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cs.CV2026
Hydra++: Real-Time Hierarchical 3D Scene Graph Construction With Object-Level Shape Estimation
Hyungtae Lim, Nathan Hughes, Xihang Yu +5
3D scene graphs provide a hierarchical abstraction of environments by encoding spatial entities, such as objects and places, and their relationships. However, existing scene graph…
cs.CV2026
Picasso: Holistic Scene Reconstruction with Physics-Constrained Sampling
Xihang Yu, Rajat Talak, Lorenzo Shaikewitz +1
In the presence of occlusions and measurement noise, geometrically accurate scene reconstructions -- which fit the sensor data -- can still be physically incorrect. For instance, w…