Abstract
INTRODUCTION: Individuals with visual impairments face a variety of challenges in their daily lives, from daily activities to physical world navigation. One of the biggest challenges is the ability to travel around safely and independently. This challenge is complicated and stressed to the visually impaired as the inability to perform obstacles or ground plane checking will result in severe injury or even death. OBJECTIVES: This work aims to prove the outdoor performance of the developed solution in detecting and recognising the frontal ground plane conditions. METHODS: The proposed model uses a LiDAR module as a distance-measuring tool to perform ground plane checking. RESULTS: In the selected outdoor path-based scenarios, the ground plane checking system succeeded in achieving an overall recognition rate of 93.10%, with an overall false positive rate of 2.72% and average false negative rate of 4.25%. CONCLUSION: Overall, the findings showed the ability of the proposed model to provide effective frontal ground plane checking for the visually impaired.
Highlights
Individuals with visual impairments face a variety of challenges in their daily lives, from daily activities to physical world navigation
The model was evaluated using experiments based on the outdoor paths with various combinations of ground plane conditions
The results showed that the model possesses the ability to support people with visual impairment in outdoor navigation to reduce the chances of accidents and enhance their mobility
Summary
Individuals with visual impairments face a variety of challenges in their daily lives, from daily activities to physical world navigation. One of the biggest challenges is the ability to travel around safely and independently This challenge is complicated and stressed to the visually impaired as the inability to perform obstacles or ground plane checking will result in severe injury or even death. Individuals with vision impairments confront an assortment of difficulties in their everyday lives, from daily activities to physical world navigation [2]. One of the challenges in physical world navigation is the ability to travel around safely and independently. [3] reviewed 31 selected studies and reported that people with visual impairment are 1.7 times more likely to have a drop and 1.9 times more likely to have multiple falls in everyday living activities as compared against the normally sighted persons. The chances of getting a hip fracture are between 1.3 times and 1.9 times more prominent for those with visual impairment
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