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The Quest for Artificial Intelligence by Nils J. Nilsson

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9

Computer Vision

SIGHTED HUMANS GET MUCH OF THEIR INFORMATION THROUGH VISION.THAT PART of AI called “computer vision” (or, sometimes, “machine vision”) deals with giving computers this ability. Most computer vision work is based on processing two-dimensional images gathered from a three-dimensional world – images gathered by one or more television cameras, for example. Because the images are two-dimensional projections of a three-dimensional scene, the imaging process loses information. That is, different three-dimensional scenes might produce the same two-dimensional image. Thus, the problem of reconstructing the scene faithfully from an image is impossible in principle.

Yet, people and other animals manage very well in a three-dimensional ...

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