Patents by Inventor Juock Lee

Juock 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).

  • Publication number: 20230239490
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: March 31, 2023
    Publication date: July 27, 2023
    Inventors: Sunyeon KIM, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Juock LEE, Dongwon KIM
  • Patent number: 11641481
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: May 2, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Patent number: 11638030
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: April 25, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Patent number: 11638029
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: April 25, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Patent number: 11622124
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The video encoding/decoding apparatus includes: a video encoder for determining a motion vector resolution of each area or motion vector of a video and performing an inter prediction encoding of the video by using a motion vector according to the motion vector resolution determined for each area or motion vector; and a video decoder for reconstructing a resolution by extracting resolution information from a bitstream, and then performing an inter prediction decoding by using a motion vector according to the motion vector resolution of each reconstructed area or motion vector.
    Type: Grant
    Filed: August 21, 2010
    Date of Patent: April 4, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Publication number: 20220046269
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Sunyeon KIM, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Juock LEE, Dongwon KIM
  • Publication number: 20220046268
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Sunyeon KIM, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Juock LEE, Dongwon KIM
  • Publication number: 20220046270
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Patent number: 11178421
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: November 16, 2021
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Publication number: 20200296408
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: April 13, 2020
    Publication date: September 17, 2020
    Inventors: Sunyeon KIM, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Juock LEE, Dongwon KIM
  • Patent number: 10659804
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: May 19, 2020
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Publication number: 20200068215
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The video encoding/decoding apparatus includes: a video encoder for determining a motion vector resolution of each area or motion vector of a video and performing an inter prediction encoding of the video by using a motion vector according to the motion vector resolution determined for each area or motion vector; and a video decoder for reconstructing a resolution by extracting resolution information from a bitstream, and then performing an inter prediction decoding by using a motion vector according to the motion vector resolution of each reconstructed area or motion vector.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: Sunyeon KIM, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Juock LEE, Dongwon KIM
  • Patent number: 10250881
    Abstract: A video encoding/decoding apparatus and method are disclosed.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: April 2, 2019
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jinhan Song, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Jongki Han, Hyoungmee Park, Juock Lee
  • Patent number: 10136129
    Abstract: A method performed by an apparatus of decoding a video in the unit of blocks, includes: extracting and decoding a first information corresponding to a minimum block size and a second information corresponding to a difference between the minimum block size and a maximum block size, from a bitstream; calculating the maximum block size based on the first information corresponding to the minimum block size and the second information corresponding to the difference; decoding, from the bitstream, partition information of a square current block having the derived maximum block size to identify one or more subblocks in the current block which have sizes equal to or larger than the minimum block size; decoding a prediction mode information of each of the subblocks, the prediction mode information indicating whether a subblock is inter-predicted or intra-predicted; and reconstructing each of the subblocks in the current block by predicting each of the subblocks.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: November 20, 2018
    Assignee: SK TELECOM CO., LTD.
    Inventors: Sunyeon Kim, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Hyoungmee Park, Mincheol Park, Dongwon Kim, Kibaek Kim, Juock Lee
  • Publication number: 20180242011
    Abstract: The present disclosure relates to a method and apparatus for improving the encoding efficiency by adaptively changing the resolution of the motion vector in the inter prediction encoding and inter prediction decoding of a video. The apparatus includes: a predicted motion vector calculator for calculating a predicted motion vector of a current block to be encoded using motion vectors of one or more surrounding blocks; and a skip mode encoder for encoding a result of performing a prediction of the current block and information indicating that the current block is a skip block when the predicted motion vector satisfies a skip condition, wherein at least one motion vector among the motion vectors of the surrounding blocks and the motion vector of the current block has a resolution different from resolutions of the other motion vectors.
    Type: Application
    Filed: February 13, 2018
    Publication date: August 23, 2018
    Inventors: Sunyeon KIM, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Juock Lee, Dongwon Kim
  • Patent number: 10015512
    Abstract: A video encoding/decoding apparatus includes a video encoder for encoding block mode information indicating whether a block mode of a block to be encoded in a macroblock is a skip mode, partition mode information and skip motion information including index information, encoding at least one of transform type information, CBP information, and delta quantization parameter information of the block according to a combination of the block mode information and the partition mode information, and encoding coefficient information of the block based on the encoded information of the block, and a video decoder for decoding a bitstream to reconstruct block mode information indicating whether a block mode of a block to be decoded is a skip mode, partition mode information indicating whether block is divided into subblocks, and skip motion information including index information, and reconstructing block based on the reconstructed information by using reconstructed skip motion information.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: July 3, 2018
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jinhan Song, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Jongki Han, Hyoungmee Park, Juock Lee
  • Patent number: 9967588
    Abstract: A method performed by a video encoding apparatus, includes: encoding block mode information indicating whether a block mode of a current block to be decoded is a skip mode; when the block mode of the current block is the skip mode, encoding a skip motion information of the current block without encoding information on residual signals of the current block, wherein the skip motion information is used for determining a motion vector of the current block; and when the block mode of the current block is not the skip mode, encoding prediction information of the current block, and encoding partition information of a tree structure related to dividing the current block into one or more subblocks, and thereby encoding information on residual signals of the subblocks.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: May 8, 2018
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jinhan Song, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Jongki Han, Hyoungmee Park, Juock Lee
  • Patent number: 9967587
    Abstract: A method performed by a video decoding apparatus, includes: identifying a current block to be decoded by dividing a maximum size block; decoding, from a bitstream, block mode information indicating whether a block mode of the current block to be decoded is a skip mode; when the block mode information indicates that the block mode of the current block is the skip mode, decoding, from the bitstream, a skip motion information of the current block and determining a motion vector of the current block based on the skip motion information, predicting the current block using the determined motion vector current block, and reconstructing the current block directly from the predicted block, without decoding information on residual signals of the current block from the bitstream.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: May 8, 2018
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jinhan Song, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Jongki Han, Hyoungmee Park, Juock Lee
  • Publication number: 20180115775
    Abstract: A video decoding method, includes: reconstructing a syntax corresponding to at least one of a first block, a second block and a third block, wherein the first block is generated by dividing a frame for decoding, the second block corresponds to a unit of a prediction and is generated by dividing the first block, and the third block corresponds to a unit of transformation and is generated by dividing the first block in a tree structure; and reconstructing a prediction block corresponding to at least one of the first block, the second block and the third block, wherein the second block includes a batch mode flag for indicating whether a batch mode is used.
    Type: Application
    Filed: December 21, 2017
    Publication date: April 26, 2018
    Inventors: Jinhan SONG, Jeongyeon LIM, Joohee MOON, Yunglyul LEE, Haekwang KIM, Byeungwoo JEON, Jongki HAN, Hyoungmee PARK, Juock LEE
  • Patent number: 9955167
    Abstract: A video decoding method, includes: reconstructing a syntax corresponding to at least one of a first block, a second block and a third block, wherein the first block is generated by dividing a frame for decoding, the second block corresponds to a unit of a prediction and is generated by dividing the first block, and the third block corresponds to a unit of transformation and is generated by dividing the first block in a tree structure; and reconstructing a prediction block corresponding to at least one of the first block, the second block and the third block, wherein the second block includes a batch mode flag for indicating whether a batch mode is used.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 24, 2018
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jinhan Song, Jeongyeon Lim, Joohee Moon, Yunglyul Lee, Haekwang Kim, Byeungwoo Jeon, Jongki Han, Hyoungmee Park, Juock Lee