PICSU: A Japanese Vocabulary Learning System with Object Recognition and Lexical Database 論文 Meihua XUE・Kazuki SUGITA・Koichi OTA・Wen GU・Shinobu HASEGAWA ·2025 ·『IEICE Transactions on Information and Systems』 E108.D(7) pp. 667-674 doi:10.1587/transinf.2024IIP0008