Pattern recognition and Gesture recognition are the growing fields of research. Being a significant part in non verbal communication hand gestures are playing vital role in our daily life. Hand Gesture recognition system provides us an innovative,

natural, user friendly way of interaction with the computer which is more familiar to the human beings.

Its main steps are discussed in the following:

Image Segmentation

Orientation Detection

Features extraction

Thumb detection:

Finger region detection:

Euclidean distance:

Classification and bits generation