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    • 5. 发明申请
    • Imaging Device
    • 成像设备
    • US20090153713A1
    • 2009-06-18
    • US11883898
    • 2006-02-02
    • Kazuko NakagawaJun Takayama
    • Kazuko NakagawaJun Takayama
    • H04N5/335
    • H04N5/335H04N5/2355H04N5/35518
    • An imaging device including an imaging element having a plurality of pixels for switching a linear conversion mode for linearly converting incident light to an electric signal and a logarithm conversion mode for logarithmically converting incident light to an electric signal on the basis of incident light intensity, a conversion unit for converting and outputting a reference electric signal converted logarithmically and outputted from the imaging element to an electric signal obtained by linearly converting an electric signal before logarithm conversion, a correction unit, when an electric signal converted logarithmically and outputted from the imaging element is varied from the reference electric signal, for correcting it so as to coincide with the reference electric signal, and a circuit for giving the corrected electric signal to the conversion unit.
    • 一种成像装置,包括具有多个像素的成像元件,用于将入射光线性转换为电信号的线性转换模式切换,以及基于入射光强度将入射光对数转换为电信号的对数转换模式, 转换单元,用于转换和输出对数转换并从成像元件输出的参考电信号到通过线性转换对数转换之前的电信号获得的电信号,校正单元,当从成像元件对数输出的电信号是 与参考电信号不同,用于将其校正为与参考电信号一致,以及用于将修正的电信号提供给转换单元的电路。
    • 7. 发明授权
    • Imaging device
    • 成像设备
    • US07916197B2
    • 2011-03-29
    • US11883898
    • 2006-02-02
    • Kazuko NakagawaJun Takayama
    • Kazuko NakagawaJun Takayama
    • H04N3/14H04N5/335H01L27/00
    • H04N5/335H04N5/2355H04N5/35518
    • An imaging device including an imaging element having a plurality of pixels for switching a linear conversion mode for linearly converting incident light to an electric signal and a logarithm conversion mode for logarithmically converting incident light to an electric signal on the basis of incident light intensity, a conversion unit for converting and outputting a reference electric signal converted logarithmically and outputted from the imaging element to an electric signal obtained by linearly converting an electric signal before logarithm conversion, a correction unit, when an electric signal converted logarithmically and outputted from the imaging element is varied from the reference electric signal, for correcting it so as to coincide with the reference electric signal, and a circuit for giving the corrected electric signal to the conversion unit.
    • 一种成像装置,包括具有多个像素的成像元件,用于将入射光线性转换为电信号的线性转换模式切换,以及基于入射光强度将入射光对数转换为电信号的对数转换模式, 转换单元,用于转换和输出对数转换并从成像元件输出的参考电信号到通过线性转换对数转换之前的电信号获得的电信号,校正单元,当从成像元件对数输出的电信号是 与参考电信号不同,用于将其校正为与参考电信号一致,以及用于将修正的电信号提供给转换单元的电路。