Yadong Guo, Xiankun Wang, Dianpeng Su, Chao Qi, Fanlin Yang. Building Orthogonal Boundary Extraction for Airborne LiDAR Based on Directional Prediction Regularization[J]. Laser & Optoelectronics Progress, 2020, 57(6): 062801
- Laser & Optoelectronics Progress
- Vol. 57, Issue 6, 062801 (2020)
Fig. 1. Flow diagram of the proposed algorithm
Fig. 2. Limitation of improved Douglas_Peucker. (a) Limitation because of points density; (b) limitation because of parallel
Fig. 3. Noise suppression diagram
Fig. 4. Boundary extraction result of traditional algorithm
Fig. 5. Extraction effect of building boundary
Fig. 6. Histogram of error distribution about buildings' corner points
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Table 1. Comparison of performance indexes of different boundary regularization algorithms
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