Patents by Inventor Jong-hyon Yi

Jong-hyon Yi 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: 10219771
    Abstract: A radiographic imaging apparatus includes: a radiographic image obtainer configured to acquire a first radiographic image of an object; and a processor configured to obtain attenuation information of the object based on the first radiographic image, determine candidate tube voltages and tube currents based on a quality of a second radiographic image to be obtained, and determine expected exposure doses corresponding to the determined candidate tube voltages and tube currents.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Young Jung, Yeong-seon Kim, Chang Lae Lee, Jong Hyon Yi
  • Patent number: 10213179
    Abstract: Provided are a tomography apparatus and a method for reconstructing a tomography image. The method includes obtaining a plurality of raw data corresponding to a plurality of views by performing a tomography scan on an object and deblurring each of the plurality of raw data based on a point spread function (PSF) that varies according to locations in a field of view (FOV) in a gantry. The method also includes reconstructing a final tomography image in which a motion of the object is corrected from the plurality of deblurred raw data based on a motion vector indicating the motion of the object.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: February 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hyon Yi, Toshihiro Rifu, Ajay Narayanan, Alexander Zamyatin, Seok-min Han
  • Patent number: 10204409
    Abstract: Provided is a medical image processing apparatus and method. The medical image processing apparatus includes: an image processor configured to extract a blood vessel area and at least one contour line of the blood vessel area from a first image representing the blood vessel area, and to obtain a second image representing an area of at least one plaque based on the blood vessel area and the at least one contour line; a display configured to display the second image; and a user interface configured to receive a user input for correcting at least one contour line corresponding to at least one of the at least one plaque represented in the second image, wherein the image processor corrects the second image based on the user input. The medical image processing apparatus may precisely visualize a contour line of the blood vessel area.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: February 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gun-woo Lee, Sang-wook Yoo, Jong-hyon Yi
  • Patent number: 10176568
    Abstract: A tomography apparatus includes an image processor configured to obtain a first image, which is a partial image of an object, by using data obtained from a first angle section corresponding to a first point, and to obtain a second image, which is a partial image of the object, by using data obtained from a second angle section corresponding to a second point subsequent to the first point; and a controller configured to obtain first information representing a brightness change, to obtain second information representing a rate of change in a Hounsfield unit (HU) value between the first point and the second point based on the first information, and to determine a tomography start point of the object based on the second information.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-young Jung, Jong-hyon Yi, Min-kyu Sun
  • Patent number: 10105118
    Abstract: An apparatus and a method of processing a medical image are provided. The apparatus is configured to generate a cross-sectional image of an object by transmitting X-rays through a region of the object, and includes an X-ray generator configured to generate the X-rays. The apparatus further includes a controller configured to determine sub-regions included in the region, based on positions of body parts included in the region, determine image qualities of the sub-regions based on types of the body parts included in the sub-regions, control doses of the X-rays based on the image qualities, and control the X-ray generator to transmit the controlled X-rays to the region.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-young Jung, Toshihiro Rifu, Gun-woo Lee, Jong-hyon Yi, Chang-lae Lee
  • Publication number: 20180211420
    Abstract: A tomography apparatus is provided that include a controller configured to acquire a point spread function (PSF) map representing a PSF that varies according to a position in a field of view (FOV) created within a gantry, and an image processor configured to acquire a final tomography image by deblurring a tomography image based on the acquired PSF map.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 26, 2018
    Inventors: Sang-wook YOO, Jae-guyn LIM, Hyo-geun KIM, Jong-hyon YI, Gun-woo LEE
  • Patent number: 10013778
    Abstract: A tomography apparatus includes a data acquirer configured to obtain a first partial image and a second partial image of an object based on data that is obtained respectively at a first angular section corresponding to a first time and at a second angular section corresponding to a second time during a tomography scan of the object that is moving, a controller configured to determine first information indicating a motion amount of the object in a first area of an entire image based on the first partial image and the second partial image, and determine second information indicating a degree of blur of a point included in the object in the first area based on the first information, and an image processor configured to correct the first area based on the first information and the second information, and output a tomography image based on the corrected first area.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 3, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-wook Yoo, Ajay Narayanan, Toshihiro Rifu, Gun-woo Lee, Jong-hyon Yi
  • Publication number: 20180161010
    Abstract: Provided are an ultrasound image processing method and an ultrasound image processing apparatus. The ultrasound image processing apparatus includes: an ultrasonic probe configured to acquire ultrasound image data with respect to an object by transmitting ultrasound waves to the object; at least one processor configured to generate at least one ultrasound image based on the ultrasound image data, configured to determine, based on the at least one ultrasound image, whether at least one target region included in an imaging list has been imaged, and generate first imaging status information indicating whether the at least one target region has been imaged; and a display configured to display the first imaging status information.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Choong-hwan Choi, Jong-hyon Yi, Gun-woo Lee
  • Patent number: 9844357
    Abstract: A radiographic imaging apparatus includes a radiation irradiator configured to irradiate radiation to an object; a radiation detector configured to detect an intensity of the radiation passing through the object; and a loader configured to load the object, and at least one of a movement speed of the loader and a range of radiation irradiation of the radiation irradiator is changed according to a change in the intensity of the radiation, when the change in the intensity of the radiation is greater than or equal to a threshold value.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: December 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Lae Lee, Rifu Toshihiro, Ji Young Jung, Jong Hyon Yi
  • Publication number: 20170209112
    Abstract: Provided are a tomography apparatus and a method for reconstructing a tomography image. The method includes obtaining a plurality of raw data corresponding to a plurality of views by performing a tomography scan on an object and deblurring each of the plurality of raw data based on a point spread function (PSF) that varies according to locations in a field of view (FOV) in a gantry. The method also includes reconstructing a final tomography image in which a motion of the object is corrected from the plurality of deblurred raw data based on a motion vector indicating the motion of the object.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Inventors: Jong-hyon Yi, Toshihiro Rifu, Ajay Narayanan, Alexander Zamyatin, Seok-min Han
  • Publication number: 20170206681
    Abstract: A tomography method for generating a computed tomography (CT) image, including generating a first tomography image based on first raw data corresponding to a received X-ray comprising acquired photons; determining second raw data by generating a second tomography image having an increased resolution in comparison with the first tomography image and performing forward projection on the second tomography image; determining third raw data based on a first parameter, the first raw data, and the second raw data; and generating a third tomography image based on the third raw data, wherein the determining of the third raw data may be based on information about a distribution of the acquired photons, the information being included in at least one from among the first raw data and the second raw data.
    Type: Application
    Filed: October 31, 2016
    Publication date: July 20, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-hwan CHOI, Seok-min HAN, Sang-wook YOO, Jong-hyon YI
  • Patent number: 9615809
    Abstract: A tomography apparatus includes an image processor configured to reconstruct a tomography image by using pieces of image data that are acquired during partial periods included in a heartbeat period; and a display configured to display a screen image, which includes information representing the heartbeat period, and the reconstructed tomography image, and on which the partial periods and image sections corresponding to the partial periods are displayed in association with each other.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-yong Lee, Dong-jin Yang, Jong-hyon Yi
  • Patent number: 9576391
    Abstract: A tomography apparatus includes a data acquirer which acquires a first image which corresponds to a first time point and a second image which corresponds to a second time point by performing a tomography scan on an object; an image reconstructor which acquires first information which relates to a relationship between a motion amount of the object and the time based on a motion amount between the first image and the second image, predicts a third image which corresponds to a third time point between the first and second time points based on the first information, corrects the first information by using the predicted third image and measured data which corresponds to the third time point, and reconstructs the third image by using the corrected first information; and a display which displays the reconstructed third image.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: February 21, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jong-hyon Yi, Iljun Ahn, Yongjin Chang
  • Publication number: 20160358333
    Abstract: Provided is a medical image processing apparatus and method. The medical image processing apparatus includes: an image processor configured to extract a blood vessel area and at least one contour line of the blood vessel area from a first image representing the blood vessel area, and to obtain a second image representing an area of at least one plaque based on the blood vessel area and the at least one contour line; a display configured to display the second image; and a user interface configured to receive a user input for correcting at least one contour line corresponding to at least one of the at least one plaque represented in the second image, wherein the image processor corrects the second image based on the user input. The medical image processing apparatus may precisely visualize a contour line of the blood vessel area.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 8, 2016
    Inventors: Gun-woo Lee, Sang-wook Yoo, Jong-hyon Yi
  • Publication number: 20160350916
    Abstract: A tomography apparatus includes an image processor configured to obtain a first image, which is a partial image of an object, by using data obtained from a first angle section corresponding to a first point, and to obtain a second image, which is a partial image of the object, by using data obtained from a second angle section corresponding to a second point subsequent to the first point; and a controller configured to obtain first information representing a brightness change, to obtain second information representing a rate of change in a Hounsfield unit (HU) value between the first point and the second point based on the first information, and to determine a tomography start point of the object based on the second information.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-young JUNG, Jong-hyon YI, Min-kyu SUN
  • Publication number: 20160300370
    Abstract: A tomography apparatus includes a data acquirer configured to obtain a first partial image and a second partial image of an object based on data that is obtained respectively at a first angular section corresponding to a first time and at a second angular section corresponding to a second time during a tomography scan of the object that is moving, a controller configured to determine first information indicating a motion amount of the object in a first area of an entire image based on the first partial image and the second partial image, and determine second information indicating a degree of blur of a point included in the object in the first area based on the first information, and an image processor configured to correct the first area based on the first information and the second information, and output a tomography image based on the corrected first area.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 13, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-wook YOO, Ajay NARAYANAN, Toshihiro RIFU, Gun-woo LEE, Jong-hyon YI
  • Publication number: 20160157812
    Abstract: An apparatus and a method of processing a medical image are provided. The apparatus is configured to generate a cross-sectional image of an object by transmitting X-rays through a region of the object, and includes an X-ray generator configured to generate the X-rays. The apparatus further includes a controller configured to determine sub-regions included in the region, based on positions of body parts included in the region, determine image qualities of the sub-regions based on types of the body parts included in the sub-regions, control doses of the X-rays based on the image qualities, and control the X-ray generator to transmit the controlled X-rays to the region.
    Type: Application
    Filed: September 11, 2015
    Publication date: June 9, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-young JUNG, Toshihiro RIFU, Gun-woo LEE, Jong-hyon YI, Chang-lae LEE
  • Publication number: 20160113615
    Abstract: A radiographic imaging apparatus includes a radiation irradiator configured to irradiate radiation to an object; a radiation detector configured to detect an intensity of the radiation passing through the object; and a loader configured to load the object, and at least one of a movement speed of the loader and a range of radiation irradiation of the radiation irradiator is changed according to a change in the intensity of the radiation, when the change in the intensity of the radiation is greater than or equal to a threshold value.
    Type: Application
    Filed: April 24, 2015
    Publication date: April 28, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Lae LEE, Rifu TOSHIHIRO, Ji Young JUNG, Jong Hyon YI
  • Publication number: 20160100816
    Abstract: A radiographic imaging apparatus includes: a radiographic image obtainer configured to acquire a first radiographic image of an object; and a processor configured to obtain attenuation information of the object based on the first radiographic image, determine candidate tube voltages and tube currents based on a quality of a second radiographic image to be obtained, and determine expected exposure doses corresponding to the determined candidate tube voltages and tube currents.
    Type: Application
    Filed: July 8, 2015
    Publication date: April 14, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Young JUNG, Yeong-seon KIM, Chang Lae LEE, Jong Hyon YI
  • Publication number: 20160067402
    Abstract: Disclosed herein are a medical imaging apparatus including a scanner configured to scan an object, an image generator configured to generate a monitoring image to monitor variations in brightness of a region of interest (ROI) of the object, a controller configured to determine a peak of brightness in the monitoring image, and a user interface configured to display the monitoring image and an indicator of the determined peak, and a method of controlling the same. According to the medical imaging apparatus and the method of controlling the same, over-injection of a contrast agent into the object may be prevented while a medical image is acquired, and an image may be obtained when the contrast agent is in an optimum state in consideration of various environmental factors. Accordingly, lesions and diseases may be more accurately determined and interpreted by using the medical image.
    Type: Application
    Filed: June 25, 2015
    Publication date: March 10, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jong Hyon YI