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    • 84. 发明公开
    • 오토 포커스
    • 自动对焦
    • KR1020080097485A
    • 2008-11-05
    • KR1020087023358
    • 2007-03-14
    • 노키아 코포레이션
    • 믹카넨야르노
    • G02B7/28G02B7/00
    • G02B7/287G02B7/36G03B13/34H04N5/23212
    • A device, method and a computer program product are shown for correcting the focus error in an optical device, wherein in a first position of the optical device at least one focus detector is focused onto a given image plane of the target subject and the distance (d1) between the optical device and the given image plane is locked and wherein in a second position of the optical device following a reorientation of the optical device for achieving the desired framing of the image the shutter is released, the method comprising sensing a distance vector parallel to the focus plane after reorientation between the first position and the second position after reorientation, calculating a focus correction value (de) from the sensed distance vector and adding the focus correction value (de) as a corrective to the locked focus distance (d1).
    • 示出了用于校正光学装置中的聚焦误差的装置,方法和计算机程序产品,其中在光学装置的第一位置中,至少一个焦点检测器被聚焦到目标对象的给定图像平面上,并且距离( 在光学装置和给定的图像平面之间的d1)被锁定,并且其中在光学装置的第二位置跟随光学装置的重新定向以实现图像的期望的构图,快门被释放,该方法包括感测距离矢量 在重新定向后在第一位置和第二位置之间重新定向之后平行于聚焦平面,从感测的距离矢量计算聚焦校正值(de),并将聚焦校正值(de)作为校正值添加到锁定的聚焦距离(d1 )。
    • 85. 发明公开
    • 촬상 장치 및 촬상 방법
    • 摄影装置和摄影方法
    • KR1020080063009A
    • 2008-07-03
    • KR1020070026780
    • 2007-03-19
    • 삼성전자주식회사
    • 하마무라토시히로타나카토시유키
    • G03B13/32G02B7/04H04N5/232
    • G03B13/36G02B7/102G02B7/36
    • A photographing apparatus and method are provided to increase convenience in changing modes by performing focus adjustment automatically at the state that a user does not recognize. A photographing apparatus includes a focusing detector(156), a planar object determinator(158), a planar object focus positioning unit, and a solid object focus positioning unit. The focusing detector detects automatic focusing value from first and second focusing detection areas. The planar object determinator determines if an object is planar or not based on the automatic focusing value. The planar object focus positioning unit calculates a final focus position based on the automatic focusing values from both the first and second focusing detection areas for a planar object. The solid object focus positioning unit calculates a final focus position based on the automatic focusing values from the first focusing detection area only for a solid object.
    • 提供了一种摄影装置和方法,以通过在用户不能识别的状态下自动执行对焦调整来增加改变模式的便利性。 拍摄装置包括聚焦检测器(156),平面物体确定器(158),平面物体聚焦定位单元和固体物体聚焦定位单元。 聚焦检测器检测来自第一和第二聚焦检测区域的自动聚焦值。 平面对象确定器基于自动对焦值来确定对象是否是平面的。 平面物体聚焦定位单元基于来自平面物体的第一和第二聚焦检测区域的自动聚焦值来计算最终聚焦位置。 固体物体聚焦定位单元仅基于固体物体从第一聚焦检测区域基于自动聚焦值计算最终聚焦位置。
    • 86. 发明公开
    • 촬상 장치 및 촬상 제어 방법
    • 图像拾取装置和图像拾取控制方法
    • KR1020070113973A
    • 2007-11-29
    • KR1020070044287
    • 2007-05-07
    • 소니 주식회사
    • 히가시노후미노부
    • H04N5/232H04N5/235
    • G02B7/36H04N5/23212H04N5/2353
    • A photographing device and a method for controlling the same are provided to realize auto focusing by allowing a focus lens to be moved into a specific fixture position in which the maximum value of the contrast signal is obtained. A photographing device that performs focusing using a contrast signal obtained by detecting image data corresponding to an image of an object photographed for the first exposure time while moving a focus lens. The photographing device includes a RAM(Random Access Memory)(35), an accumulator, and a controller(37). The RAM memorizes a contrast signal corresponding to the position of a focus lens. The accumulator applies the memorized signal to the position of a focus lens. The controller moves the focus lens to the position of the focus lens in which the maximum value of the contrast signal is obtained.
    • 提供了一种拍摄装置及其控制方法,用于通过使聚焦透镜移动到获得对比度信号的最大值的特定固定位置来实现自动对焦。 一种拍摄装置,其使用通过检测与移动聚焦透镜时的第一曝光时间拍摄的物体的图像相对应的图像数据而获得的对比度信号进行聚焦。 拍摄装置包括RAM(随机存取存储器)(35),累加器和控制器(37)。 RAM存储与聚焦透镜的位置对应的对比度信号。 累加器将存储的信号施加到聚焦透镜的位置。 控制器将聚焦透镜移动到获得对比度信号的最大值的聚焦透镜的位置。
    • 87. 发明公开
    • 디지털 영상 처리 장치에서 가변적인 노이즈 레벨을사용하는 자동 포커싱 방법
    • 在数字图像处理设备中使用可变噪声水平的自动聚焦方法
    • KR1020070062151A
    • 2007-06-15
    • KR1020050121904
    • 2005-12-12
    • 삼성전자주식회사
    • 복영수정재효
    • H04N5/232
    • G02B7/36
    • An auto-focusing method using a variable noise level in a digital image processor is provided to maintain a high focusing accuracy and speed even when the intensity of illumination of a region where an image is captured is low. An auto-focusing method in a digital image processor includes an initialization step and a search step. In the initialization step, a reference noise level is set when the intensity of illumination of a region where an image is captured is greater than a reference value, and a noise level varying with the intensity of illumination is set when the intensity of illumination of the region is lower than the reference value. In the search step, a focus lens is moved in stages within a set area and focus values with respect to positions of the moved focus lens are calculated, and a maximum focus value of the set area is detected from the calculated focus values. When the focus values are calculated, the noise level is subtracted from pixel data greater than the noise level and pixel data of the subtraction result is used.
    • 提供一种在数字图像处理器中使用可变噪声电平的自动聚焦方法,以便即使当拍摄图像的区域的照明强度低时也能保持高的聚焦精度和速度。 数字图像处理器中的自动聚焦方法包括初始化步骤和搜索步骤。 在初始化步骤中,当拍摄图像的区域的照明强度大于参考值时,设置参考噪声电平,并且当照射强度随着照明强度而变化时,设定随着照明强度变化的噪声电平 区域低于参考值。 在搜索步骤中,聚焦透镜在设定区域内分阶段移动,并且计算相对于移动的聚焦透镜的位置的聚焦值,并且根据计算的聚焦值检测设定区域的最大聚焦值。 当计算焦点值时,从大于噪声电平的像素数据中减去噪声电平,并使用减法结果的像素数据。
    • 88. 发明公开
    • 렌즈 포커싱 장치 및 방법
    • 镜头聚焦装置和方法
    • KR1020070047445A
    • 2007-05-07
    • KR1020050104194
    • 2005-11-02
    • 삼성전기주식회사
    • 이승희이국형윤상훈
    • G03B3/10
    • G03B3/10G02B7/08G02B7/102G02B7/36G03B13/36H04N5/23212
    • 이미지 센서 모듈(Image Sensor Module)에 포함되는 렌즈의 포커싱(focusing) 공정을 자동화하는 방법에 있어서, (a) 소정 간격 단위로 상기 렌즈의 초점 구간 및 상기 렌즈에 의해 나타나는 영상의 중심 영역을 설정하는 단계; (b) 상기 이미지 센서 모듈 내에 상기 렌즈의 위치를 상기 초점 구간에 따라 변화시키는 단계; (c) 변화되는 상기 렌즈의 위치에 따른 상기 중심 영역 내의 연산값과 상기 이미지 센서 모듈의 기준값을 비교하는 단계; 및 (d) 상기 단계 (c)에서의 비교 결과에 따라 선택된 상기 초점 구간 내에 상기 렌즈를 고정시키는 단계를 포함하는 이미지 센서 모듈에서의 렌즈 포커싱 방법 및 렌즈 포커싱 장치에 관한 것이다. 작업자에 따라 다양하게 나타나는 이미지 센서 모듈의 해상력에 있어서 품질의 산포를 줄일 수 있고, 명확한 기준값(유사성을 이용한 비교)을 가지고 포커싱 작업이 이루어져 다량의 불량품이 발생하는 것을 방지할 수 있다.
      이미지 센서 모듈, 렌즈, 초점, 자동화, 템플릿
    • 89. 发明公开
    • 오토포커스 제어 장치 및 방법, 기록 매체와 프로그램
    • 自动控制装置和方法,记录媒体和程序
    • KR1020060129422A
    • 2006-12-15
    • KR1020067017602
    • 2005-02-01
    • 소니 주식회사
    • 오까자끼,사까에
    • G02B7/36G02B7/28G03B13/36H04N5/232
    • H04N5/23212G02B7/282G02B7/36
    • The autofocus response characteristic can be improved. An image pickup sensor performs exposures (ex11,ex12) (C) in synchronism with a video vertical sync signal (VP1) (A). A camera signal processing part reads an image signal obtained by the exposure (ex11) at a timing (VR12) (D). An AF detecting part derives the high frequency component of the video signal corresponding to an AF detection scale-down gate frame (which will be referred to simply as gate frame hereinafter) at the timing of the gate frame, then rectifies the derived high frequency component, and then produces a focus evaluation value immediately after the timing of the gate frame. An AF module receives the produced focus evaluation value at a timing of AF module (21) (F), then produces such an autofocus control signal (LD22) that the focus position gets close to an in-focus position (G), and then moves a focus lens based on the autofocus control signal. The present invention may be applied to a video camera.
    • 可以提高自动对焦响应特性。 图像拾取传感器与视频垂直同步信号(VP1)(A)同步地执行曝光(ex11,ex12)(C)。 相机信号处理部分在时刻(VR12)(D)读取通过曝光获得的图像信号(ex11)。 AF检测部件在门帧的定时导出与AF检测缩小门帧对应的视频信号的高频分量(以下简称为门帧),然后对导出的高频分量 ,然后在门帧的定时之后立即产生焦点评估值。 AF模块在AF模块(21)(F)的定时接收所产生的焦点评估值,然后产生聚焦位置接近对焦位置(G)的自动对焦控制信号(LD22),然后 基于自动对焦控制信号移动聚焦透镜。 本发明可以应用于摄像机。