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Security Analysis of Two Key based Watermarking Schemes Based on QR Decomposition

Mojtaba Mahdavi , Pegah Nikbakht bideh , Samira Hosseini , AmirAhmad Chapnevis ,

watermarking algorithms , targeted attack , key , besed algorithm ,

ايران

Sima Arasteh

watermarking algorithms; targeted attack; key-besed algorithm;