With the advanced digital photogrammetry technology , a range of new products and services , such as an orthophotomap ( an aerial map which is rectified to remove geometric distortions ) , 3d modelling and image analysis , are being developed for various purposes 测绘处已采用先进的数码摄影测量科技,并正配合各类用途开发一系列新产品及服务,例如正射影像地图、建立三维模型及影像分析等。
The paper applys ccd technology , digital photogrammetry theory , gis management technology and computer processing technology of image , combining the specialty of engineering geology catalog , to developing and studying the engineering geology catalog system based on digital image 本文综合运用ccd技术、摄影测量理论、 gis技术和计算机图形图像处理技术,并结合工程中地质编录的一些特点,研究开发了数字影像的地质编录系统。
The system meet the demand for miniaturization and integration of the system and meet the demand of the special measuring in the mutual experiment , the foundation is laid for the manufacture of three - dimensional measuring system in digital photogrammetry independently 基于本文设计思想实现的三维量测系统,不仅形式上更加符合数字摄影测量对三维量测系统的小型化、集中化的要求,而且经交互式模拟实验验证可以满足专业测量要求。
In the information era of digital , intelligence and network , complete digital photogrammetry machine is applied to dispose of and analyze image and build measurement system of measured object ' s 3 - d model based on the close - range photogrammetry technique in this paper 在当今数字化、智能化和网络化的信息时代,基于近景摄影测量技术,应用完全数字化的摄影测量机,处理和解算摄影图像,并实现了建立被测量物体三维模型的测量系统。
In combination with the developing direction and the trend of photogrammetry , the digital photogrammetry technology and the digital camera are introduced . and some methods of acquiring digital images and different characteristics between film images and digital images are explained 结合航空摄影测量发展的方向和趋势,本文阐述了数字摄影测量技术及数字航摄仪的发展与应用,介绍了数字影像的获取方法,并对模拟影像和数字影像的特性进行了比较。
Aimimg at the rapid development of the digital photogrammetry and computer technique , this paper analyzes problems existing during production process in survey unit and the current demand on digital photogrammetry system , studies the basic theory of digital photogrammetry and the pivotal techniques of database > webgis , web3d and other network shared platform technologies , and accomplishes a integrated digital photogrammetric system including the whole process from data acquisition and managing to application 本文针对数字摄影测量和计算机技术的飞速发展,分析了目前测绘部队生产中存在的问题和当前对数字摄影测量系统的要求,深入的研究了数字摄影测量的基本理论和数据库、 webgis 、 web3d等空间信息共享平台的关键技术,完成了一套数字摄影测量从数据获取和管理到应用的集成系统。
Then , the article describes the mathematic model of block adjustment with independent model andundle block adjustment which both supported by gps data . at last , takeing the digital aerial triangulation system of the red star digital photogrammetry system as the testing platform , we required some conclusions significative to actual generation 在此基础上,建立gps数据支持的独立模型法和光束法区域网平差的数学模型。并以红星数字摄影测量系统中的数字空三子系统为平台进行试验,获得若干对实际生产有指导意义的结论。
9 . we accomplish the experiment of network shared platform for information and present the experiment result . through above research we have gained the staggered result , it offers me good foundation to carry out further research into digital photogrammetry " and its application in network shared platform in future 完成了网络信息共享平台方法性的实验,并得到了初步的实验结果通过以上的研究取得了阶段性成果,为我在今后数字摄影测量技术的进一步研究及其在空间信息共享平台中的应用打下了良好的基础。
The advances in computer hardware and software technology , such as remote sensing and geographical information system , digital photogrammetry and real time three dimensional ( 3d ) digital model visualization system specifically , have enhanced the capacity for the management of planning data significantly 电脑硬件和软件科技的进步,特别是遥感及地理资料系统、数码摄影测量和实时立体模型显象化系统( visualizationsystem )的改进,大大加强了处理规划资料的能力。
Researches on how to develop all digital photogrammetry sof tware based on general digital camera . and a mathematical model for softwares t wo main parts , direct linear transform ation and least squares image matching , is given , a physical model for examining the softwares entire performance is also given . the results of numerical imitation and physical models calculation show that the software development a nd research in the above two parts are successful 给出了普通数码相机数字摄影测量软件主体部分的开发思路,对软件中的两大主要部分? ?直接线性变换与影像匹配两部分分别给出了数学模型,为检验软件的整体性能,又给出了一个物理模型.通过数值模拟及物理模型的计算结果,表明软件在以上两部分的开发研究是成功的