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    • 1. 发明授权
    • Focus detection apparatus and focus detection method
    • 焦点检测装置和焦点检测方法
    • US08670063B2
    • 2014-03-11
    • US13325667
    • 2011-12-14
    • Daisuke WakamiyaTakeshi Ogawa
    • Daisuke WakamiyaTakeshi Ogawa
    • H04N5/232
    • H04N5/23212H04N5/3696
    • A focus detection apparatus comprises: an image sensor that receives images that are formed by light that passes through different pupil regions of a photographing optical system including a focus lens, and outputs a pair of image signals; a control unit that controls to acquire a pair of image signals from the image sensor at first and second lens positions of the focus lens; a conversion unit that, by multiplying a shift amount between a pair of images representing the pair of image signals by a conversion coefficient, converts the shift amount to a defocus amount; and a calculation unit that calculates the conversion coefficient based on displacement amounts of respective ones of the pair of images representing the pair of image signals acquired at the first and second lens positions, and a displacement amount of the focus lens from the first lens position to the second lens position.
    • 焦点检测装置包括:图像传感器,其接收由穿过包括聚焦透镜的拍摄光学系统的不同瞳孔区域的光形成的图像,并输出一对图像信号; 控制单元,其控制在所述聚焦透镜的第一和第二透镜位置处获取来自所述图像传感器的一对图像信号; 转换单元,通过将表示所述一对图像信号的一对图像之间的偏移量乘以转换系数,将所述偏移量转换为散焦量; 以及计算单元,其基于表示在第一和第二透镜位置处获取的一对图像信号的一对图像中的各个图像的位移量以及聚焦透镜从第一透镜位置到第二透镜位置的位移量来计算转换系数 第二个镜头位置。
    • 2. 发明申请
    • FOCUS DETECTION APPARATUS AND FOCUS DETECTION METHOD
    • 聚焦检测装置和聚焦检测方法
    • US20120162493A1
    • 2012-06-28
    • US13325667
    • 2011-12-14
    • Daisuke WakamiyaTakeshi Ogawa
    • Daisuke WakamiyaTakeshi Ogawa
    • H04N5/232
    • H04N5/23212H04N5/3696
    • A focus detection apparatus comprises: an image sensor that receives images that are formed by light that passes through different pupil regions of a photographing optical system including a focus lens, and outputs a pair of image signals; a control unit that controls to acquire a pair of image signals from the image sensor at first and second lens positions of the focus lens; a conversion unit that, by multiplying a shift amount between a pair of images representing the pair of image signals by a conversion coefficient, converts the shift amount to a defocus amount; and a calculation unit that calculates the conversion coefficient based on displacement amounts of respective ones of the pair of images representing the pair of image signals acquired at the first and second lens positions, and a displacement amount of the focus lens from the first lens position to the second lens position.
    • 焦点检测装置包括:图像传感器,其接收由穿过包括聚焦透镜的拍摄光学系统的不同瞳孔区域的光形成的图像,并输出一对图像信号; 控制单元,其控制在所述聚焦透镜的第一和第二透镜位置处获取来自所述图像传感器的一对图像信号; 转换单元,通过将表示所述一对图像信号的一对图像之间的偏移量乘以转换系数,将所述偏移量转换为散焦量; 以及计算单元,其基于表示在第一和第二透镜位置处获取的一对图像信号的一对图像中的各个图像的位移量以及聚焦透镜从第一透镜位置到第二透镜位置的位移量来计算转换系数 第二个镜头位置。
    • 5. 发明授权
    • Image-pickup apparatus and method of controlling the same
    • 摄像装置及其控制方法
    • US08988550B2
    • 2015-03-24
    • US13360113
    • 2012-01-27
    • Hiroyasu KatagawaTakeshi Ogawa
    • Hiroyasu KatagawaTakeshi Ogawa
    • H04N9/73H04N5/225H04N5/235
    • H04N5/2254H04N5/2357
    • An image-pickup apparatus includes an image-pickup element including a plurality of image-pickup pixels configured to photoelectrically convert light from an image-pickup lens and to generate an image of an object, and a plurality of focus detection pixels each configured to receive light which has passed through an area of a part of an exit pupil of the image-pickup lens, a flicker correction value generator configured to generate a flicker correction value for correcting a flicker in an image signal output from the image-pickup pixels, and a flicker corrector configured to correct a flicker in a focus detection signal output from the focus detection pixels based on the flicker correction value.
    • 一种图像拾取装置包括:摄像元件,包括被配置为对来自摄像镜头的光进行光电转换并产生物体的图像的多个摄像像素;以及多个焦点检测像素,每个被配置为接收 已经通过图像拾取透镜的出射光瞳的一部分的区域的光;闪烁校正值发生器,被配置为产生用于校正从摄像像素输出的图像信号中的闪烁的闪烁校正值;以及 闪烁校正器,被配置为基于闪烁校正值来校正从焦点检测像素输出的焦点检测信号中的闪烁。
    • 8. 发明申请
    • IMAGE-PICKUP APPARATUS AND METHOD OF CONTROLLING THE SAME
    • 图像拾取装置及其控制方法
    • US20120200735A1
    • 2012-08-09
    • US13360113
    • 2012-01-27
    • Hiroyasu KatagawaTakeshi Ogawa
    • Hiroyasu KatagawaTakeshi Ogawa
    • H04N9/73
    • H04N5/2254H04N5/2357
    • An image-pickup apparatus includes an image-pickup element including a plurality of image-pickup pixels configured to photoelectrically convert light from an image-pickup lens and to generate an image of an object, and a plurality of focus detection pixels each configured to receive light which has passed through an area of a part of an exit pupil of the image-pickup lens, a flicker correction value generator configured to generate a flicker correction value for correcting a flicker in an image signal output from the image-pickup pixels, and a flicker corrector configured to correct a flicker in a focus detection signal output from the focus detection pixels based on the flicker correction value.
    • 一种图像拾取装置包括:摄像元件,包括被配置为对来自摄像镜头的光进行光电转换并产生物体的图像的多个摄像像素;以及多个焦点检测像素,每个被配置为接收 已经通过图像拾取透镜的出射光瞳的一部分的区域的光;闪烁校正值发生器,被配置为产生用于校正从摄像像素输出的图像信号中的闪烁的闪烁校正值;以及 闪烁校正器,被配置为基于闪烁校正值来校正从焦点检测像素输出的焦点检测信号中的闪烁。