The geometric rectification of satellite SAR image becomes more and more important in order to avoid geometric distortion and locate the image accurately.
而对星载SAR图像进行几何校正处理,消除图像中的各种几何变形,从而实现精确定位也越来越重要。
This paper proposes an algorithm of iris automated identification and a method for rectification of geometric distortion of iris image. The matching result is measured by the relative coefficient.
提出了虹膜自动身份识别的算法及虹膜图像几何畸变的校正方法,最后用相关系数来测度图像的匹配结果。
In image pre-processing, it introduces two steps of image pre-processing that is image distortion rectification and image noise restraint.
在图像预处理中,介绍了图像预处理中的两个步骤,即图像的几何校正和噪声点的抑制。
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