Patents by Inventor Joo Young Kim

Joo Young Kim 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 multilayer video signal
    Patent number: 10602168
    Abstract: A scalable video signal decoding method, according to the present invention, determines a corresponding picture belonging to a lower layer used for an inter-layer prediction of a current picture belonging to an upper layer, performs the inter-layer prediction of the current picture by using the corresponding picture of the determined lower layer, restores the current picture by using a prediction sample acquired through the inter-layer prediction and a residual sample of the current picture, and selectively applies a loop filter to a tile boundary of the restored current picture on the basis of a layer filter flag for the upper layer.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: March 24, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for encoding/decoding scalable video signal
    Patent number: 10602166
    Abstract: A method for decoding a scalable video signal, according to the present invention, comprises: determining a corresponding picture belonging to a lower layer, which is used for inter-layer prediction of a current picture belonging to an upper layer; and performing inter-layer prediction of the current picture by using the determined corresponding picture in the lower layer, wherein the inter-layer prediction is limitedly performed depending on tile alignment between the upper layer and the lower layer.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 24, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for encoding/decoding scalable video signal
    Patent number: 10602167
    Abstract: A method for decoding a scalable video signal, according to the present invention, comprises: determining whether a corresponding picture in a lower layer is used as an inter-layer reference picture for a current picture in an upper layer, based on a temporal level identifier of the lower layer; and performing inter-layer prediction of the current picture using the corresponding picture, when the corresponding picture in the lower layer is used as the inter-layer reference picture for the current picture in the upper layer, wherein the inter-layer prediction is limitedly performed depending on tile alignment between the upper layer and the lower layer.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 24, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • METHOD FOR DERIVING A TEMPORAL PREDICTIVE MOTION VECTOR, AND APPARATUS USING THE METHOD
    Publication number: 20200084475
    Abstract: Disclosed are a method for deriving a temporal predictive motion vector, and an apparatus using the method. An image decoding method may comprise the steps of: determining whether or not a block to be predicted is brought into contact with a boundary of a largest coding unit (LCU); and determining whether or not a first call block is available according to whether or not the block to be predicted is brought into contact with the boundary of the LCU. Accordingly, unnecessary memory bandwidth may be reduced, and implementation complexity may also be reduced.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 12, 2020
    Applicant: KT CORPORATION
    Inventors: Bae Keun LEE, Jae Cheol KWON, Joo Young KIM
  • OPTICAL ARTICLE AND OPTICAL FILTER INCLUDING SAME
    Publication number: 20200072741
    Abstract: The present invention relates to an optical article and an optical filter including the same. The optical filter: includes an optical article which has at least two absorption peaks, including a first and a second absorption peak, in the wavelength range of 380 nm to 1,200 nm by containing two or more kinds of near-infrared absorbing pigments, and thus shows a high average transmittance of 86% or greater for light having a wavelength in the visible wavelength range; can limit the maximum transmittance of light having a wavelength in the range of 800 nm to 1,100 nm below 0.5%, so as to prevent lens flare; and can reduce assembly defects due to flexure of an optical filter in the process of assembling the optical filter to an image capturing apparatus, thereby improving yield and productivity.
    Type: Application
    Filed: April 4, 2018
    Publication date: March 5, 2020
    Inventors: Jeong Og CHOI, Joon Ho JUNG, Seon Ho YANG, Jin Ho JUNG, Joo Young KIM
  • Method and apparatus for decoding a video signal using adaptive transform
    Patent number: 10575015
    Abstract: The present invention relates to a technique for encoding and decoding an image, and a method for encoding the image, according to the present invention, comprises the steps of: performing a prediction with respect to a current block; and transforming a residual which is generated by the prediction, wherein in the step of transforming, a first transform is performed on the residual, and then a second transform is performed on a lower frequency area, and wherein a mode of the second transform can be decided on the basis of a mode of the first transform.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: February 25, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Jae Cheol Kwon, Joo Young Kim
  • Method and device for processing video signal
    Patent number: 10554969
    Abstract: Provided is a method for decoding a video signal. The method includes generating a first prediction sample by performing intra prediction on a current block, determining an intra prediction pattern of a current block, partitioning the current block into a plurality of sub-blocks based on the determined intra prediction pattern, generating a first prediction sample for a sub-block by performing intra prediction, determining an offset for the sub-block to obtain a second prediction sample, and generating the second prediction sample for the sub-block by using the first prediction sample and the offset.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: February 4, 2020
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • ACCELERATING APPRATUS OF NEURAL NETWORK AND OPERATING METHOD THEREOF
    Publication number: 20200034699
    Abstract: An accelerating apparatus for a neural network may include: an input processor configured to decide a computation mode according to precision of an input signal, and change or maintain the precision of the input signal according to the decided computation mode; and a computation circuit configured to receive the input signal from the input processor, perform select one or more operations among multiple operations including a multiplication based on the input signal, boundary migration to rearrange multiple signals divided from the input signal, and an addition of the input signal subjected to the boundary migration, according to the computation mode, and perform the selected one or more operations on the input signal.
    Type: Application
    Filed: July 23, 2019
    Publication date: January 30, 2020
    Inventors: Jae Hyeok JANG, Joo Young KIM, Eui Cheol LIM
  • Method for deriving a temporal predictive motion vector, and apparatus using the method
    Patent number: 10523967
    Abstract: Disclosed are a method for deriving a temporal predictive motion vector, and an apparatus using the method. An image decoding method may comprise the steps of: determining whether or not a block to be predicted is brought into contact with a boundary of a largest coding unit (LCU); and determining whether or not a first call block is available according to whether or not the block to be predicted is brought into contact with the boundary of the LCU. Accordingly, unnecessary memory bandwidth may be reduced, and implementation complexity may also be reduced.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: December 31, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Jae Cheol Kwon, Joo Young Kim
  • Method and apparatus for processing video signal
    Patent number: 10523950
    Abstract: A method for processing a vide signal according to the present invention comprises: determining a length of a current string, which is decoded on the basis of a sample string matching technique in a current block; determining a reference string on the basis of at least one between the length of the current string and a string vector for the current string; and predicting the current string using the reference string.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: December 31, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME AND THIN FILM TRANSISTOR PANEL AND ELECTRONIC DEVICE
    Publication number: 20190372037
    Abstract: A thin film transistor includes a gate electrode, a semiconductor layer overlapped with the gate electrode, a gate insulating layer between the gate electrode and the semiconductor layer, and a source electrode and a drain electrode electrically connected to the semiconductor layer. The semiconductor layer includes a plurality of holes. The gate insulating layer may include a plurality of recess portions at a surface of the gate insulating layer facing the semiconductor layer. A method of manufacturing the thin film transistor is provided. A thin film transistor array panel and an electronic device may include the thin film transistor.
    Type: Application
    Filed: November 29, 2018
    Publication date: December 5, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Young KIM, Byong Gwon SONG, Jeong II PARK, Jiyoung JUNG
  • Method for scanning for access points in wireless LAN system
    Patent number: 10492129
    Abstract: Disclosed is a method for scanning for an access point in a wireless LAN system. An active scanning method comprises the steps of: transmitting a probe request frame to an access point; and receiving, from the access point, a probe response frame corresponding to the probe request frame. The probe response frame may include time information of a beacon transmitted after the probe response frame. Thus, the efficiency of a wireless channel can be improved in a wireless LAN system.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: November 26, 2019
    Assignee: Red Hat, Inc.
    Inventors: Yang Seok Jeong, Joo Young Kim
  • Scalable video signal encoding/decoding method and device
    Patent number: 10491910
    Abstract: A scalable video signal decoding method according to the present invention determines, based on the temporal identifier of a lower layer, whether a corresponding picture of the lower layer is used as an inter-layer reference picture for the current picture of an upper layer, creates a list of reference pictures for the current picture based on the determination, and performs inter-layer prediction on the current block in the current picture based on the created list of reference pictures.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 26, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and device for predicting and restoring a video signal using palette entry and palette escape mode
    Patent number: 10484713
    Abstract: Provided is a method for decoding a video signal. Such a method may include obtaining at least one palette entry of a current block from a palette map of a previous block, constructing a palette map of the current block including the obtained palette entry, deriving a palette index of the current block by using palette index information and information about palette index run related to the current block, and reconstructing the current block by using the palette map of the current block and the palette index.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: November 19, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for predicting and restoring a video signal using palette entry and palette mode
    Patent number: 10477243
    Abstract: Provided is a method for decoding a video signal. Such a method may include obtaining at least one palette entry of a current block from a palette map of a previous block, constructing a palette map of the current block including the obtained palette entry, deriving a palette index on a sample-by-sample basis of the current block, and reconstructing the current block by using the palette map of the current block and the palette index.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 12, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for predicting and restoring a video signal using palette entry and palette mode
    Patent number: 10477227
    Abstract: Provided is a method for decoding a video signal. Such a method may include constructing a palette map for a current block encoded in a palette mode, the palette map comprising at least one palette entry and a map index that identifies the palette entry, obtaining an escape present flag based on a number of palette entries included in the palette map, deriving a palette index on a sample-by-sample basis of the current block according to a predetermined scan order, and reconstructing the current block by using at least one of the escape present flag, the palette map, or the palette index.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: November 12, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for predicting and restoring a video signal using palette entry and palette mode
    Patent number: 10477244
    Abstract: Provided is a method for decoding a video signal. Such a method may include constructing a palette map related to a current block encoded in a palette mode, determining, based on a mode identifier of a current sample included in the current block, a palette index mode of the current sample, the mode identifier is used to determine one of an index mode or a copy mode, deriving a palette index of the current sample based on the palette index mode, and reconstructing the current sample by using the palette map of the current block and the palette index.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 12, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for predicting and restoring a video signal using palette entry
    Patent number: 10477218
    Abstract: Provided is a method for decoding a video signal. Such a method may include constructing a palette map for a current block encoded in a palette mode, the palette map comprising at least one palette entry and a map index that identifies the palette entry, deriving a palette index of the current block on a sample-by-sample basis, and reconstructing a current sample based on an escape mode if a value of the palette index relating to the current sample of the current block is equal to the number of palette entries constituting the palette map of the current block, wherein the escape mode is a method of restoring a sample value based on a signaled palette escape value, without using a palette entry of the constructed palette map.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: November 12, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for predicting and restoring a video signal using palette entry
    Patent number: 10469870
    Abstract: Provided is a method for decoding a video signal. Such a method may include constructing a palette map for a current block encoded in a plate mode, the palette map comprises at least one palette entry and a map index that for identifying the palette entry, deriving a palette index according to a predetermined scan order of the current block on a sample-by-sample basis, and reconstructing each sample of the current block by using a palette entry having a map index of the same value as the derived palette index from the palette map.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: November 5, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method and apparatus for video signal coding using current picture reference flag
    Patent number: 10469864
    Abstract: A method for processing a vide signal, according to the present invention comprises generating a reference picture list based on a current picture reference flag for a current picture, obtaining motion information about a current block in the current picture, restoring the current block using the motion information of the current block and the reference picture list relating to the current picture, and applying a deblocking filter to the stored current block.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: November 5, 2019
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim