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One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

Distributed Denial of Service (DDoS) attacks remain a persistent threat to the availability of Internet services, edge networks, and cyber-physical infrastructure. Although recent AI-security work has increasingly focused on foundation…

Cryptography and Security · Computer Science 2026-05-19 Vedanth Ramanathan , Krish Mahadevan , Sejal Dua

Recently, Convolutional Neural Networks (CNNs) have been widely used to solve the illuminant estimation problem and have often led to state-of-the-art results. Standard approaches operate directly on the input image. In this paper, we argue…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Firas Laakom , Jenni Raitoharju , Jarno Nikkanen , Alexandros Iosifidis , Moncef Gabbouj

Risk stratification of lung nodules is a task of primary importance in lung cancer diagnosis. Any improvement in robust and accurate nodule characterization can assist in identifying cancer stage, prognosis, and improving treatment…

Computer Vision and Pattern Recognition · Computer Science 2017-10-27 Sarfaraz Hussein , Kunlin Cao , Qi Song , Ulas Bagci

Global navigation satellite systems (GNSS) face significant challenges in urban and sub-urban areas due to non-line-of-sight (NLOS) propagation, multipath effects, and low received power levels, resulting in highly non-linear and…

Machine Learning · Computer Science 2025-04-22 M. Humayun Kabir , Md. Ali Hasan , Md. Shafiqul Islam , Kyeongjun Ko , Wonjae Shin

Parts of the brain that carry sensory tasks are organized topographically: nearby neurons are responsive to the same properties of input signals. Thus, in this work, inspired by the neuroscience literature, we proposed a new topographic…

Neural and Evolutionary Computing · Computer Science 2022-11-24 Maxime Poli , Emmanuel Dupoux , Rachid Riad

Classifying and counting vehicles in road traffic has numerous applications in the transportation engineering domain. However, the wide variety of vehicles (two-wheelers, three-wheelers, cars, buses, trucks etc.) plying on roads of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Mayank Singh Chauhan , Arshdeep Singh , Mansi Khemka , Arneish Prateek , Rijurekha Sen

Climate models are an important tool for the assessment of prospective climate change effects but they suffer from systematic and representation errors, especially for precipitation. Model output statistics (MOS) reduce these errors by…

Atmospheric and Oceanic Physics · Physics 2020-12-21 Michael Steininger , Daniel Abel , Katrin Ziegler , Anna Krause , Heiko Paeth , Andreas Hotho

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Indoor localization faces persistent challenges in achieving high accuracy, particularly in GPS-deprived environments. This study unveils a cutting-edge handheld indoor localization system that integrates 2D LiDAR and IMU sensors,…

Robotics · Computer Science 2025-05-14 Saqi Hussain Kalan , Boon Giin Lee , Wan-Young Chung

Ultrawideband (UWB) technology has attracted a lot of attention for indoor and outdoor positioning systems due to its high accuracy and robustness in non-line-of-sight (NLOS) environments. However, UWB signals are affected by multipath…

Signal Processing · Electrical Eng. & Systems 2023-08-16 Mohammed Dahiru Buhari , Tri Bagus Susilo , Irfan Khan , Bashir Olaniyi Sadiq

Timing synchronization (TS) is one of the key tasks in orthogonal frequency division multiplexing (OFDM) systems. However, multi-path uncertainty corrupts the TS correctness, making OFDM systems suffer from a severe…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Chaojin Qing , Na Yang , Shuhai Tang , Chuangui Rao , Jiafan Wang , Hui Lin

Multiple sclerosis is an inflammatory autoimmune demyelinating disease that is characterized by lesions in the central nervous system. Typically, magnetic resonance imaging (MRI) is used for tracking disease progression. Automatic image…

Image and Video Processing · Electrical Eng. & Systems 2020-08-06 Nils Gessert , Julia Krüger , Roland Opfer , Ann-Christin Ostwaldt , Praveena Manogaran , Hagen H. Kitzler , Sven Schippling , Alexander Schlaefer

In this paper we propose a new approach for learning local descriptors for matching image patches. It has recently been demonstrated that descriptors based on convolutional neural networks (CNN) can significantly improve the matching…

Computer Vision and Pattern Recognition · Computer Science 2016-01-20 Vassileios Balntas , Edward Johns , Lilian Tang , Krystian Mikolajczyk

Direction of arrival (DoA) estimation of targets improves with the number of elements employed by a phased array radar antenna. Since larger arrays have high associated cost, area and computational load, there is recent interest in thinning…

Signal Processing · Electrical Eng. & Systems 2019-02-05 Ahmet M. Elbir , Kumar Vijay Mishra , Yonina C. Eldar

Neural Networks are currently one of the most widely deployed machine learning algorithms. In particular, Convolutional Neural Networks (CNNs), are gaining popularity and are evaluated for deployment in safety critical applications such as…

Signal Processing · Electrical Eng. & Systems 2019-12-17 Giulio Gambardella , Johannes Kappauf , Michaela Blott , Christoph Doehring , Martin Kumm , Peter Zipf , Kees Vissers

Lacunes of presumed vascular origin (lacunes) are associated with an increased risk of stroke, gait impairment, and dementia and are a primary imaging feature of the small vessel disease. Quantification of lacunes may be of great importance…

High-precision wireless localization in urban canyons is challenged by noisy measurements and severe non-line-of-sight (NLOS) propagation. This paper proposes a robust three-stage algorithm synergizing a digital twin (DT) model with the…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Ziqin Zhou , Hui Chen , Gerhard Steinböck , Henk Wymeersch

Accurate pedestrian detection has a primary role in automotive safety: for example, by issuing warnings to the driver or acting actively on car's brakes, it helps decreasing the probability of injuries and human fatalities. In order to…

Computer Vision and Pattern Recognition · Computer Science 2018-08-09 Denis Tome' , Luca Bondi , Emanuele Plebani , Luca Baroffio , Danilo Pau , Stefano Tubaro

Many systems for autonomous vehicles' navigation rely on lane detection. Traditional algorithms usually estimate only the position of the lanes on the road, but an autonomous control system may also need to know if a lane marking can be…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Fabio Pizzati , Fernando García