Patents by Inventor Jin Keun Seo

Jin Keun Seo 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: 20240144875
    Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.
    Type: Application
    Filed: April 27, 2023
    Publication date: May 2, 2024
    Inventors: Bon Seog GU, Hae Kwan SEO, Jin Young ROH, Jae Keun LIM
  • Publication number: 20240105108
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Application
    Filed: April 19, 2023
    Publication date: March 28, 2024
    Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
  • Patent number: 11942030
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae Kwan Seo, Bon Seog Gu, Jin Young Roh, Jae Keun Lim
  • Patent number: 10989779
    Abstract: An under-sampling apparatus for MR image reconstruction by using machine learning and a method thereof, an MR image reconstruction device by using machine learning and a method thereof, and a recoding medium thereof are disclosed. The disclosed under-smapling apparatus includes: a setting portion that sets a region corresponding to a center of the k-space image as a first region and remaining regions as a second region; and an under-sampling portion that full-samples the first region and under-samples the second region, wherein in the under-sampling performed in the second region, lines are selected at regular intervals and then only the selected line is full-sampled. According to the under-sampling apparatus, a high-resolution MR image can be acquired while reducing imaing time.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 27, 2021
    Assignee: YONSEI UNIVERSITY, UNIVERSITY - INDUSTRY FOUNDATION (UIF)
    Inventors: Chang Min Hyun, Jin Keun Seo, Hwa Pyung Kim, Sung Min Lee, Sung Chul Lee
  • Publication number: 20190101605
    Abstract: An under-sampling apparatus for MR image reconstruction by using machine learning and a method thereof, an MR image reconstruction device by using machine learning and a method thereof, and a recoding medium thereof are disclosed. The disclosed under-smapling apparatus includes: a setting portion that sets a region corresponding to a center of the k-space image as a first region and remaining regions as a second region; and an under-sampling portion that full-samples the first region and under-samples the second region, wherein in the under-sampling performed in the second region, lines are selected at regular intervals and then only the selected line is full-sampled. According to the under-sampling apparatus, a high-resolution MR image can be acquired while reducing imaing time.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 4, 2019
    Inventors: Chang Min HYUN, Jin Keun SEO, Hwa Pyung KIM, Sung Min LEE, Sung Chul LEE
  • Patent number: 8094936
    Abstract: A method and apparatus to segment a motion area in real-time to detect motion in a surveillance camera system are provided. The method includes updating a background image by using a previous input image from among an input image sequence, generating a difference image between a current image of the image sequence and the background image, generating a second function to minimize a first function including regularized energy in the motion area of the difference image and regularized energy in an area without motion of the difference image and segmenting the motion area based on the second function. Therefore, while noise is removed, the motion area is segmented accurately and rapidly even in a low illumination environment so as to detect a moving object.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: January 10, 2012
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Hyen-kyun Woo, Jin-keun Seo, Min-ok Lee
  • Patent number: 8050455
    Abstract: A photographing apparatus and a method for controlling target tracking are provided. The photographing apparatus includes a target extractor for extracting target information in a present frame based on the difference between a pixel value of one pixel among previous pixels constituting the target of the previous frame in an area adjacent to the present pixel constituting the present frame and a pixel value of the present pixel, and a tracking controller for controlling automatic tracking for the target based on the target information. Accordingly, the target can be extracted more precisely.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: November 1, 2011
    Assignee: Samsung Techwin Co., Ltd.
    Inventors: Seung-in Noh, Jin-keun Seo, Suk-ho Lee, Hyun-gun Woo
  • Patent number: 7847565
    Abstract: A system for electrical impedance tomography and method thereof are disclosed, by which electrical characteristics within a measurement target can be precisely detected. The present invention includes the steps of injection a current to a measurement target via at least one electrode pair selected form a plurality of electrodes (250) attached to the measurement target, detecting voltage of a surface of the measurement target using a plurality of voltmeters (260) connected to the electrodes that are not selected, respectively, adjusting gains of the voltmeters according to maximum values of the detected voltages, respectively, amplifying the detected voltages using the gain-adjusted voltmeters, respectively, and imaging an internal part of the measurement target based on the amplified voltages.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: December 7, 2010
    Assignee: University-Industry Cooperation Group of Kyunghee University
    Inventors: Eung Je Woo, Dong In Oh, Jin Keun Seo, Oh In Kwon
  • Patent number: 7514921
    Abstract: System for visualizing conductivity and current density distributions including a plurality of current injecting devices (100) for injecting currents into a measuring object; a measuring unit(200) for measuring a magnetic flux density due to the currents injected into a measuring object; an operating unit(300) for selecting one pair of the current injecting devices in succession so as to inject currents of different directions into the measuring object, and calculating directional components of an anisotropic conductivity inside of the measuring object on the basis of the measured magnetic flux density; and displaying means for visualizing an inside of the measuring object by using the calculated directional components of the anisotropic conductivity.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: April 7, 2009
    Assignee: University-Industry Cooperation Group of Kyunghee University
    Inventors: Eung Je Woo, Jin Keun Seo, Oh In Kwon, Tae Seong Kim, Byung II Lee, Suk Ho Lee
  • Publication number: 20090030336
    Abstract: An apparatus for detecting an anomaly and method thereof are disclosed, by which a size and location of an anomaly of a beast cancer and the like can be precisely detected as well as a presence or non-presence of the anomaly based on data measured on a surface of a body. The present invention includes supplying a first frequency voltage having a first frequency to a measurement target, detecting a first signal induced by the first frequency voltage from the measurement target, supplying a second frequency voltage having a second frequency to the measurement target, detecting a second signal induced by the second frequency voltage from the measurement target, correcting the first and second signals based on slopes of the detected first and second signals, and calculating a location and size of the anomaly within the measurement target based on the corrected first and second signals.
    Type: Application
    Filed: July 28, 2006
    Publication date: January 29, 2009
    Applicant: University-Industry Cooperation Group of Kyunghee University
    Inventors: Eung Je Woo, Dong In Oh, Jin Keun Seo, Oh In Kwon
  • Publication number: 20080292142
    Abstract: A method and apparatus to segment a motion area in real-time to detect motion in a surveillance camera system are provided. The method includes updating a background image by using a previous input image from among an input image sequence, generating a difference image between a current image of the image sequence and the background image, generating a second function to minimize a first function including regularized energy in the motion area of the difference image and regularized energy in an area without motion of the difference image and segmenting the motion area based on the second function. Therefore, while noise is removed, the motion area is segmented accurately and rapidly even in a low illumination environment so as to detect a moving object.
    Type: Application
    Filed: November 19, 2007
    Publication date: November 27, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyen-kyun WOO, Jin-keun Seo, Min-ok Lee
  • Patent number: 7440796
    Abstract: System for visualizing conductivity and current density distributions including a plurality of current injecting devices for injecting currents into a measuring object, an MRI scanner for measuring one directional component of a magnetic flux density due to each of the currents injected into a measuring object, an operating part for controlling the current injecting devices so as to inject currents of different directions into the measuring object, and calculating a conductivity distribution and a current density distribution inside of the measuring object by using the one directional component of a magnetic flux density, and displaying means for visualizing the conductivity and current density distributions calculated by the operating part, thereby permitting to visualize the conductivity and the current density of the measuring object more accurately.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: October 21, 2008
    Assignee: Kohwang Foundation, Kohwang Board of Trustee
    Inventors: Eung Je Woo, Jin Keun Seo, Ohin Kwon
  • Publication number: 20080252304
    Abstract: A system for electrical impedance tomography and method thereof are disclosed, by which electrical characteristics within a measurement target can be precisely detected. The present invention includes the steps of injection a current to a measurement target via at least one electrode pair selected form a plurality of electrodes (250) attached to the measurement target, detecting voltage of a surface of the measurement target using a plurality of voltmeters (260) connected to the electrodes that are not selected, respectively, adjusting gains of the voltmeters according to maximum values of the detected voltages, respectively, amplifying the detected voltages using the gain-adjusted voltmeters, respectively, and imaging an internal part of the measurement target based on the amplified voltages.
    Type: Application
    Filed: July 28, 2006
    Publication date: October 16, 2008
    Applicant: University-Industry Cooperation Group of Kyunghee University
    Inventors: Eung Je Woo, Dong In Oh, Jin Keun Seo, Oh In Kwon
  • Publication number: 20080101655
    Abstract: A photographing apparatus and a method for controlling target tracking are provided. The photographing apparatus includes a target extractor for extracting target information in a present frame based on the difference between a pixel value of one pixel among previous pixels constituting the target of the previous frame in an area adjacent to the present pixel constituting the present frame and a pixel value of the present pixel, and a tracking controller for controlling automatic tracking for the target based on the target information. Accordingly, the target can be extracted more precisely.
    Type: Application
    Filed: June 4, 2007
    Publication date: May 1, 2008
    Inventors: Seung-in Noh, Jin-keun Seo, Suk-ho Lee, Hyun-gun Woo
  • Publication number: 20070203425
    Abstract: Apparatus and method for detecting a lesion, the method including the steps of applying a voltage to an electrode in contact with a part of a body, sensing signals from an examining part of the body by using probe (14) having a plurality of sensing electrodes (143), and calculating a position and a size of a lesion in the body with reference to the signals sensed thus, whereby detecting not only existence of a lesion, but also a position and a size of the lesion.
    Type: Application
    Filed: April 27, 2005
    Publication date: August 30, 2007
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNGHEE UNIVERSITY
    Inventors: Eung Je Woo, Jin Keun Seo, Oh In Kwon
  • Publication number: 20070088210
    Abstract: System for visualizing conductivity and current density distributions including a plurality of current injecting devices (100) for injecting currents into a measuring object; a measuring unit (200) for measuring a magnetic flux density due to the currents injected into a measuring object; an operating unit (300) for selecting one pair of the current injecting devices in succession so as to inject currents of different directions into the measuring object, and calculating directional components of an anisotropic conductivity inside of the measuring object on the basis of the measured magnetic flux density; and displaying means for visualizing an inside of the measuring object by using the calculated directional components of the anisotropic conductivity.
    Type: Application
    Filed: November 23, 2004
    Publication date: April 19, 2007
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNGHEE UNIVERSITY
    Inventors: Eung Je Woo, Jin Keun Seo, Oh In Kwon, Tae Seong Kim, Byung Il Lee, Suk Ho Lee