Table 1.

Comparing different setups of our proposed system.

Immersive Setup	Living Room Setup	Desktop Setup
In this setup, we have three large displays arranged in an arc with a Kinect sensor for user interaction with the application.	In this setup, we have a single display along with a multimedia projector with a Kinect sensor attached for user interaction.	In a simple desktop setup, we have a simple keyboard and a mouse for user interaction with a single desktop display.
Immersive setup is comparatively more realistic, it has visual 180 degrees.	The living room setup has a single flat projector display that is comparatively less realistic than the immersive setup.	In this setup, a user is not interacting directly with the VE, and the avatar is controlled with a keyboard and mouse.
A comparatively large space is required for this setup.	For the projection of display, some space is required.	Easy to setup on a simple table.
Immersive setup is only supported by GPU.	It does not require GPU, can be supported by a simple CPU system.	It is a simple CPU setup.
Installation is comparatively harder than the other two setups.	Can be easily installed.	Easy installation.
The immersive setup has higher costs.	It has comparatively lower costs than the immersive setup.	It has a lowest cost.
Immersive setup is not easily moveable from one position to another.	The mobility of the living room setup is easy as compared to the immersive setup.	It is easy to move from one space to another.
This setup is particularly used for training purposes on a large scale, e.g., a whole class.	This setup can also be used as a training system.	This setup is not used for training purposes. It is for the gaming portion of the system.