%0 Journal Article %T Prediction of the status and quantity of devices in various countries %A Sun, Lubin %A Yang, Youxu %A Ning, Huizi %A Zhou, Quanzhi %J Proceedings of SPIE %V 12756 %P 127564X-127564X-6 %@ 0277-786X %D 2023-07-28 %I SPIE %~ DeepDyve