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    • 55. 发明授权
    • Exposure control device
    • 曝光控制装置
    • US06570620B1
    • 2003-05-27
    • US08483561
    • 1995-06-06
    • Katsuji YoshimuraKitahiro KanedaHideo HommaKunihiko YamadaHirofumi SudaAkihiro Fujiwara
    • Katsuji YoshimuraKitahiro KanedaHideo HommaKunihiko YamadaHirofumi SudaAkihiro Fujiwara
    • G03B700
    • H04N5/2351
    • An exposure control device having a light measuring area setting circuit which sets a light measuring area on an image sensing plane, a discriminating circuit which discriminates from each other varied states of the image sensing plane through video signal parts corresponding to the inside and the outside of the light measuring area and an exposure compensating circuit which compensates the state of exposure to light is arranged to shift the set position of the light measuring area to trace an object's image at least when the exposure compensating circuit is in operation. The operating modes of the device includes a first light measuring mode in which a quantity of light is measured on the basis of the average video signal level of the whole image sensing plane, a second light measuring mode in which the light quantity is measured with weight attached to a video signal part obtained from the inside of the light measuring area, and a third light measuring mode in which the light quantity is measured with weight attached to the video signal of the light measuring area by shifting the light measuring area to trace the object. The three light measuring modes are adaptively switched from one over to another.
    • 一种曝光控制装置,其具有设置图像感测平面上的光测量区域的光测量区域设定电路,通过与内部和外部对应的视频信号部分彼此辨别的判别电路来改变图像感测平面的状态 所述光测量区域和补偿所述曝光状态的曝光补偿电路被布置成至少当所述曝光补偿电路处于操作时,使所述光测量区域的设定位置移动到跟踪物体的图像。 该装置的操作模式包括:第一光测量模式,其中根据整个图像感测平面的平均视频信号电平测量光量;第二光测量模式,其中以重量测量光量 附加到从光测量区域的内部获得的视频信号部分,以及第三光测量模式,其中通过移动光测量区域来测量附加于光测量区域的视频信号的重量的光量,以跟踪 目的。 三种测光模式自适应地从一种切换到另一种。
    • 56. 发明授权
    • Image shake detecting device
    • 图像抖动检测装置
    • US06370330B2
    • 2002-04-09
    • US09360741
    • 1999-07-26
    • Masayoshi SekineToshiyuki NakajimaTakashi KaiKatsuji YoshimuraMasamichi Toyama
    • Masayoshi SekineToshiyuki NakajimaTakashi KaiKatsuji YoshimuraMasamichi Toyama
    • G03B1700
    • H04N5/23283G01S3/7864G03B2217/005G06T7/223G06T2207/10016H04N5/145H04N5/23212H04N5/23248H04N5/23254H04N5/23261H04N5/23287
    • An image shake detecting device for detecting a shake of an image on an image sensing plane on the basis of a video signal output from an image sensor includes detection circuits arranged to detect image displacement in a plurality of areas set on the image sensing plane, and a control microcomputer which makes a discrimination, on the basis of information output from these detection circuits, between a movement of a camera and a solo movement of a photographed object. The device thus accurately makes compensation for an image shake by judging the state of the image on the basis of information output from these detection circuits. The image shake detecting device further includes a computing circuit arranged to compute a quantity of an image shake on the basis of a difference in detecting timing of a feature point of the image and a sensitivity control circuit arranged to change the detection sensitivity of the shake detection circuits. Further disclosed is an object tracing device to which the invented image shake detecting device is applied.
    • 一种图像抖动检测装置,用于根据从图像传感器输出的视频信号,检测图像在图像感测平面上的抖动,包括:检测电路,被布置成检测设置在图像感测平面上的多个区域中的图像位移;以及 基于从这些检测电路输出的信息,在相机的移动和拍摄对象的独奏运动之间进行判别的控制微计算机。 因此,通过基于从这些检测电路输出的信息判断图像的状态,因此能够精确地补偿图像抖动。 图像抖动检测装置还包括:计算电路,被配置为基于图像的特征点的检测定时的差异来计算图像抖动的量;以及灵敏度控制电路,其被设置为改变抖动检测的检测灵敏度 电路。 进一步公开了应用本发明的图像抖动检测装置的对象追踪装置。