Estimating Groups of Featured Characters in Comics with Sequence of Characters' Appearance. - Kodai Imaizumi; Ryosuke Yamanishi; Yoko Nishihara; Takahiro Ozawa (MMArt&ACM@ICMR, 2021)

Comic-Shelf vectors: Convoluting the co-occurrence among comics on the bookshelf. - Kodai Imaizumi; Ryosuke Yamanishi; Mitsunori Matsushita (Entertain. Comput., 2025)