Single-Season Rice Area Mapping by Combining Multi-Temporal Polarization Decomposition Components and the Two-Stage Segmentation Method
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Dataset
2.3. Method
2.3.1. Feature Construction
H/α Decomposition
/ Decomposition
Feature Map
2.3.2. Two-Stage Segmentation
3. Results
3.1. Effectiveness of the Two-Stage Structure
3.2. Comparison of the Model Performance and the Rice Mapping Results
3.3. Testing Accuracy on Field Survey Data
3.4. Feature Validity
3.4.1. Validity in Time
3.4.2. Validity in Space
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Orbit-Frame | 105–435 | 105–441 | 105–448 |
---|---|---|---|
Year | Date (MM/DD) | ||
2022 | 04/08 | ||
04/20 | |||
05/02 | |||
05/14 | 05/14 | 0503 | |
05/26 | |||
06/07 | |||
06/19 | 06/19 | 0608 | |
07/01 | 07/01 | 0620 | |
07/13 | |||
07/25 | |||
08/06 | |||
08/30 | |||
09/11 | |||
09/23 | |||
2019 | 05/13 | 05/13 | |
06/18 | 06/18 | ||
06/30 | 06/30 |
Rice | All Classes (Rice and Non-Rice) | |||||
---|---|---|---|---|---|---|
IoU | Recall (PA) | Precision | mIoU | mPA | Accuracy | |
One-Stage ODCRS | 72.23% | 87.54% | 80.50% | 84.82% | 92.95% | 97.57% |
Two-Stage ODCRS | 78.67% | 89.83% | 86.36% | 88.39% | 94.36% | 98.24% |
Rice | All Classes (Rice and Non-Rice) | |||||
---|---|---|---|---|---|---|
IoU | Recall (PA) | Precision | mIoU | mPA | Accuracy | |
UNet | 66.04% | 85.77% | 74.17% | 81.32% | 91.72% | 96.82% |
Two-Stage ODCRS | 78.67% | 89.83% | 86.36% | 88.39% | 94.36% | 98.24% |
Field Investigation Data/Pixels | User Accuracy | ||||
---|---|---|---|---|---|
Mapping Results /Pixels | Rice | Non-rice | Sum | ||
Rice | 165,814 | 31,130 | 196,944 | 84.19% | |
Non-rice | 21,115 | 73,215 | 94,330 | 77.62% | |
Sum | 186,929 | 104,555 | 291,484 | ||
Mapping Accuracy | 88.70% | 70.03% |
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Share and Cite
Jiang, J.; Zhang, H.; Ge, J.; Xu, L.; Song, M.; Sun, C.; Wang, C. Single-Season Rice Area Mapping by Combining Multi-Temporal Polarization Decomposition Components and the Two-Stage Segmentation Method. Agriculture 2024, 14, 2. https://doi.org/10.3390/agriculture14010002
Jiang J, Zhang H, Ge J, Xu L, Song M, Sun C, Wang C. Single-Season Rice Area Mapping by Combining Multi-Temporal Polarization Decomposition Components and the Two-Stage Segmentation Method. Agriculture. 2024; 14(1):2. https://doi.org/10.3390/agriculture14010002
Chicago/Turabian StyleJiang, Jingling, Hong Zhang, Ji Ge, Lu Xu, Mingyang Song, Chunling Sun, and Chao Wang. 2024. "Single-Season Rice Area Mapping by Combining Multi-Temporal Polarization Decomposition Components and the Two-Stage Segmentation Method" Agriculture 14, no. 1: 2. https://doi.org/10.3390/agriculture14010002