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1.发明申请IMAGE PICKUP SYSTEM FOR ENDOSCOPE AND METHOD FOR OPERATING IMAGE PICKUP SYSTEM FOR ENDOSCOPE 有权用于内窥镜的图像拾取系统和用于内窥镜的图像拾取系统的操作方法公开(公告)号：US20160198076A1
公开(公告)日：2016-07-07
申请号：US15069320
申请日：2016-03-14
Applicant: OLYMPUS CORPORATION
Inventor： Takehide FUJIMOTO , Kiyotaka KANNO , Yutaka FUJISAWA , Kotaro OGASAWARA
CPC classification number: H04N5/2352 , A61B1/00009 , A61B1/00188 , A61B1/045 , A61B1/0669 , G02B7/09 , G02B7/28 , G02B7/36 , G02B23/2438 , G02B23/2469 , G02B23/2484 , G03B13/36 , G03B15/03 , H04N5/2256 , H04N5/23212 , H04N5/2351 , H04N2005/2255
Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.
Abstract translation: 提供了一种用于内窥镜的图像拾取系统，包括：光源; 成像光学系统; 聚焦透镜驱动部; 输出图像信号的图像拾取部分; 图像信号放大部分; 图像亮度检测部; 调节诸如光源的亮度等的亮度控制条件，摄像部分的摄像条件和放大部分的放大系数的亮度调节部分，使得图像的亮度变为预定的亮度; 辅助AF部，基于亮度控制条件来估计临时聚焦位置; 设置包括所述临时对焦位置的小扫描范围的控制部; 以及在扫描范围内执行对比度AF的对比度AF部分。
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公开(公告)号：US20170064178A1
公开(公告)日：2017-03-02
申请号：US15351527
申请日：2016-11-15
Applicant: OLYMPUS CORPORATION
Inventor： Ryohei KAGAWA , Kotaro OGASAWARA
CPC classification number: H04N5/2353 , A61B1/00009 , A61B1/00045 , A61B1/00096 , A61B1/04 , A61B1/045 , A61B1/05 , A61B1/2673 , G02B23/2446 , G02B23/2469 , G02B23/2484 , G03B7/093 , H04N5/225 , H04N5/2256 , H04N5/2354 , H04N5/2357 , H04N5/243 , H04N5/3532 , H04N5/372 , H04N5/374 , H04N5/378 , H04N2005/2255
Abstract: A processing device includes a signal processing unit configured to: input first and second pixel signals from an image sensor having pixels for receiving light from a subject illuminated with pulsed light and generating a pixel signal, the first pixel signal being a one-frame signal read at read timing at least a part of which is included in an illumination period of the pulsed light, the second pixel signal being a one-frame signal read after the one frame of the first pixel signal; and generate a one-frame third pixel signal by synthesizing first and second overlap pixel signals, the first overlap pixel signal being defined as the first pixel signal corresponding to an overlap line of the pixels in which the illumination period of the pulsed light is overlapped with the read timing, the second overlap pixel signal being defined as the second pixel signal corresponding to the overlap line.
Abstract translation: 一种处理装置，包括：信号处理单元，被配置为：从具有用于接收来自被照明的对象的光的像素的图像传感器输入第一和第二像素信号并生成像素信号，所述第一像素信号是一帧信号读取 在读取时刻，其至少一部分被包括在脉冲光的照明周期中，第二像素信号是在第一像素信号的一帧之后读取的一帧信号; 并且通过合成第一和第二重叠像素信号来生成一帧第三像素信号，所述第一重叠像素信号被定义为与脉冲光的照明周期重叠的像素的重叠线对应的第一像素信号 读取定时，第二重叠像素信号被定义为对应于重叠线的第二像素信号。
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公开(公告)号：US20160345812A1
公开(公告)日：2016-12-01
申请号：US15231865
申请日：2016-08-09
Applicant: OLYMPUS CORPORATION
Inventor： Kotaro OGASAWARA
Abstract: An imaging apparatus includes: an illumination unit that emits illumination light; a light receiving unit having pixels arranged on horizontal lines to receive light from an object irradiated with the illumination light, and to perform photoelectric conversion on the received light to generate pixel signals; an imaging controller that controls the pixels to sequentially start exposure for each horizontal line, and to sequentially read the pixel signals from the pixels belonging to the horizontal lines after a lapse of an exposure period from start of exposure; an illumination controller that switches between illumination states in a reading period for sequentially reading the pixel signals for each horizontal line, and controls an amount of the illumination light such that an integrated value of the amount of the illumination light during one frame period immediately after switching of the illumination states is the same as that during next one frame period.
Abstract translation: 一种成像装置，包括：发射照明光的照明单元; 光接收单元，其具有布置在水平线上的像素，以接收从照明光照射的物体的光，并对所接收的光进行光电转换以产生像素信号; 成像控制器，其控制像素顺序地开始每个水平线的曝光，并且在从开始曝光经过曝光时段之后依次读取来自属于水平线的像素的像素信号; 照明控制器，其在读取周期中切换照明状态，以顺序地读取每条水平线的像素信号，并且控制照明光量，使得在切换之后的一帧期间内的照明光量的积分值 的照明状态与下一个帧周期期间的状态相同。
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公开(公告)号：US20180000335A1
公开(公告)日：2018-01-04
申请号：US15705458
申请日：2017-09-15
Applicant: OLYMPUS CORPORATION
Inventor： Makoto IGARASHI , Kenji YAMAZAKI , Kotaro OGASAWARA
CPC classification number: A61B1/0638 , A61B1/00009 , A61B1/00045 , A61B1/04 , A61B1/0646 , G02B23/2469 , G02B23/2484 , H04N5/2256 , H04N5/2354 , H04N5/243 , H04N9/04557 , H04N9/64 , H04N2005/2255
Abstract: A biological observation system includes: a light source apparatus configured to supply a first illuminating light, and a second illuminating light, while switching between the first illuminating light and the second illuminating light; an image pickup device configured to receive light from an object at each of a plurality of pixels having different sensitivities, and picks up an image; a color separation processing portion configured to separate, from respective color components, a color component obtained when an image of light of a predetermined wavelength band is picked up by a pixel having the greatest sensitivity to the light in the predetermined wavelength band; and a control portion configured to cause different processing to be performed between a case where an inputted image pickup signal corresponds to the first illuminating light and a case where an inputted image pickup signal corresponds to the second illuminating light.
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公开(公告)号：US20170180695A1
公开(公告)日：2017-06-22
申请号：US15452984
申请日：2017-03-08
Applicant: OLYMPUS CORPORATION
Inventor： Satoshi TANAKA , Kentaro HASE , Kotaro OGASAWARA
CPC classification number: H04N9/735 , A61B1/04 , A61B1/06 , A61B1/0638 , G02B23/2461 , G02B23/2484 , G02B23/26 , G03B15/02 , G03B15/05 , H04N5/2256 , H04N9/04 , H04N2005/2255
Abstract: An imaging device includes: an imaging unit configured to output an imaging signal; an illumination unit configured to emit respective beams of light of a plurality of colors; a color separation unit configured to separate the imaging signal into a plurality of signals corresponding to the plurality of colors; an interest color setting unit configured to set a color corresponding to a wavelength band of interest as an interest color; a comparison unit configured to compute a ratio between a detection value of a signal corresponding to an interest color set by the interest color setting unit and a detection value of a signal of another color corresponding to a wavelength band different from the wavelength band corresponding to the interest color; and a changing unit configured to change a light emission ratio between light corresponding to the interest color and light of the other color.
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Patent Agency Ranking
公开(公告)号：US20170085763A1
公开(公告)日：2017-03-23
申请号：US15368580
申请日：2016-12-03
Applicant: OLYMPUS CORPORATION
Inventor： Aiko SAKAI , Yusuke YABE , Tomoya TAKAHASHI , Satoshi TANAKA , Kotaro OGASAWARA , Susumu HASHIMOTO
CPC classification number: H04N5/2256 , A61B1/00163 , A61B1/06 , G02B23/2461 , G02B23/2484 , G02B23/26 , H04N2005/2255
Abstract: An image pickup system includes an optical sensor configured to pick up an optical image of an object illuminated with light of a plurality of colors emitted from a plurality of semiconductor light emitting elements with an image pickup device and detect each of light amounts of the light emitted from the plurality of semiconductor light emitting elements, and a controller including hardware. The controller adjusts color balance based on the light amounts of the plurality of colors detected at the optical sensor and sets an exposure timing of a light amount detecting unit according to image pickup operation of the image pickup device.
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公开(公告)号：US20160051133A1
公开(公告)日：2016-02-25
申请号：US14929491
申请日：2015-11-02
Applicant: OLYMPUS CORPORATION
Inventor： Nanako UBAYAMA , Kotaro OGASAWARA , Kentaro HASE , Hitoshi KOMINE
CPC classification number: A61B1/063 , A61B1/00006 , A61B1/00009 , A61B1/0002 , A61B1/00096 , A61B1/012 , A61B1/018 , A61B1/04 , A61B1/0638 , A61B18/201 , A61B90/37 , A61B2017/00123 , A61B2017/0034 , A61B2018/00708 , A61B2018/00982
Abstract: An endoscope system includes: an insertion portion; an illumination portion that emits a plurality of illuminating lights of different hues to each other; an image pickup portion that picks up an optical image formed by an objective optical system in a distal end portion of the insertion portion; a channel that opens in a distal end portion of the insertion portion; a laser probe that is inserted through the channel and has an irradiation portion in a distal end region; a hue range setting portion that sets a hue range of the laser probe in accordance with a hue of an illuminating light; an image analysis portion that detects a hue range portion in a color image obtained from the image pickup portion; and a control portion that permits laser output only in a case where the hue range portion is detected.
Abstract translation: 内窥镜系统包括：插入部; 发出彼此不同色调的多个照明光的照明部; 摄像部，其在所述插入部的前端部中拾取由物镜光学系统形成的光学图像; 在所述插入部的前端部开口的通道; 激光探针，其穿过所述通道插入并且具有在远端区域中的照射部分; 色调范围设定部，其根据照明光的色调设定激光探头的色调范围; 图像分析部，其检测从所述图像拾取部获得的彩色图像中的色调范围部分; 以及只有在检测到色调范围部分的情况下才允许激光输出的控制部分。
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公开(公告)号：US20150265134A1
公开(公告)日：2015-09-24
申请号：US14733303
申请日：2015-06-08
Applicant: OLYMPUS CORPORATION
Inventor： Kotaro OGASAWARA , Hitoshi KOMINE , Nanako UBAYAMA , Kentaro HASE
CPC classification number: A61B1/00006 , A61B1/00009 , A61B1/00087 , A61B1/018 , A61B1/05 , A61B18/24 , A61B2034/2065 , G06T2207/10068
Abstract: An endoscope system includes: an endoscope including an insertion portion, an image pickup portion that acquires a plurality of images by time-sequentially picking up optical images of a subject by means of an objective optical system provided in a distal end portion of the insertion portion, and a channel that opens at the distal end portion of the insertion portion; a laser probe that is inserted through the channel; an image analysis portion that detects an area showing the laser probe with respect to each image; and a control portion that permits laser output only in a case where it is determined that the laser probe protrudes from the opening of the channel based on detection results with respect to the area showing the laser probe for a plurality of images that are time-sequentially consecutive.
Abstract translation: 内窥镜系统包括：内窥镜，其包括插入部，摄像部，其通过设置在所述插入部的前端部的物镜光学系统通过时间顺序地拾取被检体的光学图像而获取多个图像 以及在所述插入部的前端部开口的通道; 通过通道插入的激光探头; 图像分析部，其针对每个图像检测示出所述激光探针的区域; 以及仅在确定激光探头从通道的开口突出的情况下才允许激光输出的控制部分，该检测结果相对于时间顺序的多个图像的示出激光探针的区域的检测结果 连续
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公开(公告)号：US20230000329A1
公开(公告)日：2023-01-05
申请号：US17903195
申请日：2022-09-06
Applicant: OLYMPUS CORPORATION
Inventor： Hidetaro KONO , Yutaka KOYAMA , Kotaro OGASAWARA
Abstract: A medical image processing device includes a processor configured to: obtain image data; generate, based on the obtained image data, a captured image including color component signals including a red component signal representing a red component, a green component signal representing a green component, and a blue component signal representing a blue component; calculate an intensity ratio between a fluorescent component signal and a reflected light component signal in a pixel of the captured image; determine, based on the calculated intensity ratio in the pixel of the captured image, a fluorescence region and a background region in the captured image; and generate a fluorescence image by performing, based on a result of the determination, image processing with parameters different from each other for color component signals in pixels positioned in the fluorescence region and color component signals in pixels positioned in the background region.
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10.发明申请公开(公告)号：US20160156835A1
公开(公告)日：2016-06-02
申请号：US15013085
申请日：2016-02-02
Applicant: OLYMPUS CORPORATION
Inventor： Kotaro OGASAWARA , Yutaka FUJISAWA , Takehide FUJIMOTO , Kiyotaka KANNO
IPC: H04N5/232
CPC classification number: H04N5/23212 , G02B7/36 , G03B37/005 , H04N5/23296 , H04N2005/2255
Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.
Abstract translation: 一种摄像装置具有：物镜光学系统; 图像拾取装置; 对焦AF部分，调整焦点，使得拍摄图像的对比度评估值的峰值; 运动量检测部分，从多个时间序列图像中检测所述被摄体的运动量; 以及控制部，控制对比度AF部，以计算在运动量等于或大于阈值的被排除区域的区域中的另一个对比度评估值，并且对比度 AF部根据计算对象区域的面积和从计算对象区域排除被排除区域的区域的区域来校正其他对比度评价值。
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