A Wavelet-Based Watermarking for Digital Images and Video. - Masataka Ejima; Akio Miyazaki (ICIP, 2000)

On the evaluation of performance of digital watermarking in the frequency domain. - Masataka Ejima; Akio Miyazaki (ICIP (2), 2001)

On the evaluation of performance of correlation-based watermarking techniques in the frequency domain. - Masataka Ejima; Akio Miyazaki (ICIP (3), 2002)