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    • 6. 发明授权
    • White balance adjustment apparatus
    • 白平衡调节装置
    • US5481302A
    • 1996-01-02
    • US349955
    • 1994-12-06
    • Yasutoshi YamamotoMasayuki YoneyamaTsutomu Mori
    • Yasutoshi YamamotoMasayuki YoneyamaTsutomu Mori
    • H04N9/04H04N9/73
    • H04N9/735
    • A white balance adjustment apparatus for adjusting red, green and blue video signals of an aiming subject has amplifiers for amplifying the R, G, B video signals, respectively, a brightness detector for detecting the brightness of the subject, and a mode selector for selecting either an outdoor lighting mode or an indoor lighting mode in accordance with the brightness detected by the brightness detector. A white detector is provided for receiving the R, G, B video signals for each pixel and detecting a pixel with R, G, B video signals that falls in a narrow white range when the outdoor lighting mode is selected, and in a wide white range when the indoor lighting mode is selected. An integrator integrates the number of detected pixels in the white range. A white balance gain control controls the gain of the amplifiers based on the integrated result of the integrator.
    • 用于调整瞄准对象的红色,绿色和蓝色视频信号的白平衡调节装置具有用于分别放大R,G,B视频信号的放大器,用于检测被摄体的亮度的亮度检测器,以及用于选择 根据由亮度检测器检测到的亮度,是户外照明模式或室内照明模式。 提供白色检测器,用于接收每个像素的R,G,B视频信号,并且当选择室外照明模式时检测落在窄白色范围内的R,G,B视频信号的像素,并且以宽白色 选择室内照明模式时的范围。 积分器将检测到的像素数量整合在白色范围内。 白平衡增益控制器根据积分器的积分结果控制放大器的增益。
    • 9. 发明授权
    • Image capture device with low-frequency noise suppression
    • 具有低频噪声抑制的图像捕获设备
    • US07956907B2
    • 2011-06-07
    • US11843310
    • 2007-08-22
    • Yukihiro TanizoeYoshimasa OkabeYuuji ShigetaYasutoshi Yamamoto
    • Yukihiro TanizoeYoshimasa OkabeYuuji ShigetaYasutoshi Yamamoto
    • H04N5/262
    • H04N5/357H04N5/23296
    • An image capture device which can reduce low-frequency noise even circuitry of a small scale is provided. An image capture device includes: an acquisition section which is used to acquire sensitivity information concerning a sensitivity; an imager for generating first image data; a zoom section for changing a size of an image which is based on input image data, the zoom section outputting second image data which is obtained by reducing a size of an image represented by the first image data; and a noise suppression section for outputting third image data which is obtained by reducing noise in an image represented by the second image data. In accordance with the sensitivity information, the zoom section changes a zoom factor by which to reduce the size of the image represented by the first image data.
    • 提供了即使是小规模的电路也能够降低低频噪声的图像捕获装置。 图像捕获装置包括:获取部,用于获取关于灵敏度的灵敏度信息; 用于产生第一图像数据的成像器; 变焦部分,用于改变基于输入图像数据的图像的尺寸,所述变焦部分输出通过减小由所述第一图像数据表示的图像的尺寸而获得的第二图像数据; 以及噪声抑制部分,用于输出通过减少由第二图像数据表示的图像中的噪声而获得的第三图像数据。 根据灵敏度信息,变焦部分改变缩放因子,由此缩小由第一图像数据表示的图像的大小。