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1. 发明授权

US09107567B2 Spectral imaging with a color wheel 有权
标题翻译：带有色轮的光谱成像
公开(公告)号：US09107567B2
公开(公告)日：2015-08-18
申请号：US13728736
申请日：2012-12-27
申请人： CHRISTIE DIGITAL SYSTEMS USA, INC.
发明人： George P. Pinho
IPC分类号： A61B6/00 , A61B5/00 , G01N21/31 , G01N21/17
CPC分类号： A61B6/00 , A61B5/0059 , A61B5/441 , G01N21/314 , G01N2021/178 , G01N2021/3144 , G01N2021/3148
摘要： A spectral imaging apparatus includes an image sensor positioned to capture images of a target, a rotating color wheel aligned with the image sensor, and a projector positioned to project overlay images onto the target. The color wheel can include one or more filter segments, each allowing light of a different range of wavelengths to pass. The color wheel can further include a blocking or opaque segment. A set of captured images of the different wavelengths can be processed to generate a false-color overlay image for projection onto the target. Processing of overlay images can be performed when the blocking or opaque segment is in front of the image sensor. The spectral imaging apparatus may be a multi-spectral imaging apparatus and made be used in the medical fields, such as for determining and indicating tissue oxygenation. Video rates can be achieved.
摘要翻译：光谱成像设备包括被定位成捕获目标图像的图像传感器，与图像传感器对准的旋转色轮以及将覆盖图像投影到目标上的投影仪。色轮可以包括一个或多个过滤器段，每个过滤器段允许不同波长范围的光通过。色轮可以进一步包括阻挡或不透明的部分。可以处理一组不同波长的拍摄图像，以生成用于投影到目标上的假彩色叠加图像。当阻挡或不透明的区段在图像传感器的前面时，可以执行叠加图像的处理。光谱成像装置可以是多光谱成像装置，并且可用于医疗领域，例如用于确定和指示组织氧合。视频速率可以实现。

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