4 papers
JointMatch: A Unified Heterogeneous Graph Neural Solver for Large-Scale Ride-Sharing Matching
Kun Zhao, Xu Chen
Ride-sharing platforms must continuously decide which open requests to bundle into shared trips and which idle vehicles should serve them. The dominant academic approach decomposes…
Multi-Agent Privacy Game in Federated Learning: A Unified Mean-Field View
Kun Zhao, Xu Chen
Federated learning enables collaborative model training across distributed clients without centralising their data, yet privacy remains a persistent concern because the shared mode…
All in One: Generative Modeling as Mean-Field Game Design
Kun Zhao, Xu Chen
Mean-field games (MFGs) offer a unifying lens on continuous-time generative modeling: a cost tuple recovering twelve prominent models---Continuous Normalizing Flows, OT-Flow, Score…
FantasyTalking: Realistic Talking Portrait Generation via Coherent Motion Synthesis
Mengchao Wang, Qiang Wang, Fan Jiang +5
Creating a realistic animatable avatar from a single static portrait remains challenging. Existing approaches often struggle to capture subtle facial expressions, the associated gl…