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Related papers: Rockfall susceptibility and network-ranked suscept…

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For rockfall hazard assessment on areas more than several km2 in size, the quantification of runout probability is usually done empirically. Classical methods use statistical distributions of reach or energy angles derived from rockfall…

Geophysics · Physics 2024-04-24 Marc Peruzzetto , Bastien Colas , Clara Lévy , Jérémy Rohmer , Franck Bourrier

Rockfall detection is a crucial procedure in the field of geology, which helps to reduce the associated risks. Currently, geologists identify rockfall events almost manually utilizing point cloud and imagery data obtained from different…

Machine Learning · Computer Science 2022-09-29 Thanasis Zoumpekas , Anna Puig , Maria Salamó , David García-Sellés , Laura Blanco Nuñez , Marta Guinau

Accurate rail location is a crucial part in the railway support driving system for safety monitoring. LiDAR can obtain point clouds that carry 3D information for the railway environment, especially in darkness and terrible weather…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Xinyi Yu , Weiqi He , Xuecheng Qian , Yang Yang , Linlin Ou

Railway detection is critical for the automation of railway systems. Existing models often prioritize either speed or accuracy, but achieving both remains a challenge. To address the limitations of presetting anchor groups that struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Hai Ni , Rui Wang , Scarlett Liu

Gravitational mass flows, such as avalanches, debris flows and rockfalls are common events in alpine regions with high impact on transport routes. Within the last few decades, hazard zone maps have been developed to systematically approach…

Image and Video Processing · Electrical Eng. & Systems 2018-02-22 Matthias Rauter , Daniel Winkler

Reliable obstacle detection on railways could help prevent collisions that result in injuries and potentially damage or derail the train. Unfortunately, generic object detectors do not have enough classes to account for all possible…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Matthias Brucker , Andrei Cramariuc , Cornelius von Einem , Roland Siegwart , Cesar Cadena

Globally rising demand for transportation by rail is pushing existing infrastructure to its capacity limits, necessitating the development of accurate, robust, and high-frequency positioning systems to ensure safe and efficient train…

Robotics · Computer Science 2023-08-24 Cornelius von Einem , Andrei Cramariuc , Roland Siegwart , Cesar Cadena , Florian Tschopp

Describing the basic properties of road network systems, such as their robustness, vulnerability, and reliability, has been a very important research topic in the field of urban transportation. Current research mainly uses several…

Social and Information Networks · Computer Science 2019-06-26 Lei Gao , Xingquan Liu , Yu Liu , Pu Wang , Min Deng , Qing Zhu , Haifeng Li

One essential feature of an autonomous train is minimizing collision risks with third-party objects. To estimate the risk, the control system must identify topological information of all the rail routes ahead on which the train can possibly…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Jungwon Kang , Mohammadjavad Ghorbanalivakili , Gunho Sohn , David Beach , Veronica Marin

Urban rail transit is the backbone of urban transportation, and thus it is significant to understand its vulnerability, i.e., whether the system can still maintain normal operations when facing operational disturbances with different…

Dynamical Systems · Mathematics 2022-10-11 Shouzheng Pan , Jia He , Ning Jia , Der-Horng Lee , Zhengbing He

We apply a deep learning model to segment and identify rock characteristics based on a Structure-from-Motion orthomap and digital elevation model of a rocky fault scarp in the Volcanic Tablelands, eastern California. By post-processing the…

Railways are a key infrastructure for any modern country. The reliability and resilience of this peculiar transportation system may be challenged by different shocks such as disruptions, strikes and adverse weather conditions. These events…

Physics and Society · Physics 2018-09-19 Bernardo Monechi , Pietro Gravino , Riccardo di Clemente , Vito D. P. Servedio

Less than 10 meters deep, shallow landslides are rapidly moving and strongly dangerous slides. In the present work, the probabilistic distribution of the landslide detachment points within a valley is modelled as a spatial Poisson point…

Applications to support pedestrian mobility in urban areas require a complete, and routable graph representation of the built environment. Globally available information, including aerial imagery provides a scalable source for constructing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Yuxiang Zhang , Bill Howe , Sachin Mehta , Nicholas-J Bolten , Anat Caspi

Avalanche disaster is a major natural disaster that seriously threatens the national infrastructure and personnel's life safety. For a long time, the research of avalanche disaster prediction in the world is insufficient, there are only…

Geophysics · Physics 2023-08-30 Zexuan Zhou , Bingqi Ma , Jianwei Zhu , Zhizhong Kang

Maintaining a sustainable socio-ecological state of a river delta requires delivery of material and energy fluxes to its body and coastal zone in a way that avoids malnourishment that would compromise system integrity. We present a…

Geophysics · Physics 2014-08-26 Alejandro Tejedor , Anthony Longjas , Ilya Zaliapin , Efi Foufoula-Georgiou

A model of the Italian 380 kV electrical transmission network has been analyzed under the topological and the functional viewpoints. The DC power flow model used to evaluate the power flux has been solved on the basis of input conditions…

Physics and Society · Physics 2009-09-10 V. Rosato , L. Issacharoff , G. Gianese , S. Bologna

With a changing climate, the frequency and intensity of extreme weather events are likely to increase, posing a threat to infrastructure systems' resilience. The response of infrastructure systems to localised failures depends on whether…

Systems and Control · Electrical Eng. & Systems 2022-11-21 Qianqian Li , Giuliano Punzo , Craig Robson , Hadi Arbabi , Martin Mayfield

Rail detection, essential for railroad anomaly detection, aims to identify the railroad region in video frames. Although various studies on rail detection exist, neither an open benchmark nor a high-speed network is available in the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Xinpeng Li , Xiaojiang Peng

Application of electronic railway systems as well as the implication of Automatic Train Control (ATC) System has increased the safety of rail transportation. However, one of the most important causes of accidents on the railway is rail…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Mohsen Ebrahimi
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