Wen HAO, Wenjing ZHANG, Wei LIANG, Zhaolin XIAO, Haiyan JIN. Scene recognition for 3D point clouds： a review[J]. Optics and Precision Engineering, 2022, 30(16): 1988
- Optics and Precision Engineering
- Vol. 30, Issue 16, 1988 (2022)
Fig. 1. Images of the same scene at different times and illumination in the dataset Oxford RobotCar［6］
Fig. 2. Classification of scene recognition algorithms for point clouds
Fig. 3. Flowchart of SegMatch algorithm
Fig. 4. Flowchart of Seed algorithm
Fig. 5. Chronological overview of scene recognition for point clouds
Fig. 6. Network architecture of PointNetVLAD［58］
Fig. 7. Network architecture of LPD-Net［19］
Fig. 8. Network architecture of Semantic Graph［61］
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Table 1. Network models based on learning to obtain features
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Table 2. Dataset for scene recognition of point cloud
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Table 3. Network parameter quantity and runtime of different scene recognition models
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Table 4. 3D local descriptor dimension
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Table 5. Scene recognition results based on deep learning
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Table 6. F1 max scores on the KITTI dataset
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