(Themes include but are not limited to)  
High-precision surveying instruments and measurement methods  
LiDAR point cloud acquisition and processing  
Photogrammetry and oblique photogrammetry techniques  
Multi-view stereo vision and 3D reconstruction  
Visual SLAM and real-time localization and mapping  
Point cloud registration, segmentation, and semantic understanding  
Reality-based 3D modeling and urban digital twins  
UAV surveying and aerial remote sensing  
Geometric processing of satellite remote sensing imagery  
Multi-sensor fusion for positioning  
3D Gaussian splatting and neural rendering  
Depth estimation and stereo matching  
3D object detection and recognition  
3D measurement of underground and indoor spaces  
Deformation monitoring and precision engineering surveying  
3D digital preservation of cultural heritage  
Deep learning for point clouds and intelligent analysis  
3D GIS and spatial data visualization  
3D tracking and registration in augmented reality  
Surveying data quality control and accuracy assessment  
Applications of 3D reconstruction in autonomous driving  
Multimodal vision and spatial perception  
Surveying standards and geographic information sharing  
Optimization of large-scale scene 3D modeling  
Industrial applications of 3D reconstruction