Smart City

Point and voxel cross perception with lightweight cosformer for large-scale point cloud semantic segmentation featured image

Point and voxel cross perception with lightweight cosformer for large-scale point cloud semantic segmentation

This paper proposes PVCFormer, a cross-attention architecture combining point and voxel representations with CosFormer for efficient large-scale outdoor point cloud semantic …

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Dr. Shuai Zhang
Chat3D: Interactive understanding 3D scene-level point clouds by chatting with foundation model for urban ecological construction featured image

Chat3D: Interactive understanding 3D scene-level point clouds by chatting with foundation model for urban ecological construction

This paper presents Chat3D, a method for applying large language models to urban ecological construction by combining the results of 3D point cloud semantic segmentation. The …

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Dr. Shuai Zhang