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Development of an operational digital photogrammetric system for the North Sea oil and gas industry

机译:为北海石油和天然气工业开发可操作的数字摄影测量系统

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Abstract: shore Oil and Gas Industry in the North Sea has many requirements for three-dimensional measurements in air and underwater. A market audit found that use of conventional photogrammetry was being rejected for many applications because the information was not available fast enough. A development project was set up to replace the photographic cameras with a choice of video or high resolution digital electronic cameras, and the analysis system with a personal computer based image processing system. This solution is now in operation. The paper details the in-house development of the high resolution digital electronic camera and the personal computer based measurement hardware and software. It includes a discussion of the technological parameters, including the method for pixel for pixel correlation within the digital system, camera calibration techniques, the system algorithms, sub-pixel measurement and dimensional accuracy. It introduces the work that was carried out to make the final product acceptable to structural engineers, who now use it to transfer three-dimensional measurements to their CAD systems. It also looks at the work that is being carried out to transform the system into a closed loop control system for underwater robotic manipulators, which includes binary conversion, convolution filtering and tracking functions.!2
机译:摘要:北海的岸上石油和天然气工业对空气和水下三维测量有许多要求。市场审计发现,由于信息的获取速度不够快,许多应用程序都拒绝使用常规摄影测量法。设立了一个开发项目,以选择视频或高分辨率数字电子照相机代替照相照相机,以及将分析系统替换为基于个人计算机的图像处理系统。该解决方案现已投入使用。本文详细介绍了高分辨率数字电子相机的内部开发以及基于个人计算机的测量硬件和软件。它讨论了技术参数,包括数字系统中像素相关像素的方法,相机校准技术,系统算法,子像素测量和尺寸精度。它介绍了为使最终产品为结构工程师所接受而进行的工作,他们现在使用该产品将三维尺寸测量结果传输到其CAD系统。它还着眼于将系统转换为水下机器人操纵器的闭环控制系统所进行的工作,该系统包括二进制转换,卷积滤波和跟踪功能。2

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