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Indoor Navigation Aid Systems for the Blind and Visually Impaired Based on Depth Sensors

Indoor Navigation Aid Systems for the Blind and Visually Impaired Based on Depth Sensors
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Author(s): Fernando Merchan (Universidad Tecnologica de Panamá, Panama), Martin Poveda (Universidad Tecnologica de Panamá, Panama), Danilo E. Cáceres-Hernández (Universidad Tecnologica de Panamá, Panama)and Javier E. Sanchez-Galan (Universidad Tecnologica de Panamá, Panama)
Copyright: 2021
Pages: 37
Source title: Examining Optoelectronics in Machine Vision and Applications in Industry 4.0
Source Author(s)/Editor(s): Oleg Sergiyenko (Autonomous University of Baja California, Mexico), Julio C. Rodriguez-Quiñonez (Autonomous University of Baja California, Mexico)and Wendy Flores-Fuentes (Autonomous University of Baja California, Mexico)
DOI: 10.4018/978-1-7998-6522-3.ch007

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Abstract

This chapter focuses on the contributions made in the development of assistive technologies for the navigation of blind and visually impaired (BVI) individuals. A special interest is placed on vision-based systems that make use of image (RGB) and depth (D) information to assist their indoor navigation. Many commercial RGB-D cameras exist on the market, but for many years the Microsoft Kinect has been used as a tool for research in this field. Therefore, first-hand experience and advances on the use of Kinect for the development of an indoor navigation aid system for BVI individuals is presented. Limitations that can be encountered in building such a system are addressed at length. Finally, an overview of novel avenues of research in indoor navigation for BVI individuals such as integration of computer vision algorithms, deep learning for the classification of objects, and recent developments with stereo depth vision are discussed.

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