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Paniz Abedin, Arnab Ganguly, Solon P. Pissis and Sharma V. Thankachan
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Jian Li, Yipu Peng, Zhiyuan Tang and Zichao Li
To address the incomplete image data collection of close-to-ground structures, such as bridge piers and local features like the suspension cables in bridges, obtained from single unmanned aerial vehicle (UAV) oblique photography and the difficulty in acq...
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Uznir Ujang, Francesc Anton Castro and Suhaibah Azri
In spatial science, the relationship between spatial objects is considered to be a vital element. Currently, 3D objects are often used for visual aids, improving human insight, spatial observations, and spatial planning. This scenario involves 3D geometr...
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Li Li and Kyung Soo Jun
River flood routing computes changes in the shape of a flood wave over time as it travels downstream along a river. Conventional flood routing models, especially hydrodynamic models, require a high quality and quantity of input data, such as measured hyd...
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Yang Chao, Chaoning Lin, Tongchun Li, Huijun Qi, Dongming Li and Siyu Chen
Aiming to investigate the problem that dam-monitoring data are difficult to analyze in a timely and accurate automated manner, in this paper, we propose an automated framework for dam health monitoring based on data microservices. The framework consists ...
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Ching-Yun Mu, Tien-Yin Chou, Thanh Van Hoang, Pin Kung, Yao-Min Fang, Mei-Hsin Chen and Mei-Ling Yeh
Spatial information technology has been widely used for vehicles in general and for fleet management. Many studies have focused on improving vehicle positioning accuracy, although few studies have focused on efficiency improvements for managing large tru...
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Steven Bouma, Christophe Hurter and Alexandru Telea
Creating simplified visualizations of large 3D trail sets with limited occlusion and preservation of the main structures in the data is challenging. We address this challenge for the specific context of 3D fiber trails created by DTI tractography. For th...
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Salvatore Gambino, Giovanni Barreca, Valentina Bruno, Giorgio De Guidi, Carmelo Ferlito, Felix Gross, Mario Mattia, Luciano Scarfì and Carmelo Monaco
Offshore data in the western Ionian Sea indicate that the NW?SE-trending dextral shear zone of the Alfeo-Etna Fault System turns to the N?S direction near the Ionian coastline, where the extensional Timpe Fault System is located. Morpho-structural data s...
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Nikolai A. Voinov, Alexander S. Frolov, Anastasiya V. Bogatkova and Denis A. Zemtsov
This paper presents and patents new profiled- and annular-channel tangential swirlers with 1.8?3 times less hydraulic drag coefficient compared to swirlers with straight channel walls at the same flow rate, respectively. The results of numerical simulati...
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Su Yang, Miaole Hou, Ahmed Shaker and Songnian Li
The digital documentation of cultural relics plays an important role in archiving, protection, and management. In the field of cultural heritage, three-dimensional (3D) point cloud data is effective at expressing complex geometric structures and geometri...
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Stelios Vitalis, Ken Arroyo Ohori and Jantien Stoter
3D city models are being extensively used in applications such as evacuation scenarios and energy consumption estimation. The main standard for 3D city models is the CityGML data model which can be encoded through the CityJSON data format. CityGML and Ci...
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Jianbo Tang, Min Deng, Jincai Huang, Huimin Liu and Xueying Chen
Ubiquitous trajectory data provides new opportunities for production and update of the road network. A number of methods have been proposed for road network construction and update based on trajectory data. However, existing methods were mainly focused o...
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Hao Li, Maosheng Hu and Youxin Huang
The identification of overpass structures in road networks has great significance for multi-scale modeling of roads, congestion analysis, and vehicle navigation. The traditional vector-based methods identify overpasses by the methodologies coming from co...
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Michael Mair, Jonatan Zischg, Wolfgang Rauch and Robert Sitzenfrei
Urban water infrastructure, i.e., water supply and sewer networks, are underground structures, implying that detailed information on their location and features is not directly accessible, frequently erroneous, or missing. For public use, data is also no...
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Michael Mair, Jonatan Zischg, Wolfgang Rauch, Robert Sitzenfrei
Pág. 1 - 15
Urban water infrastructure, i.e., water supply and sewer networks, are underground structures, implying that detailed information on their location and features is not directly accessible, frequently erroneous, or missing. For public use, data is also no...
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Pierre Drap, Odile Papini, Elisa Pruno, Micchele Nucciotti and Guido Vannini
This paper presents certain reflections concerning an interdisciplinary project between medieval archaeologists from the University of Florence (Italy) and computer science researchers from CNRS, National Center for Scientific Research, (France), aiming ...
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Yuxiang Zhou, Xiang Cai, Qingfeng Zhao, Zhoufang Xiao and Gang Xu
The frame field distributed inside the model region characterizes the singular structure features inside the model. These singular structures can be used to decompose the model region into multiple quadrilateral structures, thereby generating a block-str...
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Sizeng Zhao, Fei Kang and Junjie Li
Cracks are the main damages of concrete structures. Since cracks may occur in areas that are difficult to reach, non-contact measurement technology is required to accurately measure the width of cracks. This study presents an innovative computer vision s...
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Qiang Wu, Yan Dong and Liping Xie
Aiming at the problem that the assembly body model is difficult to classify and retrieve (large information redundancy and poor data consistency), an assembly body retrieval method oriented to key structures was presented. In this paper, a decision forma...
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Luis Gézero and Carlos Antunes
The railway structures need constant monitoring and maintenance to ensure the train circulation safety. Quality information concerning the infrastructure geometry, namely the three-dimensional linear elements, are crucial for that processes. Along with t...
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