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Real-time Gesture Recognition and Robot control

Through Blob Tracking

AIM:

  This paper presents vision based interface that has been designed to instruct a device

Switching through gestures with blob detection techniques using image processing.

INTRODUTION:

 As the need for human-computer interaction (HCI grows in man! aspects of the digital

world" various wa!s of communicating with computers have been e#ploited and there is little doubt

that hand gesture is one of the most intuitive wa!s for this end. $ore and more applications in

virtual realit! (%&" gaming" human-robot interaction (H&I and HCI based on hand gesture and

 posture recognition have emerged in the past decade. It's not new to stud! on a remote control for 

home appliance such as air conditioner using human's free hand gesture instead of cumbersome

hand-held wireless remote controllers. evertheless" to the best of our )nowledge" there e#ists no

commercial remote controller that uses free hand gesture because it requires high robustness to

various illumination changes in living room and full automation without an! constraint or direct

intervention of users. Although there are some studies to satisf! the requirements" most researches

on gesture recognition have been devoted to solve sophisticated problems such as understanding

sign languages b! interpreting sequences of *+ motion or shape of Hands.

!"I#ITING #$!M!:

In previous approaches" the device can be switched on or off b! using radio frequenc!

technolog! and I& transmitting technolog!. ,! using such a technolog!" different )inds of remote

can be used to control the various devices. enerall!" there are two t!pes of remote controls Infra

red" and &adio frequenc!. Infrared remote controls wor) b! sending pulses of infrared light to a

device" while &/ remote controls use radio waves in much the same wa!. 0ragmaticall!" the biggest

difference between the two is range. I& remote controls require a clear line of sight to the receiving

device and their range ma#es out at about *1 feet (2.34 meters. &/ remote controls can go through

walls and around corners" with a range of roughl! 311 feet (*1.45 meters.

%RO%O#!D #T!M:

  6e propose a s!stem" using which the user can control the device in an! environment using

various gestures commands. Here the user operates the switching through a laptop or a 0C with in-

 built webcam or e#ternal webcam. This webcam is used to capture real time video stream of hand

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gestures with blob detection is to generate commands for the divice switching. 7sing the gesture

technique developed" divice is switched without an! intraction.

B'O( DIAGRAM:

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