Indoor Navigation Systems for Visually Impaired Persons: Mapping the Features of Existing Technologies to User Needs.

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ID: 88807
2020
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Abstract
Currently, several outdoor navigation and orientation electronic traveling aid (ETA) solutions for visually impaired (VI) people are commercially available or in active development. This paper's survey of blind experts has shown that after outdoor navigation, the second most important ETA feature for VI persons is indoor navigation and orientation (in public institutions, supermarkets, office buildings, homes, etc.). VI persons need ETA for orientation and navigation in unfamiliar indoor environments with embedded features for the detection and recognition of obstacles (not only on the ground but also at head level) and desired destinations such as rooms, staircases, and elevators. The development of such indoor navigation systems, which do not have Global Positioning System (GPS) locational references, is challenging and requires an overview and evaluation of existing systems with different navigation technologies. This paper presents an evaluation and comparison of state-of-the-art indoor navigation solutions, and the research implications provide a summary of the critical observations, some insights, and directions for further developments. The paper maps VI needs in relation to research and development (R&D) trends using the evaluation criteria deemed most important by blind experts.
Reference Key
plikynas2020indoorsensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Plikynas, Darius;Žvironas, Arūnas;Budrionis, Andrius;Gudauskis, Marius;
Journal sensors
Year 2020
DOI
E636
URL
Keywords
assistive device blind electronic travelling aid indoor navigation object detection and recognition visually impaired

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