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Title: Indoor Navigation Systems for Visually Impaired Persons: Mapping the Features of Existing Technologies to User Needs
Authors: Plikynas, Darius
Žvironas, Arūnas
Budrionis, Andrius
Gudauskis, Marius
Keywords: visually impaired
blind
indoor navigation
object detection and recognition
electronic travelling aid
assistive device
Issue Date: 2020
Publisher: MDPI
Citation: Plikynas, D.; Žvironas, A.; Budrionis, A.; Gudauskis, M. Indoor Navigation Systems for Visually Impaired Persons: Mapping the Features of Existing Technologies to User Needs. Sensors 2020, 20, 636.
Series/Report no.: 20;3
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.
Description: This article belongs to the Section Physical Sensors
URI: http://dspace.vgtu.lt/handle/1/4001
ISSN: 1424-8220
Appears in Collections:Moksliniai straipsniai / Research articles

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