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The use of digital image for volume determination using digital close range photogrammetric method

机译:使用数字图像通过数字近距离摄影测量法确定体积

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摘要

Calculation of excavation and filling volumes is an important issue in engineering works especially in earthwork project. Various surveying methods can be used in the determination of volume in civil engineering field. At present practice, volume estimation is based on measurement carried out by land surveyor. Close range photogrammetry offers comprehensive approach in various fields such as engineering surveying, architecture and archaeology. The need of the estimated location of target point information has been carried out in previous research for volume calculation where it consumed time for field data acquisition. In this study, attention is given to the coordinate and relative orientation method that is available in Australis software for volume determination. For relative orientation module, the estimated coordinate of the target point is not required. The test of this study is based on physical model and actual object. The result of the computed volume from close range photogrammetry data is compared with the conventional method to determine the accuracy of volume. In this study, the volume accuracy achieved is greater than 90%. This study proved that close range photogrammetry is successfully used for the application of volume computation.
机译:开挖和填充量的计算是工程工作中尤其是土方工程中的重要问题。在土木工程领域中,可以使用各种测量方法来确定体积。目前,数量估算是基于土地测量师进行的测量。近距离摄影测量法在诸如工程测量,建筑和考古学等各个领域提供了综合的方法。在先前的研究中已经进行了对目标点信息的估计位置的需求,以进行体积计算,这需要花费时间来获取现场数据。在这项研究中,注意力集中在Australis软件中用于体积确定的坐标和相对定向方法。对于相对定向模块,不需要估计目标点的坐标。本研究的测试基于物理模型和实际对象。将近距离摄影测量数据计算出的体积结果与常规方法进行比较,以确定体积的准确性。在这项研究中,获得的体积精度大于90%。这项研究证明近距离摄影测量法已成功地用于体积计算的应用。

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