Patents by Inventor Jong Beom Ra

Jong Beom Ra 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: 10945708
    Abstract: A medical image registration method and apparatus are described. By performance of a medical image registration method, a highly accurate registered image, in which breathing deformation information is considered, may be obtained by generation of non-real-time medical images in which the breathing deformation information is reflected before a medical procedure is conducted and by rigid registration of a real-time medical image and the generated non-real-time medical images during the medical procedure.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: March 16, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Youngkyoo Hwang, Jungbae Kim, Youngtaek Oh, Wonchul Bang, Jong Beom Ra, Woo Hyun Nam, Chijun Weon
  • Patent number: 10937209
    Abstract: Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 2, 2021
    Assignees: HITACHI, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Duhgoon Lee, Jong Beom Ra, Kyoung-yong Lee, Toshihiro Rifu, Seungeon Kim, Seokhwan Jang
  • Patent number: 10748293
    Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 18, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
  • Publication number: 20200250860
    Abstract: A medical imaging apparatus includes an X-ray source configured to irradiate X-rays to an object; an X-ray detector configured to detect the X-rays radiated from the X-ray source to obtain projection data; and an image processor configured to reconstruct the projection data based on a motion parameter representing movement of at least one of the object, the X-ray source, and the X-ray detector, and to generate a medical image by applying a weighting process to the reconstructed projection data.
    Type: Application
    Filed: August 6, 2018
    Publication date: August 6, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kihong SON, Jong Beom RA, Seokhwan JANG, Kyoung-Yong LEE, Duhgoon LEE, Do Il KIM, Seungeon KIM
  • Patent number: 10561403
    Abstract: A medical imaging apparatus includes: an ultrasound probe to transmit and receive an ultrasound signal to obtain an ultrasound image of an object; a sensor coupled to the ultrasound probe to provide a position information related to an ultrasound imaging position in the object; and a processor to extract a certain anatomical feature from the ultrasound image and the certain anatomical feature from a medical image, perform a first registration between the medical image and the ultrasound image by matching the certain anatomical feature in the ultrasound image the certain anatomical feature in the medical image, perform a second registration between the sensor and the medical image based on the position information and the first registration, and control a display to display a portion of the medical image corresponding to the ultrasound imaging position based on at least one of the first registration and the second registration.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Dughoon Lee, Woo Hyun Nam
  • Patent number: 10565744
    Abstract: Provided is a medical image processing apparatus including a processor. The processor obtains raw data in a first phase section and generates first motion information by using at least one partial angle reconstruction (PAR) image pair including two PAR images respectively obtained in two phase sections in the first phase section that face each other. The processor also generates a summed image by summing a plurality of PAR images obtained at different phases within the first phase section by using the first motion information Second motion information is generated by updating the first motion information such that an image metric representing motion artifacts is minimized when being calculated from the summed image and a reconstructed image is generated by applying the second motion information to the raw data.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: February 18, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Duhgoon Lee, Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Ji-young Choi, Yongjin Chang
  • Publication number: 20190216435
    Abstract: A medical imaging apparatus includes: an ultrasound probe to transmit and receive an ultrasound signal to obtain an ultrasound image of an object; a sensor coupled to the ultrasound probe to provide a position information related to an ultrasound imaging position in the object; and a processor to extract a certain anatomical feature from the ultrasound image and the certain anatomical feature from a medical image, perform a first registration between the medical image and the ultrasound image by matching the certain anatomical feature in the ultrasound image the certain anatomical feature in the medical image, perform a second registration between the sensor and the medical image based on the position information and the first registration, and control a display to display a portion of the medical image corresponding to the ultrasound imaging position based on at least one of the first registration and the second registration.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu HYUN, Jong Beom RA, Dughoon LEE, Woo Hyun NAM
  • Patent number: 10321886
    Abstract: Disclosed herein are workstation, medical imaging apparatus having the same and method for controlling thereof. The medical imaging apparatus includes an X-ray source configured to irradiate X-rays; an X-ray detector configured to obtain raw data by detecting X-rays irradiated from the X-ray source; and an image processor configured to determine a motion parameter to represent motion of at least one of an object, the X-ray source, and the X-ray detector from a medical image reconstructed based on the obtained raw data, and reconstruct a motion-compensated medical image of the object based on a virtual trajectory of the X-ray source generated based on the determined motion parameter.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: June 18, 2019
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Ji Young Choi, Jong Beom Ra, Seok Hwan Jang, Seung Eon Kim, Duhgoon Lee
  • Patent number: 10278663
    Abstract: Sensor coupled to the ultrasound probe provides position information related to an ultrasound imaging position in the object. A processor performs first registration between the medical image and the ultrasound image based on the anatomical feature in the ultrasound image and a medical image of the object acquired by imaging modality different from the ultrasound apparatus, obtains first registration information which provides a relationship between a coordinate system of the medical image and a coordinate system of the ultrasound image based on the first registration, performs second registration between the sensor and the medical image based on the position information and the first registration information, and obtains second registration information based on the second registration. A display displays a portion of the medical image corresponding to the ultrasound imaging position based on the second registration information. The medical image includes one among SPECT, PET, MR, PET-CT, and PET-MR image.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Duhgoon Lee, Woo Hyun Nam, Won Chul Bang
  • Patent number: 10271822
    Abstract: A medical imaging apparatus includes: an ultrasound probe to transmit and receive an ultrasound signal to obtain an ultrasound image of an object; a sensor coupled to the ultrasound probe to provide a position information related to an ultrasound imaging position in the object; and a processor to extract a certain anatomical feature from the ultrasound image and the certain anatomical feature from a medical image, perform a first registration between the medical image and the ultrasound image by matching the certain anatomical feature in the ultrasound image the certain anatomical feature in the medical image, perform a second registration between the sensor and the medical image based on the position information and the first registration, and control a display to display a portion of the medical image corresponding to the ultrasound imaging position based on at least one of the first registration and the second registration.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Dughoon Lee, Woo Hyun Nam
  • Publication number: 20180220996
    Abstract: A medical imaging apparatus includes: an ultrasound probe to transmit and receive an ultrasound signal to obtain an ultrasound image of an object; a sensor coupled to the ultrasound probe to provide a position information related to an ultrasound imaging position in the object; and a processor to extract a certain anatomical feature from the ultrasound image and the certain anatomical feature from a medical image, perform a first registration between the medical image and the ultrasound image by matching the certain anatomical feature in the ultrasound image the certain anatomical feature in the medical image, perform a second registration between the sensor and the medical image based on the position information and the first registration, and control a display to display a portion of the medical image corresponding to the ultrasound imaging position based on at least one of the first registration and the second registration.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu HYUN, Jong Beom RA, Dughoon LEE, Woo Hyun NAM
  • Publication number: 20180204330
    Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom RA, Seungeon KIM, Kyoung-yong LEE, Toshihiro RIFU, Jonghyon YI, Iljun AHN, Yongjin CHANG, Byung-sun CHOI
  • Publication number: 20180182135
    Abstract: Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.
    Type: Application
    Filed: August 3, 2016
    Publication date: June 28, 2018
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Duhgoon LEE, Jong Beom RA, Kyoung-yong LEE, Toshihiro RIFU, Seungeon KIM, Seokhwan JANG
  • Patent number: 9959631
    Abstract: A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 1, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
  • Patent number: 9955951
    Abstract: There is disclosed an embodiment for performing a calibration of a sensor by using an image registration between a three-dimensional ultrasound image and computerized tomography (CT) image. An ultrasound image forming unit includes an ultrasound probe and forms a three-dimensional ultrasound image of a target object. A sensor is coupled to the ultrasound probe. A memory stores a three-dimensional computed tomography (CT) image of the target object and position information on a position between the three-dimensional ultrasound image and the sensor. A processor performs image registration between the three-dimensional CT image and the three-dimensional ultrasound image to form a first transformation function for transforming a position of the sensor to a corresponding position on the three-dimensional CT image and performs calibration of the sensor by applying the position information to the first transformation function.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: May 1, 2018
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Duhgoon Lee, Woo Hyun Nam
  • Publication number: 20180005414
    Abstract: Provided is a medical image processing apparatus including a processor. The processor obtains raw data in a first phase section and generates first motion information by using at least one partial angle reconstruction (PAR) image pair including two PAR images respectively obtained in two phase sections in the first phase section that face each other. The processor also generates a summed image by summing a plurality of PAR images obtained at different phases within the first phase section by using the first motion information Second motion information is generated by updating the first motion information such that an image metric representing motion artifacts is minimized when being calculated from the summed image and a reconstructed image is generated by applying the second motion information to the raw data.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 4, 2018
    Inventors: Duhgoon LEE, Jong Beom RA, Seungeon KIM, Kyoung-yong LEE, Ji-young CHOI, Yongjin CHANG
  • Patent number: 9836861
    Abstract: A method of reconstructing a tomography image and a tomography apparatus configured to reconstruct a tomography image are provided. Tomography data corresponding to a moving object is acquired by performing a tomography scan on the object, and a tomography image is reconstructed using prior images obtained based on the acquired tomography data.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: December 5, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Woo-hyun Nam, Jong Beom Ra, Yongjin Chang, Yong-sup Park, Jae-sung Lee, Yunje Cho
  • Patent number: 9782151
    Abstract: A medical imaging apparatus includes an ultrasound probe to transmit and receive an ultrasound signal to obtain an ultrasound image of an object; a sensor coupled to the ultrasound probe to provide a position information related to an ultrasound imaging position in the object; and a processor to extract a certain anatomical feature from the ultrasound image and the certain anatomical feature from a medical image of the object acquired by an imaging modality different from an ultrasound apparatus, perform a first registration between the medical image and the ultrasound image based on the certain anatomical feature, perform a second registration between the sensor and the medical image based on the position information and the first registration, and control a display to display a portion of the medical image corresponding to the ultrasound imaging position based on the second registration.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Duhgoon Lee, Woo Hyun Nam
  • Patent number: 9779485
    Abstract: A magnetic resonance imaging (MRI) apparatus and an MRI method are provided. The MRI apparatus includes a data acquisition unit configured to acquire a first image by performing an MRI scan on an object. The MRI apparatus further includes an image acquisition unit configured to acquire a second image by performing de-noising filtering on the first image in a spatial domain, acquire a third image based on the first image and the second image, acquire a fourth image by performing low-pass filtering on the third image in a frequency domain, and acquire a final image based on the second image and the fourth image.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: October 3, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jung-hwi Eun, Jong Beom Ra
  • Publication number: 20170209111
    Abstract: Disclosed herein are workstation, medical imaging apparatus having the same and method for controlling thereof. The medical imaging apparatus includes an X-ray source configured to irradiate X-rays; an X-ray detector configured to obtain raw data by detecting X-rays irradiated from the X-ray source; and an image processor configured to determine a motion parameter to represent motion of at least one of an object, the X-ray source, and the X-ray detector from a medical image reconstructed based on the obtained raw data, and reconstruct a motion-compensated medical image of the object based on a virtual trajectory of the X-ray source generated based on the determined motion parameter.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Inventors: Ji Young Choi, Jong Beom Ra, Seok Hwan Jang, Seung Eon Kim, Duhgoon Lee