| Positioning of Screw Holes Camera and DigitalGroup Based on Digital Control Drilling |
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| 作者姓名： | FENGWenhao LIJiansong YANLi SUGuozhong YUANXiuxiao ZHONGShengzhang JIHuiming |
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| 作者单位： | FENGWenhao,professor,Ph.Dsupervisor,SchoolofRemoteSensingandInformationEngineering,WuhanUniversity,129LuoyuRoad,Wuhan430079,China. |
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| 摘 要： | Positioning of screw holes is an important production procedure for steel construction connecting with bolts. In this paper, a new production method is presented, in which the digital camera is used for taking pictures of screw holes and other techniques are advanced. This paper also indicates that the pixels of CCD chip in photogrammetry should be chosen as all geometric units in an image, such as interior elements and all kinds of distortions. The measure can also simplify the camera calibration for determining the size of non-square pixel.
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| 关 键 词： | 数字化照相机 螺丝孔 照相测量法 晶束调节器 |
| 收稿时间： | 17 June 2004 |
Positioning of screw holes group based on digital camera and digital control drilling |
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| FENGWenhao LIJiansong YANLi SUGuozhong YUANXiuxiao ZHONGShengzhang JIHuiming.Positioning of Screw Holes Camera and DigitalGroup Based on Digital Control Drilling[J].Geo-Spatial Information Science,2004,7(4):235-242. |
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| Authors: | Feng Wenhao Li Jiansong Yan Li Su Guozhong Yuan Xiuxiao Zhong Shengzhang Ji Huiming |
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| Institution: | (1) School of Remote Sensing and Information Engineering, Wuhan University, 129 Luoyu Road, 430079 Wuhan, China |
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| Abstract: | Positioning of screw holes is an important production procedure for steel construction connecting with bolts. In this paper, a new production method is presented, in which the digital camera is used for taking pictures of screw holes and other techniques are advanced. This paper also indicates that the pixels of CCD chip in photogrammetry should be chosen as all geometric units in an image, such as interior elements and all kinds of distortions. The measure can also simplify the camera calibration for determining the size of non-square pixel. |
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| Keywords: | digital camera screw holes digital drilling machine photogrammetry multi-station photogrammetry self-calibration bundle adjustment |
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