Video-grounded RL with two-stage 2D grounding and SAM2 lifting enables 3D object localization and QA without dense 3D instance supervision.
Language conditioned spatial relation reasoning for 3d object grounding
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Scene-R1: Video-Grounded Large Language Models for 3D Scene Reasoning without 3D Annotations
Video-grounded RL with two-stage 2D grounding and SAM2 lifting enables 3D object localization and QA without dense 3D instance supervision.