Enhanced AI-Based Navigation System for The Visually Impaired


Abstract
This work introduces an Artificial intelligence (AI) based navigation system using the Raspberry Pi single-board computer. Its primary aim is to assist visually impaired users with precise navigation, achieved through machine learning algorithms for object detection. The development follows an agile methodology, emphasizing flexibility. The work explores integrating essential technologies into a system divided into two major subsystems: hardware and software. The hardware subsystem consists of a Raspberry Pi processor, a camera, an ultrasonic sensor, and a power source, collecting data on road conditions and traffic. The software employs TensorFlow and OpenCV to process data and provide optimized routes. The processed images were classified and identified using the YOLOv3 algorithm. The ultrasonic sensor could measure object distance with about 99.8% accuracy correctly. The test results demonstrate that the AI-based navigation system enhances user experiences and interaction with their environment by simplifying transportation and delivering accurate routes. It effectively analyzes and processes data obtained from the environment, improving accessibility for visually impaired individuals. The work concludes by discussing potential applications and future directions for AI-based navigation systems. It highlights the importance of affordable and accessible technology in improving transportation infrastructure, showcasing the potential for low-cost technology to enhance accessibility and mobility.
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Copyright (c) 2025 Azubuike Nzubechukwu Aniedu, Sandra Chioma Nwokoye, Chukwunenye Sunday Okafor , Kingsely Anyanwu , Anthony Nosike Isizoh

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