18 February 2004 Imaging lens design using image quality metric
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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.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jean-Luc Olives, Timo T. Kolehmainen, Janne Aikio, Kari J. Kataja, Pentti Karioja, Tero Vuori, T. Mustonen, "Imaging lens design using image quality metric", Proc. SPIE 5249, Optical Design and Engineering, (18 February 2004); doi: 10.1117/12.512817; https://doi.org/10.1117/12.512817


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