Patents by Inventor Seung-Chang Lee

Seung-Chang Lee 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: 12262003
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra-prediction mode for a current block, determining whether or not a left boundary or an upper boundary of the current block is a boundary of a predetermined image region, configuring a reference sample by using at least one reconstructed sample included in at least one reconstructed sample line adjacent to the current block based on the determination result, and performing intra-prediction for the current block based on the intra-prediction mode and the reference sample.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: March 25, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Hyun Cho, Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Dong San Jun, Jin Ho Lee, Ha Hyun Lee, Hui Yong Kim, Jin Soo Choi
  • Patent number: 12262001
    Abstract: An image encoding/decoding method and apparatus are provided. An image encoding method performed by an image encoding apparatus may comprise determining an intra-prediction mode of a current block, configuring a reference sample of intra prediction by using at least one of a neighbor pixel of the current block in a current picture and a pixel of a reference picture, and performing intra prediction for the current block based on the intra-prediction mode and the reference sample.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: March 25, 2025
    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, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi, Gwang Hoon Park, Tae Hyun Kim, Dae Young Lee
  • Publication number: 20250097430
    Abstract: The present invention relates to a video encoding and decoding method. A video decoding method for the same may include: obtaining granularity information; determining a sharing region based on the granularity information; and generating a prediction block of a current block by using motion information of the sharing region when the current block corresponds to the sharing region.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250097431
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra prediction mode for a current block, selecting at least one reconstructed sample line neighboring to the current block, constructing a reference sample using at least one reconstructed sample included in the at least one reconstructed sample line, and performing intra prediction for the current block based on the intra prediction mode and the reference sample.
    Type: Application
    Filed: October 9, 2024
    Publication date: March 20, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250083581
    Abstract: The present disclosure provides a pneumatic and vibration providing device for a vehicle seat, the pneumatic and vibration providing device including a first air bladder mounted in a seatback and configured to be inflated and deflated in the seatback, and a vibration motor disposed on a front portion of the first air bladder and configured to selectively generate vibration, wherein the vibration motor has a fusion sheet provided on one surface side thereof, wherein the fusion sheet has an edge portion entirely fixed to the first air bladder by thermal fusion.
    Type: Application
    Filed: August 23, 2024
    Publication date: March 13, 2025
    Inventors: Seung Yun YEO, Gu Chang KANG, Ui Jeong LEE
  • Publication number: 20250071267
    Abstract: An image decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples including left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: 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
  • Publication number: 20250071268
    Abstract: An image decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples including left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: 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
  • Publication number: 20250071266
    Abstract: An mage decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples being left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: 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: 12231630
    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: Grant
    Filed: October 4, 2023
    Date of Patent: February 18, 2025
    Assignee: LX SEMICON CO., LTD.
    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: 12225189
    Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: February 11, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Ha Hyun Lee, Jin Ho Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Patent number: 12225222
    Abstract: The present invention relates to an image encoding/decoding method and device. The image decoding method according to the present invention comprises the steps of: decoding a prediction mode index; determining whether the prediction mode index indicates function-based intra prediction; inducing a parameter (s) for generating a function, when the prediction mode index indicates the function-based intra prediction; generating the function on the basis of the induced parameter (s); and performing intra prediction by using the generated function.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: February 11, 2025
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Seung Hyun Cho, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Ha Hyun Lee, Dong San Jun, Hui Yong Kim, Byeung Woo Jeon, Nam Uk Kim, Seung Su Jeon, Jin Soo Choi
  • Patent number: 12225240
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: February 11, 2025
    Assignees: Electronics and Telecommunications Research Institute, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Jin Ho Lee, Dong San Jun, Ha Hyun Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi, Yung Lyul Lee, Jun Woo Choi
  • Publication number: 20250036529
    Abstract: A method for restoring data and a non-volatile memory performing the restore operation are disclosed. If a restore command is applied, an internal read command is generated to sequentially designate the addresses. A read operation is performed on the designated address, and the number of error bits in a code word is compared with a reference number of error bits. Depending on the result of the comparison, an update or restore operation on a corrected code word for the designated address is selectively performed.
    Type: Application
    Filed: November 28, 2022
    Publication date: January 30, 2025
    Inventors: Yong Hwan NOH, Seung Min LEE, Dong Min KIM, Hyo Chang KIM
  • Patent number: 12212742
    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: Grant
    Filed: July 27, 2023
    Date of Patent: January 28, 2025
    Assignee: LX Semicon Co., Ltd.
    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
  • Publication number: 20250030849
    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: October 8, 2024
    Publication date: January 23, 2025
    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
  • Publication number: 20250030844
    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: Application
    Filed: October 8, 2024
    Publication date: January 23, 2025
    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
  • Publication number: 20250024844
    Abstract: A cart treatment system according to the present invention includes: a pre-treatment module for cart treatment; an intermediate module provided to receive and treat the cart which is treated in the pre-treatment module; and a post-treatment module provided to receive and treat the cart which is treated in the intermediate module, wherein the intermediate module is provided to be put in either a coupled state in which the pre-treatment module is coupled to the post-treatment module or a detached state in which the pre-treatment module is detached from the post-treatment module.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 23, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Chun Myung CHOI, Gi Chang LEE, Seung Hoon LEE, Seung Ho LEE, Jae Gyoung KIM
  • Publication number: 20250020214
    Abstract: A packing according to the present invention includes: an expansion part inserted into a groove formed in an annular shape on an outer side surface of an installation target and including an expansion space, into which air flows, provided therein; and a sealing part connected to a side surface which faces an outer side of the groove among the side surfaces of the expansion part, and provided to press a pressed target by being pushed to an outside of the groove as the expansion part expands to maintain airtightness of a boundary between the installation target and the pressed target adjacent to the installation target.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 16, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Chun Myung CHOI, Gi Chang LEE, Jae Gyoung KIM, Seung Ho LEE, Seung Hoon LEE
  • Patent number: 12183852
    Abstract: A method of forming a semiconductor structure includes providing a substrate comprising a first material portion and a single crystal silicon layer on the first material portion. The substrate further comprises a major front surface, a major backside surface opposing the major front surface, and a plurality of grooves positioned in the major front surface. A buffer layer is deposited in one or more of the plurality of grooves. A semiconductor material is epitaxially grown over the buffer layer and in the one or more plurality of grooves, the epitaxially grown semiconductor material comprising a hexagonal crystalline phase layer and a cubic crystalline phase structure disposed over the hexagonal crystalline phase.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: December 31, 2024
    Inventors: Steven R. J. Brueck, Seung-Chang Lee, Christian Wetzel, Mark Durniak
  • Patent number: 11469104
    Abstract: Provided is a method for growing a nanowire, including: providing a substrate with a base portion having a first surface and at least one support structure extending above or below the first surface; forming a dielectric coating on the at least one support structure; forming a photoresist coating over the substrate; forming a metal coating over at least a portion of the dielectric coating; removing a portion of the dielectric coating to expose a surface of the at least one support structure; removing a portion of the at least one support structure to form a nanowire growth surface; growing at least one nanowire on the nanowire growth surface of a corresponding one of the at least one support structure, wherein the nanowire comprises a root end attached to the growth surface and an opposing, free end extending from the root end; and elastically bending the at least one nanowire.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: October 11, 2022
    Inventors: Seung-Chang Lee, Steven R. J. Brueck