The most interesting varieties of displays have always been those delivering some kind of 3D impression, making things appear more real, just as if one could actually touch them. At first glance this may seem quite simple, as if delivering two pictures instead of one could be sufficient. In practice however, this turns out to be among the most complicated tasks to achieve.
The problem is as simply described as it is omnipresent: pictures produced by a display are generally viewed in a multitude of sizes and positions, not just as they have been recorded. Almost any picture we see does not appear in correct dimension or perspective, but our eyes and brains are quite tolerant of this, as long ...
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