Adaptive Color Image Watermarking by the use of Quaternion Image Moments – Expert Systems With Applications, vol. 41, no. 14
E.D. Tsougenis, G.A. Papakostas, D.E. Koulouriotis and E.G. Karakasis, “Adaptive Color Image Watermarking by the use of Quaternion Image Moments», Expert Systems With Applications, vol. 41, no. 14, pp. 6408-6418, 2014.