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A robust watermarking algorithm based on QR factorization and DCT using quantization index modulation technique |
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| Authors: | Hong-yuan CHEN Yue-sheng ZHU |
| Affiliation: | Communication and Information Security Lab, Shenzhen Graduate School, Peking University, Shenzhen 518055, China |
| Abstract: | |
| Keywords: | Digital watermarking QR factorization Quantization index modulation (QIM) Discrete cosine transform (DCT) |
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