Color image watermarking scheme based on quaternion Hadamard transform and Schur decomposition

Jianzhong Li, Chuying Yu, B. B. Gupta, Xuechang Ren. Color image watermarking scheme based on quaternion Hadamard transform and Schur decomposition. Multimedia Tools Appl., 77(4):4545-4561, 2018. [doi]

Abstract

Abstract is missing.