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).

  • Patent number: 12567152
    Abstract: 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: Grant
    Filed: May 26, 2023
    Date of Patent: March 3, 2026
    Assignee: MEDIPIXEL, INC.
    Inventors: Ji Hoon Kweon, Young Hak Kim, Hwi Kwon
  • Patent number: 12518384
    Abstract: 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: Grant
    Filed: March 23, 2023
    Date of Patent: January 6, 2026
    Assignee: MEDIPIXEL, INC.
    Inventors: Hwi Kwon, Se Yeong Park, Jihoon Kweon, Young Hak Kim
  • Patent number: 12396697
    Abstract: 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: Grant
    Filed: May 2, 2023
    Date of Patent: August 26, 2025
    Assignee: Medipixel, Inc.
    Inventors: Jung-Min Ahn, Young Rak Choi, Hwi Kwon, Min Hyung Kim
  • Publication number: 20250174005
    Abstract: 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: Application
    Filed: November 19, 2024
    Publication date: May 29, 2025
    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
  • Publication number: 20250169784
    Abstract: 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: Application
    Filed: May 2, 2023
    Publication date: May 29, 2025
    Inventors: Jung-Min Ahn, Young Rak Choi, Hwi Kwon, Min Hyung Kim
  • Publication number: 20250166177
    Abstract: 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: Application
    Filed: March 23, 2023
    Publication date: May 22, 2025
    Inventors: Hwi Kwon, Se Yeong Park, Jihoon Kweon, Young Hak Kim
  • Publication number: 20250157032
    Abstract: 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: Application
    Filed: January 15, 2025
    Publication date: May 15, 2025
    Inventors: Hyunwoo Kim, Hwi Kwon
  • Patent number: 12229956
    Abstract: 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: Grant
    Filed: May 11, 2023
    Date of Patent: February 18, 2025
    Assignee: Medipixel, Inc.
    Inventors: Hyunwoo Kim, Hwi Kwon
  • Patent number: 12211250
    Abstract: 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: Grant
    Filed: December 8, 2021
    Date of Patent: January 28, 2025
    Assignee: 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
  • Patent number: 12175631
    Abstract: 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: Grant
    Filed: July 11, 2023
    Date of Patent: December 24, 2024
    Assignee: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Hwi Kwon
  • Patent number: 12039729
    Abstract: 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: Grant
    Filed: February 5, 2021
    Date of Patent: July 16, 2024
    Assignee: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Hwi Kwon
  • Publication number: 20240221355
    Abstract: 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: Application
    Filed: December 8, 2021
    Publication date: July 4, 2024
    Applicant: 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
  • Publication number: 20230368378
    Abstract: 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: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Inventors: Hyunwoo Kim, Hwi Kwon
  • Publication number: 20230351550
    Abstract: 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: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
  • Publication number: 20230298180
    Abstract: 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: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicant: MEDIPIXEL, INC.
    Inventors: Ji Hoon KWEON, Young Hak KIM, Kyo Seok SONG, Hwi KWON
  • Patent number: 11741574
    Abstract: 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: Grant
    Filed: April 28, 2021
    Date of Patent: August 29, 2023
    Assignee: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
  • Publication number: 20230196559
    Abstract: 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: Application
    Filed: February 5, 2021
    Publication date: June 22, 2023
    Applicant: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon
  • Publication number: 20230186433
    Abstract: 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: Application
    Filed: April 28, 2021
    Publication date: June 15, 2023
    Applicant: MEDIPIXEL, INC.
    Inventors: Jihoon Kweon, Young-Hak Kim, Kyo Seok Song, Hwi Kwon