SLAM for Visually Impaired People: a Survey

• URL: http://arxiv.org/abs/2212.04745v6
• Date: Fri, 16 Aug 2024 15:49:24 GMT
• Title: SLAM for Visually Impaired People: a Survey
• Authors: Marziyeh Bamdad, Davide Scaramuzza, Alireza Darvishy,
• Abstract summary: We present the first systematic literature review of 54 recent studies on SLAM-based solutions for blind and visually impaired people. We discuss the advantages and limitations of these techniques for blind and visually impaired navigation. Our analysis also evaluates the effectiveness of these SLAM-based solutions in real-world scenarios and user satisfaction.
• Score: 18.839307761493174
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In recent decades, several assistive technologies have been developed to improve the ability of blind and visually impaired (BVI) individuals to navigate independently and safely. At the same time, simultaneous localization and mapping (SLAM) techniques have become sufficiently robust and efficient to be adopted in developing these assistive technologies. We present the first systematic literature review of 54 recent studies on SLAM-based solutions for blind and visually impaired people, focusing on literature published from 2017 onward. This review explores various localization and mapping techniques employed in this context. We systematically identified and categorized diverse SLAM approaches and analyzed their localization and mapping techniques, sensor types, computing resources, and machine-learning methods. We discuss the advantages and limitations of these techniques for blind and visually impaired navigation. Moreover, we examine the major challenges described across studies, including practical challenges and considerations that affect usability and adoption. Our analysis also evaluates the effectiveness of these SLAM-based solutions in real-world scenarios and user satisfaction, providing insights into their practical impact on BVI mobility. The insights derived from this review identify critical gaps and opportunities for future research activities, particularly in addressing the challenges presented by dynamic and complex environments. We explain how SLAM technology offers the potential to improve the ability of visually impaired individuals to navigate effectively. Finally, we present future opportunities and challenges in this domain.

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