Measurement of Particle Size of Loose Accumulation Based on Alpha Shapes (AS) and Hill Climbing-Region Growing (HC-RG) Algorithms
Abstract
:1. Introduction
2. Methods
2.1. Data Collection
2.1.1. Data Collection in Laboratory Physical Model
2.1.2. Study Area and Data Collection in Field Survey
2.2. Alpha Shapes (AS) Algorithm
2.3. Hill Climbing-Region Growing (HC-RG) Algorithm
3. Results and Discussion
3.1. Laboratory Physical Model
3.1.1. Pebbles Deposit
3.1.2. Gravels Deposit
3.1.3. Mixture of Pebbles and Gravels Deposit
3.2. In-Situ Field Survey in Landslide Region
3.2.1. Upper Part of Landslide Accumulation
3.2.2. Lower Part of Landslide Accumulation
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Parameters | Methods | Materials | ||
---|---|---|---|---|
Pebbles | Gravels | Mixture | ||
Ra (mm) | AS | 17.06 | 16.2 | 16.75 |
HC-RG | 21.14 | 18.29 | 19.31 | |
MM | 18.38 | 17.59 | 18.58 | |
Cu | AS | 3.19 | 2.14 | 2.36 |
HC-RG | 1.52 | 1.73 | 1.7 | |
MM | 2.26 | 2.05 | 1.76 | |
Cc | AS | 1.15 | 1.09 | 1.15 |
HC-RG | 0.99 | 0.97 | 0.96 | |
MM | 1.17 | 0.99 | 1.11 |
Parameters | Methods | Location | |
---|---|---|---|
Upper Part | Lower Part | ||
Ra (mm) | AS | 242.38 | 281.96 |
HC-RG | 3478.13 | 3430.46 | |
MM | 2162.53 | 2040.81 | |
Cu | AS | 1.72 | 1.81 |
HC-RG | 1.24 | 1.22 | |
MM | 1.51 | 1.33 | |
Cc | AS | 0.76 | 0.69 |
HC-RG | 0.97 | 0.95 | |
MM | 0.96 | 0.99 |
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Ge, Y.; Lin, Z.; Tang, H.; Zhong, P.; Cao, B. Measurement of Particle Size of Loose Accumulation Based on Alpha Shapes (AS) and Hill Climbing-Region Growing (HC-RG) Algorithms. Sensors 2020, 20, 883. https://doi.org/10.3390/s20030883
Ge Y, Lin Z, Tang H, Zhong P, Cao B. Measurement of Particle Size of Loose Accumulation Based on Alpha Shapes (AS) and Hill Climbing-Region Growing (HC-RG) Algorithms. Sensors. 2020; 20(3):883. https://doi.org/10.3390/s20030883
Chicago/Turabian StyleGe, Yunfeng, Zishan Lin, Huiming Tang, Peng Zhong, and Bei Cao. 2020. "Measurement of Particle Size of Loose Accumulation Based on Alpha Shapes (AS) and Hill Climbing-Region Growing (HC-RG) Algorithms" Sensors 20, no. 3: 883. https://doi.org/10.3390/s20030883