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Proceedings Paper

Three-Dimensional Information
Author(s): Nils H. Abramson
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Paper Abstract

Optical depth information, or longitudinal resolution, can be obtained either by using the transversal resolution of two spatially separated observation systems or by using one single system that is sensitive to the traveling time of a signal. Optical transversal information is obtained by comparing the traveling time of signals arriving at two spatially separated points of observation. Thus every optical method to obtain optical three-dimensional information is based on the comparison of time delays caused by the pathlengths that the information carrying signals have to travel. The holodiagram is a bi-polar diagram made to simplify the comparison of distances. It can therefore be used as one unifying method that assists in explaining the possibilities of every method to obtain three-dimensional information.

Paper Details

Date Published: 29 December 1977
PDF: 7 pages
Proc. SPIE 0120, Three-Dimensional Imaging, (29 December 1977); doi: 10.1117/12.955740
Show Author Affiliations
Nils H. Abramson, Royal Institute of Technology (Sweden)


Published in SPIE Proceedings Vol. 0120:
Three-Dimensional Imaging
Stephen A. Benton, Editor(s)

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