Character recognition of mixed convex-concave braille points and legibility of deteriorated braille points. - Yoshifumi Oyama; Toshihisa Tajima; Hiroaki Koga (Syst. Comput. Jpn., 1997)

Sense of Virtual Reality: Effectiveness of Replacing 3D Imagery with 2D/3D Hybrid Imagery. - Shinji Tasaki; Takehisa Matsushita; Kazuhiro Koshi; Chikamune Wada; Hiroaki Koga (IEICE Trans. Inf. Syst., 2005)

Effects of freezing brain tissue by a micro-cryoprobe on the neuronal / circulatory functions. - Hiroaki Koga; Satoru Ishizuka; Zimin Lev Grigorievich; Takeshi Yamakawa (SMC, 2011)

Theoretical study of correlations between the coordination structures and catalytic activities in polymer-stabilized au nanocluster catalysts. - Yoshinori Ato; Akihide Hayashi; Hiroaki Koga; Kohei Tada; Takashi Kawakami; Shusuke Yamanaka; Mitsutaka Okumura (J. Comput. Chem., 2019)

NITKC at the NTCIR-18 RadNLP shared task: Using Graph-RAGin a lung cancer staging method with Natural LanguageProcessing for Radiology. - Aoi Kondo; Tan You Quan Bernon; Tsubasa Oka; Hiroaki Koga; Mikio Oda (NTCIR, 2025)