Forest Height Retrieval Based on the Dual PolInSAR Images
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area and PolInSAR Data
2.2. Random Volume over Ground Model
2.3. Three-Stage Method
2.4. Optimized Three-Stage Method
2.5. Forest Height Estimation Based on the Dual PolInSAR Data
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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In Situ Measurement (m) | Dual Pol/Three-Stage (m) | Dual Pol/Wenxue Method (m) | Dual Pol/Proposed Method (m) | Quad Pol/Three-Stage (m) | Quad Pol/Wenxue Method (m) | Quad Pol/Optimized Method (m) |
---|---|---|---|---|---|---|
21.6 | 25.7 | 25.3 | 24.9 | 24.6 | 24.4 | 23.8 |
Dual Pol/Three-Stage (m) | Dual Pol/Wenxue Method (m) | Dual Pol/Proposed Three-Stage (m) | Quad Pol/Three-Stage (m) | Quad Pol/Wenxue Method (m) | Quad Pol/Optimized Method (m) |
---|---|---|---|---|---|
4.97 | 3.66 | 2.95 | 4.48 | 2.31 | 1.97 |
Stand No. | Number of Pixels | Quad Pol/Standard Deviation of Estimated Height (m) | Quad Pol Estimated Height (m) | Dual Pol/Standard Deviation of Estimated Height (m) | Dual Pol Estimated Height (m) |
---|---|---|---|---|---|
1 | 9387 | 2.12 | 15.8 | 1.95 | 18.21 |
2 | 1896 | 3.16 | 18.16 | 3.19 | 21.83 |
3 | 2493 | 2.16 | 18.95 | 3.01 | 20.09 |
4 | 9589 | 1.18 | 16.71 | 1.02 | 20.13 |
5 | 5938 | 2.05 | 16.73 | 1.81 | 19.35 |
6 | 1258 | 1.97 | 21.3 | 1.85 | 22.51 |
7 | 2928 | 1.14 | 19.91 | 2.17 | 20.32 |
8 | 3375 | 2.02 | 20.39 | 2.91 | 22.98 |
9 | 6592 | 2.60 | 19.62 | 3.10 | 19.11 |
10 | 1307 | 1.51 | 19.21 | 1.98 | 18.55 |
11 | 18,484 | 1.78 | 22.09 | 3.14 | 24.11 |
12 | 2496 | 3.01 | 21.46 | 1.92 | 23.16 |
13 | 4237 | 1.45 | 20.19 | 1.56 | 21.76 |
14 | 1346 | 1.99 | 20.62 | 2.71 | 22.04 |
15 | 4232 | 2.31 | 20.88 | 3.19 | 25.5 |
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Managhebi, T.; Maghsoudi, Y.; Amani, M. Forest Height Retrieval Based on the Dual PolInSAR Images. Remote Sens. 2022, 14, 4503. https://doi.org/10.3390/rs14184503
Managhebi T, Maghsoudi Y, Amani M. Forest Height Retrieval Based on the Dual PolInSAR Images. Remote Sensing. 2022; 14(18):4503. https://doi.org/10.3390/rs14184503
Chicago/Turabian StyleManaghebi, Tayebe, Yasser Maghsoudi, and Meisam Amani. 2022. "Forest Height Retrieval Based on the Dual PolInSAR Images" Remote Sensing 14, no. 18: 4503. https://doi.org/10.3390/rs14184503