%0 Journal Article %T Design of a portable calibration device for medical endoscopy %A Song, Hailong %A Wu, Yongdong %A Fang, Meina %A Zhou, Bo %A He, Mengxi %A Huang, Xinwei %J Proceedings of SPIE %V 12754 %P 127540Q-127540Q-6 %@ 0277-786X %D 2023-08-01 %I SPIE %~ DeepDyve