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A Multi-Resolution Photogrammetric Framework for Digital Geometric Recording of Large Archeological Sites: Ajloun Castle-Jordan

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International Journal of Geosciences 2016年第3期7卷 425-439页

作者： A’kif Al-Fugara Rida Al-Adamat Yahya Al-Shawabkeh Omar Al-Kour Abdel Rahman Al-Shabeeb Department of Surveying Engineering Faculty of Engineering Al al-Bayt University Mafraq Jordan Department of GIS and Remote Sensing Institute of Earth and Environmental Sciences Al al-Bayt University Mafraq Jordan Queen Rania Institutes of Tourism & Heritage The Hashemite University Zarqa Jordan Geographic Information Systems and Maps Department of Human Sciences and Technology Community College Taibah University Medina KSA

The generation of reality-based 3D models of archeological sites is the future of representing existing ancient structures. Such approach requires substantial economic and logistical costs which limit this application. In this context, this paper presents the use of photogrammetric workflow, based on Structure from Motion techniques (SfM) to derive 3D metric information from Structure-and-Motion images. The interdisciplinary 3D modeling framework consists of fusion of multi resolution images from both overlapped low-altitude aerial and multi-view terrestrial imagery. The acquisition of aerial photographs survey was based on archived oblique aerial stereo pair photos acquired from the aerial Photographic Archive for Archaeology in the Middle East (APAAME) project, while terrestrial of close range photos covering the castle walls has been acquired using portable camera. Camera calibration and orientation were carried out by VisualSFM, CMPMVS (Multi-View Reconstruction) and SURE (Photogrammetric Surface Reconstruction from Imagery) software. The resulted cloud points were processed using cloud Compare, MeshLab, Agisoft, and Skethup Softwares. A complete 3D digital geometric recording of the site was accomplished based on dense 3D point clouds with realistic metric accuracy and photorealistic performance to meet all the surveying and archaeological needs. The final Ajloun castle’s digital model geometry was added as a 3D building layer on Google Earth.

关键词： Ajloun Castle 3D Modeling SFM Terrestrial Images aerial photos Archaeological Documentation Photogrammetry

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