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- W2078356943 abstract "This paper was to assess the reliability of RADARSAT-2 quad-polarization SAR data in rice mapping and yield estimation. Five scenes of RADARSAT-2 images were acquired in the rice season of 2011 in Jiangsu Province, China. Ground experiments were conducted in accordance with the acquisition dates. For rice mapping, optimal dual-polarization combination was obtained by ratio change detection. The accuracy of rice mapping by HV/HH reaches 79.2% and by VV/HH reaches 84.9%. For rice yield estimation, an improved scheme based on assimilation method has been put forward. ORYZA2000 model was coupled with an empirical rice backscattering model to simulate the dual-polarization ratios. SCE-UA optimization algorithm is employed to determine the optimal set of input parameters during the re-initialization process. As a result, an improved accuracy has been confirmed." @default.
- W2078356943 created "2016-06-24" @default.
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- W2078356943 date "2012-10-24" @default.
- W2078356943 modified "2023-10-17" @default.
- W2078356943 title "Assessment of RADARSAT-2 quad-polarization SAR data in rice crop mapping and yield estimation" @default.
- W2078356943 doi "https://doi.org/10.1117/12.929252" @default.
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