ICIP 2006, Atlanta, GA

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Paper Detail

Session:Authentication and Cryptography
Time:Tuesday, October 10, 14:20 - 17:00
Presentation: Poster
Topic: Security: Authentication
Authors: Mohammad Awrangjeb; Monash University 
 Manzur Murshed; Monash University 
Abstract: The most significant bit (MSB)-plane of an image is least likely to change by the most signal processing operations. Watermarking techniques are, however, unable to exploit the MSB-plane, as embedding any information there introduces the highest distortion. This paper presents a novel rotation, scale, and translation (RST)-resistant multi-bit logo-based copyright protection scheme using the most significant gray-scale bits at the region-of-interest, automatically selected by the invariant centroid (IC) of the image. How the RST-attack can be reversed using the IC and geometric moments has been proposed. During verification, the test image is restored to its approximate original through reversing any possible RST attack before calculating signature. To avoid any bias, a new MSB-based attack has also been proposed. Experimental results have clearly demonstrated the superiority of the proposed scheme.