On the difficulty of aligning VSS random grids

作者：

Highlights：

• Recover the secret image without the need to align the shares precisely.

• A deviation-tolerant RG-based VSS method without pixel expansion.

• The proposed scheme has higher misalignment tolerance.

摘要

•Recover the secret image without the need to align the shares precisely.•A deviation-tolerant RG-based VSS method without pixel expansion.•The proposed scheme has higher misalignment tolerance.

论文关键词：Visual cryptography,Random grid,Visual secret sharing,Alignment problem

论文评审过程：Received 28 June 2015, Revised 21 March 2016, Accepted 21 March 2016, Available online 25 March 2016, Version of Record 13 April 2016.

论文官网地址：https://doi.org/10.1016/j.image.2016.03.006