FOCUS DETECTION DEVICE AND IMAGE-CAPTURING APPARATUS

    公开(公告)号:US20190215441A1

    公开(公告)日:2019-07-11

    申请号:US16355000

    申请日:2019-03-15

    Inventor: Naoyuki OHNISHI

    Abstract: A focus detection device includes: a sensor outputting a pair of focus detection signal sequences, each of which being made of a plurality of focus detection signals; a difference calculation unit obtaining a plurality of differences by sequentially calculating differences between focus detection signals corresponding to each other in the pair of focus detection signal sequences; a division unit dividing the pair of focus detection signal sequences into at least two pairs of partial signal sequences based on the plurality of differences; a focus detection parameter calculation unit calculating a first focus detection parameter according to a phase difference amount of a first pair of partial signal sequences and a second focus detection parameter in accordance with a phase difference amount of a second pair of partial signal sequences; and a focus adjustment parameter determination unit determining either the first or second focus detection parameters, as a focus adjustment parameter.

    Photoelectric converter, focus detection apparatus, and optical apparatus which are used for autofocusing

    公开(公告)号:US09857220B2

    公开(公告)日:2018-01-02

    申请号:US15093989

    申请日:2016-04-08

    Inventor: Takashi Ichimiya

    CPC classification number: G01J1/44 G01J2001/446 G02B7/28 G02B7/346 H04N5/35509

    Abstract: A photoelectric converter includes a photoelectric conversion portion (PD) which receives light from an object to generate charges, a transfer portion (MTX) which transfers the charges generated by the photoelectric conversion portion, a capacitance portion (Cfd, Cs) which accumulates the charges transferred from the transfer portion, a determination unit (109) which determines whether an accumulation of the charges in the capacitance portion is to be stopped based on a signal corresponding to a charge amount accumulated in the capacitance portion during a first time period, and a setting unit (ST) which sets a height of a potential barrier in the transfer portion (transfer channel region), and the setting unit changes the height of the potential barrier in the transfer portion between the first time period and a second time period different from the first time period.

    FOCUSING CONTROL DEVICE, FOCUSING CONTROL METHOD, FOCUSING CONTROL PROGRAM, LENS DEVICE, AND IMAGING DEVICE

    公开(公告)号:US20170237895A1

    公开(公告)日:2017-08-17

    申请号:US15584031

    申请日:2017-05-02

    Inventor: Hitoshi SAKURABU

    Abstract: A focusing control device includes a phase difference calculation unit 11a which calculates the phase difference between a signal group output from a plurality of pixels 52A for phase difference detection and a signal group output from a plurality of pixels 52B for phase difference detection, a lens drive control unit 11c which drives a focus lens according to a drive amount corresponding to the phase difference, and a phase difference prediction unit 11b which calculates a predicted value of a phase difference at a time t(n+1) based on a coefficient a(n) for converting a phase difference calculated at a time t(n) to a drive amount and the difference Δm(n+1) between a movement amount of the focus lens from the time t(n) at the time t(n+1) after the focus lens starts to move according to the drive amount and the drive amount.

    CONTROL APPARATUS, IMAGE PICKUP APPARATUS, AND CONTROL METHOD FOR PERFORMING NOISE CORRECTION OF IMAGING SIGNAL
    6.
    发明申请
    CONTROL APPARATUS, IMAGE PICKUP APPARATUS, AND CONTROL METHOD FOR PERFORMING NOISE CORRECTION OF IMAGING SIGNAL 审中-公开
    控制装置,图像拾取装置和用于执行成像信号噪声校正的控制方法

    公开(公告)号:US20170064226A1

    公开(公告)日:2017-03-02

    申请号:US15245705

    申请日:2016-08-24

    Abstract: A control apparatus (106) includes an acquirer (106a) which acquires a first imaging signal that is read in a first mode from a first pixel area of an image sensor and a second imaging signal that is read in a second mode from a second pixel area of the image sensor, the image sensor including a plurality of photoelectric converters corresponding to a single microlens, and an image processor (106b) which performs noise reduction processing on the first and second imaging signals, the first mode is a mode in which pixel signals of photoelectric converters are added to each other to he read from the image sensor, and the second mode is a mode in which a pixel signal of at least one of the photoelectric converters is read independently as a predetermined signal.

    Abstract translation: 控制装置(106)包括获取器(106a),其获取从图像传感器的第一像素区域以第一模式读取的第一成像信号和从第二像素以第二模式读取的第二成像信号 图像传感器的区域,图像传感器包括对应于单个微透镜的多个光电转换器,以及对第一和第二成像信号执行降噪处理的图像处理器(106b),第一模式是像素 光电转换器的信号彼此相加以从图像传感器读取,并且第二模式是其中至少一个光电转换器的像素信号被独立地读取为预定信号的模式。

    Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair
    7.
    发明授权
    Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair 有权
    图像感测装置,图像感测系统和使用图像信号对检测透镜的焦点位置的焦点检测方法

    公开(公告)号:US09560258B2

    公开(公告)日:2017-01-31

    申请号:US14279546

    申请日:2014-05-16

    Inventor: Ryo Yamasaki

    Abstract: An image sensing apparatus including: an image sensor including a plurality of focus detection pixel pairs that perform photoelectric conversion on each pair of light beams that have passed through different regions of a photographing lens and output an image signal pair; a flash memory that stores shift information on relative shift between an optical axis of the photographing lens and a central axis of the focus detection pixel pairs; a correction unit that corrects a signal level of the image signal pair based on the shift information and exit pupil information of the photographing lens so as to compensate for an unbalanced amount of light that enters each of the focus detection pixel pairs; and a focus detection unit that detects a focus of the photographing lens using the image signal pair corrected by the correction unit.

    Abstract translation: 一种图像感测装置,包括:图像传感器,包括:多个焦点检测像素对,其对通过拍摄镜头的不同区域的每对光束执行光电转换并输出图像信号对; 闪存,其存储关于拍摄镜头的光轴与焦点检测像素对的中心轴之间的相对移动的移位信息; 校正单元,其基于所述拍摄镜头的移动信息和出射光瞳信息来校正所述图像信号对的信号电平,以补偿进入每个所述焦点检测像素对的不平衡量; 以及焦点检测单元,其使用由校正单元校正的图像信号对来检测拍摄镜头的焦点。

    Imaging sensor capable of detecting phase difference of focus
    8.
    发明授权
    Imaging sensor capable of detecting phase difference of focus 有权
    能够检测焦点相位差的成像传感器

    公开(公告)号:US09538067B2

    公开(公告)日:2017-01-03

    申请号:US14600426

    申请日:2015-01-20

    Inventor: Masataka Hamada

    CPC classification number: H04N5/23212 G02B7/346 G02B7/36 H04N5/3696 H04N9/045

    Abstract: An imaging device including 2-dimensionally arranged pixels for receiving light is provided. The imaging device includes a first area configured to detect a horizontal phase difference based on horizontal phase difference information obtained from pixels configured to detect the horizontal phase difference, a second area configured to detect a vertical phase difference based on vertical phase difference information obtained from pixels configured to detect the vertical phase difference, and a third area configured to detect horizontal and vertical phase differences based on horizontal phase difference information and vertical phase difference information obtained from pixels configured to detect the horizontal and vertical phase differences, wherein the first area is adjacent to a horizontal border of the third area, wherein the second area is adjacent to a vertical border of the third area, and wherein the third area is located at a center of the imaging device.

    Abstract translation: 提供了包括用于接收光的二维排列的像素的成像装置。 成像装置包括:第一区域,被配置为基于从被配置为检测水平相位差的像素获得的水平相位差信息来检测水平相位差;第二区域,被配置为基于从像素获得的垂直相位差信息来检测垂直相位差 被配置为检测垂直相位差,以及第三区域,被配置为基于从被配置为检测水平和垂直相位差的像素获得的水平相位差信息和垂直相位差信息来检测水平和垂直相位差,其中第一区域是相邻的 到第三区域的水平边界,其中第二区域与第三区域的垂直边界相邻,并且其中第三区域位于成像设备的中心。

    Image processing device, imaging device, computer readable medium and image processing method
    9.
    发明授权
    Image processing device, imaging device, computer readable medium and image processing method 有权
    图像处理装置,成像装置,计算机可读介质和图像处理方法

    公开(公告)号:US09485430B2

    公开(公告)日:2016-11-01

    申请号:US14576213

    申请日:2014-12-19

    Inventor: Kazuki Inoue

    Abstract: An image processing device includes a generation unit that generates a first display image on the basis of image signals from an imaging element that includes first and second pixel groups at which a subject image is pupil-divided and formed, and a second display image to be used for focus confirmation; a parallax calculation unit that calculates a parallax between pixels of a first image and pixels of a second image; a display unit that displays images; and a display control unit, wherein the generation unit generates the second display image by arranging the first divided image, which is a first image part, and the second divided image, which is the second image excluding regions corresponding to the first divided image, to be shifted by amounts corresponding to the parallax in opposing directions in an intersectional direction intersecting a division direction.

    Abstract translation: 图像处理装置包括:生成单元,其基于来自成像元件的图像信号生成第一显示图像,所述成像元件包括被分割和形成被摄体图像的第一和第二像素组,第二显示图像为 用于焦点确认; 视差计算单元,计算第一图像的像素与第二图像的像素之间的视差; 显示图像的显示单元; 以及显示控制单元,其中生成单元通过将作为第一图像部分的第一分割图像和除了对应于第一分割图像的区域之外的第二图像的第二分割图像排列成第二显示图像, 在与分割方向交叉的交叉方向上相对于视差相反的量移位。

    Focus detection apparatus, method for controlling the same and image capturing apparatus
    10.
    发明授权
    Focus detection apparatus, method for controlling the same and image capturing apparatus 有权
    焦点检测装置,其控制方法和图像捕获装置

    公开(公告)号:US09380247B2

    公开(公告)日:2016-06-28

    申请号:US14665409

    申请日:2015-03-23

    Inventor: Takashi Ichimiya

    Abstract: A focus detection apparatus comprises a plurality of sensor groups, each comprising a plurality of sensors, each including a photoelectric converter and a storage portion, and controls part of the sensor groups according to a first accumulation method, in which charge generated by a photoelectric converter is accumulated in itself, and to a second accumulation method, in which charge generated by a photoelectric converter is accumulated in a storage portion. A sensor group corresponding to a selected focus detection area is controlled according to the first accumulation method, and a sensor group adjacent to the sensor group controlled according to the first accumulation method is controlled according to the second accumulation method. A monitor unit monitors a signal level of the charge stored in the storage portion corresponding to the photoelectric converter controlled according to the second accumulation method.

    Abstract translation: 焦点检测装置包括多个传感器组,每个传感器组包括多个传感器,每个传感器包括光电转换器和存储部分,并且根据第一累积方法控制传感器组的一部分,其中由光电转换器产生的电荷 以及由光电转换器产生的电荷积聚在存储部分中的第二累积方法。 根据第一累积方法控制对应于所选择的焦点检测区域的传感器组,并且根据第二累积方法来控制与根据第一累积方法控制的传感器组相邻的传感器组。 监视器单元监视与根据第二累积方法控制的光电转换器对应的存储部分中存储的电荷的信号电平。

Patent Agency Ranking