A fast image-scramble method using public-key encryption allowing backward compatibility with jpeg2000. - Osamu Watanabe 002; Akiko Nakazaki; Hitoshi Kiya (ICIP, 2004)

A scalable encryption method allowing backward compatibility with JPEG2000 images. - Osamu Watanabe 002; Akiko Nakazaki; Hitoshi Kiya (ISCAS (6), 2005)