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    • 5. 发明公开
    • 3차원 영상 획득 장치 및 3차원 영상 획득 장치에서 깊이 정보 산출 방법
    • 三维图像获取装置和三维图像采集装置中的深度信息采集方法
    • KR1020130045018A
    • 2013-05-03
    • KR1020110109431
    • 2011-10-25
    • 삼성전자주식회사
    • 박용화유장우윤희선
    • H04N13/00H04N13/02
    • G06T7/0022G01S7/4816G01S7/4912G01S7/4915G01S7/4918G01S7/493G01S17/36G01S17/89G06K9/00201G06T7/50G06T7/97G06T2207/10028H04N5/2226H04N2013/0081H04N13/00H04N13/106H04N13/167H04N13/20
    • PURPOSE: A 3D image obtaining device and a depth information calculation method in the 3D image obtaining device are provided to synchronize light projection time and driving time of a light modulator, thereby obtaining reflective light which external light is removed. CONSTITUTION: A light modulator(103) modulates light reflected from a subject(200) by the number of projected N light. A photographing device(105) generates the number of N sub-images by photographing the modulated light. A signal processing unit(106) calculates depth information for distance with the subject by using the sub-images. A control unit(107) synchronizes exposure time of the photographing device with driving time of the light modulator. [Reference numerals] (106) Signal processing unit; (107) Control unit; (200) Subject; (AA) Transmitted light; (BB) Transmitted light 1; (CC) Transmitted light 2; (DD) Transmitted light N; (EE) Reflected light(from P5); (FF,JJ) Reflected light 1; (GG,KK) Reflected light 2; (HH,LL) Reflected light N; (II) Reflected light(from P1)
    • 目的:提供3D图像获取装置和3D图像获取装置中的深度信息计算方法,以同步光调制器的光投射时间和驱动时间,从而获得除去外部光的反射光。 构成:光调制器(103)将从被摄体(200)反射的光调制投影的N个光的数量。 拍摄装置(105)通过拍摄调制光来产生N个子图像的数量。 信号处理单元(106)通过使用子图像来计算与被摄体的距离的深度信息。 控制单元(107)使拍摄装置的曝光时间与光调制器的驱动时间同步。 (附图标记)(106)信号处理单元; (107)控制单元; (200)科目; (AA)透射光; (BB)发射光1; (CC)发射光2; (DD)透射光N; (EE)反射光(来自P5); (FF,JJ)反射光1; (GG,KK)反射光2; (HH,LL)反射光N; (II)反射光(从P1)
    • 7. 发明授权
    • 오프셋 보상을 갖는 광학 근접 센서
    • 带偏移补偿的光学接近传感器
    • KR101799604B1
    • 2017-12-20
    • KR1020120009805
    • 2012-01-31
    • 인터실 아메리카스 엘엘씨
    • 케네스씨.다이어시지안린
    • G01J1/02
    • G01S7/481G01C3/08G01S7/4912G01S17/026
    • 광학근접센서는드라이버, 광검출기및 오프셋신호발생기를포함한다. 드라이버는광원을선택적으로구동한다. 광검출기는광 검출기에의해검출되는광의강도를나타내는아날로그검출신호를생성한다. 검출된광은광학센서, 간섭광 및주변광의감지영역내의대상으로부터반사된광원에의해전달되는광을포함할수 있다. 간섭광은광원에의해전달되고, 광검출기에의해검출된광을포함하고, 그것은광학센서의감지영역내의대상으로부터반사되지않았다. 오프셋신호발생기는아날로그보상검출신호를생성하도록광검출기에의해생성되는아날로그검출신호와결합되는아날로그오프셋신호를선택적으로생성하도록적응된다. 아날로그오프셋신호는광검출기에의해검출되는광에포함되는간섭광의적어도일부를보상한다.
    • 光学接近传感器包括驱动器,光电探测器和偏移信号发生器。 驱动器选择性地驱动光源。 光检测器产生指示由光电检测器检测到的光的强度的模拟检测信号。 检测到的光可以包括由光学传感器的感测区域中的物体反射的光源发射的光,干涉光和环境光。 干涉光被光源透射并且包含由光检测器检测到的光,其在光学传感器的感测区域中没有被物体反射。 偏移信号发生器适于选择性地产生与由光电检测器产生的模拟检测信号耦合的模拟偏移信号以产生模拟补偿检测信号。 模拟偏移信号补偿由光电检测器检测到的光中包含的至少一些干涉光。
    • 10. 发明公开
    • 광학적 거리 측정 방법 및 장치
    • 用于光学测量距离的方法和装置
    • KR1020050028921A
    • 2005-03-23
    • KR1020057001926
    • 2003-05-12
    • 로베르트 보쉬 게엠베하
    • 슈티어레외르크볼프패터
    • G01C3/06G01S17/32
    • G01S17/36G01S7/4912
    • The invention relates to a method for optically measuring distance. According to said method: a transmitter of a transmitter branch (14) that is integrated into a measuring device (10) emits a modulated measurement beam (16,36) towards a target object (20), the measurement beam (17, 44) reflected or scattered by the target object (20) is detected by a measurement receiver (54) integrated into the measuring device (10) and is converted into a signal in low-frequency range by means of a frequency mixing process. According to the invention, a measuring diode (62), whose cathode and anode voltage are modulated at high-frequency to generate a mixing signal, is used to detect and convert the frequency of the returned measuring signal (17, 44). The invention also relates to a device (10) for carrying out the inventive method.
    • 本发明涉及光学测量距离的方法。 根据所述方法:集成到测量装置(10)中的发射器支路(14)的发射器朝向目标物体(20)发射调制测量光束(16,36),测量光束(17,44) 由目标对象(20)反射或散射的被测量装置(10)中的测量接收器(54)检测并通过频率混合处理被转换成低频范围的信号。 根据本发明,使用其阴极和阳极电压以高频调制以产生混合信号的测量二极管(62)来检测并转换返回的测量信号(17,44)的频率。 本发明还涉及用于实施本发明方法的装置(10)。