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    • 4. 发明授权
    • Signal processing device and imaging device
    • US11431898B2
    • 2022-08-30
    • US16754489
    • 2018-10-19
    • SONY CORPORATION
    • Yoshitaka Miyatani
    • H04N5/232H04N5/378
    • The present disclosure relates to a signal processing device and an imaging device capable of improving an image quality of the imaging device that does not use an imaging lens.
      A signal processing device includes a restoration unit that restores one restored image by using a plurality of detection signal sets obtained by an imaging element in a plurality of states in which at least one of a position or orientation with respect to a subject is different, the imaging element that includes a plurality of pixel output units that receives incident light from the subject incident without an intervention of an imaging lens or a pinhole and each outputs one detection signal indicating an output pixel value modulated by an incident angle of the incident light, and outputs a detection signal set including a plurality of detection signals output from the plurality of pixel output units. The present disclosure is applicable to, for example, an imaging system that images using a plurality of imaging devices.
    • 10. 发明授权
    • Focus detection device, imaging apparatus, and method of controlling focus detection device
    • 焦点检测装置,成像装置和控制焦点检测装置的方法
    • US08831420B2
    • 2014-09-09
    • US13951963
    • 2013-07-26
    • Sony Corporation
    • Yoshitaka Miyatani
    • G03B3/00G03B13/32
    • G03B13/32G03B13/36G03B2206/00H04N5/23212
    • There is provided a focus detection device including a phase difference acquisition unit that calculates an amount of deviation between light-reception amount distributions of a pair of light-receiving element groups arranged in a predetermined direction perpendicular to an optical axis direction as a phase difference, a conversion coefficient correction unit that corrects a conversion coefficient, representing a ratio of an amount of focus deviation in the optical axis direction to the phase difference when shapes of the light-reception amount distributions are same, according to a degree of discrepancy between the shapes of the light-reception amount distributions, and a defocus amount generation unit that generates the amount of focus deviation as an amount of defocus based on the corrected conversion coefficient and the phase difference.
    • 提供了一种焦点检测装置,包括相位差获取单元,该相位差获取单元计算沿与光轴方向垂直的预定方向布置的一对光接收元件组的光接收量分布之间的偏差量作为相位差, 转换系数校正单元,其根据所述形状之间的差异程度来校正表示所述光轴方向上的聚焦偏差与所述光接收量分布的形状相同时的相位差的比率的转换系数 以及散焦量生成单元,其基于校正后的转换系数和相位差,生成聚焦偏差量作为散焦量。