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A novel optimal color image watermarking scheme in DWT domain is proposed in this paper to meet the watermarking properties: security, imperceptibility and robustness. In the scheme, watermark comes from a meaningful gray image encrypted by two-dimensional chaotic stream encryption. In the procedure of watermark embedding, the watermark is embedded into(More)
Peng, Lisen, "Implementing ZigBee-assisted power saving management for short-delay traffics" (2013). Graduate Theses and Dissertations. Paper 13599. ii DEDICATION I would like to dedicate this thesis to my wife Yue without whose support I would not have finished this work. I would also like to thank my friends and family for their assistance during the(More)
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