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cs.CV2026
Scalable Object Relation Encoding for Better 3D Spatial Reasoning in Large Language Models
Shengli Zhou, Minghang Zheng, Feng Zheng +1
Spatial reasoning focuses on locating target objects based on spatial relations in 3D scenes, which plays a crucial role in developing intelligent embodied agents. Due to the limit…
cs.CV2025
Learn 3D VQA Better with Active Selection and Reannotation
Shengli Zhou, Yang Liu, Feng Zheng
3D Visual Question Answering (3D VQA) is crucial for enabling models to perceive the physical world and perform spatial reasoning. In 3D VQA, the free-form nature of answers often…
cs.CV2025
HCNQA: Enhancing 3D VQA with Hierarchical Concentration Narrowing Supervision
Shengli Zhou, Jianuo Zhu, Qilin Huang +3
3D Visual Question-Answering (3D VQA) is pivotal for models to perceive the physical world and perform spatial reasoning. Answer-centric supervision is a commonly used training met…