# lens distortion

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Related to lens distortion: Barrel Distortion

## lens distortion

Image displacement caused by lens irregularities and aberrations.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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LENS DISTORTION (iOS, free with in-app purchases) WE ALL like a good photo filter app on our smartphones - how else are we going to make our photos look like they were taken with a 40-year-old instant camera?
The topics include a close-range photogrammetric solution working with zoomed images from digital cameras, a four-point planar homography algorithm for rectification photogrammetry: development and applications, applying camera matching methods to laser-scanned three-dimensional scene data with comparisons to other methods, evaluating the accuracy of image-based scanning as a basis for the photogrammetric reconstruction of physical evidence, and evaluation two methodologies for lens distortion removal when exchangeable image file format data is unavailable.
In addition, lens distortion degrades the accuracy of the camera calibration [7].
Here, f is the focal length, o is the principal point with the image coordinates of ([X.sub.o], [y.sub.o]), and [DELTA]r and [DELTA]p denote the radial lens distortion and the decentering lens distortion, respectively.
The RAC [29] points out that, assuming only radial lens distortion exists, the position vector [mathematical expression not reproducible] determined by the ideal image point and the distorted image point should be aligned with the position vector [mathematical expression not reproducible], which is the vertical line from the point [P.sub.W] to the optical axis, and there is a relationship between two position vectors as [mathematical expression not reproducible].
This is one of the best apps to correct lens distortion. Not only will it remove the distortion, it allows you to change the perspective and composition of the photo.
In this paper, the technique is used for lens distortion model evaluation.
My workflow is to process all these files in Adobe Camera Raw (or Adobe Lightroom) with identical settings to make them all look as good as possible, including the application of Lens Correction to correct lens distortion and reduce vignetting.
In order to make a live 360 stream easy to setup and use, the Cloud Encoder - 360 integrates real time lens distortion correction, video stitching, and compression, eliminating the need to purchase third-party software.
However, if higher accuracy is pursued, some influence factors can not be ignored, such as out-of-plane displacement, self-heating of the camera, lens distortion, and image blur induced by motion.

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