Robust and reversible image watermarking in homomorphic encrypted domain

作者：

Highlights：

• Propose a robust reversible image watermarking scheme in encrypted domain.

• Propose a method to compute the statistical values of blocks in encrypted domain.

• Propose an integer transform to shift the statistical values in encrypted domain.

摘要

•Propose a robust reversible image watermarking scheme in encrypted domain.•Propose a method to compute the statistical values of blocks in encrypted domain.•Propose an integer transform to shift the statistical values in encrypted domain.

论文关键词：Homomorphic encryption,Reversible watermarking,Robust reversible watermarking,Paillier cryptosystem,Histogram shifting

论文评审过程：Received 7 August 2019, Revised 8 February 2021, Accepted 23 August 2021, Available online 30 August 2021, Version of Record 20 September 2021.

论文官网地址：https://doi.org/10.1016/j.image.2021.116462