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    • 1. 发明授权
    • Focusing apparatus
    • 聚焦设备
    • US08866958B2
    • 2014-10-21
    • US13223654
    • 2011-09-01
    • Kazuhiko SugimotoJong-hoon Won
    • Kazuhiko SugimotoJong-hoon Won
    • G03B13/00H04N5/232G03B17/14
    • H04N5/23212G03B17/14
    • A focusing apparatus including a focus lens; a focus lens driving unit that drives the focus lens; an imaging device configured to generate an image signal; a focus evaluation value calculating unit configured to receive an image signal from the imaging device and to calculate a focus evaluation value of a captured image; a difference calculating unit configured to calculate a difference between a current focus evaluation value and a previous focus evaluation value; a first determining unit configured to compare the difference to each of a plurality of threshold values different from each other; a counter configured to count results of comparing the difference to each of the plurality of threshold values and to generate count information; and a second determining unit configured to compare the count information to threshold count information and to determine a target drive direction in which the focus lens is to be driven.
    • 一种聚焦装置,包括聚焦透镜; 驱动聚焦透镜的聚焦透镜驱动单元; 被配置为生成图像信号的成像装置; 焦点评估值计算单元,被配置为从所述成像装置接收图像信号,并计算拍摄图像的聚焦评估值; 差分计算单元,被配置为计算当前焦点评估值和先前焦点评估值之间的差; 第一确定单元,被配置为将所述差异与彼此不同的多个阈值中的每一个进行比较; 计数器,被配置为对与所述多个阈值中的每个阈值进行比较的结果进行计数,并生成计数信息; 以及第二确定单元,被配置为将计数信息与阈值计数信息进行比较,并确定要驱动聚焦透镜的目标驱动方向。
    • 9. 发明授权
    • Digital imaging method and apparatus
    • 数字成像方法和装置
    • US08503872B2
    • 2013-08-06
    • US13008191
    • 2011-01-18
    • Jong-hoon WonMasataka Hamada
    • Jong-hoon WonMasataka Hamada
    • G03B17/00G03B3/00G03B13/00
    • G03B13/36G02B7/102G03B19/12
    • A digital imaging apparatus and method by which an auto-focus (AF) operation may be effectively performed during capture of a moving image. The apparatus performs the AF operation during the capture of the moving image when it is determined that a lens is appropriate for capturing the moving image based on received lens information and stops the AF operation during the capture of the moving image when it is determined that the lens is inappropriate for capturing the moving image. When the lens inappropriate for capturing the moving image is mounted, the AF operation may be performed using an additional switch or a manual-focus (MF) operation may be performed.
    • 可以在拍摄运动图像期间有效地执行自动对焦(AF)操作的数字成像装置和方法。 当确定透镜适合于基于接收到的透镜信息捕获运动图像时,该装置在拍摄运动图像期间执行AF操作,并且当确定运动图像的拍摄期间停止AF操作时 镜头不适合拍摄运动图像。 当安装不适合拍摄运动图像的透镜时,可以使用附加开关执行AF操作,或者可以执行手动对焦(MF)操作。
    • 10. 发明申请
    • FOCUSING APPARATUS
    • 聚焦装置
    • US20120062788A1
    • 2012-03-15
    • US13223654
    • 2011-09-01
    • Kazuhiko SugimotoJong-hoon Won
    • Kazuhiko SugimotoJong-hoon Won
    • H04N5/232
    • H04N5/23212G03B17/14
    • A focusing apparatus including a focus lens; a focus lens driving unit that drives the focus lens; an imaging device configured to generate an image signal; a focus evaluation value calculating unit configured to receive an image signal from the imaging device and to calculate a focus evaluation value of a captured image; a difference calculating unit configured to calculate a difference between a current focus evaluation value and a previous focus evaluation value; a first determining unit configured to compare the difference to each of a plurality of threshold values different from each other; a counter configured to count results of comparing the difference to each of the plurality of threshold values and to generate count information; and a second determining unit configured to compare the count information to threshold count information and to determine a target drive direction in which the focus lens is to be driven.
    • 一种聚焦装置,包括聚焦透镜; 驱动聚焦透镜的聚焦透镜驱动单元; 被配置为生成图像信号的成像装置; 焦点评估值计算单元,被配置为从所述成像装置接收图像信号,并计算拍摄图像的聚焦评估值; 差分计算单元,被配置为计算当前焦点评估值和先前焦点评估值之间的差; 第一确定单元,被配置为将所述差异与彼此不同的多个阈值中的每一个进行比较; 计数器,被配置为对与所述多个阈值中的每个阈值进行比较的结果进行计数,并生成计数信息; 以及第二确定单元,被配置为将计数信息与阈值计数信息进行比较,并确定要驱动聚焦透镜的目标驱动方向。