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Proceedings Paper

Imaging lens design using image quality metric
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Paper Abstract

In the case of imaging optics for imaging cellular phones, special attention has to be paid on the cost of the lens system. The number of lens elements has to be minimized, but the image quality has to be maximized. It is important that optimum quality/cost - ratio is found. The image sensor characteristics and human visual system preferences have to be taken into consideration as well for the design. In this paper, we present our new image quality metric. The performance of the metric is investigated using subjective tests on different lens designs and compared with MTF metric. We show that our metric has a good correlation with human observer and performs better than MTF metric. Finally, we give some examples of optimization based on our metric.

Paper Details

Date Published: 18 February 2004
PDF: 8 pages
Proc. SPIE 5249, Optical Design and Engineering, (18 February 2004); doi: 10.1117/12.512817
Show Author Affiliations
Jean-Luc Olives, Nokia Mobile Phones (Finland)
Timo T. Kolehmainen, Nokia Mobile Phones (Finland)
Janne Aikio, VTT Electronics (Finland)
Kari J. Kataja, VTT Electronics (Finland)
Pentti Karioja, VTT Electronics (Finland)
Tero Vuori, Nokia Research Ctr. (Finland)
T. Mustonen, Nokia Research Ctr. (Finland)

Published in SPIE Proceedings Vol. 5249:
Optical Design and Engineering
Laurent Mazuray; Philip J. Rogers; Rolf Wartmann, Editor(s)

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