Sunday 27 April 2008

How Augmented Perspectives break the paradigm of desktop computing

(From Lee Shakespeare)

Augmented Perspectives


Currently there is a technology called an Augmented Perspective, this allows humans to ineract with computers via different patterented physical objects. Each patterned object, usually black and white card, has a distinct shape which the computer will recognise. Using a camera, the computer can detect these different patterns and project a real-time 3D model onto the surface.

Currently this can only be seen on the computer screen, however by physical movement alone the user will be able to alter the 3D model. Eliminating the users contact with the computer itself makes the technology more user-friendly, allowing people who have no previous computer experience to use the technology without training. All they would have to do is pick up and move a physical object and the computer would do the rest.


This breaks the paradigm of traditional desktop computing because only a screen and a small camera would need to be visible to the user. This technology would be very effective for people who are not computer literate (i.e. Children or Elderly) because this technology requires no previous knowledge.
The ultimate goal of this technology is for the mirror world (the image on the computer screen) to become the real world. This would mean that the 3D image would be projected directly onto the patterned card. Currently Augmentive Perspective only uses equipment which is accessible to most users, making this technology increasingly popular with modern users.This technology is being developed by companies as well as open source groups.
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Metaio is a company which is heavily investing in augmented solutions for business. Augmented Perspective is one of their technologies.

Video 1: Here is a example of how this technology could work.
Link:
http://www.metaio.com/

Video 2: Here is another example of this technology in action. This focuses on the setup of the hardware and then shows the image projected on a monitor, from a perspective which shows how the technology might work when using 3D Projection in the future.
Link:
http://www.metaio.com/flvplayer.php?video=flv_62_5-719_9947.flv$320$240

Example: A book was used as an example in the previous video, here is some software produced by The Human Interface Technology Laboratory New Zealand which will output the same effect. All that is needed is a compatible webcam.
Link:
http://www.hitlabnz.org/wiki/BlackMagic_Book



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