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cs.CV2026
ECHO: Embodied Camera Observations of Human Object Carrying
Xuefei Sun, Lorin Achey, Kali Hamilton +4
Embodied and assistive agents must do more than recognize objects: they must reason about where an object belongs given the layout of an environment and the habits of the people wh…
cs.CV2026
SceneGraphGrounder: Zero-Shot 3D Visual Grounding via Structured Scene Graph Matching
Xuefei Sun, Xujia Zhang, Brendan Crowe +2
Zero-shot 3D visual grounding requires localizing objects in unstructured environments from free-form natural language. Recent vision-language model (VLM) approaches achieve promis…
cs.CV2025
Octree Diffusion for Semantic Scene Generation and Completion
Xujia Zhang, Brendan Crowe, Christoffer Heckman
The completion, extension, and generation of 3D semantic scenes are an interrelated set of capabilities that are useful for robotic navigation and exploration. Existing approaches…