A new multiplicative watermark detector in the contourlet domain using t Location-Scale distribution

作者：

Highlights：

• Modeling contourlet coefficients using t Location-Scale distribution.

• Study adaptation between t Location-Scale distribution and contourlet coefficients.

• Designing a contourlet domain multiplicative watermark detector using LRT.

• Deriving ROC of the watermark detector theoretically and analyzing its performance.

摘要

•Modeling contourlet coefficients using t Location-Scale distribution.•Study adaptation between t Location-Scale distribution and contourlet coefficients.•Designing a contourlet domain multiplicative watermark detector using LRT.•Deriving ROC of the watermark detector theoretically and analyzing its performance.

论文关键词：Statistical modeling,Contourlet transform,t Location-Scale distribution,Multiplicative watermark,Likelihood ratio test

论文评审过程：Received 8 April 2017, Revised 22 November 2017, Accepted 9 December 2017, Available online 11 December 2017, Version of Record 27 December 2017.

论文官网地址：https://doi.org/10.1016/j.patcog.2017.12.006