, Univ. di Siena (Italy)
M. Barni, Univ. di Siena (Italy)
G. Menegaz, Univ. di Siena (Italy)

Published in SPIE Proceedings Vol. 6072:
Security, Steganography, and Watermarking of Multimedia Contents VIII
Edward J. Delp III; Ping Wah Wong, Editor(s)

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