期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN:2194-9042
电子版ISSN:2194-9050
出版年度:2008
卷号:XXXVII Part B3b
页码:125-130
出版社:Copernicus Publications
摘要:Today, 3D models are used in a wide variety of fields. The medical industry uses detailed models of organs. The movie industry uses them as characters and objects for animated and real-life motion pictures. The architecture industry uses them to demonstrate proposed buildings and landscapes. The engineering community uses them as designs of new devices, vehicles and structures as well as a host of other uses. The use of three dimensional computer graphics and visualization techniques is becoming more and more popular, because these techniques visualize more realistic object models than graphic based object models. However, in most application of 3D modelling and visualization, large and complex 3D models data are required. The basic data source of three dimensional (3D) modeling of regular or irregular surfaced objects are known (or calculated) point coordinates . Obtaining of 3D model of the irregular surfaced objects need plenty points to represent the surface exactly. These points can be easily obtained both traditional methods and from the measurement of the photographs. In this study, the case and ability of the close range photogrammetry have been investigated for 3D modeling. Therefore, an irregular surfaced artificial object was used to appreciate of capability of photogrammetric methods. Firstly, photographs of the object was taken. According to the photogrammetric procedures, 541 point coordinates were surveyed. Calculated root mean square error of the control points are 1.2 mm in x direction 1.1 mm in y direction and 1.0 in z direction. All procedures to obtain 3D model of the object was completed in 4 hours. Volume of the object was recalculated from the 3D model with 0.48 % error
关键词:3D; Modelling; Digital Close Range Photogrammetry; Data