A holographic transform domain image watermarking method |
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| Authors: | Alfred M Bruckstein Thomas J Richardson |
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| Affiliation: | (1) Bell Laboratories, Murray Hill, New Jersey 07974;(2) Computer Science Department, Technion, I.I.T., 32000 Haifa, Israel |
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| Abstract: | A transform domain image tagging orwatermarking method that survives image cropping (and, hence, is  holographic ) was proposed at Bell Labs in September 1994. This report analyzed in detail the various properties of this method and introduces an optimal procedure for watermark recovery. |
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