Sifei Liu is a senior research scientist at Learning and Perception Research (LPR) at NVIDIA. She obtained her Ph.D. at the University of California Merced, department of EECS, advised by Professor Ming-Hsuan Yang. Her research interests are in computer vision (low-level vision, semantic segmentation, and 3D scene understanding), deep learning (graph-structured modules, self-supervised learning), and the combination of both. She worked as an intern student in Baidu IDL from 2013 to 2014, multimedia lab in CUHK in 2015, and NVIDIA research in 2017. She is also the recipient of the Baidu Graduate Fellowship in 2013 and the Rising Star EECS in 2019.