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公开(公告)号：US09687158B2
公开(公告)日：2017-06-27
申请号：US14242111
申请日：2014-04-01
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe
CPC classification number: A61B5/02042 , A61B1/043
Abstract: Provided is a fluorescence observation apparatus including a light source; a section generating a fluorescence image of an object; a section generating a reference image of the object; a section generating a corrected image in which emphasized are pixels of the reference image corresponding to pixels each having luminance value equal to or more than a first threshold value in the fluorescence image; a display unit displaying the reference image or the corrected image; a bleeding state determining section determining whether or not a bleeding region of the subject detected based on the reference image is more than a predetermined range; and a section switching between displaying the reference image on the display unit if the determining section determines that the region is not more than the range, and displaying the corrected on the image display if the determining section determines that the region is more than the range.
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公开(公告)号：US09198564B2
公开(公告)日：2015-12-01
申请号：US13654870
申请日：2012-10-18
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe
CPC classification number: A61B1/05 , A61B1/00009 , A61B1/043 , A61B1/0638 , A61B5/0071 , A61B5/0084 , G06T7/0012 , G06T2207/10064 , G06T2207/10116
Abstract: Employed is an image processing device including a fluorescence-image generating unit that images fluorescence generated at a subject irradiated with excitation light and generates a fluorescence image; a white-light-image generating unit that images white light returned from the subject irradiated with illumination light and generates a white-light image; a memory that converts the white-light image to a plurality of color signals constituting a color space; an image computing unit that corrects the plurality of color signals converted by the memory using at least one color signal among the plurality of the color signals and the fluorescence image; an image computing unit that generates a corrected image from the plurality of color signals corrected by the image computing unit; and an image combining unit that combines the fluorescence image generated by the fluorescence-image generating unit and the corrected image generated by the image computing unit.
Abstract translation: 采用图像处理装置，其包括：荧光图像生成单元，其对受激发光照射的被摄体产生的荧光进行成像，生成荧光图像; 白光图像生成单元，其对照射了照明光的被摄体返回的白光进行摄像，生成白光图像; 存储器，其将白光图像转换成构成色彩空间的多个彩色信号; 图像计算单元，其使用所述多个颜色信号和所述荧光图像中的至少一个颜色信号来校正由所述存储器转换的所述多个颜色信号; 图像计算单元，其从由所述图像计算单元校正的所述多个颜色信号生成校正图像; 以及组合由荧光图像生成单元生成的荧光图像和由图像计算单元生成的校正图像的图像合成单元。
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公开(公告)号：US20130200273A1
公开(公告)日：2013-08-08
申请号：US13834395
申请日：2013-03-15
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe , Yasushige Ishihara
IPC: G01N21/64
CPC classification number: G01N21/64 , A61B1/00009 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0669 , A61B5/0071 , A61B5/0084 , G01N21/6454 , G01N21/6456 , G01N21/6486 , G06T5/009 , H04N5/2351
Abstract: A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image.
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公开(公告)号：US11160442B2
公开(公告)日：2021-11-02
申请号：US15922159
申请日：2018-03-15
Applicant: OLYMPUS CORPORATION
Inventor： Misa Tsuruta , Toshiaki Watanabe , Yuichi Takeuchi , Hiroki Uchiyama
Abstract: An endoscope apparatus includes a spectroscopic section disposed on an optical axis of return light from an object irradiated with visible light, first excitation light and second excitation light including a longer wavelength than a wavelength of the first excitation light and configured to separate and emit the light of a second wavelength band other than light of a first wavelength band, a first excitation light cut filter configured to block a wavelength band of one of the first excitation light and the second excitation light included in the return light, and a second excitation light cut filter configured to block a wavelength band of another excitation light of the first excitation light and the second excitation light and a wavelength band of the visible light.
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公开(公告)号：US09347830B2
公开(公告)日：2016-05-24
申请号：US14097360
申请日：2013-12-05
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe
CPC classification number: G01J3/2823 , G01J3/26 , G01N21/6456 , G01N2021/6423
Abstract: An apparatus for obtaining spectral image includes a variable spectral element capable of changing its spectral characteristics, a transmission wavelength setting unit for setting a wavelength of light to be transmitted by the variable spectral element, a variable spectral element control unit changing a first control of the variable spectral element and a second control of the variable spectral element for controlling spectral characteristics of the variable spectral element to each other, an image capturing unit capturing an image that is formed by light transmitted by the variable spectral element, and an image correction unit acquiring a difference image between a first image captured in the first control and a second image captured in the second control.
Abstract translation: 用于获得光谱图像的装置包括能够改变其光谱特性的可变光谱元件，用于设置由可变光谱元件发送的光的波长的透射波长设置单元，改变第一控制的可变光谱元素控制单元 可变光谱元件和可变光谱元件的第二控制，用于控制可变光谱元素彼此的光谱特性，捕获由可变光谱元件发射的光形成的图像的图像捕获单元，以及图像校正单元获取 在第一控制中捕获的第一图像与在第二控制中捕获的第二图像之间的差分图像。
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Patent Agency Ranking
公开(公告)号：US08693802B2
公开(公告)日：2014-04-08
申请号：US13834395
申请日：2013-03-15
Applicant: Olympus Corporation
Inventor： Toshiaki Watanabe , Yasushige Ishihara
IPC: G06K9/00
CPC classification number: G01N21/64 , A61B1/00009 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0669 , A61B5/0071 , A61B5/0084 , G01N21/6454 , G01N21/6456 , G01N21/6486 , G06T5/009 , H04N5/2351
Abstract: A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image.
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公开(公告)号：US20130201320A1
公开(公告)日：2013-08-08
申请号：US13834549
申请日：2013-03-15
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe , Yasushige Ishihara
IPC: H04N5/235
CPC classification number: G01N21/64 , A61B1/00009 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0669 , A61B5/0071 , A61B5/0084 , G01N21/6454 , G01N21/6456 , G01N21/6486 , G06T5/009 , H04N5/2351
Abstract: A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image.
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公开(公告)号：US20130200275A1
公开(公告)日：2013-08-08
申请号：US13834898
申请日：2013-03-15
Applicant: OLYMPUS CORPORATION
Inventor： Toshiaki Watanabe , Yasushige Ishihara
CPC classification number: G01N21/64 , A61B1/00009 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0669 , A61B5/0071 , A61B5/0084 , G01N21/6454 , G01N21/6456 , G01N21/6486 , G06T5/009 , H04N5/2351
Abstract: A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image.
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公开(公告)号：US08718397B2
公开(公告)日：2014-05-06
申请号：US13834898
申请日：2013-03-15
Applicant: Olympus Corporation
Inventor： Toshiaki Watanabe , Yasushige Ishihara
IPC: G06K9/00
CPC classification number: G01N21/64 , A61B1/00009 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0669 , A61B5/0071 , A61B5/0084 , G01N21/6454 , G01N21/6456 , G01N21/6486 , G06T5/009 , H04N5/2351
Abstract: A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image.
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公开(公告)号：US11805977B2
公开(公告)日：2023-11-07
申请号：US16907499
申请日：2020-06-22
Applicant: OLYMPUS CORPORATION
Inventor： Masakazu Mizoguchi , Toshiaki Watanabe , Satoshi Takekoshi , Susumu Aono
CPC classification number: A61B1/00009 , A61B1/00006 , A61B1/00045 , A61B1/043 , A61B1/045 , A61B1/05 , A61B1/0661
Abstract: An endoscope system includes a processor configured to generate a clock at predetermined timing, a light source apparatus configured to irradiate white light and excitation light in a time division manner in synchronization with the clock, and an endoscope configured to perform image pickup based on irradiation timing of the light source apparatus. The processor generates a first white light image at a first clock, generates a first fluorescent image at a second clock, generates a second white light image at a third clock, and generates a third white light image at a fourth clock and superimposes the second white light image and the first fluorescent image at the fourth clock and superimposes the third white light image and the first fluorescent image at a fifth clock.
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