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Virtual reality is an artificial environment that is created with software and presented to the user in such a way that the user suspends belief and accepts it as a real environment. On a computer, virtual reality is primarily experienced through two of the five senses: sight and sound.
Virtual reality is the term used to describe a three-dimensional, computer generated environment which can be explored and interacted with by a person. That person becomes part of this virtual world or is immersed within this environment and whilst there, is able to manipulate objects or perform a series of actions.
The simplest form of virtual reality is a 3-D image that can be explored interactively at a personal computer, usually by manipulating keys or the mouse so that the content of the image moves in some direction or zooms in or out. More sophisticated efforts involve such approaches as wrap-around display screens, actual rooms augmented with wearable computers, and haptics devices that let you feel the display images.
Virtual reality can be divided into: 1. The simulation of a real environment for training and education. 2. The development of an imagined environment for a game or interactive story.
Virtual reality can lead to new and exciting discoveries in these areas which impact upon our day to day lives. Wherever it is too dangerous, expensive or impractical to do something in reality, virtual reality is the answer. From trainee fighter pilots to medical applications trainee surgeons, virtual reality allows us to take virtual risks in order to gain real world experience. As the cost of virtual reality goes down and it becomes more mainstream you can expect more serious uses, such as education or productivity applications, to come to the fore. Virtual reality and its cousin augmented reality could substantively change the way we interface with our digital technologies, continuing the trend of humanizing our technology.
Major applications
Military uses of virtual reality-these include flight simulation, battlefield simulation, medic training and vehicle simulation. Virtual reality is designed to be used as an additional aid and will not replace real life training.
Virtual Reality and Education-It is able to present complex data in an accessible way to students which is both fun and easy to learn. For example, astronomy students can learn about the solar system. This is useful for students who have a particular learning style, e.g. creative or those who find it easier to learn using symbols, colours and textures.
Virtual Reality in Healthcare- allows healthcare professionals to learn new skills as well as refreshing existing ones in a safe environment. Plus it allows this without causing any danger to the patients.
Virtual robotic surgery-where surgery is performed by means of a robotic device – controlled by a human surgeon, which reduces time and risk of complications. Virtual reality has been also been used for training purposes and, in the field of remote telesurgery in which surgery is performed by the surgeon at a separate location to the patient. The main feature of this system is force feedback as the surgeon needs to be able to gauge the amount of pressure to use when performing a delicate procedure.
Virtual Reality in Sport- used as a training aid in many sports such as golf, athletics, skiing, cycling etc. It is used as an aid to measuring athletic performance as well as analyzing technique and is designed to help with both of these. It also used in clothing/equipment design and as part of the drive to improve the audience’s experience.
Virtual Reality and Scientific Visualization-This field is based upon using computer graphics to express complex ideas and scientific concepts, for example molecular models or statistical results.
By: Dr. Vivek Rana ProfileResourcesReport error
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