Robot demonstrations record what the robot saw and what it did. They do not specify how the 3D world changed in between. Scene-level 3D flow describes it by tracking 3D scene points, providing the world representation with 4D geometry. Prior work has used flow to improve robot policies. Flow served as an intermediate p...
Jia-Lin Tian, Zhuo-Fan Li, Xin-Kai Wang et al.· 0 citations
Following the modular decomposition of industrial recommenders, STAR-CDR introduces three innovations: a CDI Extractor that enhances sequential modeling with domain indicators and other key features, and a CDI Injector that recalibrates activations and enables domain-/scenario-/task-aware expert routing.
Bokai Lin, Nai-Jun Gao, Yucen Gao et al.· Annual International ACM SIG...· 0 citations
Track4Action is introduced, a framework that distills this realized transition from a frozen world-centric 3D tracker into a current-observation VLA policy, and gains across simulation and physical tasks support action-aligned 3D tracker features as privileged supervision for tracker-free VLA deployment.
Chenyi Wang, Xinkai Wang, Bokai Lin et al.· 4 citations· ⚡1
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