As a means for more visceral and efficient human computer interaction by a diversified range of application, virtual environment have always been considered. Analysis of complex scientific data, medical training, military simulation, phobia therapy and virtual prototyping included the spectrum of applications. Current user interaction approaches with keyboard, mouse and pen are not sufficient for the still widening spectrum of Human computer interaction, evolution of ubiquitous computing. Con-straining and uncomfortable to use, Gloves and sensor based trackers are unwieldy. Due to the limitation of these devices the usable command set based diligences is also limited.For providing natural Human Computer Interaction which has its inheritance from text based interfaces through 2D graphical-based interfaces, multimedia-supported interfaces, to full- edged multi-participant Virtual Environment (VE) systems, direct use of hands as an input device is an innovative method. All without help of any input device, conceiving a future era of human-computer interaction with the implementations of 3D application where the user may be able to move and rotate objects simply by moving and rotating his hand. A low cost interface device for interacting with objects in virtual environment using hand gestures, the research effort centralizes on the efforts of implementing an application that employs computer vision algorithms and gesture recognition techniques which in turn results in developing.
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