Walter C. S. S. Simoes, Guido Soprano Machado, André M. A. Sales, Mateus MartÃnez De Lucena, Nasser Jazdi, Vicente Ferreira de Lucena Jr.. A Review of Technologies and Techniques for Indoor Navigation Systems for the Visually Impaired. Sensors, 20(14):3935, 2020. [doi]
Abstract is missing.