用不精确对准相机的摄影测量方法确定落雹的运动学

IF 2.1 3区 地球科学 Q2 GEOGRAPHY, PHYSICAL Photogrammetric Record Pub Date : 2006-08-26 DOI:10.1111/J.1477-9730.1976.TB00854.X
A. Beattie, E. Lozowski
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引用次数: 0

摘要

利用一对35毫米相机和频闪照明的立体摄影技术,记录、重建和测量了极端恶劣自然条件下冰雹的下落轨迹。由于不可能精确地固定或测量相机的位置和方向,因此设计了一种方法,利用立体摄影中包含的其他冗余信息来获得三维冰雹坐标和相机的位置和方向。在一个应用程序上,有两个35毫米的相机和一个快速频闪镜,用于记录物体的运动轨迹。塞西·安帕特(Ceci n'a pu)意识到,在困难的条件下,他们会做些什么。委员会将不采取可能的不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机、不稳定摄影机。35毫米相机的立体摄影和频闪摄影,在极限条件下的立体摄影和频闪摄影,在极限条件下的立体摄影和频闪摄影,在极限条件下的立体摄影和频闪摄影,在极限条件下的立体摄影。des night moglich war, die Kammerstandpunkte and -orientierungen zu fixieren der exakt zu vermessen, wurde ein Verfahren abgeleitet, um sowohl die direcdimensionalen Koordinaten der Hagelkorner and auch die Kammerparameter durch Verwendung derch die Stereophotos gelieferten冗余Informationen derhalten。
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DETERMINING THE KINEMATICS OF FALLING HAILSTONES USING PHOTOGRAMMETRIC METHODS WITH IMPRECISELY ALIGNED CAMERAS
Stereophotography with a pair of 35 mm cameras and stroboscopic illumination was used to record, reconstruct and measure the trajectories of falling hailstones under extremely adverse natural conditions. Since it was not possible either to fix or to measure precisely the camera positions and orientations, a method was devised to obtain both the three dimensional hailstone co-ordinates and the camera positions and orientations by making use of the otherwise redundant information contained in the stereo-photography. Resume On a utilise deux cameras de 35 mm et un eclairage stroboscopique pour enregistrer en vue de leurs restitutions les trajectoires de grelons; ceci n'a pu etre realise que dans des conditions difficiles. Comme il n'etait pas possible de stabiliser les cameras et de determiner les coordonnees des points de station, on a mis au point une methode speciale. Zusammenfassung Die Stereophotographie mit einem Paar von 35 mm Kameras und stroboskopischer Beleuchtung wurde angewendet, um die Kurven fallender Hagelkorner unter extrem von den naturlichen abweichenden Bedingungen zu registrieren, rekonstruieren und zu vermessen. Da es nicht moglich war, die Kammerstandpunkte und -orientierungen zu fixieren oder exakt zu vermessen, wurde ein Verfahren abgeleitet, um sowohl die dreidimensionalen Koordinaten der Hagelkorner als auch die Kammerparameter durch Verwendung der durch die Stereophotos gelieferten redundanten Informationen zu erhalten.
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来源期刊
Photogrammetric Record
Photogrammetric Record 地学-成像科学与照相技术
CiteScore
3.60
自引率
25.00%
发文量
71
审稿时长
>12 weeks
期刊介绍: The Photogrammetric Record is an international journal containing original, independently and rapidly refereed articles that reflect modern advancements in photogrammetry, 3D imaging, computer vision, and other related non-contact fields. All aspects of the measurement workflow are relevant, from sensor characterisation and modelling, data acquisition, processing algorithms and product generation, to novel applications. The journal provides a record of new research which will contribute both to the advancement of photogrammetric knowledge and to the application of techniques in novel ways. It also seeks to stimulate debate though correspondence, and carries reviews of recent literature from the wider geomatics discipline. Relevant topics include, but are not restricted to: - Photogrammetric sensor calibration and characterisation - Laser scanning (lidar) - Image and 3D sensor technology (e.g. range cameras, natural user interface systems) - Photogrammetric aspects of image processing (e.g. radiometric methods, feature extraction, image matching and scene classification) - Mobile mapping and unmanned vehicular systems (UVS; UAVs) - Registration and orientation - Data fusion and integration of 3D and 2D datasets - Point cloud processing - 3D modelling and reconstruction - Algorithms and novel software - Visualisation and virtual reality - Terrain/object modelling and photogrammetric product generation - Geometric sensor models - Databases and structures for imaging and 3D modelling - Standards and best practice for data acquisition and storage - Change detection and monitoring, and sequence analysis
期刊最新文献
Clifford Leslie Ogleby Photogrammetric Computer Vision – Statistics, Geometry, Orientation and Reconstruction. By Wolfgang Förstner and Bernhard P. Wrobel. Springer International Publishing, 2016. ISBN 978‐3‐319‐11549‐8. 816 pages with 59 colour figures. Price: £44·99 hardback; £35·99 eBook. Fundamentals of Satellite Remote sensing: An Environmental Approach. Second edition. By Emilio Chuvieco. CRC Press/Taylor & Francis, Boca Raton, Florida, USA. 2016. ISBN 978‐1‐4987‐2805‐8. 468 pages with 267 colour figures. Price: £63·99 hardback; £44·79 eBook. Book review: Structure from motion in the geosciences Building Earth Observation Cameras. By GEORGE Joseph. CRC Press, Taylor and Francis Group, Boca Raton, Florida, USA, 2015. ISBN 978‐1‐4665‐6647‐7. 240 mm × 100 mm. 350 pages. Price: £ 108·00.
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