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    • 50. 发明授权
    • Imaging device and exposure adjusting method
    • 成像装置和曝光调整方法
    • US09420242B2
    • 2016-08-16
    • US14695300
    • 2015-04-24
    • Go MaruyamaKensuke MasudaYuji YamanakaSho Nagai
    • Go MaruyamaKensuke MasudaYuji YamanakaSho Nagai
    • H04N5/353H04N9/04H04N5/235H04N9/083H04N5/225
    • H04N9/045H04N5/2254H04N5/2351H04N5/2353H04N9/083
    • An imaging device includes a filter, an imaging element, a lens, a spectral image generator, and an exposure adjuster. The filter includes a plurality of filter areas having different spectral transmission characteristics. The imaging element receives light transmitted through the filter and outputs image information. The lens array includes a plurality of lenses arranged approximately parallel to a light receiving surface of the imaging element and is arranged between the filter and the imaging element. The spectral image generator generates a plurality of spectral images respectively corresponding to the plurality of filter areas on the basis of the image information output by the imaging element. The exposure adjuster adjusts an exposure time of the imaging element on the basis of luminance values of the spectral images.
    • 成像装置包括滤光器,成像元件,透镜,光谱图像发生器和曝光调节器。 滤波器包括具有不同频谱传输特性的多个滤波器区域。 成像元件接收透过滤光器的光并输出图像信息。 透镜阵列包括大致平行于成像元件的光接收表面布置的多个透镜,并且布置在滤光器和成像元件之间。 基于由成像元件输出的图像信息,光谱图像生成器生成分别对应于多个滤波器区域的多个光谱图像。 曝光调节器基于光谱图像的亮度值来调整成像元件的曝光时间。