| 从数字摄影测量工作站(DPW)到数字摄影测量网格(DPGrid) |
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| 引用本文： | 张祖勋.从数字摄影测量工作站(DPW)到数字摄影测量网格(DPGrid)[J].武汉大学学报(信息科学版),2007,32(7):565-571. |
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| 作者姓名： | 张祖勋 |
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| 作者单位： | 武汉大学遥感信息工程学院,武汉市珞喻路129号,430079;武汉大学测绘遥感信息工程国家重点实验室,武汉市珞喻路129号,430079 |
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| 基金项目： | 国家高技术研究发展计划(863计划);国家自然科学基金 |
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| 摘 要： | 指出了现今的数字摄影测量工作站存在的问题，总结了当今数字摄影测量理论的发展，包括影像匹配与观测值的“独立性”原则、多基线近景摄影测量与广义点的概念。结合数字摄影测量硬件与理论的发展，引出由数字摄影测量工作站发展为数字摄影测量网格的理念，说明了数字摄影测量网格的结构、功能，包括基于刀片机的集成处理系统、基于网络的全无缝测图系统及其特点，讨论了数字摄影测量与计算机视觉的关系，介绍了数字摄影测量网格已取得的成果。
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| 关 键 词： | 数字摄影测量 工作站 网格 |
| 文章编号： | 1671-8860（2007）07-0565-07 |
| 修稿时间： | 2007-05-20 |
From Digital Photogrammetry Workstation (DPW) to Digital Photogrammetry Grid (DPGrid) |
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| ZHANG Zuxun.From Digital Photogrammetry Workstation (DPW) to Digital Photogrammetry Grid (DPGrid)[J].Geomatics and Information Science of Wuhan University,2007,32(7):565-571. |
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| Authors: | ZHANG Zuxun |
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| Institution: | 1 School of Remote Sensing and Information Engineering, Wuhan University, 129 Luoyu Road, Wuhan 430079, China;2 State Key Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China |
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| Abstract: | The existing problems of current digital photogrammetry workstation(DPW) are pointed,current development of digital photogrammetry theory is summarized,including the independency rule of image matching and observations,close ranging photogrammetry with multiple bases and the concept of general points.Combining the progress of digital photogrammetry hardware and theory,the ideal,that DPW to digital photogrammetry grid(DPGrid),is educed.The structure and function of a DPGrid are explained,including cluster processing system based on blade computer,fully seam-less mapping system based on network and their features.The relationship of digital photogrammetry and computer vision is discussed too.Moreover acquired achievement of DPGrid is introduced.The conclusion,that "digital photogrammetry is relative young and fast growing field",is emphasized. |
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| Keywords: | digital photogrammetry workstation grid |
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