Advanced Sensing in Image Processing and IoT

19 IoT-Based Smart Stick for the BlindA Review

DOI: 10.1201/9781003221333-19

Varsha Vimal Sood, Kartik Bansal, and Nitish Agarwal

Contents

19.1 Introduction

19.2 System Model

19.2.1 Environment Sensing and Obstacle Detection

19.2.1.1 Some Commonly Used Sensors

19.2.1.2 Some of the Most Commonly Used Microcontroller Boards

19.2.2 Communication Messages and Alerts

19.2.3 Tracking

19.2.4 Other Enhanced Features

19.3 Issues and Challenges

19.4 Conclusion and Future Work

References

19.1 Introduction

For a human being, vision is the most important of all the senses, as one can perceive more than 80 percent of information by seeing [1]. According to the World Health Organization (WHO), there are at least 2.2 billion people suffering from near ...