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    • 1. 发明申请
    • RESET NOISE REDUCTION FOR PIXEL READOUT WITH PSEUDO CORRELATED DOUBLE SAMPLING
    • 通过PSEUDO相关双重采样重新设置像素读数的噪声
    • US20150036035A1
    • 2015-02-05
    • US14242919
    • 2014-04-02
    • Yibing M. WANGHongyu WANGTae-Chan KIM
    • Yibing M. WANGHongyu WANGTae-Chan KIM
    • H04N5/357H04N5/363
    • H04N5/3575H04N5/363
    • Provided are an imaging device implementing pseudo correlated double sampling (CDS), and an imaging method and a control method of the image device. The imaging device includes: a pixel array comprising a pixel configured to generate a current in response to incident light; a readout circuit configured to read out a plurality of output signals of the pixel, the plurality of output signals corresponding to a plurality of consecutive integration periods of the pixel within an aggregating period; and an aggregator configured to aggregate the plurality of output signals read out by the readout circuit to obtain a final aggregated output corresponding to illuminance for the aggregating period, wherein the readout circuit is configured to read out the plurality of output signals by, for each output signal, sampling a signal voltage of the pixel and sampling a subsequent reset voltage of the pixel and obtaining a difference therebetween.
    • 提供了实现伪相关双重采样(CDS)的成像装置,以及图像装置的成像方法和控制方法。 成像装置包括:像素阵列,包括被配置为响应于入射光而产生电流的像素; 读出电路,被配置为读出所述像素的多个输出信号,所述多个输出信号对应于聚合周期内的像素的多个连续积分周期; 以及聚合器,其被配置为聚集由所述读出电路读出的所述多个输出信号,以获得对应于所述聚集周期的照度的最终聚合输出,其中所述读出电路被配置为通过针对每个输出读出所述多个输出信号 信号,对像素的信号电压进行采样,并对像素的后续复位电压进行采样,并获得其间的差值。