IJRIT International Journal of Research in Information Technology, Volume 2, Issue 4, April 2014, Pg: 309- 313

International Journal of Research in Information Technology (IJRIT) www.ijrit.com

ISSN 2001-5569

Virtual Reality in the Real World Deepak Kumar Department Of Computer Science , Dronacharya College Of Engg. [email protected] [email protected] [email protected] [email protected] [email protected] Abstract – This idea is explore how the virtual world will be work between the real world and tell about the universe is virtual reality is created for sharing information, and trying to finding strange ideas of modern physics about the physical world. This paper is focused on to presentation of Virtual Reality principle together with the main implementation method and techniques. In the virtual reality the screen revolve on multi-dimensional screen. In the virtual reality we will be able to touch the objects.

1. Introduction Virtual Reality is computer simulated environment that can simulate between real world and imaginary world. Most virtual screen shows on the computer screen using the some stereoscopic displays. But some devices have sound possibility through the speakers and headphones. Virtual Reality often derived by a wide variety application commonly associated by the 2D, 3D, 4D, CAD highly graphics. Virtual Reality is covers remote control also, it use stander devices also as like keyboard and mouse. In case it is difficult to create very high graphical images into the virtual world because due to this high technology is used into it and due to this the band width of the projector will be required more so due to this the structure will be separate. Many researchers and Educational practitioners believe that VR technology offers strong benefits that can support education also.

2. History of Virtual Reality The virtual reality popped into the headlines only in the past few years only. But the actually work on it was start four Decade before. In 1860 the root of virtual reality was traced by the introduced of 3600 art through the panoramic murals. In 1950 Morton Heilig wrote on an “Experience Theater” that can work on all the sense in the effective manner. In 1966 Thomas A. Furness III introduces a visual flight stimulator for the Air Force. In 1968 Ivan Sutherland invents a HMD (Head Mounted Display). In 1980 the term "virtual reality" was popularized by Jaron Lanier, one of the modern pioneers of the field. Lanier had founded the company VPL Research in 1985, which developed and built some of the seminal "goggles and gloves" systems of that decade. In 1991 Antonio Medina, a MIT graduate and NASA scientist, designed a virtual reality system to "drive" Mars rovers from Earth in apparent real time despite the substantial delay of Mars-Earth-Mars signals. The system, termed "Computer-Simulated Teleoperation" as published by Rand, is an extension of virtual reality. In these days computer graphics are used in all most all field of our life. At the end of 2th Century it will be difficult to imagine the architect, engineer, or interior designer working without graphical workstation. In last few days there

Deepak Kumar, IJRIT

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IJRIT International Journal of Research in Information Technology, Volume 2, Issue 4, April 2014, Pg: 309- 313

is a great revolution into the microprocessor technology due to this there will be effects also on the virtual reality also. It becomes possible even for an average user, to move into the world of computer graphics. It will not end at here because people want to more so it will grow day by day.

3. Definition of Virtual Reality Virtual Reality (VR) Virtual Environment (VE) both are created by the computer. These terms are mostly used in these days and these are most popular. In the virtual reality Real Time 3 dimensional models or a display screen used. Many people specially researchers try to find out the Virtual Environment but before it we need to study about the two mostly coupled to Virtual Reality. 1. Telepresence 2. Cyberspace 1. Telepresence: It is a specific kind of virtual reality that is simulates the real world but remote distance. 2. Cyberspace: It is representation of data abstract from the bank of every computer in human system. There are use some methods into the virtual reality. They are defined below:

4. Technologies used into Virtual Reality Contact Simulation without Haptic Feedback Method Haptic Lactile Feedback is a technology which takes the advantage of the sense of touch by applying force, vibration or motion to the user. This mechanism is used to creation of objects in computer simulation.

It has been describe as “doing for the sense of touch what computer graphics does for vision.

LRU Tracking without Contact Simulation Method: In the second method there is used skip contact simulation method or real size model method. There is tracking method is also used into it. In this data gloves are used into it. The user wears data gloves and feels the virtual effects. User interacts with the visual effects but end of the experiment user will be able to take the LRU at the end of the experience. This interaction method is certainly not suitable for finding possible installation/de-installation paths. But we think it is useful to train the maintenance technician in his task to identify and become roughly familiar with the mounting path.

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IJRIT International Journal of Research in Information Technology, Volume 2, Issue 4, April 2014, Pg: 309- 313

Force Feedback method: Force feedback provides direct perception three-dimensional (3D) objects and directly coupled devices between Computer and user. Force Feedback helps the user to manipulate the objects. Force Feedback is useful when any user want to move the object. Force Feedback is used when and where user want to create any robotic 3 D object as like hand for grapping the object then there is need to Force Feedback. This method applied active force feedback devices (FFD) which comprise a robotic arm, the joints of which were controlled by electric motor. User Working with the Force Feedback Devices Space Mouse Contact Simulation: The Space Mouse is used into the virtual reality to control the movement of the LRU. The visualization is on the desktop screen. The space mouse is allowing the user to move the object freely 6 degree. In this there is middle there is one space which can be moved into # direction (X, Y, and Z) continues in all x, y and z direction. The usage of the Space Mouse must be trained before a user can control objects with it. Only highly trained Test persons proved to be able to move the LRU to its end position and they usually needed several attempts.

Picture of Space Mouse Flying Mouse with Contact Simulation: The last thing which was invented in the virtual reality that was flying mouse. This was used into the multimedia technology. The main advantages of it to control the LRU. We can use it from the distance of one meter from the left side of the LRU. The visualization is done into is by the four sides. Flying mouse has a handle to hold it so there are some triggers are also used into it. So we can Flying mouse movement to control the movement of the LRU. It is easier to control the LRU than the space mouse. The user need to take more attempts to work on it.

5. Use of VR Technology The use of the VR Technology is heritage and archeology to learn them difficult things in a short time period. Many historic reconstructions tend to be in a pre-rendered format to a shared video display, thus allowing more than one person to view a computer generated world, but limiting the interaction that full-scale VR can provide. Implementation:The implementation of the VR technology there are some computer languages participated into it. They are given as: C++, Java, Perl, or Python. Some of the most popular computer graphic libraries are OpenGL, Direct3D, Java 3D, and VRML, and their use are directly influenced by the system demands in terms of performance, program purpose, and hardware platform.

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IJRIT International Journal of Research in Information Technology, Volume 2, Issue 4, April 2014, Pg: 309- 313

Simulation-based VR First method is based on the Simulation method. It this method suppose someone driving like he/she as they will give the feedback into the involves driving any vehicle they realize what the actually going on here. There will be visual, motion and audio effects can be seen. The simulator normally consists of several systems as follows: a real-time vehicle simulation system performing real-time simulation of vehicle dynamics; motion, visual and audio systems reproducing vehicle motion, driving environment scenes and noise sensed by a driver during driving; a control force roading system acting as an interface between the driver and the simulator; an operator console for monitoring system operation; and system integration managing information and data transfer among subsystems and synchronization. Avatar Image Based VR: In the avatar Image based VR is people can interact with the Virtual Environment in the real video as well as avatar. The proposed image VR system can handle two types of users. One can participate in the 3D distributed virtual environment as form of either a conventional avatar or a real video. Projector Based VR:Project based virtual reality plays a important into the various virtual applications such as robotic navigation construction modeling and airplane etc. Image based virtual reality is gaining popularities into the computer graphics as well as in computer communities also. Because it provide more realistic data and images for small distance. Desktop Based VR Desktop based virtual reality involves displaying The proposed image VR system can handle two types of users. One can participate in the 3D distributed virtual environment as form of either a conventional avatar or a real video. Application of Virtual Reality Serial Field Name Picture No. Of field

1

Medical

2

Engineering

3.

Game

4

Consumer Design

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IJRIT International Journal of Research in Information Technology, Volume 2, Issue 4, April 2014, Pg: 309- 313

5.

Design And Inspection

6. Conclusion Virtual Reality provides an interactive synthetic computer generated world. It is a method in which all natural reality provides by the computer application. Virtual Reality provides direct simulation to the computer user. In the starting year virtual reality was just imagine there was not a lot of work on it. But in the starting of the 20th century there are many experiments performed on it. It is going to growth day by day. In the past there are only small technologies or poor quality pictures. But in these few year there is much improvement into it. But it is not at that level which give a satisfaction. Virtual reality will be mostly used for future in Education Field, Space Science, and Medicine field also. In the upcoming years Virtual reality will be growth more and more. In this forward steps human will be able to touch the object which is created by the virtual reality.

7. Reference 1. 2.

"Virtual Reality Resource Guide," AIExpert, August 1992, 42-47. Bajura, Michael, Henry Fuchs, and Ryutarou Ohbuchi. "Merging Virtual Objects with the Real World: Seeing Ultrasound Imagery within the Patient," Computer Graphics (Proc. SIGGRAPH), Vol. 26, No.2, July 1992, 203-10.

3.

http://ftp.rta.nato.int/public//PubFullText/RTO/MP/RTO-MP-HFM-136///MP-HFM-136-14.pdf

4.

RTO-MP-HFM-136 14 - 1 Interaction Methods for Virtual Reality Applications Leonhard Vogelmeier, Harald Neujahr and Dr. Peter Sandl EADS Deutschland GmbH, 81663 Munich GERMANY http://ftp.rta.nato.int/public//PubFullText/RTO/MP/RTO-MP-HFM-136///MP-HFM-136-14.pdf

5.

Cruz-Neira, Carolina, Daniel J. Sandin, Thomas A. DeFanti, Robert V. Kenyon, and John C. Hart. "The Cave Audio Visual Experience Automatic Virtual Environment," Communications of the ACM, Vol. 35, No.6, June 1992,65-72.

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Virtual Reality in the Real World - International Journal of Research in ...

Abstract – This idea is explore how the virtual world will be work between the real world and tell about the universe is virtual reality is created for sharing information, and trying to finding strange ideas of modern physics about the physical world. This paper is focused on to presentation of Virtual Reality principle together ...

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