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    • 12. 发明授权
    • Image capturing apparatus
    • 图像捕获装置
    • US08059187B2
    • 2011-11-15
    • US12132634
    • 2008-06-04
    • Kenichi Nakajima
    • Kenichi Nakajima
    • H04N5/235H04N5/238H04N5/222G06K9/40
    • H04N5/2352H04N5/23219H04N9/045
    • Appropriate gray level processing is applied to various image data. A digital camera having a grayscale correction function is provided. An AE control section generates a brightness histogram of a preview image which is obtained by a CCD. An exposure correction amount calculation section, based on the brightness histogram which is generated, sets an exposure value which is under an appropriate exposure value in consideration of grayscale correction to be performed by a grayscale correction section. The grayscale correction section applies grayscale correction to each partial region of image data of an image which is captured. The exposure correction amount calculation section varies the exposure value between when a face is included in a subject and when a face is not included in the subject.
    • 对各种图像数据应用适当的灰度级处理。 提供具有灰度校正功能的数码相机。 AE控制部分生成由CCD获得的预览图像的亮度直方图。 曝光校正量计算部,基于生成的亮度直方图,设定考虑由灰度校正部进行的灰度校正的适当的曝光值的曝光值。 灰度校正部分对被捕获的图像的图像数据的每个部分区域应用灰度校正。 曝光校正量计算部分在被摄体中包括脸部和面部不包括在被摄体中之间时的曝光值变化。
    • 13. 发明授权
    • Imaging device
    • 成像设备
    • US07761000B2
    • 2010-07-20
    • US11609953
    • 2006-12-13
    • Kenichi Nakajima
    • Kenichi Nakajima
    • G03B3/00G03B7/087
    • G03B3/00H04N5/23212H04N5/23219H04N5/23245
    • In an imaging device, a photographic scene is automatically determined with high accuracy. Distance information is acquired, through a TTL-AF, from an image signal produced by a CCD. Further, a face recognition circuit detects the face of a person in a subject. An AE-AF-AWB value computing section evaluates the reliability of the distance information acquired through the TTL-AF operation, on the basis of a focal length of a lens, an aperture, and a distance to the subject computed from a distance between eyes included in the detected face. A mode-recognition-and-determination-and mode-selection section automatically determines the photographic scene from the distance information acquired through the TTL-AF operation, the reliability of the distance, and an estimated white balance value.
    • 在成像装置中,以高精度自动确定拍摄场景。 通过TTL-AF从CCD产生的图像信号获取距离信息。 此外,面部识别电路检测被检体内的人的面部。 AE-AF-AWB值计算部分基于透镜的焦距,孔径和从眼睛之间的距离计算的与被摄体的距离来评估通过TTL-AF操作获取的距离信息的可靠性 包含在检测到的脸部。 模式识别和确定和模式选择部分根据通过TTL-AF操作获得的距离信息,距离的可靠性和估计的白平衡值来自动确定摄影场景。
    • 15. 发明申请
    • On-screen display circuit
    • 屏幕显示电路
    • US20060181646A1
    • 2006-08-17
    • US11350732
    • 2006-02-10
    • Takashi YasubaKenichi Nakajima
    • Takashi YasubaKenichi Nakajima
    • H04N5/50
    • H04N9/641
    • The invention relates to a color half tone display for giving a specific hue to a designated region while displaying the original image by a transparent display at the designated region in an on-screen display in a television receiver. A circuit for generating signals of respective colors of RGB by synthesizing a brightness component Y of the original image and chrominance components (R-Y), (G-Y), (B-Y) using an adder 12 is provided with a switch element 10 for restricting an input of the chrominance component to the adder 12. When an I signal designates a half tone display region, the switch element 10 is brought into OFF state based on the I signal. The color half tone display is carried out by attenuating an output signal of the adder 12 by an amplifier 14 for respective signals of RGB, thereafter, shifting a direct current level of a component in accordance with a hue to be added in RGB by a DC shift circuit 16.
    • 本发明涉及一种用于在指定区域中给出特定色调的彩色半色调显示器,同时通过电视接收机中的屏幕显示器上的指定区域处的透明显示屏显示原始图像。 通过使用加法器12合成原始图像的亮度分量Y和色度分量(RY),(GY),(BY)来产生RGB的各种颜色的信号的电路设置有用于限制输入的输入的开关元件10 到加法器12的色度分量。 当I信号指定半色调显示区域时,基于I信号将开关元件10置于OFF状态。 彩色半色调显示是通过放大器14对RGB的相应信号衰减加法器12的输出信号,然后根据要加入RGB的色调将分量的直流电平移位DC 移位电路16。