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Method of Top-of-Atmosphere Reflectance-Based Spatiotemporal Image Fusion Using Aerosol Optical Depth
Method of Top-of-Atmosphere Reflectance-Based Spatiotemporal Image Fusion Using Aerosol Optical Depth
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机译:气溶胶光学深度的基于大气反射率的时空图像融合方法
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摘要
A fusion method is provided to obtain a spatiotemporal image. The present invention is based on a conventional model—a spatial and temporal adaptive reflectance fusion model (STARFM). In the present invention, top-of-atmosphere (TOA) reflectance is kept in image fusion. Furthermore, Himawari-8, a geostationary satellite having a very high temporal resolution (10 minutes), is used. The present invention uses similar spectral bands as whose used for high-spatial-resolution image in satellites like Landsat-8 and SPOT-6. The present invention combines a high spatial-resolution image with a high temporal-resolution image obtained from Himawari-8. Thus, a TOA-reflectance-based spatial-temporal image fusion method (TOA-STFM) is proposed for generating an image having high spatiotemporal resolution. The present invention can be applied for air quality monitoring.
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