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- W1503104042 abstract "In this paper a watermarking scheme is presented that embeds the watermark message in randomly chosen coefficients along a ring in the frequency domain using non maximal pseudorandom sequences. The proposed method determines the longest possible sequence that corresponds to each watermark bit for a given number of available coefficients. Furthermore, an extra parameter is introduced that controls the robustness versus security performance of the encoding process. This parameter defines the size of a subset of available coefficients in the transform domain which are used for watermark embedding. Experimental results show that the method is robust to a variety of image processing operations and geometric transformations." @default.
- W1503104042 created "2016-06-24" @default.
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- W1503104042 date "2007-01-01" @default.
- W1503104042 modified "2023-09-30" @default.
- W1503104042 title "A ROBUST IMAGE WATERMARKING TECHNIQUE BASED ON SPECTRUM ANALYSIS AND PSEUDORANDOM SEQUENCES" @default.
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- W1503104042 doi "https://doi.org/10.5220/0002059901210126" @default.
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