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State-of-the-art of geometric correction of remote sensing data: a data fusion perspective

机译:遥感数据几何校正的最新技术:数据融合的角度

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摘要

The three-dimensional (3D) geometric processing and ortho-rectification of remote sensing (RS) data becomes a key issue as being the first step in multi-source multi-format data fusion in geographic information systems. The fusion of image data (visible and microwave, panchromatic and multi bands, polarimetric bands, passive and active, etc.), their metadata (GPS, star trackers, inertial system, lens and focal plane, etc.), the associated 3D cartographic data (ground control points, contour lines, digital terrain model (DEM), planimetric features, etc.) is thus a requisite to perform first 3D precise geometric correction and then the ortho-rectification process with DEM. This article presents an update of the state-of-the-art of geometric correction with the source of geometric distortions, the different mathematical models, the methods, algorithms and processing steps to track finally the error propagation during the fusion of the different RS and cartographic data from the image acquisition to the ortho-rectification processes.
机译:作为地理信息系统中多源多格式数据融合的第一步,对遥感(RS)数据进行三维(3D)几何处理和正交校正已成为一个关键问题。图像数据(可见光和微波,全色和多波段,偏振波段,无源和有源等),它们的元数据(GPS,恒星跟踪器,惯性系统,镜头和焦平面等),相关的3D制图的融合因此,必须先执行数据(地面控制点,轮廓线,数字地形模型(DEM),平面特征等),然后再执行3D精确几何校正,然后再使用DEM进行正校正。本文介绍了最新的几何校正方法,包括几何畸变的来源,不同的数学模型,方法,算法和处理步骤,以最终跟踪不同RS和融合过程中的误差传播。从图像采集到正射校正过程的制图数据。

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