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    • 3. 发明申请
    • MULTIPLE LENS CAMERA PROVIDING IMPROVED FOCUSING CAPABILITY
    • 多镜头相机提供改进的聚焦能力
    • WO2008112051A1
    • 2008-09-18
    • PCT/US2008/001572
    • 2008-02-06
    • EASTMAN KODAK COMPANYBORDER, John NorvoldPALUM, Russell JayJANSON, Wilbert Frank Jr.PARULSKI, Kenneth AlanJACOBY, Keith A.
    • BORDER, John NorvoldPALUM, Russell JayJANSON, Wilbert Frank Jr.PARULSKI, Kenneth AlanJACOBY, Keith A.
    • H04N5/232
    • H04N5/23212H04N5/2258
    • An electronic camera for producing an output image of a scene from a captured image signal includes: (a) a first imaging stage comprising a first image sensor for generating a first sensor output; a first lens for forming a first image of the scene on the first image sensor; and a first lens focus adjuster for adjusting focus of the first lens responsive to a first focus detection signal; and (b) a second imaging stage comprising a second image sensor for generating a second sensor output; a second lens for forming a second image of the scene on the second image sensor; and a second lens focus adjuster for adjusting focus of the second lens responsive to a second focus detection signal. A processing stage either (a) selects the sensor output from the first imaging stage as the captured image signal and uses the sensor output from the second imaging stage to generate the first focus detection signal for the selected imaging stage, or (b) selects the sensor output from the second imaging stage as the captured image signal and uses the sensor output from the first imaging stage to generate the second focus detection signal for the selected imaging stage.
    • 一种用于从拍摄图像信号产生场景的输出图像的电子照相机包括:(a)第一成像台,包括用于产生第一传感器输出的第一图像传感器; 用于在第一图像传感器上形成场景的第一图像的第一透镜; 以及第一透镜焦点调节器,用于响应于第一焦点检测信号来调整第一透镜的焦点; 和(b)第二成像台,包括用于产生第二传感器输出的第二图像传感器; 用于在第二图像传感器上形成场景的第二图像的第二透镜; 以及第二透镜焦点调节器,用于响应于第二焦点检测信号来调整第二透镜的焦点。 一种处理阶段,(a)从第一成像级选择传感器输出作为捕获的图像信号,并使用来自第二成像级的传感器输出来产生用于所选成像级的第一焦点检测信号,或者(b)选择 传感器从第二成像级输出作为捕获的图像信号,并使用来自第一成像级的传感器输出产生用于所选成像级的第二焦点检测信号。