Indoor location based services challenges, requirements and usability of current solutions

A Basiri, ES Lohan, T Moore, A Winstanley… - Computer Science …, 2017 - Elsevier
Abstract Indoor Location Based Services (LBS), such as indoor navigation and tracking, still
have to deal with both technical and non-technical challenges. For this reason, they have …

A review of assistive spatial orientation and navigation technologies for the visually impaired

H Fernandes, P Costa, V Filipe, H Paredes… - Universal Access in the …, 2019 - Springer
The overall objective of this work is to review the assistive technologies that have been
proposed by researchers in recent years to address the limitations in user mobility posed by …

Recovering stable scale in monocular SLAM using object-supplemented bundle adjustment

D Frost, V Prisacariu, D Murray - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Without knowledge of the absolute baseline between images, the scale of a map from a
single-camera simultaneous localization and map** system is subject to calamitous drift …

Object-aware bundle adjustment for correcting monocular scale drift

DP Frost, O Kähler, DW Murray - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Without knowledge of the absolute baseline between images, the scale of a map from single-
camera simultaneous localization and map** system is subject to calamitous drift over …

The four key challenges of advanced multisensor navigation and positioning

PD Groves, L Wang, D Walter, H Martin… - 2014 IEEE/ION …, 2014 - ieeexplore.ieee.org
The next generation of navigation and positioning systems must provide greater accuracy
and reliability in a range of challenging environments to meet the needs of a variety of …

3-D passive-vision-aided pedestrian dead reckoning for indoor positioning

J Yan, G He, A Basiri, C Hancock - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The vision-aided pedestrian dead reckoning (PDR) systems have become increasingly
popular, thanks to the ubiquitous mobile phone embedded with several sensors. This is …

Low cost vision-aided IMU for pedestrian navigation

C Hide, T Botterill, M Andreotti - 2010 Ubiquitous Positioning …, 2010 - ieeexplore.ieee.org
Low cost MEMS sensors typically result in large position errors after very short periods of
time unless they are frequently corrected by measurements from other systems. One form of …

Correcting scale drift by object recognition in single-camera SLAM

T Botterill, S Mills, R Green - IEEE transactions on cybernetics, 2012 - ieeexplore.ieee.org
This paper proposes a novel solution to the problem of scale drift in single-camera
simultaneous localization and map**, based on recognizing and measuring objects …

Collaborative navigation as a solution for PNT applications in GNSS challenged environments–report on field trials of a joint FIG/IAG working group

A Kealy, G Retscher, C Toth… - Journal of Applied …, 2015 - degruyter.com
PNT stands for Positioning, Navigation, and Timing. Space-based PNT refers to the
capabilities enabled by GNSS, and enhanced by Ground and Space-based Augmentation …

Infrastructureless approach for ubiquitous user location tracking in construction environments

H Khoury, D Chdid, R Oueis, I Elhajj, D Asmar - Automation in Construction, 2015 - Elsevier
Current research trends in the field of automation in construction focus on automating
traditional tasks with the intent of improving the accuracy and streamlining the flow of …