The Recovery Algorithm for Short-Exposure ERS Image, Space-Invariant to the Atmospheric Distortions

K. Sviridov
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Abstract

Negative influence of the atmospheric turbulence on the ERS systems is noted. Hardware and software technologies for partial correction of atmospheric influence are reviewed. A new algorithm for recovering the image undistorted by the atmosphere, which has a diffraction-limited resolution of the ERS telescope in its broad field of view, is proposed and proved. The offered algorithm makes easier and increases the rate for Earth remote sensing (ERS) images receiving. This algorithm enables to determine and reimburse its atmospheric distortions at digital statistic processing of the fragments of one registered image. The algorithm is a new and can be applied practically in the ERS systems.
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大气畸变下空间不变性短曝光ERS图像恢复算法
指出了大气湍流对ERS系统的负面影响。综述了大气影响部分校正的硬件和软件技术。提出并证明了一种在大视场条件下具有衍射极限分辨率的无损图像恢复算法。该算法使地球遥感图像的接收变得更加简单,并提高了接收速率。该算法能够在对一幅配准图像的碎片进行数字统计处理时确定并补偿其大气畸变。该算法是一种新的算法,可以在ERS系统中实际应用。
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