An improved volume coherence optimization method for forest height estimation using PolInSAR images
Forest height is one of the most important forest vertical structure parameter for many forest management and monitoring activities. One of the most widely used methods for forest height estimation using the PolInSAR image, which is the three-stage inversion process. In this method, the complex cohe...
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Published in | 2019 3rd International Conference on Recent Advances in Signal Processing, Telecommunications & Computing (SigTelCom) pp. 53 - 57 |
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Main Authors | , , , , |
Format | Conference Proceeding |
Language | English |
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IEEE
01.03.2019
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Abstract | Forest height is one of the most important forest vertical structure parameter for many forest management and monitoring activities. One of the most widely used methods for forest height estimation using the PolInSAR image, which is the three-stage inversion process. In this method, the complex coherence value of the HV channel is used for forest height estimation. Therefore, the estimated forest height is usually lower than the actual forest height. Moreover, when determining the ground-phase coefficient, this method used a lot of channel coherence coefficients, which increased the amount of calculation complexity. The proposed method in this paper, we determined the optimum volume coherence coefficient of the system by comparing the polarization channels and using the optimal complex unitary vector. The experimental results show that the accuracy of forest height is significantly improved by the proposed method. |
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AbstractList | Forest height is one of the most important forest vertical structure parameter for many forest management and monitoring activities. One of the most widely used methods for forest height estimation using the PolInSAR image, which is the three-stage inversion process. In this method, the complex coherence value of the HV channel is used for forest height estimation. Therefore, the estimated forest height is usually lower than the actual forest height. Moreover, when determining the ground-phase coefficient, this method used a lot of channel coherence coefficients, which increased the amount of calculation complexity. The proposed method in this paper, we determined the optimum volume coherence coefficient of the system by comparing the polarization channels and using the optimal complex unitary vector. The experimental results show that the accuracy of forest height is significantly improved by the proposed method. |
Author | Minh, Nghia Pham Xuan, Minh Trinh Huu, Cuong Thieu Nhu Le, Van Dang, Cuong Hoang |
Author_xml | – sequence: 1 givenname: Cuong Thieu surname: Huu fullname: Huu, Cuong Thieu organization: Faculty of Radio-Electronics, Le Qui Don Technical University, Ha Noi, Viet Nam – sequence: 2 givenname: Nghia Pham surname: Minh fullname: Minh, Nghia Pham organization: Faculty of Radio-Electronics, Le Qui Don Technical University, Ha Noi, Viet Nam – sequence: 3 givenname: Minh Trinh surname: Xuan fullname: Xuan, Minh Trinh organization: Faculty of Radio-Electronics, Le Qui Don Technical University, Ha Noi, Viet Nam – sequence: 4 givenname: Van surname: Nhu Le fullname: Nhu Le, Van organization: Faculty of Radio-Electronics, Le Qui Don Technical University, Ha Noi, Viet Nam – sequence: 5 givenname: Cuong Hoang surname: Dang fullname: Dang, Cuong Hoang organization: Faculty of Radio-Electronics, Le Qui Don Technical University, Ha Noi, Viet Nam |
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Snippet | Forest height is one of the most important forest vertical structure parameter for many forest management and monitoring activities. One of the most widely... |
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StartPage | 53 |
SubjectTerms | Channel estimation Coherence Estimation Forestry PolInSAR Silicon Table lookup the forest height the three-stage inversion algorithm |
Title | An improved volume coherence optimization method for forest height estimation using PolInSAR images |
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