Color image watermarking scheme based on quaternion Hadamard transform and Schur decomposition. - Jianzhong Li 004; Chuying Yu; Brij B. Gupta; Xuechang Ren (Multim. Tools Appl., 2018)

Four-image encryption scheme based on quaternion Fresnel transform, chaos and computer generated hologram. - Chuying Yu; Jianzhong Li 004; Xuan Li; Xuechang Ren; Brij B. Gupta (Multim. Tools Appl., 2018)

A QDCT- and SVD-based color image watermarking scheme using an optimized encrypted binary computer-generated hologram. - Jianzhong Li 004; Qun Lin; Chuying Yu; Xuechang Ren; Ping Li 018 (Soft Comput., 2018)

A provably secure delegated authentication scheme and its applications. - Qun Lin; Jianzhong Li; Xuechang Ren (Int. J. Embed. Syst., 2019)