Patents by Inventor Jin-ho Lee

Jin-ho 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).

  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20240015323
    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: Application
    Filed: September 15, 2023
    Publication date: January 11, 2024
    Applicants: 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
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20240015293
    Abstract: The present invention relates to an image encoding and decoding method. An image decoding method for the same may include: obtaining transform coefficients of a current block from a bitstream; determining a scanning unit and a scanning order of the current block; and rearranging the transform coefficients of the current block by scanning the same base on the determined scanning unit and scanning order.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Chang LIM, Hyun Suk KO, Jung Won KANG, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Image encoding/decoding method and device, and recording medium storing bitstream
    Patent number: 11871001
    Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a position of a co-located block of a current block within a co-located picture (co-located picture); determining a representative motion vector of the current block by using motion information at the position of the co-located block; and deriving motion information on a sub-block included in the current block by using the representative motion vector.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: January 9, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ha Hyun Lee, Jung Won Kang, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim
  • Method for inducing prediction motion vector and apparatuses using same
    Patent number: 11871031
    Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: January 9, 2024
    Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jae Gon Kim, Sang Yong Lee, Un Ki Park
  • Image encoding/decoding method and device
    Patent number: 11863798
    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: July 10, 2017
    Date of Patent: January 2, 2024
    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
  • METHOD AND APPARATUS FOR ENCODING/DECODING A VIDEO USING A MOTION COMPENSATION
    Publication number: 20230421775
    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: July 7, 2023
    Publication date: December 28, 2023
    Applicant: LX Semicon Co., Ltd.
    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
  • METHOD AND DEVICE USING INTER PREDICTION INFORMATION
    Publication number: 20230421804
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, inter-prediction information for a target block may be derived, and inter prediction for a target block may be performed using the derived inter-prediction information. Combined inter-prediction information may be performed by combining multiple pieces of inter-prediction information, and the combined inter-prediction information may be added as a candidate to a list used for inter prediction. One of candidates in the list may be selected for inter prediction for the target block, and inter prediction using the selected candidate may be performed.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
    Inventors: Jin-Ho LEE, Jung-Won KANG, Hyunsuk KO, Sung-Chang LIM, Ha-Hyun LEE, Dong-San JUN, Hui-Yong KIM, Jae-Gon KIM, Do-Hyeon PARK, Yong-Uk YOON
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS WITH SUB-BLOCK INTRA PREDICTION
    Publication number: 20230421778
    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: September 8, 2023
    Publication date: December 28, 2023
    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
  • METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20230421757
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method of the present invention comprises decoding first information indicating whether a maximum of N intra prediction modes are used or a maximum of M intra prediction modes are used for an intra prediction for a current block, in which the M is smaller than the N, deriving an intra prediction mode of the current block, inverse-mapping the derived intra prediction mode on a corresponding intra prediction mode among the maximum N intra prediction modes when the decoded first information indicates that the maximum M intra prediction modes are used for the intra prediction for the current block, and generating an intra prediction block by performing an intra prediction for the current block, based on the inverse-mapped intra prediction mode.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 28, 2023
    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
  • Method and device for image encoding and decoding, and recording medium having bit stream stored therein
    Patent number: 11856221
    Abstract: Disclosed is a method of decoding an image and a method of encoding an image. The method of decoding an image includes: obtaining motion-constrained tile set information; determining, on the basis of the motion-constrained tile set information, a first boundary region of a collocated tile set within a reference picture, which corresponds to a motion-constrained tile set; padding a second boundary region corresponding to the first boundary region; and performing inter prediction on the motion-constrained tile set by using a collocated tile set that includes the padded second boundary region.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: December 26, 2023
    Assignees: Electronics and Telecommunications Research Institute, CHIPS & MEDIA, INC
    Inventors: Ha Hyun Lee, Jung Won Kang, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim, Dae Yeon Kim, Dong Jin Park
  • Image encoding/decoding method and apparatus, and recording medium storing bitstream
    Patent number: 11856197
    Abstract: The present specification discloses a method of decoding an image. The method of decoding an image according to the method includes: obtaining transform skip information of a current block from a bitstream; obtaining multiple transform selection information of the current block on the basis of the transform skip information from the bitstream; and performing inverse transform on the current block on the basis of the multiple transform selection information, wherein the multiple transform selection information is used to set each of a horizontal transform type and a vertical transform type.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: December 26, 2023
    Assignees: Electronics and Telecommunications Research Institute, RESEARCH & BUSINESS FOUNDATION SUNGKYUNK WAN UNIVERSITY
    Inventors: Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim, Byeung Woo Jeon, Jee Yoon Park
  • Roof rack apparatus for a vehicle
    Patent number: 11845403
    Abstract: A roof rack apparatus for a vehicle includes a roof rack mounting bracket, a roof rack stanchion, a roof rack side rail, and a roof rack pad, such that it is possible to ensure structural durability further improved by a fastening force between an insert bolt and a bracket fixing bolt at the time of assembling the roof rack apparatus with a vehicle body. The roof rack mounting bracket is symmetric in a forward/rearward direction and a leftward/rightward direction with respect to a center of the insert bolt, such that the roof rack apparatus may be used in common. An operator may replace the roof rack with a new roof rack without detaching an interior material (head lining) in the vehicle, such that it is possible to prevent damage to the interior material at the time of replacing and repairing the roof rack.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: December 19, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, JIN WON CO., LTD
    Inventors: Soo Nam Kim, Jin Ho Lee, Sung Min Eom, Chi Ho Han, Sang Hoon Han
  • Apparatus for encoding and decoding image by skip encoding and method for same
    Patent number: 11849110
    Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: December 19, 2023
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sung Chang Lim, Ha Hyun Lee, Se Yoon Jeong, Hui Yong Kim, Suk Hee Cho, Jong Ho Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn, Dong Gyu Sim, Seoung Jun Oh, Gwang Hoon Park, Sea Nae Park, Chan Woong Jeon
  • IMAGE ENCODING/DECODING METHOD AND DEVICE
    Publication number: 20230403401
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ha Hyun LEE, Jung Won KANG, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Method and apparatus for setting reference picture index of temporal merging candidate
    Patent number: 11843769
    Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: December 12, 2023
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sang Min Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Method and apparatus for setting reference picture index of temporal merging candidate
    Patent number: 11843768
    Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: December 12, 2023
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sang Min Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Video decoding method and apparatus using the same
    Patent number: 11843773
    Abstract: A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: December 12, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Jung Won Kang, Ha Hyun Lee, Jin Soo Choi, Jin Woong Kim
  • Method and device for determining reference unit
    Patent number: 11843795
    Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: December 12, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20230396791
    Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, loading information of a neighboring block of a current block; decoding a current block using the loaded information of the neighboring block; and saving information of the current block that is decoded.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM
  • METHOD FOR ENCODING AND DECODING QUANTIZED MATRIX AND APPARATUS USING SAME
    Publication number: 20230396769
    Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM