A new approach to time dependent AR modeling of multi-frame signals and its application to diagnosis of myocardial infarction. - Hiroshi Kanai; Noriyoshi Chubachi; Ken'iti Kido; Yoshiro Koiwa; Takehiko Takagi; Junichi Kikuchi; Tamotsu Takishima (ICASSP, 1990)

A new approach to time dependent AR modeling of signals and its application to analysis of the fourth heart sound. - Hiroshi Kanai; Noriyoshi Chubachi; Ken'iti Kido; Yoshiro Koiwa; Takehiko Takagi; Junichi Kikuchi; Tamotsu Takishima (IEEE Trans. Signal Process., 1992)

A time-varying AR modeling of heart wall vibration. - Hiroshi Kanai; Noriyoshi Chubachi; Yoshiro Koiwa (ICASSP, 1995)