1. An efficient image encryption scheme using gray code based permutation approach. (April 2015) Authors: Chen, Jun-xin; Zhu, Zhi-liang; Fu, Chong; Yu, Hai; Zhang, Li-bo Journal: Optics and lasers in engineering Issue: Volume 67(2015) Page Start: 191 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗