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公开(公告)号：US20190273840A1
公开(公告)日：2019-09-05
申请号：US16308445
申请日：2017-08-30
Applicant: HOYA CORPORATION
Inventor： Takao MAKINO , Yousuke IKEMOTO
Abstract: An electronic endoscope processor has a configuration including: a converting means for converting pieces of pixel data that are made up of n (n≥3) types of color components and constitute a color image in a body cavity into pieces of pixel data that are made up of m (m≥2) types of color components, m being smaller than n; a color component correcting means for correcting the converted pieces of pixel data made up of m types of color components with use of a predetermined color component correction coefficient; and an acquiring means for acquiring an evaluation result related to a target illness based on the corrected pieces of pixel data made up of m types of color components.
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公开(公告)号：US20170112353A1
公开(公告)日：2017-04-27
申请号：US15106978
申请日：2016-02-08
Applicant: HOYA CORPORATION
Inventor： Yousuke IKEMOTO , Tadashi MINAKUCHI , Atsushi KOMORO , Toshio TACHIBANA , Noriko OTA
CPC classification number: A61B1/00009 , A61B1/0002 , A61B1/00041 , A61B1/0005 , A61B1/04 , A61B5/0084 , A61B5/1032 , G06T7/0012 , G06T7/11 , G06T2207/10024 , G06T2207/10068 , G06T2207/30096
Abstract: An image processing apparatus has a color image obtaining means configured obtain color image data representing a color image of biographic tissues, a lesion determining means configured to determine whether each pixel of the color image is of a lesion part based on the color image data, and a marking means configured to apply a mark indicating a position of the lesion part on the color image based on a result of determination, and the mark is configured such that the color image at a background of the mark can be seen.
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公开(公告)号：US20220296123A1
公开(公告)日：2022-09-22
申请号：US17834098
申请日：2022-06-07
Applicant: HOYA CORPORATION
Inventor： Takao MAKINO , Yousuke IKEMOTO
Abstract: An electronic endoscope processor includes a converting means for converting each piece of pixel data that is made up of n (n≥3) types of color components and constitutes a color image of a biological tissue in a body cavity into a piece of pixel data that is made up of m (m≥2) types of color components, m being smaller than n; an evaluation value calculating means for calculating, for each pixel of the color image, an evaluation value related to a target illness based on the converted pieces of pixel data that are made up of m types of color components; and a lesion index calculating means for calculating a lesion index for each of a plurality of types of lesions related to the target illness based on the evaluation values calculated for the pixels of the color image.
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公开(公告)号：US20170098301A1
公开(公告)日：2017-04-06
申请号：US15106955
申请日：2016-02-23
Applicant: HOYA CORPORATION
Inventor： Yousuke IKEMOTO , Tadashi MINAKUCHI , Atsushi KOMORO , Toshio TACHIBANA , Noriko OTA
Abstract: An image processing apparatus has an image data obtaining means configured to obtain image data acquired by photographing biological tissue, a score calculating means configured to calculate a score representing severity degree of lesion of the biological tissue photographed in an image represented by the image data for each pixel based on the image data, a reliability evaluation means configured to evaluate reliability of the score based on the image data, and a score reliability calculating means configured to calculate score reliability which represents a ratio of pixels of which scores having predetermined reliability to all the pixels of the image data.
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Patent Agency Ranking
公开(公告)号：US20190192048A1
公开(公告)日：2019-06-27
申请号：US16308451
申请日：2017-08-30
Applicant: HOYA CORPORATION
Inventor： Takao MAKINO , Yousuke IKEMOTO
CPC classification number: A61B5/1032 , A61B1/00009 , A61B1/045 , A61B5/00 , A61B5/7425 , G06K9/6202 , G06T1/00 , G06T1/60 , H04N7/18
Abstract: An electronic endoscope processor includes a converting means for converting each piece of pixel data that is made up of n (n≥3) types of color components and constitutes a color image of a biological tissue in a body cavity into a piece of pixel data that is made up of m (m≥2) types of color components, m being smaller than n; an evaluation value calculating means for calculating, for each pixel of the color image, an evaluation value related to a target illness based on the converted pieces of pixel data that are made up of m types of color components; and a lesion index calculating means for calculating a lesion index for each of a plurality of types of lesions related to the target illness based on the evaluation values calculated for the pixels of the color image.
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公开(公告)号：US20180168512A1
公开(公告)日：2018-06-21
申请号：US15554085
申请日：2017-02-03
Applicant: HOYA CORPORATION
Inventor： Yousuke IKEMOTO , Tadashi MINAKUCHI , Atsushi KOMORO , Toshio TACHIBANA , Yoichi HITOKATA , Noriko OTA
Abstract: Provided is a correction data generation method that includes acquiring captured image data by imaging an indicator that is related to a predetermined illness; plotting a real imaging data point that corresponds to the acquired captured image data in a predetermined color space that is associated with the predetermined illness in accordance with a color component of the data point; calculating a correction value for correcting the values of pixels that make up a captured image captured by an electronic endoscope based on the distance between the data point and a predetermined target point in the predetermined color space; and storing the calculated correction value.
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公开(公告)号：US20210321856A1
公开(公告)日：2021-10-21
申请号：US17251930
申请日：2019-09-12
Applicant: HOYA CORPORATION
Inventor： Ryohei KOIZUMI , Yousuke IKEMOTO , Takao MAKINO
Abstract: An electronic endoscope system includes an electronic endoscope, a processor that includes an evaluation unit, and a monitor. The evaluation unit includes an image evaluation value calculation unit that calculates an image evaluation value indicating an intensity of lesion in the living tissue for each of a plurality of images of the living tissue, and a lesion evaluation unit that calculates a representative evaluation value of the image evaluation value from the image evaluation values of the plurality of images corresponding to a plurality of sections for each of the plurality of sections in which a region of the organ is divided using information of an imaging position in the organ whose image is captured and evaluates an extent of the lesion in a depth direction inside the organ using the representative evaluation value.
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公开(公告)号：US20180153384A1
公开(公告)日：2018-06-07
申请号：US15106968
申请日：2016-02-23
Applicant: HOYA CORPORATION
Inventor： Yousuke IKEMOTO , Tadashi MINAKUCHI , Atsushi KOMORO , Toshio TACHIBANA , Noriko OTA
CPC classification number: A61B1/04 , A61B1/00 , G06T5/002 , G06T7/0012 , G06T7/66 , G06T2207/10016 , G06T2207/10024 , G06T2207/10068 , G06T2207/20016 , G06T2207/30096
Abstract: An image processing includes multiple pieces of image data capturing biological tissues, a scene determining device configured to determine a photographic scene based on the color moving image data, a score calculating device calculating a score indicative of seriousness of lesion of the biological tissues captured in the image represented by the image data, based on the image data, and a marking device applying marks indicative of a distribution of the scores on the image. The marking device executes a detailed marking process to apply the marks indicating the distribution of the scores in detail, and a simple marking process to apply the marks indicating the distribution of the scores in a manner simpler than the detailed marking process. The marking means executes one of the detailed marking process and the simple marking process in accordance with the result of determination of the photographic scene.
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9.发明申请LESION EVALUATION INFORMATION GENERATOR, AND METHOD AND COMPUTER READABLE MEDIUM THEREFOR 有权LESION评估信息发生器，以及方法和计算机可读介质公开(公告)号：US20140320620A1
公开(公告)日：2014-10-30
申请号：US14260599
申请日：2014-04-24
Applicant: HOYA CORPORATION , Kyoto University
Inventor： Yousuke IKEMOTO , Hiroshi NAKASE , Minoru MATSUURA , Takuya YOSHINO , Hirokazu HIGUCHI
IPC: A61B1/04
CPC classification number: A61B1/00009 , A61B1/0005 , G06T7/0014 , G06T7/90 , G06T2207/10024 , G06T2207/10068 , G06T2207/30096
Abstract: A lesion evaluation information generator including a processor configured to, when executing processor-executable instructions stored in a memory, determine a hue value and a saturation value of each of pixels of an endoscopic image based on an acquired endoscopic color image data, determine, for at least a part of the pixels of the endoscopic image, a correlation value between color information of each individual pixel and reference color data, based on a hue correlation value between the hue value of each individual pixel and a reference hue value of the reference color data, and a saturation correlation value between the saturation value of each individual pixel and a reference saturation value of the reference color data, and generate an evaluation value for evaluating a severity of a lesion in the endoscopic image, by integrating the correlation value of each individual pixel.
Abstract translation: 一种病变评估信息生成器，包括：处理器，被配置为当执行存储在存储器中的处理器可执行指令时，基于获取的内窥镜彩色图像数据确定内窥镜图像的每个像素的色调值和饱和度值， 基于各个像素的色调值与基准色的参考色调值之间的色调相关值，每个像素的颜色信息与参考色彩数据之间的相关值，至少一部分内窥镜图像的像素， 数据和每个单独像素的饱和度值与参考色彩数据的参考饱和度值之间的饱和度相关值，并且通过对每个像素的相关值进行积分，生成用于评估内窥镜图像中病变严重程度的评价值 个别像素
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