Note Recognition of Polyphonic Music by Using Timbre Similarity and Direction Proximity. - Yohei Sakuraba; Hiroshi G. Okuno (ICMC, 2003)

Comparing features for forming music streams in automatic music transcription. - Yohei Sakuraba; Tetsuro Kitahara; Hiroshi G. Okuno (ICASSP (4), 2004)