Patents by Inventor Dong Won Choi

Dong Won Choi 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: 20250008090
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Application
    Filed: September 9, 2024
    Publication date: January 2, 2025
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Patent number: 12184838
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: December 31, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jin Ho Lee, Hyun Suk Ko, Jung Won Kang, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Patent number: 12178902
    Abstract: A method of treating impaired lymphatic function in a subject is provided. The method includes a step of inducing activation of Piezo1 ion channels in lymphatic tissues of a subject having impaired lymphatic function. Similarly, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg. Finally, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: December 31, 2024
    Assignee: University of Southern California
    Inventors: Young-Kwon Hong, Dong-Won Choi
  • Publication number: 20240430446
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20240430405
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Application
    Filed: September 4, 2024
    Publication date: December 26, 2024
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Publication number: 20240430445
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20240430443
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20240430444
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20240429601
    Abstract: The present invention relates to a full analog phase shifter, and more particularly, comprises: a variable switch panel comprising a first conductive pattern terminal and a second conductive pattern terminal; and a pattern PCB on which a plurality of array antenna elements are arranged and a transmission line at which the first conductive pattern terminal and the second conductive pattern terminal come into contact is pattern-printed, wherein, assuming that two variable switch panels are disposed in the vertical direction, the two variable switch panels are provided as a slider type that slides in the vertical direction so that, due to a phase shift caused by the contact between the first conductive pattern terminal and the second conductive pattern terminal and the transmission line, phases of the plurality of array antenna elements are linearly distributed on a same reference phase plane, thereby providing the advantage of easily implementing a mirror symmetry structure having a linear phase distribution on
    Type: Application
    Filed: September 9, 2024
    Publication date: December 26, 2024
    Applicant: KMW INC.
    Inventors: Sung Hwan SO, Eui Song CHOI, Seong Man KANG, Dong Hee SHIN, Hwa Yeol JANG, Yong Won SEO, Won Jun PARK, Gyo Jin JO
  • Publication number: 20240430404
    Abstract: The present invention provides a method and apparatus for encoding/decoding an image to enhance inter prediction. According to the present invention, the method includes: determining a first reference picture and a second reference picture of a current block; determining both a first reference block in the first reference picture and a second reference block in the second reference picture; partitioning the current block into a plurality of sub blocks; and obtaining a prediction block of each of the sub blocks on the basis of reference candidate block index information of each of the sub blocks.
    Type: Application
    Filed: August 23, 2024
    Publication date: December 26, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Jung Won KANG, Sung Chang LIM, Hyun Suk KO, Jin Ho LEE, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20240430413
    Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Patent number: 12177515
    Abstract: According to an embodiment of the present disclosure, there is provided a method and apparatus for transmitting/receiving a digital broadcast. The method for transmitting a digital broadcast, the method comprising: configuring AV data; configuring broadcast data; configuring application signaling information (ASI) by considering at least one of the AV data and the broadcast data or combination thereof; configuring an MPEG-based transport stream by multiplexing the AV data, the broadcast data and the ASI; and transmitting the MPEG-based transport stream, wherein the ASI includes data for driving an application executed by a broadcast receiver.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: December 24, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joon Young Jung, Je Won Lee, Dong Joon Choi
  • Patent number: 12171258
    Abstract: An aerosol-generating article according to one embodiment includes a medium portion; a first hollow tube disposed to face a downstream end of the medium portion and including a first hollow; a cooling portion disposed next to a downstream side of the first hollow tube, including a second hollow tube including a second hollow having a diameter equal to or greater than a diameter of the first hollow and a cooling element; a filter portion disposed to face the downstream end of the cooling portion; and a wrapper wrapping at least a portion of the medium portion, the first hollow tube, the cooling portion, and the filter portion.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 24, 2024
    Assignee: KT&G CORPORATION
    Inventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
  • Patent number: 12178098
    Abstract: A display device, includes: a display area including an upper side, a lower side, a left side, a right side, and inclined corner portions where the upper, lower, left, and right sides meet; a demultiplexing circuit unit adjacent to the lower side of the display area and the corner portion connected thereto; and a scan transmission line which extends toward the display area from an outer side of the left side and overlaps with the demultiplexing circuit unit outside the corner portion, wherein the demultiplexing circuit unit includes a demultiplexer transistor, and the scan transmission line is formed of a different conductive layer from an electrode of a demultiplexer transistor.
    Type: Grant
    Filed: January 26, 2024
    Date of Patent: December 24, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Han Sung Bae, Se Ho Kim, Sun Ja Kwon, Dong Wook Kim, Jun Yong An, Sang Moo Choi, Jun Won Choi
  • Publication number: 20240405981
    Abstract: The present disclosure according to at least one embodiment provides a method of processing operations of a polynomial-based security algorithm, the method being performed by a computing system. The method comprises identifying a plurality of operations using secret information in the polynomial-based security algorithm, generating a random index to be applied to the identified operations, and performing the operations using the random index.
    Type: Application
    Filed: May 9, 2024
    Publication date: December 5, 2024
    Applicants: SAMSUNG SDS CO., LTD., KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Sang Yub LEE, Jong Hyeok LEE, Jae Seung HAN, Jae Won HUH, Keon Hee CHOI, Dong Guk HAN, Ji Hoon KWON, Hyo Jin YOON, Ji Hoon CHO
  • Patent number: 12160565
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: December 3, 2024
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo
  • Publication number: 20240389643
    Abstract: The present invention provides an aerosol-generating article including a first aerosol-generating substrate portion, a second aerosol-generating substrate portion, and a filter portion containing nicotine, and an aerosol-generating device comprising the same, wherein the second aerosol-generating substrate portion includes an absorber impregnated with a liquid aerosol-generating composition.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Applicant: KT&G CORPORATION
    Inventors: In Su PARK, Dong Kyun KO, Sang Won CHOI, Sun Hwan JUNG, Eun Mi JEOUNG
  • Patent number: 12155821
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: November 26, 2024
    Assignee: LX Semicon Co., Ltd.
    Inventors: Jin Ho Lee, Hyun Suk Ko, Jung Won Kang, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Patent number: 12155859
    Abstract: The present invention relates to a method for encoding and decoding an image. The method for decoding an image includes: deriving an initial motion vector from a merge candidate list of a current block; deriving a refined motion vector using the initial motion vector; and generating a prediction block of the current block using the refined motion vector.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: November 26, 2024
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Ha Hyun Lee, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Publication number: 20240388716
    Abstract: The present invention relates to a method of performing motion compensation by using motion vector prediction. To this end, a method of decoding an image may include: generating multiple motion vector candidate lists according to an inter-prediction direction of a current block; deriving multiple motion vectors for the current block by using the multiple motion vector candidate lists; determining multiple prediction blocks for the current block by using the multiple motion vectors; and obtaining a final prediction block for the current block based on the multiple prediction blocks.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Hyun Suk KO, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI