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Robots operating in populated environments encounter many different types of people, some of whom might have an advanced need for cautious interaction, because of physical impairments or their advanced age. Robots therefore need to…

Robotics · Computer Science 2017-08-03 Andres Vasquez , Marina Kollmitz , Andreas Eitel , Wolfram Burgard

With the rise of internet technology amidst increasing rates of urbanization, sharing information has never been easier thanks to globally-adopted platforms for digital communication. The resulting output of massive amounts of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Yingzhou Lu , Kosaku Sato , Jialu Wang

Statistical divergence is widely applied in multimedia processing, basically due to regularity and interpretable features displayed in data. However, in a broader range of data realm, these advantages may no longer be feasible, and…

Databases · Computer Science 2020-11-20 Ruoyu Wang , Xiaobo Hu , Daniel Sun , Guoqiang Li , Raymond Wong , Shiping Chen , Jianquan Liu

Visual localization is an essential component of intelligent transportation systems, enabling broad applications that require understanding one's self location when other sensors are not available. It is mostly tackled by image retrieval…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Kyung Ho Park

Neighborhoods populated by amenities--such as restaurants, cafes, and libraries--are considered to be a key property of desirable cities. Yet, despite the global enthusiasm for amenity-rich neighborhoods, little is known about the empirical…

Physics and Society · Physics 2016-07-21 César A. Hidalgo , Elisa E. Castañer

We have released an open dataset with global coverage on road surface characteristics (paved or unpaved) derived utilising 105 million images from the world's largest crowdsourcing-based street view platform, Mapillary, leveraging…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Sukanya Randhawa , Eren Aygun , Guntaj Randhawa , Benjamin Herfort , Sven Lautenbach , Alexander Zipf

The increasing availability of traffic data from sensor networks has created new opportunities for understanding vehicular dynamics and identifying anomalies. In this study, we employ clustering techniques to analyse traffic flow data with…

Machine Learning · Computer Science 2025-09-26 Davide Moretti , Elia Onofri , Emiliano Cristiani

In current object detection, algorithms require the object to be directly visible in order to be detected. As humans, however, we intuitively use visual cues caused by the respective object to already make assumptions about its appearance.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Sascha Saralajew , Lars Ohnemus , Lukas Ewecker , Ebubekir Asan , Simon Isele , Stefan Roos

With the number of vehicles continuously increasing, parking monitoring and analysis are becoming a substantial feature of modern cities. In this study, we present a methodology to monitor car parking areas and to analyze their occupancy in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Bilel Benjdira , Anis Koubaa , Wadii Boulila , Adel Ammar

Crowd density level estimation is an essential aspect of crowd safety since it helps to identify areas of probable overcrowding and required conditions. Nowadays, AI systems can help in various sectors. Here for safety purposes or many for…

Cryptography and Security · Computer Science 2024-05-14 Mahira Arefin , Md. Anwar Hussen Wadud , Anichur Rahman

For advanced driver assistance systems, it is crucial to have information about oncoming vehicles as early as possible. At night, this task is especially difficult due to poor lighting conditions. For that, during nighttime, every vehicle…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Lars Ohnemus , Lukas Ewecker , Ebubekir Asan , Stefan Roos , Simon Isele , Jakob Ketterer , Leopold Müller , Sascha Saralajew

Location-based vehicular traffic management faces significant challenges in protecting sensitive geographical data while maintaining utility for traffic management and fairness across regions. Existing state-of-the-art solutions often fail…

Cryptography and Security · Computer Science 2025-07-15 Poushali Sengupta , Sabita Maharjan , frank Eliassen , Yan Zhang

Road unevenness significantly impacts the safety and comfort of traffic participants, especially vulnerable groups such as cyclists and wheelchair users. To train models for comprehensive road surface assessments, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Alexandra Kapp , Edith Hoffmann , Esther Weigmann , Helena Mihaljević

Tracking in gigapixel scenarios holds numerous potential applications in video surveillance and pedestrian analysis. Existing algorithms attempt to perform tracking in crowded scenes by utilizing multiple cameras or group relationships.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Yunqi Zhao , Yuchen Guo , Zheng Cao , Kai Ni , Ruqi Huang , Lu Fang

As a major type of transportation equipments, bicycles, including electrical bicycles, are distributed almost everywhere in China. The accidents caused by bicycles have become a serious threat to the public safety. So bicycle detection is…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Yicheng Zhang , Qiang Ling

Parking guidance systems have recently become a popular trend as a part of the smart cities' paradigm of development. The crucial part of such systems is the algorithm allowing drivers to search for available parking lots across regions of…

In this paper, we discuss a class of distributed detection algorithms which can be viewed as implementations of Bayes' law in distributed settings. Some of the algorithms are proposed in the literature most recently, and others are first…

Methodology · Statistics 2015-11-10 Qipeng Liu , Jiuhua Zhao , Xiaofan Wang

In this work, we investigate whether state-of-the-art object detection systems have equitable predictive performance on pedestrians with different skin tones. This work is motivated by many recent examples of ML and vision systems…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Benjamin Wilson , Judy Hoffman , Jamie Morgenstern

While outdoor advertisements are common features within towns and cities, they may reinforce social inequalities in health. Vulnerable populations in deprived areas may have greater exposure to fast food, gambling and alcohol advertisements…

Computers and Society · Computer Science 2021-02-09 Gregory Palmer , Mark Green , Emma Boyland , Yales Stefano Rios Vasconcelos , Rahul Savani , Alex Singleton

Socioeconomic segregation is considered one of the main factors behind the emergence of large-scale inequalities in urban areas, and its characterisation is an active area of research in urban studies. There are currently many available…

Physics and Society · Physics 2020-10-21 Sandro Sousa , Vincenzo Nicosia