Research
Staff Research Scientist @ Google Aug. 2026 - Present
AI Research Scientist @ Meta AI Sept. 2021 - Jul. 2026
EgoObjects: the first massive-scale egocentric dataset of objects.
Efficient Segment Anything Models: unlocking new experience of sticker creation on IG.
Efficient VLM: sub-1B multimodal language models for edge devices and hierarchical VLM for long video understanding.
Efficient Universal Perception Encoder (EUPE): a multi-stage distillation recipe producing on-device vision encoders with versatile representations that match or exceed specialized experts across multiple task domains.
Research Assistant @ CyLab Biometrics Center, CMU Feb. 2014 - Aug. 2021
Project BossaNova: real-time retail analyzing system for product out-of-stock and plug-in detection. Lead a team to develop dense object detection algorithm for packed retail environments. System is deployed in robots operating in the stores of world's largest retailers.
Project ULTRON-FaceID: robust pose invariant face recognition system with advanced 3D modeling. Developed unconstrained face detection algorithm with robust performance for occluded, low-resolution, and off-angle faces in the crowd. System is deployed in land, air entry/exit surveillance programs.