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    • 5. 发明申请
    • Method of controlling mechanical shutter
    • 控制机械快门的方法
    • US20100045851A1
    • 2010-02-25
    • US12461674
    • 2009-08-20
    • Eugene SavastyukYeong Hyo JeongWon Tae ChoiKeun Woo Park
    • Eugene SavastyukYeong Hyo JeongWon Tae ChoiKeun Woo Park
    • H04N5/235G03B9/08
    • G03B9/08G03B7/10H04N5/2253H04N5/2257H04N5/2353
    • There is provided a method of controlling a mechanical shutter that can ensure faster shutter speed by preventing a reduction of the shutter speed of the mechanical shutter caused by signal loss and physical loss caused by inertia. A method of controlling a mechanical shutter according to an aspect of the invention may include performing a row reset operation to remove image information remaining in an image sensor according to input of a trigger event generated by a user to acquire an image; transmitting a shutter close operation start signal for a mechanical shutter to the mechanical shutter before the row reset operation ends after a predetermined delay time from a time when the row reset operation starts; exposing the imager sensor right after the row reset operation ends; and fully closing the mechanical shutter.
    • 提供了一种控制机械快门的方法,其通过防止由信号损失和由惯性引起的物理损失引起的机械快门的快门速度的降低来确保更快的快门速度。 根据本发明的一个方面的控制机械快门的方法可以包括执行行重置操作以根据由用户产生的触发事件的输入来去除图像传感器中剩余的图像信息以获取图像; 在行复位操作开始之后的预定延迟时间之后,在行复位操作结束之前,向机械快门发送用于机械快门的快门关闭操作开始信号; 在行复位操作结束后立即曝光成像器传感器; 并完全关闭机械快门。
    • 6. 发明授权
    • Apparatus for automatically controlling exposure of image sensor
    • 用于自动控制图像传感器曝光的装置
    • US07668452B2
    • 2010-02-23
    • US11808751
    • 2007-06-12
    • Keun Woo ParkBong Soon KangJoo Hyun KimHyun Sik KimKang Joo KimTae Eung Kim
    • Keun Woo ParkBong Soon KangJoo Hyun KimHyun Sik KimKang Joo KimTae Eung Kim
    • G03B7/00
    • G03B7/093
    • An automatic exposure control apparatus employed by an image sensor module including a lens unit, an image sensing unit having a shutter, and an image signal processing unit, the apparatus including: a brightness calculator extracting average brightness of a image signal; a brightness adjustment determiner determining whether to fix or adjust a speed of the shutter based on the average brightness; an adjustment path controller controlling the speed of the shutter by using the brightness error; a digital filter filtering the brightness error; a shutter speed adjuster adjusting a present shutter speed value by using one of the brightness error and the filtered brightness; and a shutter speed controller controlling a speed of the shutter by using the adjusted shutter speed value.
    • 一种由包括透镜单元,具有快门的图像感测单元和图像信号处理单元的图像传感器模块采用的自动曝光控制设备,所述设备包括:亮度计算器,提取图像信号的平均亮度; 亮度调节确定器,基于平均亮度确定是否固定或调节快门的速度; 调节路径控制器,通过使用亮度误差来控制快门的速度; 数字滤波器过滤亮度误差; 快门速度调节器,通过使用亮度误差和滤波亮度之一来调节当前快门速度值; 以及快门速度控制器,通过使用调节的快门速度值来控制快门的速度。
    • 7. 发明申请
    • Apparatus and method for automatically adjusting white balance
    • 白平衡自动调节装置及方法
    • US20080292184A1
    • 2008-11-27
    • US11984309
    • 2007-11-15
    • Keun Woo ParkWon Tae ChoiTae Eung Kim
    • Keun Woo ParkWon Tae ChoiTae Eung Kim
    • G06K9/00H04N9/73
    • H04N9/73G06T5/009G06T5/40H04N9/735
    • Provided is an apparatus for automatically adjusting white balance, the apparatus including an Image Signal Processing (ISP) unit that processes image data; a first histogram setting unit that is connected to the ISP unit, stores the number of pixels corresponding to each Cb and Cr value of the image data applied from the ISP unit so as to set a first histogram, and sets an effective range of the first histogram; a second histogram setting unit that is connected to the first histogram setting unit, subdivides the first histogram included in the effective range so as to set a second histogram, and applies a weight to the second histogram; and a lean setting unit that is connected to the second histogram setting unit, applies preset lean values to the second histogram, to which the weight has been applied, so as to calculate a lean correction value, and delivers the calculated correction value to the ISP unit.
    • 提供了一种用于自动调整白平衡的装置,该装置包括处理图像数据的图像信号处理(ISP)单元; 连接到ISP单元的第一直方图设置单元存储与从ISP单元应用的图像数据的每个Cb和Cr值相对应的像素数,以设置第一直方图,并且设置第一直方图的有效范围 直方图 连接到第一直方图设置单元的第二直方图设置单元,将包括在有效范围内的第一直方图进行细分,以便设置第二直方图,并对第二直方图应用权重; 以及连接到第二直方图设定单元的稀薄设定单元,将预先设定的稀薄值应用于已经被应用了权重的第二直方图,以便计算精益校正值,并将计算的校正值传送到ISP 单元。