A hybrid approach to digital image watermarking using singular value decomposition and spread spectrum

Authors:
Kunal Bhandari;Suman K. Mitra;Ashish Jadhav
Affiliations:
Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India;Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India;Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India
Venue:
PReMI'05 Proceedings of the First international conference on Pattern Recognition and Machine Intelligence
Year:
2005

Citing 3
Cited 0

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Abstract

This paper compares the most utilized spread spectrum technique with the newly evolved technique based on Singular Value Decomposition (SVD) for watermarking digital images. Both techniques are tested for a variety of attacks and the simulation results show that the watermarks generated by these techniques have complimentary robustness properties. A new hybrid technique, combining both paradigms, is proposed that is capable of surviving an extremely wide range of attacks. An image is first watermarked using spread spectrum and then a SVD based watermark is added to the watermarked image. The resulting double watermarked image is extremely robust to a wide range of distortions.