Bach-Thuan Bui is a computer vision and 3D perception researcher specializing in visual localization, structure-from-motion, and scalable 3D reconstruction. He recently completed his PhD at Ritsumeikan University, Japan and is now a Founding Engineer Researcher at Coolant, San Francisco, USA where he works on advanced aerial forestry reconstruction, large-scale image matching, and 3D forest modeling with Gaussian Splatting. He is the author of research and open-source projects spanning visual localization and mapping, with publications in IROS, ICRA, RA-L, and ISPRS.