Doudou Xue, Yinglei Cheng, Xiaosong Shi, Xianxiang Qin, Pei Wen. Point Clouds Classification Algorithm Based on Cloth Filtering Algorithm and Improved Random Forest[J]. Laser & Optoelectronics Progress, 2020, 57(22): 221017
- Laser & Optoelectronics Progress
- Vol. 57, Issue 22, 221017 (2020)
Fig. 1. Flow chart of ICSF filtering algorithm
Fig. 2. Feature grid diagram
Fig. 3. Weighted weakly correlated random forest model
Fig. 4. Point clouds elevation distribution. (a) Unnormalized point cloud data; (b) normalized point cloud data
Fig. 5. Classification results of ground points. (a) Traditional CSF algorithm; (b) improved CSF algorithm
Fig. 6. Classification results of different algorithms. (a) Correct classification results; (b) classification results of traditional RF algorithm; (c) classification results of SVM algorithm; (d) classification results of proposed algorithm
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Table 1. Comparison of experimental indicators of the two models
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Table 2. Classification accuracy of different feature combinations
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