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Proceedings Paper

Compact and thin multi-lens system for machine vision applications
Author(s): Edmund Y. Lam
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Paper Abstract

Compact imaging devices are desirable in many different machine vision applications. For instance, in inspection for semiconductor manufacturing systems, the reduction in feature size demands lenses with a small working distance but a wide field of view. An integrated computational imaging system has proved to be advantageous in this respect, as it integrates the optics, optoelectronics, and signal processing together in the system architecture. This allows for unconventional optical systems that require further image processing to reconstruct the images, but can be made to satisfy more stringent design constraints such as size, power, and cost. In this paper, we focus on a multi-lens optical architecture. We explain the possible designs and discuss the reconstruction of images, as we need to combine the multiple low-resolution images formed from the different optical paths into a high-resolution image. We will also explore its applicability in various machine vision applications.

Paper Details

Date Published: 26 February 2008
PDF: 8 pages
Proc. SPIE 6813, Image Processing: Machine Vision Applications, 681305 (26 February 2008); doi: 10.1117/12.766435
Show Author Affiliations
Edmund Y. Lam, Univ. of Hong Kong (Hong Kong China)

Published in SPIE Proceedings Vol. 6813:
Image Processing: Machine Vision Applications
Kurt S. Niel; David Fofi, Editor(s)

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