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Related papers: Localizacao 3D em sistemas RFID com leitor movel

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Due to their ubiquity and long-term stability, pole-like objects are well suited to serve as landmarks for vehicle localization in urban environments. In this work, we present a complete mapping and long-term localization system based on…

Robotics · Computer Science 2019-10-24 Alexander Schaefer , Daniel Büscher , Johan Vertens , Lukas Luft , Wolfram Burgard

This paper presents a self-supervised framework for learning to detect robust keypoints for odometry estimation and metric localisation in radar. By embedding a differentiable point-based motion estimator inside our architecture, we learn…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Dan Barnes , Ingmar Posner

Autonomous driving systems often require reliable loop closure detection to guarantee reduced localization drift. Recently, 3D LiDAR-based localization methods have used retrieval-based place recognition to find revisited places…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Tiago Barros , Luís Garrote , Martin Aleksandrov , Cristiano Premebida , Urbano J. Nunes

Location knowledge in indoor environment using Indoor Positioning Systems (IPS) has become very useful and popular in recent years. Indoor wireless localization suffers from severe multi-path fading and non-line-of-sight conditions. This…

Systems and Control · Electrical Eng. & Systems 2023-09-26 Gang Wang , Zuxuan Zhang

Although people spend most of their time indoors, outdoor tracking systems, such as the Global Positioning System (GPS), are predominantly used for location-based services. These systems are accurate outdoors, easy to use, and operate…

Emerging Technologies · Computer Science 2024-10-04 Alpha Diallo , Benoit Garbinato

For Cyper-Physical Production Systems (CPPS), localization is becoming increasingly important as wireless and mobile devices are considered an integral part. While localizing targets in a wireless communication system based on the Received…

Information Theory · Computer Science 2021-05-03 Thomas Blazek , Julian Karoliny , Fjolla Ademaj , Hans-Peter Bernhard

Simultaneous Localization and Mapping (SLAM) plays an important role in outdoor and indoor applications ranging from autonomous driving to indoor robotics. Outdoor SLAM has been widely used with the assistance of LiDAR or GPS. For indoor…

Robotics · Computer Science 2023-02-15 Yang Zhao , Kai Zhang , Haotian Yu , Yi Zhang , Dongliang Zheng , Jing Han

Radio tomographic imaging (RTI) has recently been proposed for tracking object location via radio waves without requiring the objects to transmit or receive radio signals. The position is extracted by inferring which voxels are obstructing…

Networking and Internet Architecture · Computer Science 2017-01-04 Christopher R. Anderson , Richard K. Martin , T. Owens Walker , Ryan W. Thomas

2D LiDAR SLAM (Simultaneous Localization and Mapping) is widely used in indoor environments due to its stability and flexibility. However, its mapping procedure is usually operated by a joystick in static environments, while indoor…

Robotics · Computer Science 2022-04-19 Hanjing Ye , Guangcheng Chen , Weinan Chen , Li He , Yisheng Guan , Hong Zhang

Visible light positioning(VLP) has gained prominence as a highly accurate indoor positioning technique. Few techniques consider the practical limitations of implementing VLP systems for indoor positioning. These limitations range from…

Signal Processing · Electrical Eng. & Systems 2023-12-01 Srivathsan Chakaravarthi Narasimman , Arokiaswami Alphones

An indoor, real-time location system (RTLS) can benefit both hospitals and patients by improving clinical efficiency through data-driven optimization of procedures. Bluetooth-based RTLS systems are cost-effective but lack accuracy and…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Guanglin Tang , Yulong Yan , Chenyang Shen , Xun Jia , Meyer Zinn , Zipalkumar Trivedi , Alicia Yingling , Kenneth Westover , Steve Jiang

Fast and efficient identify a large number of RFID tags in the region of interest is a critical issue in various RFID applications. In this paper, a novel sub-frame-based algorithm with a time-efficient frame size adjustment strategy to…

Networking and Internet Architecture · Computer Science 2018-05-10 Jian Su , Kexiong Liu , Haipeng Chen , Yu Han

With the growing integration of location based services (LBS) such as GPS in mobile devices, indoor position systems (IPS) have become an important role for research. There are several IPS methods such as AOA, TOA, TDOA, which use…

Networking and Internet Architecture · Computer Science 2019-07-02 Erick Schmidt , David Akopian

Localization is an essential component for autonomous robots. A well-established localization approach combines ray casting with a particle filter, leading to a computationally expensive algorithm that is difficult to run on…

Data Structures and Algorithms · Computer Science 2018-03-09 Corey Walsh , Sertac Karaman

Visible light communication (VLC) based localization is a potential candidate for wide range indoor localization applications. In this paper, we propose a VLC architecture based on orthogonal frequency division multiplexing (OFDM) with…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Luis C. Mathias , Leonimer F. de Melo , Taufik Abrao

2D object proposals, quickly detected regions in an image that likely contain an object of interest, are an effective approach for improving the computational efficiency and accuracy of object detection in color images. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Ramanpreet Singh Pahwa , Jiangbo Lu , Nianjuan Jiang , Tian Tsong Ng , Minh N. Do

This work describes the implementation of a simple and computationally efficient Intelligent Navigation System (INS) for autonomous systems used in areas where human access is impossible. The system uses Laser Range Finder (LRF) readings as…

In this communication revolution era, visible light communication (VLC) is the optimum efficacious answer to the increased request for high-speed data transmission with reduced cost, besides the illumination. This technology is considered…

Signal Processing · Electrical Eng. & Systems 2022-09-16 Vailet Hikmat Faraj Al Khattat , Siti Barirah Ahmad Anas , Abdu Saif

Tracking object poses in 3D is a crucial building block for Augmented Reality applications. We propose an instant motion tracking system that tracks an object's pose in space (represented by its 3D bounding box) in real-time on mobile…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Adel Ahmadyan , Tingbo Hou , Jianing Wei , Liangkai Zhang , Artsiom Ablavatski , Matthias Grundmann

Using WiFi signals for indoor localization is the main localization modality of the existing personal indoor localization systems operating on mobile devices. WiFi fingerprinting is also used for mobile robots, as WiFi signals are usually…

Robotics · Computer Science 2017-05-01 Michał Nowicki , Jan Wietrzykowski