Color image watermarking based on quaternion Fourier transform and improved uniform log-polar mapping

Junlin Ouyang, Gouenou Coatrieux, Beijing Chen, Huazhong Shu. Color image watermarking based on quaternion Fourier transform and improved uniform log-polar mapping. Computers & Electrical Engineering, 46:419-432, 2015. [doi]

Abstract

Abstract is missing.