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In this paper, a novel scheme for watermarking QR-code is proposed based on Singular Value Decomposition (SVD) in Nonsubsampled Contour let Transform (NSCT) and Contour let Transform (CT). For extraction actuality and detection accuracy, CT is performed before decomposing each block segmented from the chosen sub-band for singular values. Unlike the published work in this area, which quantizes certain...
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