The purpose of 3D scanning is to bridge the real world with the virtual world. A practical system would not only produce photorealistic models, but would also be inexpensive and easy to use. We took a 3D scanner developer's viewpoint to review different 3D digitizing techniques. We briefly compare existing systems and give special consideration to active optical triangulation-based scanners.
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Петров et al. (1998) studied this question.
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