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In this study, a new method was proposed to retrieve aerosol optical depth at 0.55μm (AOD0.55μm) using MODIS images with the second simulation of satellite signal in the solar spectrum model (6S). Provided that surface features have little change in a short period, the surface reflectance ratios between visible and infrared bands pixel-by-pixel can be calculated directly using satellite image on clean...
Hyperspectral images analysis play important role in optical spectrum analysis field. The unmixing of the endmembers is very important to hyperspectral images analysis. We propose relationship between endmembers and their mixed pixel in matrix equation. The mathematical model of the endmembers is derived on the basis of convex geometry. Image endmembers can be derived from hyperspectral data set on...
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