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The Research for the Wide-Angle Lens Distortion Correction by Photogrammetry Techniques  

Kang, Jin-A (인하대학교 공과대학 지리정보공학과)
Park, Jae-Min (인하대학교 공과대학 지리정보공학과)
Kim, Byung-Guk (인하대학교 공과대학 사회기반시스템공학과)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.26, no.2, 2008 , pp. 103-110 More about this Journal
Abstract
General lens, widely using in Photogrammetry, has narrow view, and have to adjust "Image-Registration Method" after obtain images and it need cost; economic, period of time. Recent days, there is various study that use wide-angle lens, usually for robotics field, put to practical use in photogrammetry instead of general lens. In this studies, distortion tendency of wide-angle lens and utilize the correction techniques suitable to wide-angle lens by the existing photographic survey methods. After carrying out the calibration of the wide-angle lens, we calculated the correction parameters, and then developed the method that convert the original image-point to new image-point correcting distortion. For authorization the developed algorithm, we had inspection about shape and position; there are approximately 2D RMSE of 3 pixel, cx = 2, and cy = 3 different.
Keywords
Photogrammetry; Wide-angle Lens; Lens Distortion Calibration; Auto Calibration Program;
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