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    • 1. 发明授权
    • Image pickup apparatus with noise reduction unit
    • 具有降噪单元的摄像设备
    • US07898581B2
    • 2011-03-01
    • US11745714
    • 2007-05-08
    • Yukihiro Tanizoe
    • Yukihiro Tanizoe
    • H04N5/217H04N5/225
    • H04N5/217H04N5/23245H04N5/347H04N5/357
    • An image pickup apparatus comprises an image pickup element that includes a plurality of photoelectric conversion elements, and is operable in a first drive mode for reading a low resolution image based on an output of the photoelectric conversion elements or a second drive mode for reading a higher resolution image than the low resolution image, a drive unit that drives the image pickup element, a frame memory that stores image data read by the image pickup element in the first drive mode, an image enlarging portion that enlarges an image size of the image data stored in the frame memory, and a noise reduction unit that performs noise reduction on image data read by the image pickup element in the second drive mode, based on the image data enlarged by the image enlarging portion. This configuration enables high frame rate moving images to be obtained. Further, degradation of image resolution can be prevented, and random noise contained in images can be suppressed.
    • 一种图像拾取装置包括包括多个光电转换元件的图像拾取元件,并且可以在基于光电转换元件的输出读取低分辨率图像的第一驱动模式中操作或用于读取较高的光电转换元件的第二驱动模式 分辨率图像,低分辨率图像,驱动图像拾取元件的驱动单元,存储由第一驱动模式中的图像拾取元件读取的图像数据的帧存储器,放大图像数据的图像尺寸的图像放大部分 存储在帧存储器中的降噪单元,以及噪声降低单元,其基于由图像放大部分放大的图像数据,在第二驱动模式中对由图像拾取元件读取的图像数据进行降噪。 该配置使得能够获得高帧率运动图像。 此外,可以防止图像分辨率的劣化,并且可以抑制包含在图像中的随机噪声。
    • 2. 发明申请
    • IMAGE CAPTURE DEVICE
    • 图像捕获设备
    • US20080049124A1
    • 2008-02-28
    • US11843310
    • 2007-08-22
    • Yukihiro TANIZOEYoshimasa OKABEYuuji SHIGETAYasutoshi YAMAMOTO
    • Yukihiro TANIZOEYoshimasa OKABEYuuji SHIGETAYasutoshi YAMAMOTO
    • H04N5/262
    • H04N5/357H04N5/23296
    • An image capture device which can reduce low-frequency noise even circuitry of a small scale is provided. An image capture device includes: an acquisition section which is used to acquire sensitivity information concerning a sensitivity; an imager for generating first image data; a zoom section for changing a size of an image which is based on input image data, the zoom section outputting second image data which is obtained by reducing a size of an image represented by the first image data; and a noise suppression section for outputting third image data which is obtained by reducing noise in an image represented by the second image data. In accordance with the sensitivity information, the zoom section changes a zoom factor by which to reduce the size of the image represented by the first image data.
    • 提供了即使是小规模的电路也能够降低低频噪声的图像捕获装置。 图像捕获装置包括:获取部,用于获取关于灵敏度的灵敏度信息; 用于产生第一图像数据的成像器; 变焦部分,用于改变基于输入图像数据的图像的尺寸,所述变焦部分输出通过减小由所述第一图像数据表示的图像的尺寸而获得的第二图像数据; 以及噪声抑制部分,用于输出通过减少由第二图像数据表示的图像中的噪声而获得的第三图像数据。 根据灵敏度信息,变焦部分改变缩放因子,由此缩小由第一图像数据表示的图像的大小。
    • 6. 发明授权
    • Imaging apparatus and image processing program
    • 成像设备和图像处理程序
    • US08223231B2
    • 2012-07-17
    • US12543903
    • 2009-08-19
    • Yukihiro Tanizoe
    • Yukihiro Tanizoe
    • H04N5/335
    • H04N9/045
    • There is provided an imaging apparatus capable of creating RAW data subsequent to predetermined processing including distortion correction and reduction/enlargement processing of an image. The imaging apparatus includes an imaging device operable to create image data in a first color arrangement pattern (for example, Bayer array) by converting an optical signal to an electrical signal; a color arrangement conversion unit operable to convert a color arrangement pattern of the image data from the first color arrangement pattern to a second color arrangement pattern; an image processing unit operable to perform predetermined processing (enlargement, distortion correction and the like) on the image data converted by the color arrangement conversion unit; and a color arrangement reverse-conversion unit operable to convert reversely the color arrangement pattern of the image data processed by the image processing unit from the second color arrangement pattern back to the first color arrangement pattern.
    • 提供一种能够在包括图像的失真校正和缩小/放大处理的预定处理之后创建RAW数据的成像装置。 成像装置包括:成像装置,其可操作以通过将光信号转换为电信号来产生第一配色图案(例如,拜耳阵列)中的图像数据; 颜色排列转换单元,用于将图像数据的颜色布置图案从第一颜色排列图案转换为第二颜色排列图案; 图像处理单元,用于对由颜色排列转换单元转换的图像数据执行预定处理(放大,畸变校正等); 以及颜色排列逆转换单元,其可操作以将由图像处理单元处理的图像数据的颜色布置图案从第二颜色布置图案反向转换回第一颜色布置图案。
    • 7. 发明授权
    • Image processing device and digital camera
    • 图像处理装置和数码相机
    • US07920183B2
    • 2011-04-05
    • US12194053
    • 2008-08-19
    • Mayu OgawaYasutoshi YamamotoYukihiro Tanizoe
    • Mayu OgawaYasutoshi YamamotoYukihiro Tanizoe
    • H04N5/217H04N5/20
    • H04N9/646H04N1/58H04N5/142H04N5/20H04N5/208H04N5/21H04N5/243
    • A visual processing section 120 is provided which performs visual processing on a pixel-by-pixel basis according to a predetermined function defining a relation between a pixel value of a target pixel which is a pixel under visual processing and a pixel value of the target pixel after subjected to the visual processing. An input signal processing section 150 is further provided which performs, on a pixel-by-pixel basis, at least one of signal processing to restore resolution of an image data input to the visual processing section 120 and signal processing to correct signal deterioration due to the visual processing. In the input signal processing section 150, the at least one signal processing is performed according to a gain determined by using the function.
    • 提供了可视处理部分120,其根据预定的功能,逐个像素地执行视觉处理,该功能定义了可视处理下的像素的目标像素的像素值与目标像素的像素值之间的关系 经过视觉处理。 还提供了一个输入信号处理部分150,其在逐个像素的基础上执行信号处理中的至少一个,以恢复输入到可视处理部分120的图像数据的分辨率和信号处理,以校正由于 视觉处理。 在输入信号处理部分150中,根据通过使用该功能确定的增益执行至少一个信号处理。