English
Related papers

Related papers: Localization using Optical Camera Communication an…

200 papers

In recent years, there has been an increasing number of information technologies utilized in buildings to advance the idea of "smart buildings". Among various potential techniques, the use of Wi-Fi based indoor positioning allows to locate…

Networking and Internet Architecture · Computer Science 2016-02-25 Qian Huang , Yuanzhi Zhang , Zhenhao Ge , Chao Lu

An increasingly important requirement for many novel applications is sensing the positions of people, equipment, etc. GPS technology has proven itself as a successfull technology for positioning in outdoor environments but indoor no…

Networking and Internet Architecture · Computer Science 2010-04-28 Mikkel Baun Kjærgaard

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent learning-based approaches encode scene structures into a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shitao Tang , Chengzhou Tang , Rui Huang , Siyu Zhu , Ping Tan

Weakly supervised localization aims at finding target object regions using only image-level supervision. However, localization maps extracted from classification networks are often not accurate due to the lack of fine pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Xiaolin Zhang , Yunchao Wei , Yi Yang

For autonomous navigation, accurate localization with respect to a map is needed. In urban environments, infrastructure such as buildings or bridges cause major difficulties to Global Navigation Satellite Systems (GNSS) and, despite…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Maxime Noizet , Philippe Xu , Philippe Bonnifait

The problem visual place recognition is commonly used strategy for localization. Most successful appearance based methods typically rely on a large database of views endowed with local or global image descriptors and strive to retrieve the…

Computer Vision and Pattern Recognition · Computer Science 2016-09-02 Arsalan Mousavian , Jana Kosecka

Vision-based localization in a prior map is of crucial importance for autonomous vehicles. Given a query image, the goal is to estimate the camera pose corresponding to the prior map, and the key is the registration problem of camera images…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Xingyu Chen , Jianru Xue , Shanmin Pang

Visual localization, i.e., camera pose estimation in a known scene, is a core component of technologies such as autonomous driving and augmented reality. State-of-the-art localization approaches often rely on image retrieval techniques for…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Martin Humenberger , Yohann Cabon , Noé Pion , Philippe Weinzaepfel , Donghwan Lee , Nicolas Guérin , Torsten Sattler , Gabriela Csurka

Localization, or position fixing, is an important problem in robotics research. In this paper, we propose a novel approach for long-term localization in a changing environment using 3D LiDAR. We first create the map of a real environment…

Robotics · Computer Science 2019-10-29 Yilong Zhu , Bohuan Xue , Linwei Zheng , Huaiyang Huang , Ming Liu , Rui Fan

Tracking 3D human motion from egocentric multi-camera headset is challenged by severe egomotion, partial visibility or occlusions and lack of training data. Existing methods designed for monocular video often require static or slowly-moving…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Nan Yang , Julian Straub , Fan Zhang , Richard Newcombe , Jakob Engel , Lingni Ma

Visual localization, i.e., camera pose estimation in a known scene, is a core component of technologies such as autonomous driving and augmented reality. State-of-the-art localization approaches often rely on image retrieval techniques for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Noé Pion , Martin Humenberger , Gabriela Csurka , Yohann Cabon , Torsten Sattler

Topological localization is a fundamental problem in mobile robotics, since robots must be able to determine their position in order to accomplish tasks. Visual localization and place recognition are challenging due to perceptual ambiguity,…

Robotics · Computer Science 2025-09-08 Emanuela Boros

Coverage problem in wireless sensor networks measures how well a region or parts of it is sensed by the deployed sensors. Definition of coverage metric depends on its applications for which sensors are deployed. In this paper, we introduce…

Computational Geometry · Computer Science 2020-01-16 Dinesh Dash

We introduce a novel technique and an associated high resolution dataset that aims to precisely evaluate wireless signal based indoor positioning algorithms. The technique implements an augmented reality (AR) based positioning system that…

Machine Learning · Computer Science 2022-09-09 F. Serhan Daniş , A. Teoman Naskali , A. Taylan Cemgil , Cem Ersoy

Visual localization algorithms, i.e., methods that estimate the camera pose of a query image in a known scene, are core components of many applications, including self-driving cars and augmented / mixed reality systems. State-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Vojtech Panek , Qunjie Zhou , Yaqing Ding , Sérgio Agostinho , Zuzana Kukelova , Torsten Sattler , Laura Leal-Taixé

Visual localization is crucial for Computer Vision and Augmented Reality (AR) applications, where determining the camera or device's position and orientation is essential to accurately interact with the physical environment. Traditional…

Robotics · Computer Science 2025-01-22 Albert Gassol Puigjaner , Irvin Aloise , Patrik Schmuck

Underwater target localization uses real-time sensory measurements to estimate the position of underwater objects of interest, providing critical feedback information for underwater robots. While acoustic sensing is the most acknowledged…

Robotics · Computer Science 2024-09-10 Mingyang Yang , Zeyu Sha , Feitian Zhang

This paper studies a coordinate alignment problem for cooperative mobile sensor network localization with range-based measurements. The network consists of target nodes, each of which has only access position information in a local fixed…

Systems and Control · Computer Science 2020-02-25 Keyou You , Qizhu Chen , Pei Xie , Shiji Song

Location is one of the basic information required for underwater optical wireless sensor networks (UOWSNs) for different purposes such as relating the sensing measurements with precise sensor positions, enabling efficient geographic routing…

Signal Processing · Electrical Eng. & Systems 2018-10-24 Nasir Saeed , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

This paper presents the development of a system able to estimate the 2D relative position of nodes in a wireless network, based on distance measurements between the nodes. The system uses ultra wide band ranging technology and the Bluetooth…

Robotics · Computer Science 2022-12-14 Valerio Brunacci , Alessio De Angelis , Gabriele Costante