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公开(公告)号：US20170325658A1
公开(公告)日：2017-11-16
申请号：US15666562
申请日：2017-08-01
Applicant: OLYMPUS CORPORATION
Inventor： Ken IOKA , Kazunori YOSHIZAKI , Sunao KIKUCHI , Yasuhiro KOMIYA , Yasuhiro FUKUNAGA
CPC classification number: A61B1/00009 , A61B1/00186 , A61B1/051 , A61B1/0638 , A61B1/0646 , G06T3/4015
Abstract: An image processing device includes: a separation unit configured to separate a plurality of wide-band image signals corresponding to wide-band light passing through each of a plurality of wide-band filters and a narrow-band image signal corresponding to narrow-band light passing through a narrow-band filter, from each other, based on an image signal input from an imaging device; a demosaicing unit configured to perform demosaic processing that interpolates one of the plurality of wide-band image signals based on edge information from the narrow-band image signal separated by the separation unit; and an image generation unit configured to generate a wide-band image by using the wide-band image signal interpolated by the demosaic processing performed by the demosaicing unit and generate a narrow-band image by using the narrow-band image signal.
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公开(公告)号：US20160317004A1
公开(公告)日：2016-11-03
申请号：US14977319
申请日：2015-12-21
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
CPC classification number: A61B1/00006 , A61B1/00009 , A61B1/00186 , A61B1/043 , A61B1/0638 , A61B5/0077 , A61B5/021 , A61B5/02405 , A61B5/02427 , A61B5/02433 , A61B5/14552 , A61B5/443 , H04N5/2256 , H04N5/332
Abstract: An imaging apparatus includes: an imaging element; a filter array including a unit including visible light filters with different transmission spectrum maximum values, and invisible light filters having a transmission spectrum maximum value in an invisible light range of wavelengths longer than those of the visible light band; an optical filter disposed on a light-receiving surface of the filter array, the optical filter transmitting light included in either a first wavelength band that includes the respective transmission spectrum maximum values of the visible light filters or a second wavelength band that includes the transmission spectrum maximum value of the invisible light filters; and a first light source that emits, toward the subject, light having a wavelength within the second wavelength band, light of a first wavelength having a half-value width less than or equal to half of the second wavelength band.
Abstract translation: 一种成像装置，包括：成像元件; 包括具有不同透射光谱最大值的可见光滤光器的单元的滤光器阵列以及在比可见光波段长的波长的不可见光范围内具有透射光谱最大值的不可见光滤光器; 滤光器，其布置在所述滤光器阵列的光接收表面上，所述滤光器透射包括在包括所述可见光滤光器的各个透射光谱最大值的第一波长带中的光或包括所述透射光谱的第二波长带 不可见光滤光片的最大值; 以及朝向被摄体发射具有第二波长带内的波长的光的第一光源，具有小于或等于第二波长带的一半的半值宽度的第一波长的光。
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3.发明申请公开(公告)号：US20170360275A1
公开(公告)日：2017-12-21
申请号：US15408590
申请日：2017-01-18
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
CPC classification number: A61B1/00009 , A61B1/00045 , A61B1/00055 , A61B1/042 , A61B1/043 , A61B1/045 , A61B1/0653 , A61B1/0669 , A61B1/07 , G02B23/2461 , G02B23/2484 , H04N5/2256 , H04N5/262 , H04N2005/2255
Abstract: An image processing method includes: sequentially generating fluorescent image data in accordance with light intensity of a wavelength component emitted from a fluorescent agent having been administered to a subject irradiated with excitation light, based on image data of the subject each time the image data is generated; sequentially calculating a change amount of the light intensity based on two sets of temporally successive fluorescent image data each time the fluorescent image data is generated; determining whether the change amount is not less than a first threshold indicating fluorescence expression; determining whether the change amount is less than a second threshold indicating a steady state of fluorescence after the change amount is determined to be not less than the first threshold; and outputting a message that fluorescence of the fluorescent agent is in the steady state if the change amount is determined to be less than the second threshold.
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4.发明申请公开(公告)号：US20170135555A1
公开(公告)日：2017-05-18
申请号：US15408621
申请日：2017-01-18
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
IPC: A61B1/00 , G02B23/24 , A61B5/00 , A61B1/06 , A61B5/1455 , A61B5/1459 , H04N5/225 , A61B1/04
CPC classification number: A61B1/00009 , A61B1/00006 , A61B1/0002 , A61B1/0005 , A61B1/00055 , A61B1/00057 , A61B1/00186 , A61B1/043 , A61B1/0638 , A61B1/0646 , A61B1/0653 , A61B5/0035 , A61B5/0071 , A61B5/14551 , A61B5/14556 , A61B5/1459 , A61B5/7203 , A61B5/7278 , A61B5/7425 , A61B5/743 , A61B2576/00 , G02B23/2461 , G02B23/2484 , H04N5/2256 , H04N2005/2255
Abstract: An image processing method includes: acquiring correction data for correcting first image data into second image data, the first image data being generated by an imaging device when a subject is irradiated with three rays of narrow band light having wavelength bands narrower than those of spectral sensitivity of pixels R, G, and B, and having spectrum peaks within wavelength bands of the spectral sensitivity of the pixels R, G, and B, and the second image data being deemed to be generated by the imaging device when white light is emitted; acquiring the first image data when the subject is irradiated with the three rays of narrow band light; generating color image data of the second image data using the first image data and the correction data; and calculating oxygen saturation of the subject using a pixel value R and a pixel value G included in the first image data.
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5.发明申请公开(公告)号：US20160317098A1
公开(公告)日：2016-11-03
申请号：US14977396
申请日：2015-12-21
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
CPC classification number: A61B5/7278 , A61B1/00009 , A61B1/00186 , A61B1/043 , A61B1/0638 , A61B5/0205 , A61B5/0215 , A61B5/02405 , A61B5/02416 , A61B5/14542 , A61B5/443 , A61B5/4884 , A61B5/489 , H04N5/2256 , H04N5/23219 , H04N5/332
Abstract: An imaging apparatus includes: an imaging element that generates image data by photoelectrically converting light received by pixels; a filter array including a unit including different types of visible light filters with different transmission spectrum maximum values within a visible light band, and invisible light filters having a transmission spectrum maximum value in an invisible light range of wavelengths longer than those of the visible light band; a partial area detection unit that detects a partial area of the subject on an image corresponding to the image data; and a vital information generation unit that generates vital information on a subject based on image signals output by pixels, in an imaging area of the imaging element corresponding to the detected partial area, on which the invisible light filters are disposed.
Abstract translation: 一种成像装置包括：成像元件，其通过光电转换由像素接收的光来生成图像数据; 包括具有在可见光带内具有不同透射光谱最大值的不同类型的可见光滤光器的单元的滤光器阵列，以及在不可见光范围内的不可见光范围的不可见光最大值的不可见光最大值，其长度比可见光频带长 ; 部分区域检测单元，其对与所述图像数据对应的图像检测所述被摄体的部分区域; 以及重要信息生成单元，其基于与所检测的部分区域对应的摄像元件的成像区域，基于由像素输出的图像信号，生成关于被摄体的重要信息，在该成像区域上设置有不可见光滤波器。
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Patent Agency Ranking
公开(公告)号：US20210185248A1
公开(公告)日：2021-06-17
申请号：US17181022
申请日：2021-02-22
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
Abstract: An imaging element includes: a pixel portion in which a plurality of pixels are disposed in a two-dimensional matrix; and a color filter including a plurality of filters that have different spectral transmission characteristics from each other in each of a visible region and a near-infrared region and that are disposed on the plurality of pixels, each filter corresponding to each pixel, any one or more of the plurality of filters being configured to transmit light in the near-infrared region, the plurality of filters including a first same-color filter and a second same-color filter which have different transmission wavelength characteristics from each other in a same color wavelength band, have a region with a constant spectral transmittance in each of the visible region and the near-infrared region, and have different spectral transmittances from each other in at least one of the visible region and the near-infrared region.
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公开(公告)号：US20170276847A1
公开(公告)日：2017-09-28
申请号：US15622031
申请日：2017-06-13
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI , Ken IOKA , Sunao KIKUCHI , Yasuhiro KOMIYA , Yasuhiro FUKUNAGA
CPC classification number: G02B5/281 , A61B1/00186 , A61B1/041 , A61B1/0638 , A61B1/0653 , A61B1/0684 , G02B5/0294 , G02B5/201 , G02B13/146 , G02B23/24 , G02F1/0105 , G02F1/133524
Abstract: An imaging system includes: an imaging sensor; a plurality of first band filters and a second band filter, the second band filter being configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of a wavelength band of light that passes through the first band filter; and a light source unit configured to radiate light having a projecting distribution in which at least one of an upper limit value and a lower limit value of a wavelength that are half a maximum value in a light spectrum of a light source is between an upper limit value and a lower limit value of a wavelength that are half the maximum value in the transmission spectrum of the second band filter. A color and a narrowband images are generated from a single image while the light source unit radiates the light.
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公开(公告)号：US20170265731A1
公开(公告)日：2017-09-21
申请号：US15616340
申请日：2017-06-07
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI , Ken IOKA , Sunao KIKUCHI , Yasuhiro KOMIYA , Yasuhiro FUKUNAGA
CPC classification number: A61B1/041 , A61B1/00 , A61B1/00009 , A61B1/00016 , A61B1/0638 , A61B1/0646 , H04N5/2252 , H04N5/2256 , H04N5/33 , H04N5/332 , H04N9/045 , H04N2005/2255 , H04N2209/047
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：US20170258304A1
公开(公告)日：2017-09-14
申请号：US15607485
申请日：2017-05-27
Applicant: OLYMPUS CORPORATION
Inventor： Ken IOKA , Kazunori YOSHIZAKI , Sunao KIKUCHI , Yasuhiro KOMIYA , Yasuhiro FUKUNAGA
CPC classification number: A61B1/041 , A61B1/00004 , A61B1/00186 , A61B1/05 , A61B1/051 , A61B1/06 , G02B23/2415 , G02B23/2461 , G02F1/01 , G03B7/02 , G03B15/03 , G03B35/06 , G03B37/02 , H04N5/2254 , H04N5/2353 , H04N5/238 , H04N2005/2255
Abstract: An imaging device includes an image sensor. The image sensor includes: a light receiving unit having pixels configured to receive light and generate an imaging signal according to an amount of the received light; a color filter having a filter unit disposed corresponding to the pixels, the filter unit including first band filters for passing light of a wavelength band of a primary color or a complementary color and including at least one second band filter for passing narrow-band light whose wavelength band is narrower than the wavelength band of the light passing through each of the first band filters; and an output unit configured to output the imaging signal under conditions that an amount of light incident on a second pixel corresponding to the at least one second band filter is greater than an amount of light incident on each of first pixels corresponding to the first band filters.
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10.发明申请MULTI-AREA WHITE-BALANCE CONTROL DEVICE, MULTI-AREA WHITE-BALANCE CONTROL METHOD, MULTI-AREA WHITE-BALANCE CONTROL PROGRAM, COMPUTER IN WHICH MULTI-AREA WHITE-BALANCE CONTROL PROGRAM IS RECORDED, MULTI-AREA WHITE-BALANCE IMAGE-PROCESSING DEVICE, MULTI-AREA WHITE-BALANCE IMAGE-PROCESSING METHOD, MULTI-AREA WHITE-BALANCE IMAGE-PROCESSING PROGRAM, COMPUTER IN WHICH MULTI-AREA WHITE-BALANCE IMAGE-PROCESSING PROGRAM IS RECORDED, AND IMAGE-CAPTURE APPARATUS 有权多区域白平衡控制设备，多区域白平衡控制方法，多区域白平衡控制程序，多区域白平衡控制程序记录的计算机，多区域白平衡图像处理 设备，多区域白平衡图像处理方法，多区域白平衡图像处理程序，多区域白平衡图像处理程序记录的计算机和图像捕获设备公开(公告)号：US20160269707A1
公开(公告)日：2016-09-15
申请号：US15164438
申请日：2016-05-25
Applicant: OLYMPUS CORPORATION
Inventor： Kazunori YOSHIZAKI
IPC: H04N9/73
Abstract: A multi-area white-balance control device includes a component that divides an inputted image into a plurality of division areas, a component that estimates a lighting-source color temperature for each division area, a component that calculates out color information of an areal image for each division area, and a component that acquires information for white-balance processing on the basis of the lighting-source color temperature and the color information of the areal image for each division in such a manner as to weight, in the information for white-balance processing, a multi-area white-balance factor as more significant in reference to a single-area white-balance factor in a case where the color information has a value higher than a predetermined value, than in a case where the color information fails to have the predetermined value. Thereby, an image with natural color reproduction can be generated.
Abstract translation: 多区域白平衡控制装置包括将输入图像分割成多个分割区域的部件，估计各分割区域的光源色温的分量，计算出区域图像的颜色信息的分量 对于每个划分区域，以及在白色的信息中，以每个划分的方式获取基于每个分区的照明源色温和面积图像的颜色信息的白平衡处理信息的分量 在多色区域白平衡因子中，在颜色信息具有高于预定值的值的情况下，参考单区域白平衡因子的多区域白平衡因子比颜色信息 未能达到预定值。 由此，可以产生具有自然色彩再现的图像。
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