Patents by Inventor Hwi Kwon
Hwi Kwon 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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Patent number: 12567152Abstract: A blood vessel image segmentating method according to an embodiment may comprise the steps of: generating a plurality of candidate mask images regarding a target blood vessel by applying a plurality of blood vessel segmentation models on a blood vessel image; evaluating an error level for each of the generated plurality of candidate mask images; and generating a target blood vessel segmentation result from the candidate mask images, on the basis of the evaluated error level.Type: GrantFiled: May 26, 2023Date of Patent: March 3, 2026Assignee: MEDIPIXEL, INC.Inventors: Ji Hoon Kweon, Young Hak Kim, Hwi Kwon
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Patent number: 12518384Abstract: An electronic device according to one embodiment can acquire a first trendline related to vessels from a medical image; determine lesion candidates among the vessels on the basis of the first trendline; acquire a second trendline on the basis of a reference point selected in the vicinity of the lesion candidates; and determine a lesion site among the lesion candidates on the basis of the acquired second trendline.Type: GrantFiled: March 23, 2023Date of Patent: January 6, 2026Assignee: MEDIPIXEL, INC.Inventors: Hwi Kwon, Se Yeong Park, Jihoon Kweon, Young Hak Kim
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Patent number: 12396697Abstract: An electronic device for processing a blood vessel image according to an embodiment may include: an arc-shaped C-arm open toward the isocenter; a radiation source connected to the C-arm and emitting radiation to a target blood vessel located on a table; and a processor for computing a target distance from the radiation source to the target blood vessel, on the basis of a first vertical distance from the isocenter to the table and a second vertical distance from the target blood vessel to the table, and computing a physical distance of the target blood vessel by using the computed target distance, from a blood vessel image obtained using radiation.Type: GrantFiled: May 2, 2023Date of Patent: August 26, 2025Assignee: Medipixel, Inc.Inventors: Jung-Min Ahn, Young Rak Choi, Hwi Kwon, Min Hyung Kim
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Publication number: 20250174005Abstract: A vascular image processing method performed by a processor includes extracting, from a vascular image, a first vascular region corresponding to an entire blood vessel included in the vascular image, a second vascular region corresponding to a target vessel and one or more branch vessels connected to the target vessel, and a third vascular region corresponding to the target vessel, and predicting a vascular structure in the vascular image, based on the first vascular region, the second vascular region, and the third vascular region, which are extracted from the vascular image.Type: ApplicationFiled: November 19, 2024Publication date: May 29, 2025Inventors: Jihoon Kweon, Kyo Seok Song, Hwi Kwon, Se Yeong Park, Young-Hak Kim, Jee One Park, Young In Kim, Wan Yeong Kim, Yoo Jung Kim, Yun Hee Lee
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Publication number: 20250169784Abstract: An electronic device for processing a blood vessel image according to an embodiment may include: an arc-shaped C-arm open toward the isocenter; a radiation source connected to the C-arm and emitting radiation to a target blood vessel located on a table; and a processor for computing a target distance from the radiation source to the target blood vessel, on the basis of a first vertical distance from the isocenter to the table and a second vertical distance from the target blood vessel to the table, and computing a physical distance of the target blood vessel by using the computed target distance, from a blood vessel image obtained using radiation.Type: ApplicationFiled: May 2, 2023Publication date: May 29, 2025Inventors: Jung-Min Ahn, Young Rak Choi, Hwi Kwon, Min Hyung Kim
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Publication number: 20250166177Abstract: An electronic device according to one embodiment can acquire a first trendline related to vessels from a medical image; determine lesion candidates among the vessels on the basis of the first trendline; acquire a second trendline on the basis of a reference point selected in the vicinity of the lesion candidates; and determine a lesion site among the lesion candidates on the basis of the acquired second trendline.Type: ApplicationFiled: March 23, 2023Publication date: May 22, 2025Inventors: Hwi Kwon, Se Yeong Park, Jihoon Kweon, Young Hak Kim
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Publication number: 20250157032Abstract: A method for processing a cardiovascular image for detection of cardiovascular lesions is provided, which is performed by one or more processors of a computing device. The method includes receiving a cardiovascular image, acquiring a first image mask corresponding to at least a part of blood vessels included in the cardiovascular image, acquiring a centerline image mask corresponding to centerlines of at least the part of blood vessels included in the cardiovascular image, extracting a first image patch from the cardiovascular image, extracting a second image patch from the centerline image mask, generating a refined third image patch by performing, based on the first image patch and the second image patch, a local refinement, and generating, based on the refined third image patch and the first image mask, a refined second image mask.Type: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Inventors: Hyunwoo Kim, Hwi Kwon
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Patent number: 12229956Abstract: A method for processing a cardiovascular image for detection of cardiovascular lesions is provided, which is performed by one or more processors of a computing device. The method includes receiving a cardiovascular image, acquiring a first image mask corresponding to at least a part of blood vessels included in the cardiovascular image, acquiring a centerline image mask corresponding to centerlines of at least the part of blood vessels included in the cardiovascular image, extracting a first image patch from the cardiovascular image, extracting a second image patch from the centerline image mask, generating a refined third image patch by performing, based on the first image patch and the second image patch, a local refinement, and generating, based on the refined third image patch and the first image mask, a refined second image mask.Type: GrantFiled: May 11, 2023Date of Patent: February 18, 2025Assignee: Medipixel, Inc.Inventors: Hyunwoo Kim, Hwi Kwon
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Patent number: 12211250Abstract: A vascular image processing method performed by a processor includes extracting, from a vascular image, a first vascular region corresponding to an entire blood vessel included in the vascular image, a second vascular region corresponding to a target vessel and one or more branch vessels connected to the target vessel, and a third vascular region corresponding to the target vessel, and predicting a vascular structure in the vascular image, based on the first vascular region, the second vascular region, and the third vascular region, which are extracted from the vascular image.Type: GrantFiled: December 8, 2021Date of Patent: January 28, 2025Assignee: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Kyo Seok Song, Hwi Kwon, Se Yeong Park, Young-Hak Kim, Jee One Park, Young In Kim, Wan Yeong Kim, Yoo Jung Kim, Yun Hee Lee
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Patent number: 12175631Abstract: The present disclosure relates to a method, performed by a processor, for processing a blood vessel image from a blood vessel image, the method comprising the steps of: extracting a target blood vessel from a blood vessel image; determining a region of interest (ROI) in an extraction result of the target blood vessel on the basis of a first input received from a user; and within the determined ROI, identifying an error portion in the extraction result on the basis of a second input received from the user, and correcting the identified error portion.Type: GrantFiled: July 11, 2023Date of Patent: December 24, 2024Assignee: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Hwi Kwon
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Patent number: 12039729Abstract: A method, performed by a processor, for processing a blood vessel image from an angiography image may comprise the steps of: extracting a target blood vessel from a blood vessel image; identifying an error portion from the extraction result of the target blood vessel on the basis of at least one of blood vessel structure data related to the target blood vessel, curvature information of the target blood vessel, diameter information of the target blood vessel, and brightness information of the target blood vessel; and in response to a case where an error portion is identified in the target blood vessel, correcting the identified error portion.Type: GrantFiled: February 5, 2021Date of Patent: July 16, 2024Assignee: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Hwi Kwon
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Publication number: 20240221355Abstract: A vascular image processing method performed by a processor includes extracting, from a vascular image, a first vascular region corresponding to an entire blood vessel included in the vascular image, a second vascular region corresponding to a target vessel and one or more branch vessels connected to the target vessel, and a third vascular region corresponding to the target vessel, and predicting a vascular structure in the vascular image, based on the first vascular region, the second vascular region, and the third vascular region, which are extracted from the vascular image.Type: ApplicationFiled: December 8, 2021Publication date: July 4, 2024Applicant: MEDIPIXEL, INC.Inventors: Jihoon KWEON, Kyo Seok SONG, Hwi KWON, Se Yeong PARK, Young-Hak KIM, Jee One PARK, Young In KIM, Wan Yeong KIM, Yoo Jung KIM, Yun Hee LEE
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Publication number: 20230368378Abstract: A method for processing a cardiovascular image for detection of cardiovascular lesions is provided, which is performed by one or more processors of a computing device. The method includes receiving a cardiovascular image, acquiring a first image mask corresponding to at least a part of blood vessels included in the cardiovascular image, acquiring a centerline image mask corresponding to centerlines of at least the part of blood vessels included in the cardiovascular image, extracting a first image patch from the cardiovascular image, extracting a second image patch from the centerline image mask, generating a refined third image patch by performing, based on the first image patch and the second image patch, a local refinement, and generating, based on the refined third image patch and the first image mask, a refined second image mask.Type: ApplicationFiled: May 11, 2023Publication date: November 16, 2023Inventors: Hyunwoo Kim, Hwi Kwon
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Publication number: 20230351550Abstract: The present disclosure relates to a method, performed by a processor, for processing a blood vessel image from a blood vessel image, the method comprising the steps of: extracting a target blood vessel from a blood vessel image; determining a region of interest (ROI) in an extraction result of the target blood vessel on the basis of a first input received from a user; and within the determined ROI, identifying an error portion in the extraction result on the basis of a second input received from the user, and correcting the identified error portion.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Applicant: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
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Publication number: 20230298180Abstract: A blood vessel image segmentating method according to an embodiment may comprise the steps of: generating a plurality of candidate mask images regarding a target blood vessel by applying a plurality of blood vessel segmentation models on a blood vessel image; evaluating an error level for each of the generated plurality of candidate mask images; and generating a target blood vessel segmentation result from the candidate mask images, on the basis of the evaluated error level.Type: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicant: MEDIPIXEL, INC.Inventors: Ji Hoon KWEON, Young Hak KIM, Kyo Seok SONG, Hwi KWON
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Patent number: 11741574Abstract: The present disclosure relates to a method, performed by a processor, for processing a blood vessel image from a blood vessel image, the method comprising the steps of: extracting a target blood vessel from a blood vessel image; determining a region of interest (ROI) in an extraction result of the target blood vessel on the basis of a first input received from a user; and within the determined ROI, identifying an error portion in the extraction result on the basis of a second input received from the user, and correcting the identified error portion.Type: GrantFiled: April 28, 2021Date of Patent: August 29, 2023Assignee: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
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Publication number: 20230196559Abstract: A method, performed by a processor, for processing a blood vessel image from an angiography image may comprise the steps of: extracting a target blood vessel from a blood vessel image; identifying an error portion from the extraction result of the target blood vessel on the basis of at least one of blood vessel structure data related to the target blood vessel, curvature information of the target blood vessel, diameter information of the target blood vessel, and brightness information of the target blood vessel; and in response to a case where an error portion is identified in the target blood vessel, correcting the identified error portion.Type: ApplicationFiled: February 5, 2021Publication date: June 22, 2023Applicant: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
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Publication number: 20230186433Abstract: The present disclosure relates to a method, performed by a processor, for processing a blood vessel image from a blood vessel image, the method comprising the steps of: extracting a target blood vessel from a blood vessel image; determining a region of interest (ROI) in an extraction result of the target blood vessel on the basis of a first input received from a user; and within the determined ROI, identifying an error portion in the extraction result on the basis of a second input received from the user, and correcting the identified error portion.Type: ApplicationFiled: April 28, 2021Publication date: June 15, 2023Applicant: MEDIPIXEL, INC.Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon