Patents by Inventor Gakuto Aoyama
Gakuto Aoyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240104732Abstract: An image processing apparatus according to an embodiment includes processing circuitry configured: to obtain a medical image to be labeled; to obtain first image data taken by implementing a first imaging method; to specify a feature related to a first organ in the first image data; to receive an imaged range that is in second image data to be taken by implementing a second imaging method and is related to a second organ; to specify a feature related to the imaged range of the second organ corresponding to the imaged range of the second organ in the first image data; and to estimate an imaging parameter that corresponds to the imaged range of the second organ corresponding to the second imaging method, on the basis of the feature related to the first organ and the feature related to the imaged range of the second organ in the first image data.Type: ApplicationFiled: September 28, 2023Publication date: March 28, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yufei LI, Qi ZHU, Gakuto AOYAMA, Changsheng QU
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Patent number: 11931194Abstract: A body fluid analysis device includes processing circuitry. The processing circuitry is configured to set one or more subregions in a region of interest in a medical image. The processing circuitry is configured to set a reference direction for each of the subregions set. The processing circuitry is configured to determine a flow direction of a body fluid for each subregion. The processing circuitry is configured to determine the state of a flow of the body fluid in the region of interest on the basis of the reference direction for each subregion set and the flow direction of the body fluid for each subregion determined.Type: GrantFiled: April 28, 2021Date of Patent: March 19, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto Aoyama
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Patent number: 11880975Abstract: An information processing apparatus includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires history information of image processing using a plurality of medical images. The determination unit determines, using the acquired history information, whether image processing using a first medical image and a second medical image selected by an operator as an image pair to be used in the image processing has already been performed. The output unit outputs a notification in accordance with a result of the determination.Type: GrantFiled: October 7, 2020Date of Patent: January 23, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Kazuhiro Miyasa, Yoshio Iizuka, Gakuto Aoyama
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Publication number: 20230386647Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry and storage circuitry. The processing circuitry acquires a medical image. The processing circuitry extracts a region of interest from the medical image. The processing circuitry sets a calculation rule for calculating a characteristic amount for the region of interest. The storage circuitry stores therein the calculation rule.Type: ApplicationFiled: May 31, 2023Publication date: November 30, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Gakuto AOYAMA, Takuya SAKAGUCHI, Yufei LI, Qi ZHU, Changsheng QU, Yongjun MA
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Publication number: 20230316513Abstract: A medical image processing apparatus of an embodiment includes processing circuitry. The processing circuitry acquires an input image including a region of interest of a subject. The processing circuitry acquires information on an existence probability of the region of interest on the basis of the input image. The processing circuitry calculates an estimated value of a shape of the region of interest on the basis of the input image and the information on the existence probability.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Applicants: Canon Kabushiki Kaisha, CANON MEDICAL SYSTEMS CORPORATIONInventors: Yukiteru MASUDA, Ryo ISHIKAWA, Toru TANAKA, Gakuto AOYAMA
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Publication number: 20230267613Abstract: From a plurality of medical images in time phases, a target site is extracted from at least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.Type: ApplicationFiled: April 28, 2023Publication date: August 24, 2023Inventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
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Patent number: 11694330Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to extract a degree of a disease related to the heart from a medical image; and display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated on the basis of the medical image.Type: GrantFiled: June 16, 2021Date of Patent: July 4, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto Aoyama
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Patent number: 11676277Abstract: From a plurality of medical images in time phases, a target site is extracted from at least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.Type: GrantFiled: October 14, 2021Date of Patent: June 13, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
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Publication number: 20230086533Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a medical image. The processing circuitry is configured to calculate a first blood flow direction on the basis of a structure of a region of interest rendered in the medical image. The processing circuitry is configured to calculate a second blood flow direction on the basis of a structure in the surroundings of the region of interest. The processing circuitry is configured to identify a condition of the region of interest, on the basis of the first blood flow direction and the second blood flow direction.Type: ApplicationFiled: September 19, 2022Publication date: March 23, 2023Applicants: The University of Tokyo, CANON MEDICAL SYSTEMS CORPORATIONInventors: Gakuto AOYAMA, Ichiro SAKUMA, Minoru ONO, Shu TAKAGI, Asuka HATANO, Haruo YAMAUCHI, Eriko MAEDA (Deceased), Naoki TOMII, Hiroyuki TSUKIHARA
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Patent number: 11594327Abstract: An information processing apparatus includes a first acquisition unit that acquires a user's instruction to change medical information to be displayed on a display unit, a second acquisition unit that acquires a plurality of pieces of medical information to be sequentially displayed on the display unit, a group generation unit that groups the acquired plurality of pieces of medical information based on the acquired user's instruction, a third acquisition unit configured to acquire representative information indicating the medical information contained in the group generated by the group generation unit, and an output unit configured to output the acquired representative information to the display unit.Type: GrantFiled: December 18, 2017Date of Patent: February 28, 2023Assignee: Canon Kabushiki KaishaInventors: Takeshi Kubo, Gakuto Aoyama
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Publication number: 20220139564Abstract: A medical data processing device according to an embodiment includes processing circuitry. The processing circuitry acquires estimated data related to a state of a biological organ at a first timing, and actually measured data indicating the state of the biological organ at the first timing. The processing circuitry calculates a parameter based on the estimated data and the actually measured data. The processing circuitry estimates a state of the biological organ in a predetermined time phase at a second timing different from the first timing based on the parameter and the estimated data in the predetermined time phase.Type: ApplicationFiled: October 29, 2021Publication date: May 5, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Junichi OOIDA, Kenichi UEYAMA, Yuichiro OGUCHI, Naoki KIYOHARA, Gakuto AOYAMA
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Publication number: 20220138940Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain medical images taken at a plurality of points in time. The processing circuitry is configured to obtain structures of a plurality of tissues, from medical images taken at a first point in time and at a second point in time different from the first point in time among the plurality of points in time. The processing circuitry is configured to calculate a measurement value related to a contact part between the plurality of tissues at the first point in time, on the basis of the obtained structures of the plurality of tissues at the second point in time and the obtained structures of the plurality of tissues at the first point in time.Type: ApplicationFiled: October 18, 2021Publication date: May 5, 2022Applicants: Canon Kabushiki Kaisha, CANON MEDICAL SYSTEMS CORPORATIONInventors: Yukiteru MASUDA, Gakuto AOYAMA
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Publication number: 20220079539Abstract: A medical image display apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain an image data set of volume data or image data at multiple points in time. The processing circuitry is configured to specify an image of interest indicating an observation cross-sectional plane from the image data set. The processing circuitry is configured to specify a region of interest on the basis of the image data set. The processing circuitry is configured to cause the image of interest and information about the region of interest to be displayed.Type: ApplicationFiled: September 13, 2021Publication date: March 17, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto AOYAMA
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Publication number: 20220044408Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires the distribution of the wall shear stress of a blood vessel. The processing circuitry extracts a representative value or a blood vessel region from the distribution of the wall shear stress in the blood vessel on the basis of an extraction criterion determined for each region in accordance with the shape or the property of the blood vessel. The processing circuitry changes the display mode of the wall shear stress in the blood vessel on the basis of a result of extracting the representative value of the wall shear stress or a characteristic blood vessel region.Type: ApplicationFiled: August 3, 2021Publication date: February 10, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto AOYAMA
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Publication number: 20220036557Abstract: From a plurality of medical images in time phases, a target site is extracted from at least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.Type: ApplicationFiled: October 14, 2021Publication date: February 3, 2022Inventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
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Publication number: 20220028069Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry and an input interface. The processing circuitry obtains the spatial distribution of the wall shear stress values at each position of blood vessels. Moreover, the processing circuitry displays, from an arbitrary angle, a display image formed by assigning the wall shear stress values to a three-dimensional image. The input interface receives an input operation for changing the angle. During the display of the display image formed by assigning the wall shear stress values to the three-dimensional image, the processing circuitry changes the display form of the display image between a rotational display in which the display image is displayed while changing the angle with time, and a nonrotational display in which the angle is not changed.Type: ApplicationFiled: July 27, 2021Publication date: January 27, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto AOYAMA
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Publication number: 20220012878Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to extract a degree of a disease related to the heart from a medical image; and display, when the degree of the disease related to the heart is high, a first index value related to a blood vessel and calculated from one of blood pressure and a blood flow and configured to display, when the degree of the disease related to the heart is low, wall shear stress serving as a second index value related to the blood vessel, as information related to the blood flow of the blood vessel and calculated on the basis of the medical image.Type: ApplicationFiled: June 16, 2021Publication date: January 13, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto AOYAMA
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Publication number: 20210369223Abstract: A body fluid analysis device includes processing circuitry. The processing circuitry is configured to set one or more subregions in a region of interest in a medical image. The processing circuitry is configured to set a reference direction for each of the subregions set. The processing circuitry is configured to determine a flow direction of a body fluid for each subregion. The processing circuitry is configured to determine the state of a flow of the body fluid in the region of interest on the basis of the reference direction for each subregion set and the flow direction of the body fluid for each subregion determined.Type: ApplicationFiled: April 28, 2021Publication date: December 2, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Gakuto AOYAMA
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Patent number: 11176671Abstract: From a plurality of medical images in time phases, a target site is extracted from at least one medical image, a reference point is set on each of a target-site side, and a periphery side of the target site which are on across from each other over an outline of the extracted target site, and movement information for the reference points is calculated.Type: GrantFiled: September 30, 2019Date of Patent: November 16, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Ryo Sakamoto, Koji Sakai, Gakuto Aoyama, Kiyohide Satoh
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Publication number: 20210350912Abstract: A medical image diagnosis apparatus according to an embodiment is installed in an examination room and includes an obtaining unit, a judging unit, and an output unit. The obtaining unit is configured to obtain patient information about a patient undergoing an image diagnosing process that uses the medical image diagnosis apparatus. The judging unit is configured to determine specifics of control related to disinfection, on the basis of the patient information. The output unit is configured to output the determined specifics of the control.Type: ApplicationFiled: May 4, 2021Publication date: November 11, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Ryo SHIROISHI, Gakuto AOYAMA