Yoshinori Takeuchi Ken Saito Ayaka Ito Noboru Ohnishi Shigeyoshi Iizuka Shinya Nakajima Extracting Pointing Object with Demonstrative Speech Phrase for Remote Transcription in Lecture. 624-631 2008 ICCHP http://dx.doi.org/10.1007/978-3-540-70540-6_89 conf/icchp/2008 db/conf/icchp/icchp2008.html#TakeuchiSIOIN08