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    • 32. 发明申请
    • Imaging apparatus
    • 成像设备
    • US20080246859A1
    • 2008-10-09
    • US12079129
    • 2008-03-25
    • Yoichi MizutaniMasayuki TakezawaHideki MatsumotoKen NakajimaToshihisa Yamamoto
    • Yoichi MizutaniMasayuki TakezawaHideki MatsumotoKen NakajimaToshihisa Yamamoto
    • H04N5/76
    • H04N5/23245H04N1/2137H04N5/23293H04N5/343H04N5/372H04N5/378
    • An imaging apparatus for performing efficient signal processing depending on the operational mode. In the finder mode, a CCD interface 21a decimates horizontal components of image data supplied from an image generating unit 10 to one-third and moreover processes the decimated image data with data conversion and resolution conversion to produce Y, Cb and Cr image data which are routed to and written in an image memory 32 over a memory controller 22. In the recording mode, the CCD interface 21a causes the image data from the image generating unit 10 to be written in the image memory 32 via memory controller 22 after decimation and gamma correction etc. The camera DSP 21c reads out the image data via memory controller 22 from the image memory 32 to effect data conversion for writing the resulting data via memory controller 22 in the image memory 32.
    • 一种用于根据操作模式执行有效信号处理的成像装置。 在取景器模式中,CCD接口21a将从图像生成单元10提供的图像数据的水平分量抽取到三分之一,并且还利用数据转换和分辨率转换处理抽取的图像数据,以产生Y,Cb和Cr图像数据,其中 被路由到并通过存储器控制器22写入图像存储器32中。 在记录模式中,CCD接口21a使得图像生成单元10的图像数据在抽取和伽马校正等之后经由存储器控制器22写入图像存储器32.照相机DSP21c经由 来自图像存储器32的存储器控​​制器22进行用于经由存储器控制器22将所得到的数据写入图像存储器32中的数据转换。
    • 33. 发明授权
    • Digital still camera apparatus, video camera apparatus, and information terminal apparatus
    • 数码相机装置,摄像机装置,信息终端装置
    • US07358993B2
    • 2008-04-15
    • US10517025
    • 2003-06-09
    • Isao KawanishiKen Nakajima
    • Isao KawanishiKen Nakajima
    • H04N9/64
    • H04N5/3595H04N5/2352H04N9/045
    • Automatic exposure adjustment control that is not affected by smear. An image pick-up device control system of an electronic shutter, a lens aperture and an automatic gain control. Smear amount is calculated precisely even if weak smear phenomenon does not reach a saturation level. When smear is detected, a first electronic shutter speed and a first lens aperture value are measured and first color information integral values of red, green and blue are measured in a predetermined color measurement area of an effective pixel region of an image pick-up unit. The electronic shutter speed is slowed to a predetermined amount to provide the same exposure as the exposure at the first electronic shutter speed and first lens aperture, and the lens aperture is narrowed only to that amount to measure the second color information integral values of the red, green and blue in the color measurement area. The smear amount is calculated from the color integral values of the red, green and blue.
    • 自动曝光调整控制,不受涂片影响。 电子快门的摄像装置控制系统,透镜孔径和自动增益控制。 涂抹量即使在弱涂片现象未达到饱和水平时也能精确计算。 当检测到污迹时,测量第一电子快门速度和第一透镜孔径值,并且在图像拾取单元的有效像素区域的预定颜色测量区域中测量红色,绿色和蓝色的第一颜色信息积分值 。 电子快门速度减慢到预定的量以提供与第一电子快门速度和第一透镜孔径处的曝光相同的曝光,并且透镜孔径仅变窄到该量,以测量红色的第二颜色信息积分值 ,绿色和蓝色在颜色测量区域。 涂抹量根据红色,绿色和蓝色的颜色积分值计算。
    • 34. 发明授权
    • Distance calculating method and imaging device
    • 距离计算方法和成像装置
    • US07317482B2
    • 2008-01-08
    • US10239137
    • 2002-01-23
    • Nobuyuki SatoKen Nakajima
    • Nobuyuki SatoKen Nakajima
    • H04N9/64H04N5/225H04N17/00H04N1/40G06K9/40G02B5/32
    • H04N5/3572G06T5/006G06T7/00
    • A distance calculation method and an imaging device that can be applied to a digital camera. The method includes calculating a distance between a point corresponding to an optical axis of a lens sub-system of the imaging device and an input point, and using the calculated distance to correct defects such as shading that occur in formed images due to peripheral light fall-off in the lens sub-system. The distance is approximated by a polygon having five or more sides, preferably having 8 or 16 sides. The distance is calculated by a disclosed function having constant coefficients, so that distances can be calculated by simple hardware.
    • 可应用于数码相机的距离计算方法和成像装置。 该方法包括计算与成像装置的透镜子系统的光轴对应的点与输入点之间的距离,并且使用所计算的距离来校正由于周边光下降而在形成的图像中发生的诸如阴影之类的诸如阴影的缺陷之间的距离 在镜头子系统中。 该距离由具有五个或更多边的多边形近似,优选地具有8或16个边。 通过具有常数系数的公开函数来计算距离,使得可以通过简单的硬件来计算距离。
    • 35. 发明授权
    • Image processing method for generating weighted interpolated pixel data
    • 用于产生加权内插像素数据的图像处理方法
    • US07262795B2
    • 2007-08-28
    • US10610844
    • 2003-07-01
    • Toshihisa YamamotoKen Nakajima
    • Toshihisa YamamotoKen Nakajima
    • H04N5/228H04N9/64
    • H04N9/045
    • Camera signal processing comprising interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the directions, detecting a correlation value indicative of a degree of correlation in each of the directions of the interpolated pixel data, normalizing the correlation value of each of the directions to generate a normalized value indicative of a relative value of the correlation value of each of the directions, adding a predetermined correction value to the normalized value, weighting the interpolated pixel data by the normalized value and adding together the weighted interpolated pixel data, and generating an image based on the interpolated pixel data weighted by the weighting means.
    • 相机信号处理包括至少在两个方向上内插基于来自固态图像传感器的成像信号的像素数据,其中成像光通过具有不同光谱特性的滤色器进入,每个像素分别产生内插像素数据 方向,检测表示内插像素数据的每个方向上的相关程度的相关值,对每个方向的相关值进行归一化,以生成表示每个方向的相关值的相对值的归一化值 所述方向,对所述归一化值添加预定的校正值,通过所述归一化值对所插值的像素数据进行加权,并将所述加权的内插像素数据相加,并且基于由所述加权装置加权的内插像素数据生成图像。
    • 38. 发明申请
    • Image processing system, and image processing method, recording medium, and program
    • 图像处理系统,图像处理方法,记录介质和程序
    • US20060055794A1
    • 2006-03-16
    • US10514366
    • 2003-04-06
    • Nobuyuki SatoKen NakajimaKatsuaki Hirota
    • Nobuyuki SatoKen NakajimaKatsuaki Hirota
    • H04N5/228
    • H04N5/23245H04N5/232H04N5/3456H04N5/772H04N5/781H04N5/85H04N5/907H04N9/045H04N9/04511
    • The present invention relates to apparatuses and methods for image processing, recording media, and programs in which extraction processing utilizing all pixels can be conducted. When a horizontal-component low-pass filter performs (1, 0, 1, 0, 1)/3 filtering with one of the green pixels in the first line as a target pixel, green pixels are multiplied by 1, red pixels are multiplied by 0, and the sum of the pixel values is divided by 3. As a result, a simple average of the target pixel and the adjacent green pixels is calculated. When one of the red pixels in the first line is defined as a target pixel, a simple average of the target pixel and the adjacent red pixels is calculated in the same manner. Similarly, green and blue pixels in the second line are filtered. Every third pixel of the horizontal components is then extracted in a 1/3 horizontal-extraction unit to generate an extracted-pixel group composed of pixels each having the simple-average value of every third pixel as a target pixel and the adjacent pixels of the same color. The present invention is applicable to digital cameras.
    • 本发明涉及用于图像处理,记录介质和程序的装置和方法,其中可以进行利用所有像素的提取处理。 当水平分量低通滤波器以第一行中的一个绿色像素作为目标像素执行(1,0,1,0,1)/ 3滤波时,绿色像素乘以1,红色像素乘以 乘以0,并且将像素值的和除以3.结果,计算目标像素和相邻绿色像素的简单平均值。 当第一行中的一个红色像素被定义为目标像素时,以相同的方式计算目标像素和相邻红色像素的简单平均值。 类似地,第二行中的绿色和蓝色像素被过滤。 然后在1/3水平提取单元中提取水平分量的每个第三像素,以产生由每个具有每三个像素的简单平均值的像素组成的抽取像素组作为目标像素,并且相邻像素 相同的颜色。 本发明适用于数码相机。
    • 40. 发明申请
    • Image processing device, image processing method, and image processing device manufacturing method
    • 图像处理装置,图像处理方法以及图像处理装置的制造方法
    • US20060012808A1
    • 2006-01-19
    • US10507870
    • 2003-02-26
    • Takami MizukuraNaoya KatohKen NakajimaHiroki Nagahama
    • Takami MizukuraNaoya KatohKen NakajimaHiroki Nagahama
    • G06F15/00
    • H04N9/045
    • The present invention relates to an image processing apparatus and method in which more faithful colors are reproduced and noise is reduced, and to a method of manufacturing the image processing apparatus. A four-color color filter 61 is formed of a total of four filters, that is, an R filter that allows only red light to pass through, a B filter that allows only blue light to pass through, and a G1 filter that allows only green light in a first wavelength band to pass through, and a G2 filter, having a high correlation with the G1 filter, that allows only green light in a second wavelength band to pass through, the four filters defining a minimum unit. The G1 filter and the G2 filter are arranged at mutually diagonal positions within the minimum unit. RGB signals are generated in accordance with four kinds of signals which are transmitted through the four-color color filter 61 and which are obtained by an image sensor. The present invention can be applied to an image processing apparatus such as a digital camera.
    • 本发明涉及一种图像处理装置和方法,其中再现更忠实的颜色并减少噪声,并且涉及一种制造图像处理装置的方法。 四色滤色器61由总共四个滤光器构成,即仅允许红光通过的R滤光器,仅允许蓝光通过的B滤光器和仅允许蓝光的G1滤光器 所述四个滤光器限定最小单位,所述G2滤光器与G1滤光器具有高相关性,所述G2滤光器仅允许第二波长带中的绿光通过。 G1滤波器和G2滤波器布置在最小单位内的相互对角线位置。 RGB信号根据通过四色滤色器61透射并由图像传感器获得的四种信号产生。 本发明可以应用于数字照相机等图像处理装置。