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Inferring the location of a mobile device in an indoor setting is an open problem of utmost significance. A leading approach that does not require the deployment of expensive infrastructure is fingerprinting, where a classifier is trained…

Signal Processing · Electrical Eng. & Systems 2022-02-08 Erez Peterfreund , Ioannis G. Kevrekidis , Ariel Jaffe

We present a hardware-integrated security framework for LiFi networks through device fingerprint extraction within the IEEE 802.15.7 protocol. Our Optic Fingerprint (OFP) model utilizes inherent LED nonlinearities to generate…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Ziqi Liu , Xuanbang Chen , Xun Zhang

There are few industries which use manually controlled robots for carrying material and this cannot be used all the time in all the places. So, it is very tranquil to have robots which can follow a specific human by following the unique…

Robotics · Computer Science 2021-09-08 Sai Nikhil Gona , Prithvi Raj Bandhakavi

We introduce a lightweight and accurate localization method that only utilizes the geometry of 2D-3D lines. Given a pre-captured 3D map, our approach localizes a panorama image, taking advantage of the holistic 360 view. The system…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Junho Kim , Jiwon Jeong , Young Min Kim

Angle-of-Arrival estimation technology, with its potential advantages, emerges as an intriguing choice for indoor localization. Notably, it holds the promise of reducing installation costs. In contrast to ToF/TDoA based systems, AoA-based…

A new 3D localization and mapping techinque with terrain inclination assistance is proposed in this paper to allow a robot to identify its location and build a global map in an outdoor environment. The Iterative Closest Points (ICP)…

Robotics · Computer Science 2019-05-09 Xiaorui Zhu , Chunxin Qiu , Mark A. Minor

Indoor position technology has become one of the research highlights in the Internet of Things (IoT), but there is still a lack of universal, low-cost, and high-precision solutions. This paper conducts research on indoor position technology…

Networking and Internet Architecture · Computer Science 2026-02-03 Chunyi Zhang , Zongwei Li , Xiaoqi Li

To enhance localization accuracy in urban environments, an innovative LiDAR-Visual-Inertial odometry, named HDA-LVIO, is proposed by employing hybrid data association. The proposed HDA_LVIO system can be divided into two subsystems: the…

Robotics · Computer Science 2024-03-12 Jian Shi , Wei Wang , Mingyang Qi , Xin Li , Ye Yan

Indoor localization based on Visible Light Communication (VLC) has been in favor with both the academia and industry for years. In this paper, we present a prototyping photodiode-based VLC system towards large-scale localization. Specially,…

Networking and Internet Architecture · Computer Science 2017-09-21 Qing Liang , Ming Liu

This paper present our color constancy investigation in the hybridization of Wireless LAN and Camera positioning in the mobile phone. Five typical color constancy schemes are analyzed in different location environment. The results can be…

Computer Vision and Pattern Recognition · Computer Science 2012-06-29 Wan Mohd Yaakob Wan Bejuri , Mohd Murtadha Mohamad , Maimunah Sapri , Mohd Adly Rosly

This paper proposes a novel method for geo-tracking, i.e. continuous metric self-localization in outdoor environments by registering a vehicle's sensor information with aerial imagery of an unseen target region. Geo-tracking methods offer…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Florian Fervers , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

Location modeling, or determining where non-existing objects could feasibly appear in a scene, has the potential to benefit numerous computer vision tasks, from automatic object insertion to scene creation in virtual reality. Yet, this…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Jooyeol Yun , Davide Abati , Mohamed Omran , Jaegul Choo , Amirhossein Habibian , Auke Wiggers

Large indoor spaces have complex layouts making them difficult to navigate. Indoor spaces in hospitals, universities, shopping complexes, etc., carry multi-modal information in the form of text and symbols. Hence, it is difficult for Blind…

Robotics · Computer Science 2024-10-17 Dharmateja Adapa , Virendra Singh Shekhawat , Avinash Gautam , Sudeept Mohan

Accurate metrical localization is one of the central challenges in mobile robotics. Many existing methods aim at localizing after building a map with the robot. In this paper, we present a novel approach that instead uses geotagged…

Robotics · Computer Science 2015-04-17 Pratik Agarwal , Wolfram Burgard , Luciano Spinello

In this paper, we consider a light fidelity (LiFi)-enabled bidirectional Internet of Things (IoT) communication system, where visible light and infrared light are used in the downlink and uplink, respectively. In order to improve the energy…

Signal Processing · Electrical Eng. & Systems 2021-12-02 Chen Chen , Shu Fu , Xin Jian , Min Liu , Xiong Deng , Zhiguo Ding

This paper presents GoPose, a 3D skeleton-based human pose estimation system that uses WiFi devices at home. Our system leverages the WiFi signals reflected off the human body for 3D pose estimation. In contrast to prior systems that need…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yili Ren , Jie Yang

It is very important to detect traffic signs efficiently and accurately in autonomous driving systems. However, the farther the distance, the smaller the traffic signs. Existing object detection algorithms can hardly detect these small…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Jingyu Zhang , Wenqing Zhang , Chaoyi Tan , Xiangtian Li , Qianyi Sun

In this paper, we present a novel tightly-coupled probabilistic monocular visual-odometric Simultaneous Localization and Mapping algorithm using wheels and a MEMS gyroscope, which can provide accurate, robust and long-term localization for…

Robotics · Computer Science 2021-02-24 Meixiang Quan , Songhao Piao , Minglang Tan , Shi-Sheng Huang

This paper proposes a novel power-efficient light-emitting diode (LED) placement algorithm for indoor visible light communication (VLC). In the considered model, the LEDs can be designedly placed for high power efficiency while satisfying…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Yang Yang , Zhiyu Zhu , Caili Guo , Chunyan Feng

Visual Inertial Odometry (VIO) is an essential component of modern Augmented Reality (AR) applications. However, VIO only tracks the relative pose of the device, leading to drift over time. Absolute pose estimation methods infer the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Changkun Liu , Yukun Zhao , Tristan Braud
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