Tianqi Liu

Tianqi Liu is a Ph.D. student at MMLab, Nanyang Technological University, supervised by Prof. Ziwei Liu, and also serves as a Research Scientist at Ropedia. He received his bachelor's and master's degrees from Huazhong University of Science and Technology in 2023 and 2025. He is best known for his research in generative 4D video and 3D/4D reconstruction, with publications including Free4D at ICCV 2025 and Light-X at ICLR 2026, and is a co-first author of Ropedia W0, a loco-manipulation world foundation model. His research interests span embodied AI, world models, and 4D scene generation.