Comprehensive study of non touch enable password system
Since computer has been invented, people are using many devices to interact with computer and devices such as tablets, smart phones, etc. In the current age of technology, the user is expected to touch or non touch the machine interface to give input. Hand Gesture, where natural hand or red tape is used to communicate without touching machine interface. It gives a feeling of natural way of interacting with the devices. This paper presents the techniques used to interact with machine interface. Different non touch enable technologies through which user can give input to the particular system. Also introduces to the red color detection technology which is cost effective. This technology can be used in real time applications for password system in the areas like ATM, Jewellers Shops, Home Security, etc. This can be an attempt to replace stylus and keyboards with the natural finger without touching the screen.