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A Study on the Kinematic Surveying Method Using the Digital Video Recorder  

함창학 (인하공업전문대학 지형정보과)
김원대 (인하공업전문대학 지형정보과)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.21, no.3, 2003 , pp. 229-236 More about this Journal
Abstract
This study recorded an object using a digital video recorder, and then tried to estimate 3-D positional information and to reconstruct an image. Firstly, the accuracy of measurement results from a video recorder was evaluated and tested for an applicability, then it applied to a real object to construct 3-D digital model. This study assumed that there is no lens distortion in a video recorder, and all bundles should precisely pass through the projection center of a lens. The image size for orientations is determined by the size of CCD chip and the number of pixels. The average squared error from the result by a digital video recorder and that by triangular survey from 1-second theodolite shows 0.0173m error in x,y coordinates. Without knowing the accurate information on the lens distortion and the coordinates of the projection center, this study reasonably produces acceptable results in the reconstruction of 3-D model. In consequence, this study found that the image from a digital video camera can be reconstructed 3-D model only from the information on a camera type.
Keywords
동적측량시스템;디지털비디오리코더;근거리사진측량;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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