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Imaging lens design using image quality metric

机译:使用图像质量指标的成像镜头设计

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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.
机译:在用于蜂窝电话成像的成像光学器件的情况下,必须特别注意透镜系统的成本。镜头元件的数量必须最小化,但是图像质量必须最大化。找到最佳的质量/成本比很重要。对于设计,还必须考虑图像传感器的特性和人类视觉系统的偏好。在本文中,我们提出了新的图像质量指标。使用不同镜片设计的主观测试来研究该度量的性能,并将其与MTF度量进行比较。我们表明,我们的指标与人类观察者具有良好的相关性,并且比MTF指标表现更好。最后,我们给出一些基于指标的优化示例。

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