Runjian Chen received his BS degree in Automation (Robotics track) from Zhejiang University with an honor degree with an honor degree for the Mixed Class at Chu Kochen Honor College. He is currently a PhD student at HKU-MMLab, supervised by Professor Ping Luo. Starting from March 2024, he is a visiting student in the Yale Vision Lab. His research focus is on unsupervised 3D scene understanding and its application in autonomous driving and embodied AI.