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Depth-Dependent High Distortion Lens Calibration.
Sensors ( IF 3.4 ) Pub Date : 2020-07-01 , DOI: 10.3390/s20133695
Carlos Ricolfe-Viala 1 , Alicia Esparza 2
Affiliation  

Accurate correction of high distorted images is a very complex problem. Several lens distortion models exist that are adjusted using different techniques. Usually, regardless of the chosen model, a unique distortion model is adjusted to undistort images and the camera-calibration template distance is not considered. Several authors have presented the depth dependency of lens distortion but none of them have treated it with highly distorted images. This paper presents an analysis of the distortion depth dependency in strongly distorted images. The division model that is able to represent high distortion with only one parameter is modified to represent a depth-dependent high distortion lens model. The proposed calibration method obtains more accurate results when compared to existing calibration methods.

中文翻译:

深度相关的高失真镜头校准。

高失真图像的准确校正是一个非常复杂的问题。存在几种使用不同技术调整的镜头畸变模型。通常,无论选择哪种模型,都将调整唯一的失真模型以使图像不失真,并且不考虑相机校准模板的距离。几位作者介绍了镜头失真的深度相关性,但他们都没有用高度失真的图像对其进行处理。本文对严重失真的图像中的失真深度相关性进行了分析。修改了仅能用一个参数表示高失真的分割模型,以表示与深度有关的高失真透镜模型。与现有的校准方法相比,提出的校准方法可获得更准确的结果。
更新日期:2020-07-01
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