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A Vision based Indoor Navigation System for Individual with Visual Impairment

Authors:

Mobyen Uddin Ahmed, Mohammed Ghaith Altarabichi, Shahina Begum, Fredrik Ginsberg , Robert Glaes , Magnus Östgren , Hamidur Rahman, Magnus Sörensen

Publication Type:

Conference/Workshop Paper

Venue:

International Conference on Modern Intelligent Systems Concepts


Abstract

Navigation and orientation in an indoor environment is a challenging task for visually impaired people. This paper proposes a portable vision-based system to provide support for visually impaired persons in their daily activities. Here, machine learning algorithms are used for obstacle avoidance and object recognition. The system is intended to be used independently, easily and comfortably without taking human help. The system assists in obstacle avoidance using cameras and gives voice message feedback by using a pre-trained YOLO Neural Network for object recognition. In other parts of the system, a floor plane estimation algorithm is proposed for obstacle avoidance and fuzzy logic is used to prioritize the detected objects in a frame and generate alert to the user about possible risks. The system is implemented using the Robot Operating System (ROS) for communication on a Nvidia Jetson TX2 with a ZED stereo camera for depth calculations and headphones for user feedback, with the capability to accommodate different setup of hardware components. The parts of the system give varying results when evaluated and thus in future a large scale evaluation is needed to implement the system and get it as a commercialized product in this area.

Bibtex

@inproceedings{Ahmed5256,
author = {Mobyen Uddin Ahmed and Mohammed Ghaith Altarabichi and Shahina Begum and Fredrik Ginsberg and Robert Glaes and Magnus {\"O}stgren and Hamidur Rahman and Magnus S{\"o}rensen},
title = {A Vision based Indoor Navigation System for Individual with Visual Impairment },
month = {January},
year = {2019},
booktitle = {International Conference on Modern Intelligent Systems Concepts },
url = {http://www.es.mdh.se/publications/5256-}
}