Patents by Inventor Seung Hyun Cho

Seung Hyun Cho 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).

  • METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20200021804
    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 26, 2017
    Publication date: January 16, 2020
    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
  • IMAGE ENCODING/DECODING METHOD, APPARATUS, AND RECORDING MEDIUM FOR STORING BITSTREAM
    Publication number: 20200021805
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.
    Type: Application
    Filed: January 2, 2018
    Publication date: January 16, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Suk KO, Sung Chang LIM, Jung Won KANG, Dong San JUN, Seung Hyun CHO, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM, Jin Soo CHOI
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20200021828
    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: Application
    Filed: November 27, 2017
    Publication date: January 16, 2020
    Inventors: Seung Hyun CHO, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho mes LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM, Byeung Woo JEON, Nam Uk KIM, Seung Su JEON, Jin Soo CHOI
  • Promoter and use thereof
    Patent number: 10501745
    Abstract: The present disclosure relates to a novel promoter, a vector comprising the promoter, a microorganism comprising the vector, and a method for producing a target protein using the promoter.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: December 10, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Young Mi Lee, Seung Bin Lee, Seong Bo Kim, Ji Hyun Lee, Jin Sook Chang, Seung Hyun Cho, Seung Won Park
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
    Publication number: 20190364298
    Abstract: The present invention relates to image encoding and decoding methods. An image decoding method for the same may include: determining whether or not to use a global motion; selectively receiving global motion information according to the determination result; and performing inter-prediction based on the global motion information.
    Type: Application
    Filed: November 22, 2017
    Publication date: November 28, 2019
    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, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
    Publication number: 20190335197
    Abstract: The present invention relates to a method for encoding an image and method for decoding an image. The method for decoding an image includes: predicting global motion information; and performing inter prediction based on the predicted global motion information, wherein the global motion information is represented by any one of a two-dimensional vector, a geometric transform matrix, a rotation angle, and a magnification ratio.
    Type: Application
    Filed: November 22, 2017
    Publication date: October 31, 2019
    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, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE
  • METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BIT STREAM IS STORED
    Publication number: 20190313102
    Abstract: The present invention relates to a method for encoding and decoding an image. For this, a method for decoding an image may include: entropy-decoding a bitstream; determining a scanning unit and a scanning order of the transform coefficients of the current block; scanning and aligning the transform coefficients of the current block based on the determined scanning unit and scanning order; and performing inverse-transform for the aligned transform coefficients.
    Type: Application
    Filed: November 28, 2017
    Publication date: October 10, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Hyun CHO, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM, Jin Soo CHOI
  • INTER-PREDICTION METHOD AND APPARATUS USING REFERENCE FRAME GENERATED BASED ON DEEP LEARNING
    Publication number: 20190306526
    Abstract: Disclosed herein are an inter-prediction method and apparatus using a reference frame generated based on deep learning. In the inter-prediction method and apparatus, a reference frame is selected, and a virtual reference frame is generated based on the selected reference frame. A reference picture list is configured to include the generated virtual reference frame, and inter prediction for a target block is performed based on the virtual reference frame. The virtual reference frame may be generated based on a deep-learning network architecture, and may be generated based on video interpolation and/or video extrapolation that use the selected reference frame.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 3, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun CHO, Je-Won KANG, Na-Young KIM, Jung-Kyung LEE, Joo-Young LEE, Hyunsuk KO, Youn-Hee KIM, Jong-Ho KIM, Jin-Wuk SEOK, Dae-Yeol LEE, Woong LIM, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI
  • IMAGE ENCODING/DECODING METHOD AND DEVICE
    Publication number: 20190306536
    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: Application
    Filed: July 10, 2017
    Publication date: October 3, 2019
    Applicants: 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
  • IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM THEREFOR
    Publication number: 20190297325
    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: July 11, 2017
    Publication date: September 26, 2019
    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
  • METHOD AND DEVICE FOR FILTERING
    Publication number: 20190268594
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus, and more particularly, a method and apparatus for performing filtering in video encoding and decoding. An encoding apparatus may perform filtering on a target, and may generate filtering information indicating whether filtering has been performed on the target. Further, the encoding apparatus may generate a bitstream including filtering information. A decoding apparatus may determine, based on filtering information, whether to perform filtering on a target, and may perform filtering on the target. The decoding apparatus may receive filtering information from the encoding apparatus through a bitstream or may derive filtering information using additional information.
    Type: Application
    Filed: November 28, 2017
    Publication date: August 29, 2019
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY
    Inventors: Sung-Chang LIM, Jung-Won KANG, Hyunsuk KO, Jin-Ho LEE, Ha-Hyun LEE, Dong-San JUN, Seung-Hyun CHO, Hui-Yong KIM, Yung-Lyul LEE, Jun-Woo CHOI, Jin-Soo CHOI, Nam-Uk KIM, Myung-Jun KIM
  • METHOD AND APPARATUS FOR VIDEO ENCODING AND VIDEO DECODING BASED ON NEURAL NETWORK
    Publication number: 20190246102
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. A virtual frame is generated by a video generation network including a generation encoder and a generation decoder. The virtual frame is used as a reference frame in inter prediction for a target. Further, a video generation network for inter prediction may be selected from among multiple video generation networks, and inter prediction that uses the selected video generation network may be performed.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 8, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun CHO, Youn-Hee KIM, Jin-Wuk SEOK, Joo-Young LEE, Woong LIM, Jong-Ho KIM, Dae-Yeol LEE, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI, Je-Won KANG, Na-Young KIM
  • METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE, AND RECORDING MEDIUM FOR STORING BITSTREAM
    Publication number: 20190246103
    Abstract: An image encoding method and an image decoding method are provided. The image decoding method includes deriving a temporal merge candidate from a co-located block of a current block, generating a merge candidate list of the current block based on the derived temporal merge candidate, and generating a prediction block of the current block based on the generated merge candidate list. The deriving a temporal merge candidate includes scaling a motion vector derived from the co-located block based on a POC difference value between the current block and a reference picture of the current block and a POC difference value between the co-located block and a reference picture of the co-located block, and modifying the scaled motion vector based on motion vector scaling information between a neighboring block of the current block and a co-located block of the neighboring block.
    Type: Application
    Filed: September 26, 2017
    Publication date: August 8, 2019
    Applicant: Electronics and Telecommunications Research Institute
    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
  • VIDEO ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM IN WHICH BIT STREAM IS STORED
    Publication number: 20190238841
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.
    Type: Application
    Filed: October 24, 2017
    Publication date: August 1, 2019
    Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Jin Soo CHOI, Hae Chul CHOI
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20190222837
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image decoding method performing intra prediction according to the present invention may comprise dividing a current block into at least one sub-block; deriving an intra prediction mode for the at least one sub-block; constructing a reference sample for the intra prediction; and performing intra prediction for the at least one sub-block based on the derived intra prediction mode.
    Type: Application
    Filed: July 17, 2017
    Publication date: July 18, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20190215512
    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: September 22, 2017
    Publication date: July 11, 2019
    Applicant: Electronics and Telecommunications Research Institute
    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
  • VERTICAL MEMORY DEVICE
    Publication number: 20190214407
    Abstract: A vertical memory device includes a substrate having a cell array region and a connection region adjacent to the cell array region, a plurality of gate electrode layers stacked on the cell array region and the connection region of the substrate, and forming a stepped structure in the connection region, a first metal line dividing the plurality of gate electrode layers and connected to the cell array region and the connection region of the substrate, and a second metal line dividing a portion of the plurality of gate electrode layers and connected to the connection region of the substrate. A depth of a lower end portion of the second metal line may be greater than a depth of a lower end portion of the first metal line in the cell array region, based on an upper surface of the substrate.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 11, 2019
    Inventors: KWANG HO LEE, Kwang Ho Kim, Seung-Hyun Cho, Ji Hwan Yu
  • METHOD AND APPARATUS FOR TRANSFORM-BASED IMAGE ENCODING/DECODING
    Publication number: 20190215516
    Abstract: The present invention relates to a method and apparatus for encoding and decoding a video image based on transform. The method for decoding a video includes: determining a transform mode of a current block; inverse-transforming residual data of the current block according to the transform mode of the current block; and rearranging the inverse-transformed residual data of the current block according to the transform mode of the current block, wherein the transform mode includes at least one of SDST (Shuffling Discrete Sine Transform), SDCT (Shuffling Discrete cosine Transform), DST (Discrete Sine Transform) or DCT (Discrete Cosine Transform).
    Type: Application
    Filed: June 23, 2017
    Publication date: July 11, 2019
    Applicants: 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, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Nam Uk KIM, Jun Woo CHOI
  • VIDEO ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN
    Publication number: 20190208199
    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: Application
    Filed: September 11, 2017
    Publication date: July 4, 2019
    Applicant: 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
  • IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM THEREFOR
    Publication number: 20190200040
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.
    Type: Application
    Filed: July 12, 2017
    Publication date: June 27, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Ha Hyun LEE, Dong San JUN, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI