Document classification through image-based character embedding and wildcard training. - Daiki Shimada; Ryunosuke Kotani; Hitoshi Iyatomi (IEEE BigData, 2016)

End-to-End Text Classification via Image-based Embedding using Character-level Networks. - Shunsuke Kitada; Ryunosuke Kotani; Hitoshi Iyatomi (AIPR, 2018)

Diagnosis of Multiple Cucumber Infections with Convolutional Neural Networks. - Hiroki Tani; Ryunosuke Kotani; Satoshi Kagiwada; Hiroyuki Uga; Hitoshi Iyatomi (AIPR, 2018)

A comparable study: Intrinsic difficulties of practical plant diagnosis from wide-angle images. - Katsumasa Suwa; Quan Huu Cap; Ryunosuke Kotani; Hiroyuki Uga; Satoshi Kagiwada; Hitoshi Iyatomi (IEEE BigData, 2019)