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Related papers: Multipath Reflections Analysis on Indoor Visible L…

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The integration of fine-scale multispectral imagery with deep learning models has revolutionized land use and land cover (LULC) classification. However, the atmospheric effects present in Top-of-Atmosphere sensor measured Digital Number…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Soham Mukherjee , Yash Dixit , Naman Srivastava , Joel D Joy , Rohan Olikara , Koesha Sinha , Swarup E , Rakshit Ramesh

Large Vision-Language Models (LVLMs) are vulnerable to a growing array of multimodal jailbreak attacks, necessitating defenses that are both generalizable to novel threats and efficient for practical deployment. Many current strategies fall…

Cryptography and Security · Computer Science 2026-04-21 Peichun Hua , Hao Li , Shanghao Shi , Zhiyuan Yu , Ning Zhang

In a visible light positioning (VLP) system, a receiver can estimate its location based on signals transmitted by light emitting diodes (LEDs). In this manuscript, we investigate a quasi-synchronous VLP system, in which the LED transmitters…

Information Theory · Computer Science 2018-12-17 Ertan Kazikli , Sinan Gezici

Visible light communication (VLC) is an emerging technology and considered as an alternative to overcome some of the disadvantages of radio frequency communication technology in an indoor environment. However, the line of sight nature of…

Systems and Control · Electrical Eng. & Systems 2023-06-27 M. A. N. Perera , N. G. K. R. Wijewardhana , A. A. D. T Nissanka , S. A. H. A. Suraweera , G. M. R. I. Godaliyadda

This work presents an investigation on the scalability of a deep leaning (DL)-based blind transmitter positioning system for addressing the multi transmitter localization (MLT) problem. The proposed approach is able to estimate relative…

Signal Processing · Electrical Eng. & Systems 2023-06-07 Ivo Bizon , Ahmad Nimr , Philipp Schulz , Marwa Chafii , Gerhard P. Fettweis

Constrained environments, such as indoor and urban settings, present a significant challenge for accurate moving object positioning due to the diminished line-of-sight (LoS)communication with the wireless anchor used for positioning. The…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Qamar Bader , Sharief Saleh , Mohamed Elhabiby , Aboelmagd Noureldin

Multipath effects significantly influence the quality of microwave imaging in highly reflective environments, while the physical measurement aperture size constrains resolution. It is shown that by exploiting multipath reflections, improved…

Image and Video Processing · Electrical Eng. & Systems 2026-05-06 Quanfeng Wang , Mei Song Tong , Thomas F. Eibert

This paper centers around a multiple-input-multiple-output (MIMO) visible light communication (VLC) system, where an unmanned aerial vehicle (UAV) benefits from a light emitting diode (LED) array to serve photo-diode (PD)-equipped users for…

Reflections of active markers in the environment are a common source of ambiguity in onboard visual relative localization. This work presents a novel approach that exploits these typically unwanted reflections for onboard relative…

Robotics · Computer Science 2026-05-20 Tim Lakemann , Daniel Bonilla Licea , Viktor Walter , Martin Saska

Photovoltaic (PV) modules have been employed in visible light communication (VLC) for simultaneous energy harvesting and data reception. A PV-based receiver features easy optical alignment and self-powered operation. It is commonly assumed…

Signal Processing · Electrical Eng. & Systems 2021-11-22 Shuyan Chen , Liqiong Liu , Lian-Kuan Chen

Robust localization in a given map is a crucial component of most autonomous robots. In this paper, we address the problem of localizing in an indoor environment that changes and where prominent structures have no correspondence in the map…

This manuscript investigates the integration of positional encoding -- a technique widely used in computer graphics -- into the input vector of a binary classification model for self-collision detection. The results demonstrate the benefits…

Robotics · Computer Science 2026-04-21 Bartłomiej Kulecki , Dominik Belter

Optical communication using modulated LEDs (e.g., visible light communication) is an emerging application for event cameras, thanks to their high spatio-temporal resolutions. Event cameras can be used simply to decode the LED signals and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Shintaro Shiba , Quan Kong , Norimasa Kobori

Challenging indoor and urban environments with severe multipath propagation and obstructed LoS (OLoS) degrade classical radio frequency (RF) positioning. Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising remedy,…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Benjamin J. B. Deutschmann , Klaus Witrisal , Erik Leitinger

In this paper, we investigate the design and implementation of machine learning (ML) based demodulation methods in the physical layer of visible light communication (VLC) systems. We build a flexible hardware prototype of an end-to-end VLC…

Signal Processing · Electrical Eng. & Systems 2019-03-28 Shuai Ma , Jiahui Dai , Songtao Lu , Hang Li , Han Zhang , Chun Du , Shiyin Li

Reconfigurable Intelligent Surfaces (RISs) are announced as a truly transformative technology, capable of smartly shaping wireless environments to optimize next-generation communication networks. Among their numerous foreseen applications,…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Moustafa Rahal , Benoit Denis , Taghrid Mazloum , Frederic Munoz , Raffaele D Errico

Demands for broadband wireless access services is expected to outstrip the spectrum capacity in the near-term - "spectrum crunch". Deploying additional femotocells to address this challenge is cost-inefficient, due to the backhaul challenge…

Networking and Internet Architecture · Computer Science 2015-10-02 Sihua Shao , Abdallah Khreishah , Issa Khalil

Motivated by classical communications engineering, early works in molecular communication (MC) largely adopted established modeling and signal processing concepts from wireless electromagnetic communication systems. In the context of the…

Information Theory · Computer Science 2026-04-03 Timo Jakumeit , Lukas Brand , Josep M. Jornet , Robert Schober , Maximilian Schäfer , Sebastian Lotter

Integrated Sensing and Communication (ISAC), as a fundamental technology of 6G, empowers Vehicle-to-Everything (V2X) systems with enhanced sensing capabilities. One of its promising applications is the reliance on constructed maps for…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Hanyuan Jiang , Yuxiang Zhang , Yameng Liu , Jianhua Zhang , Lei Tian , Tao Jiang

In daily life, mobile and wearable devices with high computing power, together with anchors deployed in indoor environments, form a common solution for the increasing demands for indoor location-based services. Within the technologies and…

Signal Processing · Electrical Eng. & Systems 2022-11-29 Pavel Pascacio , Joaquín Torres-Sospedra , Sven Casteleyn , Elena Simona Lohan
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