Patents by Inventor Chang Jeong

Chang Jeong 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: 20230189527
    Abstract: A semiconductor integrated circuit device including a semiconductor substrate, a first transistor, an insulation interlayer and a second transistor. The first transistor formed on the semiconductor substrate. The first transistor includes a horizontal channel substantially parallel to a surface of the semiconductor substrate. The insulating interlayer formed on an upper surface of the semiconductor substrate. A contact hole formed through the insulating interlayer. The second transistor including a channel layer formed in the contact hole. Any one of a source and a drain of the second transistor are electrically connected to any one of electrodes of the first transistor.
    Type: Application
    Filed: May 5, 2022
    Publication date: June 15, 2023
    Applicant: SK hynix Inc.
    Inventors: Ki Chang JEONG, Nam Kuk KIM
  • Publication number: 20230141171
    Abstract: Disclosed is an encoding/decoding method and apparatus related to adaptive deblocking filtering. There is provided an image decoding method performing adaptive filtering in inter-prediction, the method including: reconstructing, from a bitstream, an image signal including a reference block on which block matching is performed in inter-prediction of a current block to be encoded; obtaining, from the bitstream, a flag indicating whether the reference block exists within a current picture where the current block is positioned; reconstructing the current block by using the reference block; adaptively applying an in-loop filter for the reconstructed current block based on the obtained flag; and storing the current block to which the in-loop filter is or is not applied in a decoded picture buffer (DPB).
    Type: Application
    Filed: January 10, 2023
    Publication date: May 11, 2023
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Je Chang JEONG, Ki Baek KIM
  • Publication number: 20230106301
    Abstract: The in-loop filtering method performed by a video decoding apparatus includes: classifying reconstructed samples according to an absolute classification standard or relative classification standard; acquiring offset data on the basis of results of classifying the reconstructed samples; adding an offset value to the reconstructed samples by referencing the acquired offset data; and outputting the offset value-added reconstructed samples. Accordingly, W errors in the reconstructed image can be corrected.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek KIM, Je Chang JEONG
  • Patent number: 11616515
    Abstract: Disclosed are a method and an apparatus for fast decoding a linear code based on soft decision. The method may comprise sorting received signals in a magnitude order to obtain sorted signals; obtaining hard decision signals by performing hard decision on the sorted signals; obtaining upper signals corresponding to MRBs from the hard decision signals; obtaining a permuted and corrected codeword candidate using the upper signals and an error vector according to a current order; calculating a cost for the current order using a cost function; determining the permuted and corrected codeword candidate as a permuted and corrected codeword according to a result of comparing the calculated cost with a minimum cost; and determining a predefined speeding condition.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: March 28, 2023
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Chang Ryoul Choi, Je Chang Jeong
  • Patent number: 11616987
    Abstract: Disclosed is an encoding/decoding method and apparatus related to adaptive deblocking filtering. There is provided an image decoding method performing adaptive filtering in inter-prediction, the method including: reconstructing, from a bitstream, an image signal including a reference block on which block matching is performed in inter-prediction of a current block to be encoded; obtaining, from the bitstream, a flag indicating whether the reference block exists within a current picture where the current block is positioned; reconstructing the current block by using the reference block; adaptively applying an in-loop filter for the reconstructed current block based on the obtained flag; and storing the current block to which the in-loop filter is or is not applied in a decoded picture buffer (DPB).
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: March 28, 2023
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Je Chang Jeong, Ki Baek Kim
  • Publication number: 20230051471
    Abstract: The invention relates to a method and a device for decoding an image by means of a partition unit comprising an additional region. The method of decoding an image by means of a partition unit comprising an additional region comprises the steps of: partitioning, by reference to a syntax element acquired from a received bit stream, an encoded image, which is included in the bitstream, in at least one partition unit; define an additional region for at least one partition unit; and decoding the encoded image based on the partition unit for which the additional region is defined. The invention improves the image coding efficiency.
    Type: Application
    Filed: October 12, 2022
    Publication date: February 16, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Ki Baek KIM, Je Chang Jeong
  • Publication number: 20230043566
    Abstract: An image encoding/decoding method using a pixel value range constituting an image is disclosed, wherein the image decoding method using a pixel value range constituting an image comprises the steps of: receiving a bitstream; acquiring information of a pixel value range forming a first unit image included in the received bitstream; and decoding the first unit image on the basis of the acquired information of the pixel value range. Therefore, compression efficiency can be improved in an image encoding or decoding process.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 9, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek KIM, Je Chang JEONG
  • Publication number: 20230021055
    Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 19, 2023
    Inventors: Je Chang JEONG, Ki Baek KIM, Won Jin LEE, Hye Jin SHIN, Jong Sang YOO, Jang Hyeok YUN, Kyung Jun LEE, Jae Hun KIM, Sang Gu LEE
  • Patent number: 11553186
    Abstract: The in-loop filtering method performed by a video decoding apparatus includes: classifying reconstructed samples according to an absolute classification standard or relative classification standard; acquiring offset data on the basis of results of classifying the reconstructed samples; adding an offset value to the reconstructed samples by referencing the acquired offset data; and outputting the offset value-added reconstructed samples. Accordingly, errors in the reconstructed image can be corrected.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: January 10, 2023
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Patent number: 11509914
    Abstract: The invention relates to a method and a device for decoding an image by means of a partition unit comprising an additional region. The method of decoding an image by means of a partition unit comprising an additional region comprises the steps of: partitioning, by reference to a syntax element acquired from a received bit stream, an encoded image, which is included in the bitstream, in at least one partition unit; define an additional region for at least one partition unit; and decoding the encoded image based on the partition unit for which the additional region is defined. The invention improves the image coding efficiency.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 22, 2022
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Patent number: 11509895
    Abstract: An image encoding/decoding method using a pixel value range constituting an image is disclosed, wherein the image decoding method using a pixel value range constituting an image comprises the steps of: receiving a bitstream; acquiring information of a pixel value range forming a first unit image included in the received bitstream; and decoding the first unit image on the basis of the acquired information of the pixel value range. Therefore, compression efficiency can be improved in an image encoding or decoding process.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: November 22, 2022
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Patent number: 11483572
    Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: October 25, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Je Chang Jeong, Ki Baek Kim, Won Jin Lee, Hye Jin Shin, Jong Sang Yoo, Jang Hyeok Yun, Kyung Jun Lee, Jae Hun Kim, Sang Gu Lee
  • Publication number: 20220329798
    Abstract: An image encoding method includes configuring block division information and size information of a boundary block which is located at a boundary of an image and is smaller than a size of a basic encoding block, on the basis of size information of a picture and size information of the basic encoding block; dividing the boundary block into at least one encoding block, on the basis of the size information of the basic encoding block and the size information and the block division information of the boundary block; and encoding the at least one divided encoding block.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Publication number: 20220321875
    Abstract: A method and a device for encoding and decoding infra prediction are disclosed. An image decoding method for performing intra prediction comprises the steps of: receiving a bitstream including data on prediction modes of a current block and a block adjacent to the current block; extracting the data from the received bitstream so as to confirm the prediction mode of the adjacent block; determining whether a boundary pixel within the adjacent block can be used as a reference pixel for the current block in consideration of the prediction mode of the adjacent block; obtaining the reference pixel of the current block according to the determined result; generating a prediction block predicted in the frame on the basis of the obtained reference pixel; and decoding the current block by using the generated prediction block.
    Type: Application
    Filed: May 11, 2022
    Publication date: October 6, 2022
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Je Chang JEONG, Ki Baek KIM, Ung HWANG
  • Publication number: 20220295115
    Abstract: Disclosed is a prediction method adopting in-loop filtering. According to the present invention, a prediction method for encoding and decoding video comprises the following steps: generating a residual block of the current block through an inverse quantization and inverse transform; generating a prediction block of the current block through an intra-prediction; performing in-loop filtering on the current block in which the residual block and the prediction block are combined; and storing the current block, on which the in-loop filtering is performed, in a frame buffer for an intra-prediction of the next block to be encoded. As described above, prediction is performed using an in-loop filter during processes for encoding and decoding video, thereby improving the accuracy of prediction and reducing errors in prediction, thus improving the efficiency of video compression and reducing the amount of data to be transmitted.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Je Chang JEONG, Ki Baek KIM, Dong Jin JUNG
  • Patent number: 11399179
    Abstract: An image encoding method includes configuring block division information and size information of a boundary block which is located at a boundary of an image and is smaller than a size of a basic encoding block, on the basis of size information of a picture and size information of the basic encoding block; dividing the boundary block into at least one encoding block, on the basis of the size information of the basic encoding block and the size information and the block division information of the boundary block; and encoding the at least one divided encoding block.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: July 26, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Ki Baek Kim, Je Chang Jeong
  • Publication number: 20220218660
    Abstract: The present invention relates to: a composition for treating castration-resistant prostate cancer, comprising quassinoids; and a method for treating castration-resistant prostate cancer by using same.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 14, 2022
    Inventors: Jeong Hoon KIM, Byong Chang JEONG, Sue Jin MOON
  • Publication number: 20220216886
    Abstract: Disclosed are a method and an apparatus for high-speed decoding of a linear code on the basis of a soft decision. The method for high-speed decoding of a linear code on the basis of a soft decision may comprise the steps of: obtaining an alignment signal by aligning received signals in order of magnitude; obtaining a hard decision signal by making a hard decision on the alignment signal; obtaining a higher-level signal corresponding to most reliable bases (MRB) from the hard decision signal; obtaining a permuted and corrected codeword candidate by using an error vector according to a current order and the higher signal; calculating a cost for the current order by using a cost function; determining the permuted and corrected codeword candidate as a permuted and corrected codeword according to a result of comparing the calculated cost and the minimum cost; and determining a predefined high-speed condition.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 7, 2022
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Chang Ryoul CHOI, Je Chang JEONG
  • Patent number: 11381844
    Abstract: Disclosed is a prediction method adopting in-loop filtering. According to the present invention, a prediction method for encoding and decoding video comprises the following steps: generating a residual block of the current block through an inverse quantization and inverse transform; generating a prediction block of the current block through an intra-prediction; performing in-loop filtering on the current block in which the residual block and the prediction block are combined; and storing the current block, on which the in-loop filtering is performed, in a frame buffer for an intra-prediction of the next block to be encoded. As described above, prediction is performed using an in-loop filter during processes for encoding and decoding video, thereby improving the accuracy of prediction and reducing errors in prediction, thus improving the efficiency of video compression and reducing the amount of data to be transmitted.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: July 5, 2022
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Je Chang Jeong, Ki Baek Kim, Dong Jin Jung
  • Patent number: 11368675
    Abstract: A method and a device for encoding and decoding intra prediction are disclosed. An image decoding method for performing intra prediction comprises the steps of: receiving a bitstream including data on prediction modes of a current block and a block adjacent to the current block; extracting the data from the received bitstream so as to confirm the prediction mode of the adjacent block; determining whether a boundary pixel within the adjacent block can be used as a reference pixel for the current block in consideration of the prediction mode of the adjacent block; obtaining the reference pixel of the current block according to the determined result; generating a prediction block predicted in the frame on the basis of the obtained reference pixel; and decoding the current block by using the generated prediction block.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: June 21, 2022
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Je Chang Jeong, Ki Baek Kim, Ung Hwang