1. Gyrator transform based double random phase encoding with sparse representation for information authentication. (July 2015) Authors: Chen, Jun-xin; Zhu, Zhi-liang; Fu, Chong; Yu, Hai; Zhang, Li-bo Journal: Optics & laser technology Issue: Volume 70(2015) Page Start: 50 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗