Development of 135 Mbit/s HDTV codec. - Yoshimichi Ohtsuka; Eisuke Nakasu; Yoshiaki Shishikui; Hiroyuki Imaizumi; Hiroshi Nakanishi (Signal Process. Image Commun., 1992)

VRML animation from multi-view images. - Yuichi Iwadate; Miwa Katayama; Kimihiro Tomiyama; Hiroyuki Imaizumi (ICME (1), 2002)

Network Broadcasting System Using Viewer Information. - Arisa Fujii; Haruyuki Nakamura; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi; Koichi Tanimoto; Takaaki Yamada (SMC, 2006)

Identified-Service Support System and Its Application to Network Broadcasting Services. - Koichi Tanimoto; Takaaki Yamada; Haruyuki Nakamura; Arisa Fujii; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi (SMC, 2006)

Advanced Conditional Access System for Digital Broadcasting Receivers Using Metadata. - Yusei Nishimoto; Akitsugu Baba; Takeshi Kimura; Hiroyuki Imaizumi; Yoshihiro Fujita (IEEE Trans. Broadcast., 2007)

A digital video scrambling system with variable concealed levels incorporating viewing licenses. - Yusei Nishimoto; Satoshi Fujitsu; Hiroyuki Imaizumi; Nagahisa Mita (PIMRC, 2008)

Integrated Digital Rights Management for Mobile IPTV Using Broadcasting and Communications. - Yusei Nishimoto; Nagahisa Mita; Hiroyuki Imaizumi (IEEE Trans. Broadcast., 2009)