"Assisting video communication by an intermediating robot system corresponding to each user's attitude," Human Interface Society Journal (Japanese Journal but this article is written in English), Vol.13, No.3, pp.5--18, 2011. -- [[Tomoko Yonezawa, Hirotake Yamazoe, Akira Utsumi, and Shinji Abe, ]] 2012-10-25 (木) 15:09:44