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Transportation mode detection is an important topic within GeoAI and transportation research. In this study, we introduce SpeedTransformer, a novel Transformer-based model that relies solely on speed inputs to infer transportation modes…

Machine Learning · Computer Science 2026-03-19 Yuandong Zhang , Othmane Echchabi , Tianshu Feng , Wenyi Zhang , Hsuai-Kai Liao , Charles Chang

In urban areas, global navigation satellite system (GNSS) signals are often reflected or blocked by buildings, thus resulting in large positioning errors. In this study, we proposed a machine learning approach for global positioning system…

Networking and Internet Architecture · Computer Science 2022-08-10 Sanghyun Kim , Jungyun Byun , Kwansik Park

In order to fully utilize spatial information for segmentation and address the challenge of handling areas with significant grayscale variations in remote sensing segmentation, we propose the SFFNet (Spatial and Frequency Domain Fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yunsong Yang , Genji Yuan , Jinjiang Li

Low-latency and high-precision vehicle localization plays a significant role in enhancing traffic safety and improving traffic management for intelligent transportation. However, in complex road environments, the low latency and high…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Lele Cong , Kaitao Meng , Deshi Li , Hao Jiang , Liang Xu

Mobile device location data (MDLD) contains abundant travel behavior information to support travel demand analysis. Compared to traditional travel surveys, MDLD has larger spatiotemporal coverage of population and its mobility. However,…

Computers and Society · Computer Science 2021-08-31 Mofeng Yang , Yixuan Pan , Aref Darzi , Sepehr Ghader , Chenfeng Xiong , Lei Zhang

In 5G cellular networks, frequency range 2 (FR2) introduces higher frequencies that cause rapid signal degradation and challenge user mobility. In recent studies, a conditional handover procedure has been adopted as an enhancement to…

Networking and Internet Architecture · Computer Science 2023-09-20 Subhyal Bin Iqbal , Umur Karabulut , Ahmad Awada , Andre Noll Barreto , Philipp Schulz , Gerhard P. Fettweis

The deployment of machine listening algorithms in real-life applications is often impeded by a domain shift caused for instance by different microphone characteristics. In this paper, we propose a novel domain adaptation strategy based on…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-27 Jakob Abeßer , Meinard Müller

Sharing location traces with context-aware service providers has privacy implications. Location-privacy preserving mechanisms, such as obfuscation, anonymization and cryptographic primitives, have been shown to have impractical…

Cryptography and Security · Computer Science 2018-02-21 Vaibhav Kulkarni , Arielle Moro , Bertil Chapuis , Benoit Garbinato

High impedance fault (HIF) has been a challenging task to detect in distribution networks. On one hand, although several types of HIF models are available for HIF study, they are still not exhibiting satisfactory fault waveforms. On the…

Signal Processing · Electrical Eng. & Systems 2018-08-15 Qiushi Cui , Khalil El-Arroudi , Yang Weng

In [1], we proposed a two-tier model for creating and maintaining a distributed hash table (DHT) overlay of smartphones. The purpose was to reduce Internet usage and increase D2D content sharing over LTE-A/5G network. However, the real…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-11 Sumit Kumar Tetarave , Somanath Tripathy , R. K. Ghosh

Vehicle route prediction is one of the significant tasks in vehicles mobility. It is one of the means to reduce the accidents and increase comfort in human life. The task of route prediction becomes simpler with the development of certain…

Computers and Society · Computer Science 2021-04-13 Ali Nawaz , Attique Ur Rehman

Transport mode detection is a classification problem aiming to design an algorithm that can infer the transport mode of a user given multimodal signals (GPS and/or inertial sensors). It has many applications, such as carbon footprint…

Signal Processing · Electrical Eng. & Systems 2021-09-21 Hugues Moreau , Andréa Vassilev , Liming Chen

We report the application of machine learning to smartphone based colorimetric detection of pH values. The strip images were used as the training set for Least Squares-Support Vector Machine (LS-SVM) classifier algorithms that were able to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Ali Y. Mutlu , Volkan Kılıç , Gizem K. Özdemir , Abdullah Bayram , Nesrin Horzum , Mehmet E. Solmaz

Transformer based end-to-end modelling approaches with multiple stream inputs have been achieved great success in various automatic speech recognition (ASR) tasks. An important issue associated with such approaches is that the intermediate…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-11 Jin Li , Rongfeng Su , Xurong Xie , Nan Yan , Lan Wang

WiFi technology has been used pervasively in fine-grained indoor localization, gesture recognition, and adaptive communication. Achieving better performance in these tasks generally boils down to differentiating Line-Of-Sight (LOS) from…

Robotics · Computer Science 2020-02-06 Sahib Singh Dhanjal , Maani Ghaffari , Ryan M. Eustice

Recognizing the type of connected devices to a network helps to perform security policies. In smart grids, identifying massive number of grid metering terminals based on network traffic analysis is almost blank and existing research has not…

Networking and Internet Architecture · Computer Science 2022-04-19 Lingzi Kong , Daoqi Han , Junmei Ding , Mingrui Fan , Yueming Lu

Wi-Fi fingerprinting-based indoor localization faces significant challenges in real-world deployments due to domain shifts arising from device heterogeneity and temporal variations within indoor environments. Existing approaches often…

Machine Learning · Computer Science 2025-06-19 Akhil Singampalli , Danish Gufran , Sudeep Pasricha

Camouflaged object detection (COD) aims to accurately detect objects hidden in the surrounding environment. However, the existing COD methods mainly locate camouflaged objects in the RGB domain, their performance has not been fully…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Runmin Cong , Mengyao Sun , Sanyi Zhang , Xiaofei Zhou , Wei Zhang , Yao Zhao

WiFi fingerprinting is one of the mainstream technologies for indoor localization. However, it requires an initial calibration phase during which the fingerprint database is built manually. This process is labour intensive and needs to be…

Computers and Society · Computer Science 2021-06-28 Ahmed Shokry , Moustafa Elhamshary , Moustafa Youssef

Smartphones have become quite pervasive in various aspects of our daily lives. They have become important links to a host of important data and applications, which if compromised, can lead to disastrous results. Due to this, today's…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Thingom Bishal Singha , Rajsekhar Kumar Nath , A. V. Narsimhadhan