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    • 1. 发明授权
    • Imaging device and method to correct the focus detection pixels using peripheral standard pixels and correcting defective peripheral standard pixels as well if found
    • 使用外围标准像素校正焦点检测像素并校正有缺陷的外围标准像素的成像装置和方法以及如果发现
    • US08767117B2
    • 2014-07-01
    • US13634686
    • 2011-05-19
    • Takeshi MiyashitaTomoyuki Kawai
    • Takeshi MiyashitaTomoyuki Kawai
    • H04N5/232G03B13/00
    • H04N5/3675H04N5/23212H04N5/3696H04N9/045H04N2201/0084
    • Pixel values of focus detection pixels are suitably corrected according to reducing occurrence of a residual error of correction. A digital camera ii includes a CCD, an AF detection circuit, a specific pixel correction unit and the like. The CCD has standard pixels and phase difference pixels arranged in a predetermined pattern on an imaging surface, and outputs an image signal of one frame. The AF detection circuit evaluates an in-focus state by referring to a pixel value of the phase difference pixels from the image signal. The specific pixel correction unit determines a first correction value by multiplying the pixel value of the phase difference pixels by a predetermined gain, and compares the first correction value with the pixel value of the standard pixels around the phase difference pixels. If the first correction value is equal to or less than the maximum of those pixel values and equal to or more than their minimum, the pixel values of the phase difference pixels are replaced with the first correction value. Otherwise, the pixel values of the phase difference pixels are replaced with a second correction value obtained by averaging the pixel values of peripheral pixels.
    • 根据校正的残差误差的减少,适当地校正焦点检测像素的像素值。 数码相机ii包括CCD,AF检测电路,特定像素校正单元等。 CCD具有以成像表面上的预定图案排列的标准像素和相位差像素,并且输出一帧的图像信号。 AF检测电路通过参考图像信号中的相位差像素的像素值来评估对焦状态。 特定像素校正单元通过将相位差像素的像素值乘以预定增益来确定第一校正值,并将第一校正值与相位差像素周围的标准像素的像素值进行比较。 如果第一校正值等于或小于那些像素值的最大值并且等于或大于其最小值,则相位差像素的像素值被替换为第一校正值。 否则,通过对周边像素的像素值进行平均而获得的第二校正值来代替相位差像素的像素值。
    • 2. 发明授权
    • Image pickup apparatus for accurately correcting data of sub-images produced by a solid-state image sensor into a complete image
    • 用于将由固态图像传感器产生的子图像的数据精确校正为完整图像的图像拾取装置
    • US07768677B2
    • 2010-08-03
    • US11711664
    • 2007-02-28
    • Tomoyuki Kawai
    • Tomoyuki Kawai
    • H04N1/04
    • H04N5/37213H04N5/361H04N5/3653
    • A solid-state image sensor produces an image including plural sub-images, which are rapidly read out and outputted via output circuits. The image sensor has its imaging surface divided into corresponding plural sub-areas producing image data, which is transferred by the horizontal transfer path in both left and right directions and outputted from the output circuits, whose amplifier characteristics are determined as follows. Optical black (OB) data from an OB area on the imaging surface is transferred in the left direction by the horizontal transfer path and outputted from one output circuit as total OB data. OB data is transferred by the horizontal transfer path in both left and right direction and outputted from the output circuits as left and right OB data. An output circuit characteristics determiner uses the total, and left and right OB data to determine the amplifier characteristics of the output circuits.
    • 固态图像传感器产生包括通过输出电路快速读出并输出的多个子图像的图像。 图像传感器的成像表面被划分成相应的多个子区域,产生图像数据,该图像数据由水平传输路径在左右两方向传送并从输出电路输出,其放大器特性如下确定。 成像表面上的OB区域的光学黑(OB)数据通过水平传送路径在左方向传送,并从一个输出电路作为总OB数据输出。 OB数据由水平传输路径在左右方向传送,并从输出电路输出为左右OB数据。 输出电路特性确定器使用总和左和右OB数据来确定输出电路的放大器特性。
    • 6. 发明授权
    • Image pickup device for wide dynamic range at a high frame rate
    • 图像拾取装置,以高帧速率进行宽动态范围
    • US08300131B2
    • 2012-10-30
    • US12980647
    • 2010-12-29
    • Tomoyuki KawaiYasunari Kato
    • Tomoyuki KawaiYasunari Kato
    • H04N5/335H04N3/14
    • G03B7/091H04N5/35554H04N5/372H04N9/045
    • An image pickup device includes an image sensing device and a driving unit. The image sensing device includes a first pixel group and a second pixel group. The first pixel group includes a plurality of pixels arranged as a two-dimensional array in a semiconductor substrate surface portion that receives incidence light from a subject. The second pixel group includes a plurality of pixels arranged as a two-dimensional array in the semiconductor substrate surface portion in an area overlapping the first pixel group while the pixels in the first pixel group do not disposed in the same positions as the pixels in the second pixel group. The driving unit outputs a picked-up image signal of one frame from the first pixel group exposed over one vertical synchronizing time period for each vertical synchronizing signal.
    • 图像拾取装置包括图像感测装置和驱动单元。 图像感测装置包括第一像素组和第二像素组。 第一像素组包括在接收来自被摄体的入射光的半导体衬底表面部分中排列为二维阵列的多个像素。 第二像素组包括在与第一像素组重叠的区域中的半导体衬底表面部分中排列为二维阵列的多个像素,而第一像素组中的像素不位于与第一像素组中的像素相同的位置 第二像素组。 驱动单元从针对每个垂直同步信号的一个垂直同步时间周期暴露的第一像素组输出一帧的拾取图像信号。
    • 7. 发明授权
    • Digital still camera and method of controlling image combination
    • 数码相机及图像组合控制方法
    • US08081220B2
    • 2011-12-20
    • US12167019
    • 2008-07-02
    • Tomoyuki Kawai
    • Tomoyuki Kawai
    • H04N5/228
    • H04N5/2353H04N5/23248H04N5/2327H04N5/2356H04N5/243
    • A solid-state electronic image sensing device senses the image of a subject repeatedly for an exposure time over which camera shake is thought not to occur, and repeatedly outputs image data representing the image of the subject. A combining device generates one frame of a combined image obtained by combining the image of the subject represented by image data that has been output from the solid-state electronic image sensing device with the image of the subject represented by image data that was output from the solid-state electronic image sensing device by an immediately preceding image sensing operation, in such a manner that the images of the subject coincide. A combining control device controls the combining device so as to repeatedly execute processing for generating one frame of a combined image updated by combining the combined image, which is the result of combination by the combining device, with the image of the subject represented by image data that has been output from the solid-state electronic image sensing device, in such a manner that the images coincide.
    • 固态电子图像感测装置在相机抖动被认为不发生的曝光时间反复感测对象的图像,并且重复地输出表示被摄体的图像的图像数据。 组合装置生成通过将从固态电子图像感测装置输出的图像数据所表示的被摄体的图像与由从固态电子图像感测装置输出的图像数据表示的被摄体的图像组合而获得的组合图像的一帧 固体电子图像感测装置通过紧邻的图像感测操作,使得对象的图像一致。 组合控制装置控制组合装置,以便通过将作为组合装置的组合结果的组合图像与由图像数据表示的对象的图像组合来重复执行用于生成组合图像的一帧的处理 已经从固态电子图像感测装置输出,使得图像重合。
    • 8. 发明申请
    • IMAGING DEVICE AND IMAGING APPARATUS
    • 成像装置和成像装置
    • US20110109776A1
    • 2011-05-12
    • US12942387
    • 2010-11-09
    • Tomoyuki KAWAI
    • Tomoyuki KAWAI
    • H04N5/335H01L27/146
    • H01L27/14625H01L27/14627H01L27/1463H01L27/14643H04N5/374
    • An imaging device includes a plurality of pixels each of which includes a microlens, first and second photoelectric conversion portions. The first photoelectric conversion portion is between the microlens and a focal point of the microlens. The second photoelectric conversion portion is at a position being different from that of the focal point on a plane which is parallel to an imaging plane and which contains the focal point, and has a photoelectric conversion region deviated from an optical axis of the microlens in a direction of the imaging plane. The plurality of pixels includes a first pixel group and a second pixel group. The photoelectric conversion region is deviated from the optical axis in the direction in the first pixel group. The photoelectric conversion region is deviated from the optical axis in the direction to be opposite to the first pixel group in the second pixel group.
    • 成像装置包括多个像素,每个像素包括微透镜,第一和第二光电转换部分。 第一光电转换部分在微透镜与微透镜的焦点之间。 第二光电转换部位于与成像面平行且包含焦点的平面上与焦点的位置不同的位置,并具有从微透镜的光轴偏离的光电转换区域 成像平面的方向。 多个像素包括第一像素组和第二像素组。 光电转换区域在第一像素组中的方向上偏离光轴。 光电转换区域在与第二像素组中与第一像素组相反的方向上偏离光轴。
    • 9. 发明申请
    • DIGITAL STILL CAMERA AND METHOD OF CONTROLLING OPERATION OF SAME
    • 数字静态摄像机及其控制方法
    • US20090009614A1
    • 2009-01-08
    • US12167019
    • 2008-07-02
    • Tomoyuki Kawai
    • Tomoyuki Kawai
    • H04N5/228
    • H04N5/2353H04N5/23248H04N5/2327H04N5/2356H04N5/243
    • A solid-state electronic image sensing device senses the image of a subject repeatedly for an exposure time over which camera shake is thought not to occur, and repeatedly outputs image data representing the image of the subject. A combining device generates one frame of a combined image obtained by combining the image of the subject represented by image data that has been output from the solid-state electronic image sensing device with the image of the subject represented by image data that was output from the solid-state electronic image sensing device by an immediately preceding image sensing operation, in such a manner that the images of the subject coincide. A combining control device controls the combining device so as to repeatedly execute processing for generating one frame of a combined image updated by combining the combined image, which is the result of combination by the combining device, with the image of the subject represented by image data that has been output from the solid-state electronic image sensing device, in such a manner that the images coincide.
    • 固态电子图像感测装置在相机抖动被认为不发生的曝光时间反复感测对象的图像,并且重复地输出表示被摄体的图像的图像数据。 组合装置生成通过将从固态电子图像感测装置输出的图像数据所表示的被摄体的图像与由从固态电子图像感测装置输出的图像数据表示的被摄体的图像组合而获得的组合图像的一帧 固体电子图像感测装置通过紧邻的图像感测操作,使得对象的图像一致。 组合控制装置控制组合装置,以便通过将作为组合装置的组合结果的组合图像与由图像数据表示的对象的图像组合来重复执行用于生成组合图像的一帧的处理 已经从固态电子图像感测装置输出,使得图像重合。