20 July 2007, Volume 46, Issue 21, pp. 4533-4851
39 articles
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A single-channel digital color-image watermarking system utilizing phase-shifting interferometry and a neighboring pixel value subtraction algorithm may avoid the cross-talk noise and enhance the imperceptibility of hidden data. Here, the figures show the results of watermark embedding: (a) enlarged color host image "Baboon"; (b)-(d) superposed image with weighting factors of 0.01, 0.05, and 0.1, respectively. For further details, see the paper by Meng et al., pp. 4694- 4701.
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