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    • 41. 发明授权
    • Auto-focusing apparatus
    • 自动聚焦装置
    • US5115262A
    • 1992-05-19
    • US687452
    • 1991-04-18
    • Yasuhiro Komiya
    • Yasuhiro Komiya
    • G02B7/28G02B7/36H04N5/232
    • G02B7/365H04N5/23212
    • An auto-focusing apparatus includes a CCD for imaging an optical image formed by a photographing optical system, a motor for changing the position of the CCD along the direction of the optical axis, a BPF for extracting a predetermined frequency component from an image signal read from the CCD, a detector for outputting a focus signal corresponding to a focusing degree by performing square detection of an output signal from the BPF, and a microprocessor for calculating an intermediate parameter dFZP on the basis of the frequency band of the BPF and the F-number of the photographing optical system, determining a sampling interval .DELTA.x on the basis of a characteristic value COPT of the detector and the intermediate parameter d.sub.FZP, controlling the motor and the CCD in accordance with the sampling interval, sampling a plurality of focus signals, and detecting an in-focus point by interpolating the focus signals.
    • 自动对焦装置包括:用于对由摄影光学系统形成的光学图像进行成像的CCD,用于沿着光轴的方向改变CCD的位置的电动机;用于从读取的图像信号中提取预定频率分量的BPF 来自CCD的检测器,用于通过执行来自BPF的输出信号的平方检测来输出与聚焦度相对应的聚焦信号的检测器,以及用于基于BPF和F的频带计算中间参数dFZP的微处理器 - 拍摄光学系统的数量,基于检测器的特性值COPT和中间参数dFZP确定采样间隔DELTA x,根据采样间隔控制电动机和CCD,对多个聚焦信号进行采样 并且通过内插聚焦信号来检测对焦点。
    • 42. 发明授权
    • Automatic focusing apparatus
    • 自动对焦装置
    • US5070353A
    • 1991-12-03
    • US618463
    • 1990-11-27
    • Yasuhiro KomiyaTatsuo Nagasaki
    • Yasuhiro KomiyaTatsuo Nagasaki
    • G03B13/36G02B7/34G02B7/36
    • G02B7/365
    • An automatic focusing apparatus comprises a photographic optical system for forming an optical image of an object, an optical system driving circuit for moving the photographic optical system in a direction of its optical axis, a storage circuit for prestoring a plurality of MTF ratios corresponding to a plurality of focusing states of the photographic optical system, an image sensor for detecting the optical image, a spatial frequency component extracting circuit for extracting a plurality of spatial frequency components from image signals output from the image sensor, a calculating circuit for calculating a ratio between spatial frequency components representing different focusing states at every common frequency from the spatial frequency components extracted by the spatial frequency extracting circuit, a defocus detecting circuit for detecting a defocus amount and a focusing direction from the spatial frequency component ratios calculated by the calculating circuit and the MTF ratios stored in the storage circuit, and a driving control circuit for calculating an amount and a direction of movement of the photographic optical system from the detection result from the defocus circuit, and outputting the calculation result to the optical system driving circuit.
    • 一种自动对焦装置,包括:用于形成物体的光学图像的照相光学系统;用于使摄影光学系统在其光轴方向上移动的光学系统驱动电路;存储电路,用于预先存储对应于 摄影光学系统的多个聚焦状态,用于检测光学图像的图像传感器,用于从图像传感器输出的图像信号中提取多个空间频率分量的空间频率分量提取电路,计算电路, 空间频率分量,表示从由空间频率提取电路提取的空间频率分量的每个公共频率处的不同聚焦状态;散焦检测电路,用于从由计算电路计算出的空间频率分量比检测散焦量和聚焦方向, MTF法 存储在存储电路中的驱动控制电路,以及用于根据来自散焦电路的检测结果计算摄影光学系统的量和移动方向的驱动控制电路,并将计算结果输出到光学系统驱动电路。
    • 44. 发明授权
    • Image capturing device which sets color conversion parameters based on an image sensor and separate light sensor
    • 基于图像传感器和单独的光传感器设置颜色转换参数的图像捕获装置
    • US08149294B2
    • 2012-04-03
    • US12477609
    • 2009-06-03
    • Yasuhiro KomiyaShinya KonoMasanori MitsuiAkira Matsushita
    • Yasuhiro KomiyaShinya KonoMasanori MitsuiAkira Matsushita
    • H04N9/73H04N5/225
    • H04N9/735
    • An imaging device 11, in which photoelectric conversion is performed by an imaging element 16 for acquiring an image of a subject formed by the photographing lens 12, comprising a light source estimation unit 31 for generating estimated light source information for estimating a light source of the subject, on the basis of an image signal acquired by the imaging device 16; an light source sensor 18 for detecting a spectrum of the light source; a light source sensor information calculation unit 32 for generating a light source sensor information including the spectrum based on the spectrum; a color conversion parameter calculation unit 33 for calculating the color conversion parameters of the image signal based on the estimated light source information and the light source sensor information; and, a color conversion processing unit 34 for performing color conversion of the image signal by using the color conversion parameters. This allows the imaging device to realize precise color reproduction with an improved accuracy.
    • 一种成像装置11,其中通过用于获取由拍摄镜头12形成的被摄体的图像的摄像元件16进行光电转换,包括:光源估计单元31,用于产生估计光源的估计光源信息; 基于由成像装置16获取的图像信号; 用于检测光源的光谱的光源传感器18; 光源传感器信息计算单元32,用于基于光谱产生包括光谱的光源传感器信息; 颜色转换参数计算单元33,用于基于所估计的光源信息和光源传感器信息计算图像信号的颜色转换参数; 以及颜色转换处理单元34,用于通过使用颜色转换参数来执行图像信号的颜色转换。 这允许成像装置以提高的精度实现精确的颜色再现。
    • 45. 发明授权
    • Image capturing apparatus generating image data having increased color reproducibility
    • 产生具有增加的颜色再现性的图像数据的图像捕获设备
    • US08106978B2
    • 2012-01-31
    • US12421336
    • 2009-04-09
    • Yasuhiro KomiyaTakeyuki Ajito
    • Yasuhiro KomiyaTakeyuki Ajito
    • H04N5/225H04N9/09H04N9/97
    • H04N9/045H04N2209/045
    • An image capturing apparatus includes a first image sensor unit, a second image sensor unit, and a spatial frequency reduction unit. The first image sensor unit is capable of subjecting an object image formed by an imaging lens to a photoelectric conversion to output a first image signal having a first resolution and constituted by a first number of colors. The second image sensor unit is capable of subjecting the object image formed by the imaging lens to a photoelectric conversion to output a second image signal having a second resolution that is lower than the first resolution and constituted by a second number of colors that is larger than the first number of colors. The spatial frequency reduction unit reduces a spatial frequency of the object image formed on a light receiving surface of the second image sensor unit by the imaging lens.
    • 图像捕获装置包括第一图像传感器单元,第二图像传感器单元和空间频率降低单元。 第一图像传感器单元能够使由成像透镜形成的物体图像进行光电转换,以输出具有第一分辨率并由第一数量的颜色构成的第一图像信号。 第二图像传感器单元能够使由成像透镜形成的物体图像进行光电转换,以输出具有比第一分辨率低的第二分辨率的第二图像信号,并且由第二数量的颜色构成 第一个颜色的数量。 空间频率降低单元通过成像透镜减小形成在第二图像传感器单元的光接收表面上的物体图像的空间频率。
    • 49. 发明申请
    • Image processor
    • 图像处理器
    • US20080069482A1
    • 2008-03-20
    • US11901474
    • 2007-09-17
    • Yasuhiro Komiya
    • Yasuhiro Komiya
    • G06K9/60
    • G01J3/508G06T7/0012G06T7/12G06T7/73G06T7/90G06T2207/10024G06T2207/30036
    • An image storage portion 31 stores image data that is input. An outline detecting portion 32 detects an outline of tooth that is the object of color measurement in the image based on the image data. A specular reflection region detecting portion 33 detects the position of a specular reflection region in the tooth that is the object of color measurement based on the data of each pixel that constitutes the image. A rectangular region setting portion 34 sets an analysis region to become the object of analysis processing in the image based on the position of the specular reflection region that is detected by the specular reflection region detecting portion 33. In accordance with the present invention, it is possible to avoid setting an analysis region in a specular reflection region when setting an analysis region, that is the object of analysis processing of an image, in the image.
    • 图像存储部31存储输入的图像数据。 轮廓检测部32基于图像数据检测作为图像中的颜色测量对象的齿轮廓。 镜面反射区域检测部分33基于构成图像的每个像素的数据来检测作为颜色测量对象的牙齿中的镜面反射区域的位置。 矩形区域设定部34基于由镜面反射区域检测部33检测出的镜面反射区域的位置,将分析区域设定为图像中的分析处理对象。 根据本发明,在图像中设定作为图像的分析处理对象的分析区域时,可以避免在镜面反射区域中设定分析区域。