Patents Assigned to Sejong University
  • Patent number: 12192455
    Abstract: The present invention provides an image encoding method and an image decoding method. The image decoding method, according to the present invention, comprises the steps of: decoding information associated with a clipping range of a current block; and performing sample adaptive offset (SAO) filtering on the basis of the information associated with the clipping range, wherein the information associated with the clipping range may include information on the maximum and minimum values of a pixel value included in the current block.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: January 7, 2025
    Assignee: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee Moon, Dong Jae Won, Sung Won Lim
  • Publication number: 20250008124
    Abstract: A method for decoding an image signal according to the present invention may comprise the steps of: determining whether there is a brightness change between a current image including a current block and a reference image of the current image; if it is determined that there is a brightness change between the current image and the reference image, determining weight prediction parameter candidates for the current block; determining a weight prediction parameter for the current block on the basis of index information which specifies any one of the weight prediction parameter candidates; and performing a prediction on the current block on the basis of the weight prediction parameter.
    Type: Application
    Filed: September 11, 2024
    Publication date: January 2, 2025
    Applicant: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee MOON, Sung Won LIM, Dong Jae WON
  • Patent number: 12184833
    Abstract: Disclosed are an image encoding/decoding method and apparatus. The image decoding method includes decoding coding mode information of a current coding block, dividing the current coding block into at least one prediction block, and generating prediction samples of the at least one prediction block on the basis of the decoded coding mode, in which the coding mode information is information indicating any one mode among intra mode, inter mode, and hybrid mode.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: December 31, 2024
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Dong Jae Won, Sung Won Lim
  • Patent number: 12177431
    Abstract: The present invention provides an image encoding method and an image decoding method. The image encoding method of the present invention comprises: a first dividing step of dividing a current image into a plurality of blocks; and a second dividing step of dividing, into a plurality of sub blocks, a block, which is to be divided and includes a boundary of the current image, among the plurality of blocks, wherein the second dividing step is recursively performed by setting a sub block including the boundary of the current images as the block to be divided, until the sub block including the boundary of the current image does not exist among the sub blocks.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 24, 2024
    Assignee: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee Moon, Sung Won Lim, Dong Jae Won
  • Publication number: 20240414326
    Abstract: A method and an apparatus for image encoding/decoding, according to the present invention, may generate a candidate list of a current block and perform inter-prediction of the current block by using any one of a plurality of candidates belonging to the candidate list. Here, the plurality of candidates comprise at least one from among a spatial candidate, a temporal candidate, and a restoration information-based candidate, and the restoration information-based candidate may be added from a buffer which stores motion information decoded prior to the current block.
    Type: Application
    Filed: August 23, 2024
    Publication date: December 12, 2024
    Applicant: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee MOON, Dong Jae WON, Jae Min HA
  • Publication number: 20240406412
    Abstract: Disclosed are an image encoding/decoding method and apparatus. The method and apparatus select at least one reference pixel line from among multiple reference pixel lines and derive a predicted value of a pixel within a current block by using the value of at least one pixel within the selected reference pixel line(s). Alternatively, the method and apparatus derive an intra prediction mode of a reconstructed pixel region on the basis of a reference pixel region of at least one reconstructed pixel region, derive an intra prediction mode of a current block on the basis of the derived intra prediction mode of the reconstructed pixel region, obtain an intra prediction block of the current block by using the derived intra prediction mode, and reconstruct the current block by summing the obtained intra prediction block and a residual block of the current block.
    Type: Application
    Filed: August 14, 2024
    Publication date: December 5, 2024
    Applicant: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee MOON, Sung Won LIM, Dong Jae WON
  • Patent number: 12158361
    Abstract: A transformer-based anomaly detection apparatus includes: an encoder unit including n encoding blocks having a pyramid structure, and extracting respective multi-scale feature maps having the pyramid structure through respective encoding blocks; a spatio-temporal transformer unit having n spatio-temporal transformers, and generating each multi-scale spatio-temporal attention map in which a temporal feature and a spatial feature for the feature map extracted from each encoding block are emphasized through each spatio-temporal transformer; and a decoder unit including n decoders having a reverse pyramid structure, and generating a prediction frame by using outputs of the multi-scale spatio-temporal attention map and a previous layer decoder through n decoders, and an abnormal event is detected by using the prediction frame.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: December 3, 2024
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yong Guk Kim, Viet Tuan Le
  • Patent number: 12149689
    Abstract: The present invention provides an image encoding method and an image decoding method. The image decoding method, according to the present invention, comprises the steps of: determining a transformation performing region; segmenting the determined transformation performing region into at least one sub-transform block by using at least one of quadtree segmentation and binary tree segmentation; and performing inverse transformation on the at least one sub-transform block.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: November 19, 2024
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Joo Hee Moon, Dong Jae Won, Sung Won Lim
  • Patent number: 12137232
    Abstract: A method for decoding an image signal according to the present invention may comprise the steps of: determining whether there is a brightness change between a current image including a current block and a reference image of the current image; if it is determined that there is a brightness change between the current image and the reference image, determining weight prediction parameter candidates for the current block; determining a weight prediction parameter for the current block on the basis of index information which specifies any one of the weight prediction parameter candidates; and performing a prediction on the current block on the basis of the weight prediction parameter.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: November 5, 2024
    Assignee: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee Moon, Sung Won Lim, Dong Jae Won
  • Patent number: 12126818
    Abstract: A method for decoding an image signal according to the present invention may comprise the steps of: determining whether there is a brightness change between a current image including a current block and a reference image of the current image; if it is determined that there is a brightness change between the current image and the reference image, determining weight prediction parameter candidates for the current block; determining a weight prediction parameter for the current block on the basis of index information which specifies any one of the weight prediction parameter candidates; and performing a prediction on the current block on the basis of the weight prediction parameter.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: October 22, 2024
    Assignee: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee Moon, Sung Won Lim, Dong Jae Won
  • Publication number: 20240348788
    Abstract: Disclosed herein are a method, an apparatus, and a storage medium for image encoding/decoding using geometric partitioning. A target block may be geometrically partitioned, and multiple partitioned regions may be generated from geometric partitioning. Each partitioned region may have a non-square and a non-rectangular shape. Different prediction schemes may be applied to different partitioned regions. The different prediction schemes for multiple partitioned regions may be signaled as explicit information, and may be derived using information about a coding parameter for the target block or the like.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 17, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY
    Inventors: Woong LIM, Jin-Young Lee, Gun Bang, Hui-Yong Kim
  • Patent number: 12112654
    Abstract: A remote training apparatus for a drone flight in a mixed reality includes: a processor; and a memory, wherein the memory stores program instructions executable by the processor to generate a virtual flight space using arrangement information of one or more anchors and tags arranged in a physical space for the flight of the drone, and receive and register a flight training scenario generated in the virtual flight space from a second computer belonging to a remote expert group that remotely communicates with a first computer belonging to a drone operator group, wherein the flight training scenario includes one or more virtual obstacles and one or more flight instruction commands, and at least some of the flight instruction commands are mapped to the one or more virtual obstacles, and receive one or more annotations generated by the remote expert group from the second computer to transmit the annotations to the first computer.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: October 8, 2024
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Soo Mi Choi, Yong Guk Go, Ho San Kang, Jong Won Lee, Mun Su Yu
  • Publication number: 20240323449
    Abstract: An image decoding is performed by steps including: determining whether or not to perform filtering on a boundary of a current block; determining a filtering strength on the boundary of the current block, and a number of samples used in filtering; and performing filtering on the boundary of the current block on the basis of the filtering strength and the number of samples used in filtering, where the number of samples used in filtering is determined on the basis of a size of the current block.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 26, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, CHIPS&MEDIA, INC, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM, Dae Yeon KIM, Wook Je JEONG, Dong Jin PARK, Min Yong JEON, Yung Lyul LEE, Nam Uk KIM, Myung Jun KIM, Ji Youn JUNG, Jae Gon KIM
  • Patent number: 12096002
    Abstract: Disclosed are an image encoding/decoding method and apparatus. The method and apparatus select at least one reference pixel line from among multiple reference pixel lines and derive a predicted value of a pixel within a current block by using the value of at least one pixel within the selected reference pixel line(s). Alternatively, the method and apparatus derive an intra prediction mode of a reconstructed pixel region on the basis of a reference pixel region of at least one reconstructed pixel region, derive an intra prediction mode of a current block on the basis of the derived intra prediction mode of the reconstructed pixel region, obtain an intra prediction block of the current block by using the derived intra prediction mode, and reconstruct the current block by summing the obtained intra prediction block and a residual block of the current block.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: September 17, 2024
    Assignee: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Joo Hee Moon, Sung Won Lim, Dong Jae Won
  • Patent number: 12088809
    Abstract: Disclosed herein is an image decoding method. The method of decoding an image comprises obtaining prediction information and residual signal information for a current block from a bitstream and reconstructing, based on the obtained prediction information and the residual signal information, the current block, wherein the prediction information is obtained through entropy decoding, and wherein a context model used for the entropy decoding of the prediction information is determined based on a prediction mode of a neighboring block of the current block.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 10, 2024
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATIOIN FOUNDATION KOREA AEROSPACE University, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Jin Ho Lee, Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Hui Yong Kim, Jae Gon Kim, Do Hyeon Park, Yung Lyul Lee
  • Publication number: 20240291991
    Abstract: There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.
    Type: Application
    Filed: May 8, 2024
    Publication date: August 29, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONSRE SEARCH INSTITUTE, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AERO SPACE UNIVERSITY, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Yung Lyul LEE
  • Publication number: 20240288436
    Abstract: The present invention relates to an anti-TM4SF4 (TransMembrane 4 Superfamily Member 4) humanized antibody and use thereof. The anti-TM4SF4 humanized antibody of present invention has high affinity for binding specifically to TM4SF4 while exhibiting low immunogenicity in humans, and thus can be advantageously used to detect TM4SF4 or to target cancer cells and cancer stem cells that overexpress TM4SF4.
    Type: Application
    Filed: June 16, 2022
    Publication date: August 29, 2024
    Applicants: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: In Gyu KIM, Chun Jeih RYU, Min Kyu KIM, Rae Kwon KIM, Hwangseo PARK, Mun Ju CHOI, Yeon Jee KAHM, Byung Chul SHIN, U Hee JUNG
  • Publication number: 20240283923
    Abstract: According to the present invention, provided is a method of processing a video signal, the method including: obtaining a transform coefficient of a current block from a bitstream according to a predetermined scanning order; determining an intra prediction mode of the current block on the basis of the transform coefficient; and performing intra prediction on the current block using the intra prediction mode and a neighboring sample adjacent to the current block.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 22, 2024
    Applicant: Industry Academy Cooperation Foundation of Sejong University
    Inventors: Yung Lyul LEE, Nam Uk KIM
  • Patent number: 12069300
    Abstract: Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: August 20, 2024
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY, CHIPS&MEDIA, INC, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
    Inventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Hui Yong Kim, Yung Lyul Lee, Ji Yeon Jung, Nam Uk Kim, Myung Jun Kim, Yang Woo Kim, Dae Yeon Kim, Jae Gon Kim
  • Patent number: 12061731
    Abstract: A security key is configured to be replaced when a device is replaced in a machine-to-machine (M2M) system. A method for operating a first device may include: receiving a first message including first information associated with security key replacement from a second device or a third device; receiving a third message including second information associated with security key replacement, which is generated based on a second message including a security key replacement indication, from the second device or the third device; and replacing the security key.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: August 13, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Jae Seung Song, Min Byeong Lee, Jongmyung Park