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The quasi-optical propagation of millimeter-wave signals enables high-accuracy localization algorithms that employ geometric approaches or machine learning models. However, most algorithms require information on the indoor environment, may…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Anish Shastri , Steve Blandino , Camillo Gentile , Chiehping Lai , Paolo Casari

Localization is one of the most important factor in wireless sensor networks as many applications demand position information of sensors. Recently there is an increasing interest on the use of mobile anchors for localizing sensors. Most of…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-09-02 Kaushik Mondal , Arindam Karmakar , Partha Sarathi Mandal

Sound event detection and sound event localization requires different features from audio input signals. While sound event detection mainly relies on time-frequency patterns to distinguish different event classes, sound event localization…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-27 T. N. T. Nguyen , D. L. Jones , R. Ranjan , S. Jayabalan , W. S. Gan

We present Anadroid, a static malware analysis framework for Android apps. Anadroid exploits two techniques to soundly raise precision: (1) it uses a pushdown system to precisely model dynamically dispatched interprocedural and…

Programming Languages · Computer Science 2013-11-19 Shuying Liang , Andrew W. Keep , Matthew Might , Steven Lyde , Thomas Gilray , Petey Aldous , David Van Horn

The rise of the Internet of Things (IoT) and mobile internet applications has spurred interest in location-based services (LBS) for commercial, military, and social applications. While the global positioning system (GPS) dominates outdoor…

Machine Learning · Computer Science 2024-02-20 M. W. P. Maduranga

Recently, an end-to-end two-dimensional sound source localization algorithm with ad-hoc microphone arrays formulates the sound source localization problem as a classification problem. The algorithm divides the target indoor space into a set…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-18 Linfeng Feng , Yijun Gong , Xiao-Lei Zhang

In this paper, we introduce an uplink optical wireless positioning system for indoor applications. This technique uses fingerprints based on the indoor optical wireless channel impulse response for localization. Exploiting the line of sight…

Information Theory · Computer Science 2020-05-06 Hamid Hosseinianfar , Maite Brandt-Pearce

Mobile robots in real-life settings would benefit from being able to localize sound sources. Such a capability can nicely complement vision to help localize a person or an interesting event in the environment, and also to provide enhanced…

Robotics · Computer Science 2016-03-01 Jean-Marc Valin , François Michaud , Brahim Hadjou , Jean Rouat

We seek to predict the 6 degree-of-freedom (6DoF) pose of a query photograph with respect to a large indoor 3D map. The contributions of this work are three-fold. First, we develop a new large-scale visual localization method targeted for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Hajime Taira , Masatoshi Okutomi , Torsten Sattler , Mircea Cimpoi , Marc Pollefeys , Josef Sivic , Tomas Pajdla , Akihiko Torii

In this paper, a simultaneous localization and mapping (SLAM) algorithm for tracking the motion of a pedestrian with a foot-mounted inertial measurement unit (IMU) is proposed. The algorithm uses two maps, namely, a motion map and a…

Robotics · Computer Science 2022-03-31 Mostafa Osman , Frida Viset , Manon Kok

Both GPS and WiFi based localization have been exploited in recent years, yet most researches focus on localizing at home without environment context. Besides, the near home or workplace area is complex and has little attention in smart…

Networking and Internet Architecture · Computer Science 2017-02-16 Qichuan Yang , Zhiqiang He , Kai Zhao , Tian Gao

For safe and efficient operation, mobile robots need to perceive their environment, and in particular, perform tasks such as obstacle detection, localization, and mapping. Although robots are often equipped with microphones and speakers,…

Robotics · Computer Science 2023-01-23 Frederike Dümbgen , Adrien Hoffet , Mihailo Kolundžija , Adam Scholefield , Martin Vetterli

Mobile sensing applications usually require time-series inputs from sensors. Some applications, such as tracking, can use sensed acceleration and rate of rotation to calculate displacement based on physical system models. Other…

Machine Learning · Computer Science 2017-07-04 Shuochao Yao , Shaohan Hu , Yiran Zhao , Aston Zhang , Tarek Abdelzaher

Although indoor localization has been a wide researched topic, obtained results may not fit the requirements that some domains need. Most approaches are not able to precisely localize a fast moving object even with a complex installation,…

Robotics · Computer Science 2020-09-25 Victor J. Exposito Jimenez , Christian Schwarzl , Helmut Martin

Localizing a moving sound source in the real world involves determining its direction-of-arrival (DOA) and distance relative to a microphone. Advancements in DOA estimation have been facilitated by data-driven methods optimized with large…

Sound · Computer Science 2023-09-19 Saksham Singh Kushwaha , Iran R. Roman , Magdalena Fuentes , Juan Pablo Bello

This paper studies the indoor localisation of WiFi devices based on a commodity chipset and standard channel sounding. First, we present a novel shallow neural network (SNN) in which features are extracted from the channel state information…

Machine Learning · Computer Science 2020-10-20 Peizheng Li , Han Cui , Aftab Khan , Usman Raza , Robert Piechocki , Angela Doufexi , Tim Farnham

Accurate estimation of indoor space geometries is vital for constructing precise digital twins, whose broad industrial applications include navigation in unfamiliar environments and efficient evacuation planning, particularly in low-light…

Sound · Computer Science 2024-11-25 Inmo Yeon , Iljoo Jeong , Seungchul Lee , Jung-Woo Choi

Autonomous vehicles have created a sensation in both outdoor and indoor applications. The famous indoor use-case is process automation inside a warehouse using Autonomous Indoor Vehicles (AIV). These vehicles need to locate themselves not…

Robotics · Computer Science 2021-02-02 Vineet Gokhale , Gerardo Moyers Barrera , R. Venkatesha Prasad

In this paper, a new Smartphone sensor based algorithm is proposed to detect accurate distance estimation. The algorithm consists of two phases, the first phase is for detecting the peaks from the Smartphone accelerometer sensor. The other…

Other Computer Science · Computer Science 2018-01-09 Ahmad Abadleh , Eshraq Al-Hawari , Esra'a Alkafaween , Hamad Al-Sawalqah

In this paper, we propose rWiFiSLAM, an indoor localisation system based on WiFi ranging measurements. Indoor localisation techniques play an important role in mobile robots when they cannot access good quality GPS signals in indoor…

Networking and Internet Architecture · Computer Science 2022-12-19 Bo Wei , Mingcen Gao , Chengwen Luo , Sen Wang , Jin Zhang