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Concept of “Electronics”
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Category of Electronics
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The Basic Principle of 3D Images
Visual Disparity Creates a 3-Dimensional Effect
When people look at something, they receive slightly different images from their left and right eyes. The difference between the two images is called ”disparity.” When the images are formed into a single image by the brain, this disparity causes the appearance of spatial depth and the appearance of solidity. The basic principle of 3D images derives from purposely creating this visual disparity. Even though the image is projected onto a flat screen, the viewer’s brain interprets the visual disparity information as portraying depth and solid-appearing objects.
Two Images Acquired When Shooting -- Left Eye/Right Eye
To artificially produce this visual disparity, separate images must be recorded for viewing with the left and right eyes. A special camera is used on 3D movie sets to do this. The camera has two lenses and is designed to capture both the left- and right-eye images simultaneously.
3D Quality Left/Right Image Reproduction
The key to achieving 3D image quality lies in the method for sending the special 3D left- and right-eye images to the eyes of the viewer. A variety of methods have been examined through trial and error. These include the primitive method of watching the images through glasses that are fitted with red and blue color filters, glasses with polaroid filters or LCD shutters, and a method in which a color filter is fitted to the screen itself and the viewers watch naturally -- without wearing any special glasses. The criterion for determining the best method is the ability to faithfully reproduce the information contained in the original images.
http://3d.panasonic.net/en/3doutline/techtalk/01.php
February 11, 2010 9:36 PM by bluedragon(Singapore / Malaysia)
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