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- W3147910016 abstract "Yanwei Yu, Zhengding Lu, Hefei Ling College of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074 Abstract: As a solution to counter geometrical attacks, a localized image watermarking algorithms embed the watermark into each local regions referring to image features. To redetect the local regions for embedding the watermark in the watermark detection process, the feature as the reference should be robust. The scale invariant feature points are used as the reference to synchronize the watermark. To make the distribution of the reference even and stable, the references are selected out of the scale invariant points by using the adaptive radius of the neighbor. A Delaunay tessellation is performed on the selected points and each triangle of the tessellation are use as the region for embedding the watermark. Experimental results show that most local regions for embedding the watermark can be redetected after common signal attacks and geometrical attacks including rotation, scaling, cropping and slight aspect ratio change, and It is feasible by using the scale invariant feature points to synchronize the watermark." @default.
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- W3147910016 date "2008-01-01" @default.
- W3147910016 modified "2023-09-23" @default.
- W3147910016 title "Application of Scale Invariant Feature points in Localized Image Watermarking Algorithms" @default.
- W3147910016 hasPublicationYear "2008" @default.
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