Extraction and classification of graphical symbol candidates based on perceptual organization. - Michihiko Minoh; Toshihiko Munetsugu; Katsuo Ikeda (ICPR (2), 1992)

Keyword and phrase spotting with heuristic language model. - Tatsuya Kawahara; Toshihiko Munetsugu; Norihide Kitaoka; Shuji Doshita (ICSLP, 1994)