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    • 1. 发明授权
    • Adaptive optical filter
    • 自适应滤光片
    • US08531753B1
    • 2013-09-10
    • US13103846
    • 2011-05-09
    • Stephen Richard Whittemore
    • Stephen Richard Whittemore
    • G02F1/07G02B26/00
    • G02B26/0816G02F2203/12
    • Imaging systems include a detector and a spatial light modulator (SLM) that is coupled so as to control image intensity at the detector based on predetermined detector limits. By iteratively adjusting SLM element values, image intensity at one or all detector elements or portions of an imaging detector can be controlled to be within limits. The SLM can be secured to the detector at a spacing such that the SLM is effectively at an image focal plane. In some applications, the SLM can be adjusted to impart visible or hidden watermarks to images or to reduce image intensity at one or a selected set of detector elements so as to reduce detector blooming.
    • 成像系统包括检测器和空间光调制器(SLM),其被耦合以便基于预定的检测器限制来控制检测器处的​​图像强度。 通过迭代地调整SLM元件值,可以将成像检测器的一个或所有检测器元件或部分处的图像强度控制在限度内。 SLM可以以使得SLM有效地在图像焦平面上的间隔固定到检测器。 在一些应用中,可以调整SLM以将可见或隐藏的水印赋予图像或者降低一个或所选择的一组检测器元件处的图像强度,以便减少检测器的起霜。