Article-Journal

DSTI-Net: A Dynamic Spatial–Temporal Interaction Network With Semantic Guidance for 2-D and 3-D Change Detection featured image

DSTI-Net: A Dynamic Spatial–Temporal Interaction Network With Semantic Guidance for 2-D and 3-D Change Detection

This paper proposes DSTI-Net, a multitask framework integrating SAM-based semantic guidance and dynamic spatial-temporal interaction for joint 2-D and 3-D change detection from …

tengxi-wang
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
SPTNet: Sparse Convolution and Transformer Network for Woody and Foliage Components Separation From Point Clouds featured image

SPTNet: Sparse Convolution and Transformer Network for Woody and Foliage Components Separation From Point Clouds

This paper proposes SPTNet, a novel deep learning architecture combining sparse convolution and transformer blocks for automated separation of woody and foliage components from …

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Dr. Shuai Zhang
3D Detection and Morphological Analysis of Extraterrestrial Lava Tubes: A Case Study in Haikou, China featured image

3D Detection and Morphological Analysis of Extraterrestrial Lava Tubes: A Case Study in Haikou, China

This study presents a 3D detection workflow using SLAM100 handheld LiDAR for lava tube exploration, including point cloud processing, 3D modeling, and skylight detection, providing …

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Dr. Shuai Zhang
SLAM-Based Forest Plot Mapping by Integrating IMU and Self-Calibrated Dual 3-D Laser Scanners featured image

SLAM-Based Forest Plot Mapping by Integrating IMU and Self-Calibrated Dual 3-D Laser Scanners

This paper proposes a dual-scanner backpack LiDAR system with automatic self-calibration and a tightly-coupled SLAM framework integrating IMU and forest natural features, achieving …

dong-pan
Learning point cloud context information based on 3D transformer for more accurate and efficient classification featured image

Learning point cloud context information based on 3D transformer for more accurate and efficient classification

This paper proposes a novel 3D transformer architecture for point cloud classification that captures local context information by highlighting feature importance differences …

yiping-chen