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Visually impaired people face significant challenges in their day-to-day commutes in the urban cities of Bangladesh due to the vast number of obstructions on every path. With many injuries taking place through road accidents on a daily…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Jareen Anjom , Rashik Iram Chowdhury , Tarbia Hasan , Md. Ishan Arefin Hossain

This work presents novel distributed data collection systems and storage algorithms for collaborative learning wireless sensor networks (WSNs). In a large WSN, consider $n$ collaborative sensor devices distributed randomly to acquire…

Networking and Internet Architecture · Computer Science 2012-01-04 Salah A. Aly

Maritime accidents cause thousands of disappearances every year, with migrant crossings being particularly dangerous and under-reported. Current coastal and NGO search and rescue services are unable to provide a timely response, so new…

Systems and Control · Electrical Eng. & Systems 2023-06-07 Luís Marques , Jose Javier Escribano Macias , Panagiotis Angeloudis

Individual abnormal behaviors vary depending on crowd sizes, contexts, and scenes. Challenges such as partial occlusions, blurring, large-number abnormal behavior, and camera viewing occur in large-scale crowds when detecting, tracking, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Tarik Alafif , Anas Hadi , Manal Allahyani , Bander Alzahrani , Areej Alhothali , Reem Alotaibi , Ahmed Barnawi

Tourism in India plays a quintessential role in the country's economy with an estimated 9.2% GDP share for the year 2018. With a yearly growth rate of 6.2%, the industry holds a huge potential for being the primary driver of the economy as…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Aditya Jyoti Paul , Smaranjit Ghose , Kanishka Aggarwal , Niketha Nethaji , Shivam Pal , Arnab Dutta Purkayastha

Identifying current and future informal regions within cities remains a crucial issue for policymakers and governments in developing countries. The delineation process of identifying such regions in cities requires a lot of resources. While…

Computers and Society · Computer Science 2018-08-21 Mohamed R. Ibrahim , Helena Titheridge , Tao Cheng , James Haworth

The speed of response by search and rescue teams at sea is of vital importance, as survival may depend on it. Recent technological advancements have led to the development of more efficient systems for locating individuals involved in a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Juan P. Martinez-Esteso , Francisco J. Castellanos , Jorge Calvo-Zaragoza , Antonio Javier Gallego

Over 43 million people worldwide live with severe visual impairment, facing significant challenges in navigating unfamiliar environments. We present MR.NAVI, a mixed reality system that enhances spatial awareness for visually impaired users…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Nicolas Pfitzer , Yifan Zhou , Marco Poggensee , Defne Kurtulus , Bessie Dominguez-Dager , Mihai Dusmanu , Marc Pollefeys , Zuria Bauer

This work describes an integrated solution to face a civil security problem in the area of Search And Rescue (SAR) of missing people. This proposal is based on the use of emerging technologies such as Unmanned Aerial Vehicles (UAV), also…

Cryptography and Security · Computer Science 2022-08-17 Moisés Lodeiro-Santiago , Ivan Santos-Gonzalez , Pino Caballero-Gil , Candido Caballero-Gil

We consider the navigation of mobile robots in crowded environments, for which onboard sensing of the crowd is typically limited by occlusions. We address the problem of inferring the human occupancy in the space around the robot, in blind…

Robotics · Computer Science 2021-09-20 Javad Amirian , Jean-Bernard Hayet , Julien Pettre

There is still a long way to go before artificial mini robots are really used for search and rescue missions in disaster-hit areas due to hindrance in power consumption, computation load of the locomotion, and obstacle-avoidance system.…

Public transport has become an essential part of urban existence with increased population densities and environmental awareness. Large quantities of data are currently generated, allowing for more robust methods to understand travel…

Machine Learning · Computer Science 2021-09-10 Nadav Shalit , Michael Fire , Eran Ben-Elia

In this paper, we analyze some of our real-world deployment of face recognition (FR) systems for various applications and discuss the gaps between expectations of the user and what the system can deliver. We evaluate some of our proposed…

Computer Vision and Pattern Recognition · Computer Science 2016-02-10 Bappaditya Mandal

According to the United States High Commission for Refugees (UNHCr), there are 65.3 million forcibly displaced people in the world today, 21.5 million of them being refugees. This has led to an unprecedented refugee crisis which has led…

Computers and Society · Computer Science 2016-09-30 Unaiza Ahsan , Oleksandra Sopova , Wes Stayton , Bistra Dilkina

The rapid proliferation of tourism data across sectors, including accommodations, cultural sites, and events, has made it increasingly challenging for travelers to identify relevant and personalized recommendations. While traditional…

Information Retrieval · Computer Science 2025-04-15 Bryar A. Hassan , Alla A. Hassan , Joan Lu , Aram M. Ahmed , Tarik A. Rashid

We aim to study the temporal patterns of activity in points of interest of cities around the world. In order to do so, we use the data provided by the online location-based social network Foursquare, where users make check-ins that indicate…

Physics and Society · Physics 2023-03-29 Francisco Betancourt , Alejandro P. Riascos , José L. Mateos

Finding a date or a spouse online is usually considered an individualistic endeavor in Western cultures. This presents a challenge for collectivist non-Western cultures such as Saudi Arabia where choosing a spouse is viewed as a union of…

Computers and Society · Computer Science 2023-03-31 Adel Al-Dawood , Serene Alhajhussein , Svetlana Yarosh

Although significant progress has been made in pedestrian detection recently, pedestrian detection in crowded scenes is still challenging. The heavy occlusion between pedestrians imposes great challenges to the standard Non-Maximum…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Xin Huang , Zheng Ge , Zequn Jie , Osamu Yoshie

Armed conflict has led to an unprecedented number of internally displaced persons (IDPs) - individuals who are forced out of their homes but remain within their country. IDPs often urgently require shelter, food, and healthcare, yet…

Applications · Statistics 2023-07-27 Benjamin Q. Huynh , Sanjay Basu

In recent years, a rising numbers of people arrived in the European Union, traveling across the Mediterranean Sea or overland through Southeast Europe in what has been later named as the European migrant crisis. In the last 5 years, more…

Computers and Society · Computer Science 2018-11-14 Vincenzo Lomonaco , Angelo Trotta , Marta Ziosi , Juan de Dios Yáñez Ávila , Natalia Díaz-Rodríguez