student, Dept. of Electronics & Instrumentation Engineering Velammal Engineering College, Chennai -66, India. *2 maria.pris93@gmail.com Abstract— This paper deals with the development of a vision based Gesture Command Recognition System that recognizes hand gestures and uses it for Human Machine Interaction (HMI). Gesture recognition is interpreting human gestures that commonly originate from the face or hand through mathematical algorithms. Hand gestures are recognized by Image Processing
day to day life from reading to figuring out whether they are on right path. According to a study there are approx 21.2 million blind people in US only. Blindness is a state of loss of vision due to psychological or neurological factors. Aim of this paper is to introduce a cost-effective smart cane that alert visually impaired people over obstacles, preventing any possible accidents and help them to communicate through voice alert and vibration so that they do not rely on other people. The main element