Ultrasonic sensors are used in ultrasonic glasses ... obstacle detection, enabling users to navigate their surroundings more independently and safely. • Ultrasonic sensor: used to calculate distance ...

This paper aims to develop an obstacle detection device that helps the visually impaired in the form of a mobility aid. The designed model detects the closest obstacle using the sonar principle and in ...

Obstacle detection is one of the major concerns for a fully or a partially blind person (e.g. person suffering from night-blindness, cataracts, glaucoma, albinism or injury). Presented here is a smart ...