1. Introduction to stereoscopic images
1.1 Basic concepts
Before describing the principles and techniques of stereoscopic 3D imaging, it's important to define the vocabulary used. The latter is somewhat ambiguous.
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3D
This term was first used to refer to computer-generated images, i.e. images resulting from a calculation rather than a real shot. The term CGI stands for Computer Generated Image.
In computer graphics, three-dimensional virtual objects xyz have been modeled. An image of these objects can be computed by defining the characteristics and placement of a camera and virtual light sources. The resulting image is not "3D" but "3D" (figure
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Introduction to stereoscopic images
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