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相关论文: CarFi: Rider Localization Using Wi-Fi CSI

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Conventional approaches for addressing road safety rely on manual interventions or immobile CCTV infrastructure. Such methods are expensive in enforcing compliance to traffic rules and do not scale to large road networks. This paper…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Harish Rithish , Raghava Modhugu , Ranjith Reddy , Rohit Saluja , C. V. Jawahar

This paper demonstrates a system comprised of infrared beacons and a camera equipped with an optical band-pass filter. Our system can reliably detect and identify individual beacons at 100m distance regardless of lighting conditions. We…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Alexandru Kampmann , Michael Lamberti , Nikola Petrovic , Stefan Kowalewski , Bassam Alrifaee

The measurement and provision of precise and upto-date traffic-related key performance indicators is a key element and crucial factor for intelligent traffic controls systems in upcoming smart cities. The street network is considered as a…

网络与互联网体系结构 · 计算机科学 2018-06-13 Benjamin Sliwa , Marcus Haferkamp , Manar Al-Askary , Dennis Dorn , Christian Wietfeld

Reconfigurable Intelligent Surfaces (RISs) are envisioned to be employed in next generation wireless networks to enhance the communication and radio localization services. In this paper, we propose novel localization and tracking algorithms…

Bicycle-sharing systems, which can provide shared bike usage services for the public, have been launched in many big cities. In bicycle-sharing systems, people can borrow and return bikes at any stations in the service region very…

计算机与社会 · 计算机科学 2016-04-05 Jiawei Zhang , Xiao Pan , Moyin Li , Philip S. Yu

Cities worldwide are trying to increase the modal share of bicycle traffic to address traffic and carbon emission problems. Aside from safety, a key factor for this is the cycling comfort, including the surface quality of cycle paths. In…

分布式、并行与集群计算 · 计算机科学 2023-08-03 Ahmet-Serdar Karakaya , Leonard Thomas , Denis Koljada , David Bermbach

Wireless Fidelity or Wi-Fi, has completely transfigured wireless networking by offering a smooth connection to the internet and networks, particularly when dealing with enclosed environments. As with the majority of wireless technology, it…

新兴技术 · 计算机科学 2025-02-12 Aditya Mitra , Anisha Ghosh , Sibi Chakkaravarthy S , Devi Priya VS

Poor road conditions are a public nuisance, causing passenger discomfort, damage to vehicles, and accidents. In the U.S., road-related conditions are a factor in 22,000 of the 42,000 traffic fatalities each year. Although we often complain…

计算机与社会 · 计算机科学 2017-10-11 Umang Bhatt , Shouvik Mani , Edgar Xi , J. Zico Kolter

We study six months of human mobility data, including WiFi and GPS traces recorded with high temporal resolution, and find that time series of WiFi scans contain a strong latent location signal. In fact, due to inherent stability and low…

计算机与社会 · 计算机科学 2015-08-24 Piotr Sapiezynski , Arkadiusz Stopczynski , Radu Gatej , Sune Lehmann

Integrating driver, in-cabin, and outside environment's contextual cues into the vehicle's decision making is the centerpiece of semi-automated vehicle safety. Multiple systems have been developed for providing context to the vehicle, which…

人机交互 · 计算机科学 2021-04-29 Arash Tavakoli , Shashwat Kumar , Mehdi Boukhechba , Arsalan Heydarian

Today's societies are enveloped in an ever-growing telecommunication infrastructure. This infrastructure offers important opportunities for sensing and recording a multitude of human behaviors. Human mobility patterns are a prominent…

计算机与社会 · 计算机科学 2016-10-18 Piotr Sapiezynski , Arkadiusz Stopczynski , David Kofoed Wind , Jure Leskovec , Sune Lehmann

Street view imagery (SVI), largely captured via outfitted fleets or mounted dashcams in consumer vehicles is a rapidly growing source of geospatial data used in urban sensing and development. These datasets are often collected…

人机交互 · 计算机科学 2024-04-02 Tahiya Chowdhury , Ilan Mandel , Jorge Ortiz , Wendy Ju

Autonomous vehicles require accurate and robust localization and mapping algorithms to navigate safely and reliably in urban environments. We present a novel sensor fusion-based pipeline for offline mapping and online localization based on…

Advancements in LiDAR technology have led to more cost-effective production while simultaneously improving precision and resolution. As a result, LiDAR has become integral to vehicle localization, achieving centimeter-level accuracy through…

机器人学 · 计算机科学 2024-07-12 Yuze Jiang , Ehsan Javanmardi , Jin Nakazato , Manabu Tsukada , Hiroshi Esaki

Multiple-input multiple-output (MIMO) is a key for the fifth generation (5G) and beyond wireless communication systems owing to higher spectrum efficiency, spatial gains, and energy efficiency. Reaping the benefits of MIMO transmission can…

网络与互联网体系结构 · 计算机科学 2020-03-13 Hamza Khan , M. Majid Butt , Sumudu Samarakoon , Philippe Sehier , Mehdi Bennis

Recent research has shown that human motions and positions can be recognized through WiFi signals. The key intuition is that different motions and positions introduce different multi-path distortions in WiFi signals and generate different…

信号处理 · 电气工程与系统科学 2018-10-30 Heju Li , Xukai Chen , Haohua Du , Xin He , Jianwei Qian , Peng-Jun Wan , Panlong Yang

Wi-Fi channel state information (CSI), which is originally acquired for communication purposes, has recently been reused for sensing and radar-like functionalities. However, in practical Wi-Fi systems with independent clocks at the…

网络与互联网体系结构 · 计算机科学 2026-03-20 Koji Yamamoto

Autonomous driving is becoming one of the leading industrial research areas. Therefore many automobile companies are coming up with semi to fully autonomous driving solutions. Among these solutions, lane detection is one of the vital…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Donghoon Chang , Vinjohn Chirakkal , Shubham Goswami , Munawar Hasan , Taekwon Jung , Jinkeon Kang , Seok-Cheol Kee , Dongkyu Lee , Ajit Pratap Singh

Accurate localization is a foundational capacity, required for autonomous vehicles to accomplish other tasks such as navigation or path planning. It is a common practice for vehicles to use GPS to acquire location information. However, the…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Dongfang Liu , Yiming Cui , Xiaolei Guo , Wei Ding , Baijian Yang , Yingjie Chen

Upcoming WiFi-based localization systems for indoor environments face a conflict of privacy interests: Server-side localization violates location privacy of the users, while localization on the user's device forces the localization provider…

密码学与安全 · 计算机科学 2014-10-14 Jan Henrik Ziegeldorf , Nicolai Viol , Martin Henze , Klaus Wehrle