Portable speech interpreter which has voice input and sophisticated correction functions. - Yasunari Obuchi; Atsuko Koizumi; Yoshinori Kitahara; Jun-Ichi Matsuda; Toshihisa Tsukada (EUROSPEECH, 1999)

A Vision-Based Method for Recognizing Non-manual Information in Japanese Sign Language. - Ming Xu; Bisser Raytchev; Katsuhiko Sakaue; Osamu Hasegawa; Atsuko Koizumi; Masaru Takeuchi; Hirohiko Sagawa (ICMI, 2000)

An Annotated Japanese Sign Language Corpus. - Atsuko Koizumi; Hirohiko Sagawa; Masaru Takeuchi (LREC, 2002)