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Eva ?tefanová, Eva Novotná and Miroslav Cábelka
The aim of the article is to prepare a model for making available metadata and digital objects of the new Globe Virtual Collection for the Map Collection of the Faculty of Science of Charles University. The globes are special cartographic documents; ther...
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Luping Li, Jian Chen, Xing Su and Ahsan Nawaz
Accurate building models are widely used in the construction industry in the digital era. UAV cameras combined with image-based reconstruction provide a low-cost technology for building modeling. Most existing reconstruction methods operate on point clou...
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Emanuel Demetrescu and Daniele Ferdani
This article is framed into the theoretical and methodological background of virtual archaeology. The advantages of virtual archaeology and its weak points have long been discussed in academia, formulating theoretical foundations and principles to be fol...
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Atsuko Fukunaga, John H. R. Burns, Brianna K. Craig and Randall K. Kosaki
Long-term ecological monitoring of reef fish populations often requires the simultaneous collection of data on benthic habitats in order to account for the effects of these variables on fish assemblage structure. Here, we described an approach to benthic...
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Georgi Nikolov Georgiev
Pág. 6 - 17
The research of historical heritage is related to creation, storage and distribution of visual information about them. With the development of digital technologies, the three-dimensional scanning and visual regeneration of buildings of cultural heritage ...
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Gabriele Guidi, Sara Gonizzi Barsanti, Laura Loredana Micoli and Umair Shafqat Malik
This paper presents the methodological approach and the actual workflow for creating the 3D digital reconstruction in time of the ancient Roman Circus of Milan, which is presently covered completely by the urban fabric of the modern city. The diachronic ...
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Hossein Bagheri, Michael Schmitt and Xiaoxiang Zhu
So-called prismatic 3D building models, following the level-of-detail (LOD) 1 of the OGC City Geography Markup Language (CityGML) standard, are usually generated automatically by combining building footprints with height values. Typically, high-resolutio...
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Mario Matthys, Laure De Cock, John Vermaut, Nico Van de Weghe and Philippe De Maeyer
More and more digital 3D city models might evolve into spatiotemporal instruments with time as the 4th dimension. For digitizing the current situation, 3D scanning and photography are suitable tools. The spatial future could be integrated using 3D drawin...
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Paul-Mark DiFrancesco, David A. Bonneau and D. Jean Hutchinson
Key to the quantification of rockfall hazard is an understanding of its magnitude-frequency behaviour. Remote sensing has allowed for the accurate observation of rockfall activity, with methods being developed for digitally assembling the monitored occur...
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Zhiyi Gao, Akio Doi, Kenji Sakakibara, Tomonaru Hosokawa and Masahiro Harata
In recent years, the use of three-dimensional (3D) measurement and printing technologies has become an effective means of analyzing and reproducing both physical and natural objects, regardless of size. However, in some complex environments, such as coas...
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Jung-Ping Liu, Tatsuki Tahara, Yoshio Hayasaki and Ting-Chung Poon
Digital holography (DH) is a promising technique for modern three-dimensional (3D) imaging. Coherent holography records the complex amplitude of a 3D object holographically, giving speckle noise upon reconstruction and presenting a serious drawback inher...
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Chunsen Zhang, Shu Shi, Yingwei Ge, Hengheng Liu and Weihong Cui
The digital elevation model (DEM) generates a digital simulation of ground terrain in a certain range with the usage of 3D point cloud data. It is an important source of spatial modeling information. Due to various reasons, however, the generated DEM has...
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Dejiang Wang, Quanming Jiang and Jinzheng Liu
In the field of building information modeling (BIM), converting existing buildings into BIM by using orthophotos with digital surface models (DSMs) is a critical technical challenge. Currently, the BIM reconstruction process is hampered by the inadequate...
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Salvatore Distefano and Fabiano Gamberi
Understanding of complex sedimentary records formed by transgressive systems is critical because they provide information on sea level changes which control the evolution of the coastal environment. This paper discusses the preservation of the Transgress...
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Panagiotis Gkionis, George Papatheodorou and Maria Geraga
Through the study of three wreck sites over the Methoni Bay (Greece), this article presents the benefits of spatio-temporal integration and correlation of marine geophysical data in a common three-dimensional (3D) geographical platform for analysis, and ...
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Yahya Alshawabkeh, Ahmad Baik and Yehia Miky
Digital 3D capture and reliable reproduction of architectural features is the first and most difficult step towards defining a heritage BIM. Three-dimensional digital survey technologies, such as TLS and photogrammetry, enable experts to scan buildings w...
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Gustavo Rocha and Luís Mateus
Architectural survey methods using terrestrial 3D laser scanning and digital photogrammetry prove capable of registering a building with a level of accuracy far superior to traditional methods, minimizing errors, and reducing fieldwork. Current developme...
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Xuedong Wen, Hong Xie, Hua Liu and Li Yan
3D urban building models, which provide 3D information services for urban planning, management and operational decision-making, are essential for constructing digital cities. Unfortunately, the existing reconstruction approaches for LoD3 building models ...
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Pankaj Kumar, Paul Lewis and Tim McCarthy
Active contour models present a robust segmentation approach, which makes efficient use of specific information about objects in the input data rather than processing all of the data. They have been widely-used in many applications, including image segme...
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Pankaj Kumar 1, Paul Lewis, Tim McCarthy
Pág. 1 - 16
Active contour models present a robust segmentation approach, which makes efficient use of specific information about objects in the input data rather than processing all of the data. They have been widely-used in many applications, including image segme...
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