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公开(公告)号：US09250121B2
公开(公告)日：2016-02-02
申请号：US14064612
申请日：2013-10-28
Applicant: TOKYO INSTITUTE OF TECHNOLOGY , OLYMPUS CORPORATION
Inventor： Masayuki Tanaka , Yusuke Monno , Masatoshi Okutomi , Sunao Kikuchi , Yasuhiro Komiya
IPC: H04N5/335 , G01J1/04 , G02B5/20 , H01L27/146 , H04N9/04
CPC classification number: G01J1/0492 , G02B5/201 , H01L27/14621 , H01L27/14625 , H01L27/14643 , H01L27/14645 , H04N9/045
Abstract: An imaging apparatus has a color filter array, an image sensor, and a differential information acquisition unit. In the color filter array, including five or more types of color filters are arranged in a two dimensional form. The image sensor has a plurality of pixels covered by the color filters, and the plurality of pixels generate pixel signals. The acquisition unit designates one of the pixels covered by the color filters of interest as a pixel of interest one pixel at a time in order. The acquisition unit calculates first differential information based on pixel signals generated by two of the pixels arranged on both sides of the pixel of interest along the first direction. The acquisition unit calculates second differential information based on pixel signals generated by two of the pixels arranged on both sides of the pixel of interest along the second direction.
Abstract translation: 成像装置具有滤色器阵列，图像传感器和差分信息获取单元。 在滤色器阵列中，包括五种或更多种类型的滤色器以二维形式布置。 图像传感器具有由滤色器覆盖的多个像素，并且多个像素生成像素信号。 采集单元依次指定由感兴趣的滤色器覆盖的像素之一作为感兴趣的像素，一次一个像素。 所述获取单元基于沿着所述第一方向布置在所述感兴趣像素的两侧上的两个像素生成的像素信号来计算第一差分信息。 获取单元基于沿着第二方向布置在感兴趣像素的两侧上的两个像素生成的像素信号来计算第二差分信息。
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公开(公告)号：US09494768B2
公开(公告)日：2016-11-15
申请号：US14549315
申请日：2014-11-20
Applicant: OLYMPUS CORPORATION
Inventor： Yasuhiro Komiya , Kosei Tamiya
IPC: H04N5/335 , G02B13/00 , G01J3/36 , A61B5/00 , A61B5/103 , G01J3/51 , G01J3/28 , G01J3/02 , G02B27/10 , H04N5/235 , H04N9/04
CPC classification number: G02B13/0055 , A61B5/0077 , A61B5/1032 , A61B2562/0233 , G01J3/0208 , G01J3/2823 , G01J3/36 , G01J3/513 , G01J2003/2826 , G02B27/1013 , H04N5/2358 , H04N9/045 , H04N2209/047
Abstract: Provided is an image capturing module including a microlens array that collects light from a subject, which is imaged at an image plane; a filter that allows light in specific wavelength bands in the collected light to pass therethrough; and an image capturing device that acquires images of the light passing through the filter, wherein the filter is formed by arraying a plurality of RGB filter portions and a plurality of narrow-band filter portions, the image capturing device includes a plurality of color-wavelength obtaining regions and a plurality of narrow-band-wavelength obtaining regions, and the microlens array includes a plurality of first microlenses corresponding to the respective color-wavelength obtaining regions and a plurality of second microlenses corresponding to the respective narrow-band-wavelength obtaining regions, and the first microlenses are each disposed so that the light from the subject imaged at the image plane reaches at least one of the color-wavelength obtaining regions.
Abstract translation: 提供了一种图像捕获模块，包括收集来自被摄体的光的微透镜阵列，其被成像在图像平面; 滤光器，其允许所收集的光中的特定波长带中的光通过; 以及图像拍摄装置，其获取通过所述滤光器的光的图像，其中，所述滤光器通过排列多个RGB滤光器部分和多个窄带滤光器部分而形成，所述图像捕获装置包括多个彩色波长 获取区域和多个窄带波长获得区域，并且微透镜阵列包括对应于各个颜色波长获得区域的多个第一微透镜和对应于各个窄带波长获得区域的多个第二微透镜 并且第一微透镜各自被设置为使得在图像平面成像的被摄体的光到达颜色波长获得区域中的至少一个。
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公开(公告)号：US10299665B2
公开(公告)日：2019-05-28
申请号：US15616340
申请日：2017-06-07
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori Yoshizaki , Ken Ioka , Sunao Kikuchi , Yasuhiro Komiya , Yasuhiro Fukunaga
Abstract: An imaging device includes: an imaging sensor; a color filter including first band filters and a second band filter configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of the wavelength band of the light that passes through each first band filter; a first light source unit; a second light source unit configured to radiate light having an upward projecting distribution of a wavelength spectrum in relation to intensity and having a narrowband light spectrum narrower than the broadband; and a control unit configured to cause the first light source unit and the second light source unit to radiate the beams of light simultaneously, wherein a peak wavelength of the light radiated by the second light source unit is an infrared region or a near-infrared region.
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公开(公告)号：US09188480B2
公开(公告)日：2015-11-17
申请号：US14068151
申请日：2013-10-31
Applicant: TOKYO INSTITUTE OF TECHNOLOGY , OLYMPUS CORPORATION
Inventor： Masayuki Tanaka , Yusuke Monno , Masatoshi Okutomi , Sunao Kikuchi , Yasuhiro Komiya
IPC: G02B5/20 , G01J1/04 , H01L27/146 , H04N9/04
CPC classification number: G01J1/0492 , G02B5/201 , H01L27/14621 , H01L27/14625 , H01L27/14643 , H01L27/14645 , H04N9/045
Abstract: The color filter array 21a comprises seven or more types of color filters including a first color filter. The seven or more types color filters have different spectral sensitivity characteristics. The seven or more types of color filters are arranged in a two-dimensional form. Among the seven or more types of color filters, at least two types of color filters are designated as a color filter of interest. Two color filters arranged at a first interval on both sides of the color filter of interest along a first direction are of the same type. Two color filters arranged at a second interval on both sides of the color filter of interest along a second direction that is different from the first direction are of the same type. Among the color filters, at least one type of color filter have a density higher than that of the other types of color filters, thereby realizing acquisition of highly accurate gradient information from a multiband color filter array.
Abstract translation: 滤色器阵列21a包括七种或更多种类型的包括第一滤色器的滤色器。 七种或更多种类型的滤色器具有不同的光谱灵敏度特性。 七种或更多种类型的滤色器以二维形式布置。 在七种或更多种类型的滤色器中，至少两种类型的滤色器被指定为感兴趣的滤色器。 沿着第一方向在感兴趣的滤色器的两侧以第一间隔布置的两个滤色器是相同的。 沿着与第一方向不同的第二方向在感兴趣的滤色器的两侧上以第二间隔布置的两个滤色镜是相同的。 在滤色器中，至少一种类型的滤色器的密度高于其他类型的滤色器，从而实现从多频带滤色器阵列获取高精度的梯度信息。
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