Full 4-D quaternion discrete Fourier transform based watermarking for color images

Beijing Chen, Gouenou Coatrieux, Gang Chen, Xingming Sun, Jean-Louis Coatrieux, Huazhong Shu. Full 4-D quaternion discrete Fourier transform based watermarking for color images. Digital Signal Processing, 28:106-119, 2014. [doi]

Abstract

Abstract is missing.