Patents by Inventor Dong Gyu Hyun

Dong Gyu Hyun 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).

  • Publication number: 20160007973
    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 may display a portion of the medical image corresponding to the ultrasound imaging position based on the second registration information. The medical image includes one of SPECT, PET, MR, PET-CT, and PET-MR image.
    Type: Application
    Filed: September 22, 2015
    Publication date: January 14, 2016
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-gyu HYUN, Jong-bum RA, Duhgoon LEE, Woo-hyun NAM, Won-chul BANG
  • Patent number: 9211105
    Abstract: Embodiments of providing image indicators together with an ultrasound image are disclosed. A mapping table including a plurality of objects each associated with examination locations, each of the examination locations being associated with one or more image indicators. The image indicators include a target organ marker indicative of each object, a body axis marker indicative of an anatomical orientation of each object, and an ultrasound beam direction marker indicative of a transmission direction of the ultrasound beam. A processing unit accesses the storage unit to provide the image indicators corresponding to a target object and examination location selected in response to selection instructions inputted by a user. The processing unit further 3-dimensionally rotates the image indicators based on position information of an ultrasound probe.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Norio Shinozuka
  • Patent number: 9186062
    Abstract: Embodiments for providing a 2-dimensional (D) computerized-tomography (CT) image corresponding to a 2-D ultrasound image through image registration between 3-D ultrasound and CT images are disclosed. An imaging system comprises a CT imaging unit, an ultrasound image forming unit, a storing unit, a processor and a display unit. The processor extracts the 2-D CT image from the 3-D ultrasound-CT registered image by performing a rigid-body transform upon the 3-D ultrasound image and calculating similarities between reference images and the 2-D ultrasound images, wherein the reference images are obtained through the rigid-body transform.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: November 17, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-Gyu Hyun, Jong-Beom Ra, Duhgoon Lee, Woo Hyun Nam
  • Publication number: 20150289855
    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: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Inventors: Dong Gyu HYUN, Jong Beom RA, Duhgoon LEE, Woo Hyun NAM
  • Patent number: 9140790
    Abstract: The present invention relates to an ultrasound system and a method of forming an ultrasound image. The ultrasound system includes: a transmit/receive unit operable to transmit ultrasound signals to a target object and receive ultrasound echo signals to form receive signals based on the received ultrasound echo signals; a signal processing unit operable to form Doppler signals based on the receive signals; and an image processing unit operable to obtain information on a plurality of blood flow velocities at the target object from the Doppler signals, set a reference velocity, compute a dispersion of the plurality of the blood flow velocities with respect to the reference velocity, and form a 3-dimensional image indicating velocity changes at the respective locations in the target object by using the reference velocity and the dispersion.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventor: Dong Gyu Hyun
  • Publication number: 20150213597
    Abstract: Provided is an ultrasound image display method. The ultrasound image display method includes displaying an ultrasound image of an object, selecting at least one region of interest (ROI) in the ultrasound image based on a user input, converting image pixel information corresponding to the at least one ROI into height values, and three-dimensionally displaying a partial ultrasound image corresponding to the at least one ROI by using the height values.
    Type: Application
    Filed: December 4, 2014
    Publication date: July 30, 2015
    Inventors: Dong-Hoon OH, Dong-Gyu HYUN
  • Publication number: 20150209012
    Abstract: Provided is an ultrasound image display method. The ultrasound image display method includes acquiring ultrasound image data of an object, receiving a selection of at least one range of image pixel information acquired from the ultrasound image data, extracting partial image ultrasound image data corresponding to the at least one range from among the ultrasound image data, and three-dimensionally displaying an ultrasound image corresponding to the at least one range by using the partial ultrasound image data.
    Type: Application
    Filed: January 9, 2015
    Publication date: July 30, 2015
    Inventors: Dong-hoon OH, Dong-gyu HYUN
  • Patent number: 9082178
    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: July 29, 2010
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong Gyu Hyun, Jong Beom Ra, Duhgoon Lee, Woo Hyun Nam
  • Patent number: 9047394
    Abstract: Provided are a three-dimensional (3D) ultrasound system and a method for operating the 3D ultrasound system, which are capable of intuitively displaying the abnormality of an object by determining a grade by comparing measurement data obtained by measuring ultrasound data relating to the object and displaying the measurement data in a different way based on the determined grade.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventor: Dong-gyu Hyun
  • Patent number: 8998811
    Abstract: Provided are a three-dimensional (3D) ultrasound system and a method for operating the 3D ultrasound system, which are capable of intuitively displaying the abnormality of an object by determining a grade by comparing measurement data obtained by measuring ultrasound data relating to the object and displaying the measurement data in a different way based on the determined grade.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Medison Co., Ltd.
    Inventor: Dong-gyu Hyun
  • Publication number: 20150093000
    Abstract: Disclosed herein is a medical device including a reader to recognize a command code, and a main body to perform a function matched to the command code recognized by the reader. The medical device may have a small size and be produced at low cost.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 2, 2015
    Inventors: Sang Mok LEE, Dong Gyu HYUN, Jae Moon JO, Seok Won CHOI
  • Publication number: 20150093005
    Abstract: A method of generating a three-dimensional (3D) image of a target object includes acquiring ultrasound data of the target object; and generating the 3D image of the target object by using the ultrasound data so that a part of the target object having attribute information different than attribute information of other parts of the target object is shown on the 3D image differently than the other parts.
    Type: Application
    Filed: September 29, 2014
    Publication date: April 2, 2015
    Inventors: Dong-hoon OH, Dong-gyu HYUN, Han-jun KIM
  • Publication number: 20150080735
    Abstract: Disclosed are an ultrasound information providing method and apparatus. The ultrasound information providing method includes generating a Doppler image from Doppler data of an object, acquiring a guideline indicating a moving path of the object in the Doppler image, correcting the Doppler data on the basis of an angle between the guideline and a beam axis of a probe, and displaying a Doppler image generated from the corrected Doppler data.
    Type: Application
    Filed: September 12, 2014
    Publication date: March 19, 2015
    Inventors: Dong-Gyu HYUN, Seok-Won CHOI
  • Publication number: 20150054761
    Abstract: A user interface (UI) providing method and apparatus that increase the usability of a control panel and quickly and conveniently provide a desired UI to a user. The UI providing method includes detecting a gesture of a hand of a user, determining a touch input UI that corresponds to the detected gesture and is displayed on a screen, and adjusting and displaying the touch input UI on a basis of a distance from the screen to the hand.
    Type: Application
    Filed: August 1, 2014
    Publication date: February 26, 2015
    Inventors: Hyoung-Jin KIM, Mi-Jeoung AHN, Jae-Moon JO, Dong-Gyu HYUN
  • Publication number: 20150057546
    Abstract: A body marker generation method and an ultrasound diagnosis apparatus using the same are provided. The body marker generation method includes capturing an image of a subject by using a three-dimensional (3D) infrared sensor; acquiring position information indicating a position of a probe with respect to the subject; determining a diagnostic part of the subject based on the position information, the diagnostic part being a target object to which the probe transmits an ultrasonic signal; and displaying a body marker for the diagnostic part.
    Type: Application
    Filed: July 24, 2014
    Publication date: February 26, 2015
    Inventors: Ki-Sang YOON, Jae-Moon JO, Dong-Hoon OH, Dong-gyu HYUN
  • Publication number: 20150045673
    Abstract: Disclosed are a probe control method and apparatus and an ultrasound system which apply a mounting signal used to sense a mounting status of a probe, detect the mounting signal transferred through a cable, and automatically activate/deactivate the probe according to a change in a sensed mounting status.
    Type: Application
    Filed: August 11, 2014
    Publication date: February 12, 2015
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Hyoung-Jin KIM, Nam-Woong KIM, Dong-Gyu HYUN
  • Publication number: 20150033195
    Abstract: Provided are a hardware device, a user control apparatus for the same, a medical apparatus including the same, and a method of operating the medical apparatus. The method includes sensing a pattern of a hardware device disposed on an ultrasonic touch screen, and when the sensed pattern matches a stored pattern, determining the hardware device as an input apparatus enabling a user command to be input.
    Type: Application
    Filed: March 12, 2014
    Publication date: January 29, 2015
    Inventors: Gil-ju JIN, Mi-jeoung AHN, Dong-gyu HYUN
  • Publication number: 20150011887
    Abstract: Disclosed are an ultrasound system and method for determining an object, for example, an artery or a vein, and provide object information corresponding to a position of the object. The ultrasound system includes: an ultrasound probe that transmits an ultrasound signal to a body comprising an object, and receives an ultrasound echo signal reflected from the body to generate a reception signal, an ultrasound data acquiring unit that acquires ultrasound data corresponding to the object in the body by using the reception signal, a processing unit that generates Doppler data by using the ultrasound data, analyzes the Doppler data to detect the object, and generates object information corresponding to a position of the detected object, and an object information providing unit that outputs the object information.
    Type: Application
    Filed: July 4, 2014
    Publication date: January 8, 2015
    Inventors: Mi-jeoung AHN, Gil-ju JIN, Dong-gyu HYUN, Jung-taek OH, Jae-moon JO
  • Publication number: 20140357994
    Abstract: Provided are an ultrasound system and a method of detecting a pressure applied to an object through an ultrasound probe. The ultrasound system includes: an ultrasound data acquiring unit configured to acquire, by using an ultrasound probe including a strain gauge that is strained by a pressure applied thereto and has a damping factor and an elasticity factor, ultrasound data corresponding to an object; and a processor configured to generate an ultrasound image by using the ultrasound data, calculate a strain rate of the strain gauge caused by the pressure by using the ultrasound image, and detect the pressure by using the strain rate calculated.
    Type: Application
    Filed: April 23, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Gil-ju JIN, Mi-ri KIM, Saidmurod AKRAMOV, Mi-jeoung AHN, Dong-gyu HYUN
  • Publication number: 20140316271
    Abstract: Embodiments of an ultrasound system for outputting an ultrasound image through an ultrasound examination are disclosed. In one embodiment, an ultrasound system comprises an ultrasound probe, a sensor unit, a processor unit and an input unit. The ultrasound probe transmits and receives an ultrasound beam to and from the examination portion of a target object. The sensor unit is disposed in the ultrasound probe and detects a posture and/or a position of the ultrasound probe to form posture information and/or position information of the ultrasound probe. The processor unit moves an image indicator corresponding to the posture information and/or the position information. The image indicator includes an ultrasound beam direction marker that is indicative of a transmission direction of the ultrasound beam transmitted from the ultrasound probe to the target object. The input unit is configured to control the processor unit.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventor: Dong Gyu HYUN