Transferability of Economy Estimation Based on DMSP/OLS Night-Time Light
Abstract
:1. Introduction
2. Data and Methods
2.1. Data Sources and Preprocessing
2.2. Data Mining Methods
2.3. Model Evaluation
3. Results
3.1. Model Calibration
3.2. Transferability Validation
4. Discussion
4.1. Comparison and Explanation
4.2. Transferability Across Years
4.3. Important DN Section Extraction
4.4. Limitations of Present Study
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Parameter | Method | Min | Max | Mean | Std |
---|---|---|---|---|---|
MLR | 0.56 | 0.90 | 0.72 | 0.11 | |
LWR | 0.66 | 0.86 | 0.75 | 0.06 | |
PLSR | 0.67 | 0.90 | 0.84 | 0.07 | |
SVMR | 0.75 | 0.90 | 0.85 | 0.05 | |
MLR | 0.00 | 0.89 | 0.35 | 0.26 | |
LWR | 0.00 | 0.98 | 0.65 | 0.29 | |
PLSR | 0.54 | 0.95 | 0.88 | 0.07 | |
SVMR | 0.00 | 0.97 | 0.63 | 0.32 | |
MLR | 0.01 | 2.22 | 0.50 | 0.41 | |
LWR | 0.07 | 7.05 | 1.27 | 1.14 | |
PLSR | 0.24 | 4.34 | 1.76 | 0.99 | |
SVMR | 0.14 | 4.95 | 1.50 | 1.00 |
Parameter | Method | Min | Max | Mean | Std |
---|---|---|---|---|---|
SLR | 0.682 | 0.775 | 0.742 | 0.028 | |
SLR | −7.07 | 0.771 | −0.198 | 1.539 |
Parameter | Method | NTL Dataset | Min | Max | Mean | Std |
---|---|---|---|---|---|---|
PLSR | Important DN sections only | 0.83 | 0.95 | 0.91 | 0.04 | |
PLSR | Important DN sections only | 0.01 | 0.95 | 0.79 | 0.18 | |
PLSR | Important DN sections only | 0.14 | 5.54 | 1.82 | 1.27 |
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Qi, K.; Hu, Y.; Cheng, C.; Chen, B. Transferability of Economy Estimation Based on DMSP/OLS Night-Time Light. Remote Sens. 2017, 9, 786. https://doi.org/10.3390/rs9080786
Qi K, Hu Y, Cheng C, Chen B. Transferability of Economy Estimation Based on DMSP/OLS Night-Time Light. Remote Sensing. 2017; 9(8):786. https://doi.org/10.3390/rs9080786
Chicago/Turabian StyleQi, Kun, Yi’na Hu, Chengqi Cheng, and Bo Chen. 2017. "Transferability of Economy Estimation Based on DMSP/OLS Night-Time Light" Remote Sensing 9, no. 8: 786. https://doi.org/10.3390/rs9080786