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Digital cameras used in the calibration of the three-dimensional reconstruction of the object surface technology research

Author: MiaoHongJie
Tutor: LiuXianLin
School: Capital Normal University
Course: Cartography and Geographic Information Systems
Keywords: Digital cameras Camera Calibration Digital Close Range Photogrammetry Digital Image Processing Three-dimensional reconstruction
CLC: P234.2
Type: Master's thesis
Year: 2005
Downloads: 293
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Abstract


The digital camera has been rapid development in recent years , because of its low cost , easy to carry , handle easy features digital camera technology used in digital close-range photogrammetry close-range surface three-dimensional modeling has become a hot research . In this paper, the main issues on the basis of the analysis of the digital camera imaging mechanism and digital cameras used in close-range photogrammetry aspects need to be addressed , the theories and methods of digital camera calibration for close-range photogrammetry , digital camera performance and technical indicators and use digital cameras on the establishment of a high-precision three-dimensional the indoor control field and outdoor control field calibration method validation and test . Based on the processing and analysis of the experimental results , a detailed analysis of the accuracy of the digital camera , digital camera for close-range photogrammetry meet certain technical and performance conditions , to achieve high-precision surface features three-dimensional surface modeling requirements. Stereo pair acquired a digital camera , this study using digital image processing techniques , image feature point extraction , image matching and data modeling of three-dimensional surface image feature extraction , using a variety of operators , deepening of the digital the understanding of the image processing . And summarizes the main factors to affect the accuracy of digital close-range photogrammetry on an experimental basis , reasonable proposals put forward to improve the accuracy . Thesis, according to the principle of object-oriented design and programming using Visual C development of the various algorithms .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Photogrammetry and Surveying, Mapping and Remote Sensing > Non - topographic photogrammetry > Underwater photogrammetry
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