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cs.CV2025
SpaceMind: Camera-Guided Modality Fusion for Spatial Reasoning in Vision-Language Models
Ruosen Zhao, Zhikang Zhang, Jialei Xu +5
Large vision-language models (VLMs) show strong multimodal understanding but still struggle with 3D spatial reasoning, such as distance estimation, size comparison, and cross-view…
cs.CV2025
CitySeg: A 3D Open Vocabulary Semantic Segmentation Foundation Model in City-scale Scenarios
Jialei Xu, Zizhuang Wei, Weikang You +2
Semantic segmentation of city-scale point clouds is a critical technology for Unmanned Aerial Vehicle (UAV) perception systems, enabling the classification of 3D points without rel…