Patents by Inventor Dong-su Han

Dong-su Han 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: 20240094364
    Abstract: Disclosed herein is an image sensing apparatus including a driver disposed on a substrate and configured to drive a light emitter and a light receiver to emit a first optical signal toward an object and receive a second optical signal reflected from the object, a housing coupled to the substrate and surrounding the light emitter, the light receiver, and the driver, a diffuser disposed on the housing, and a transparent electrode disposed on the diffuser, wherein the driver includes a transparent electrode driver configured to detect whether the diffuser is damaged in a first mode and shields electromagnetic interference noise in a second mode by using the transparent electrode.
    Type: Application
    Filed: September 20, 2023
    Publication date: March 21, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Dong Su HAN, Jung Whan KIM, Seong Hong PARK
  • Patent number: 11877018
    Abstract: The present disclosure in some embodiments provides a system for and a method of providing a live video in real-time by transmitting the live video and patches which are a fraction of a frame of the live video by allocating and using bandwidth for transmitting the live video and bandwidth for transmitting the patches, respectively, and by subjecting, based on the patches, a deep neural network-based super-resolution model to online learning and thereby super-resolution processing the live video into a super-resolution live video.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: January 16, 2024
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su Han, Jae Hong Kim, Young Mok Jung, Hyun Ho Yeo
  • Publication number: 20220368965
    Abstract: The present disclosure in some embodiments provides a system for and a method of providing a live video in real-time by transmitting the live video and patches which are a fraction of a frame of the live video by allocating and using bandwidth for transmitting the live video and bandwidth for transmitting the patches, respectively, and by subjecting, based on the patches, a deep neural network-based super-resolution model to online learning and thereby super-resolution processing the live video into a super-resolution live video.
    Type: Application
    Filed: November 5, 2020
    Publication date: November 17, 2022
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su HAN, Jae Hong KIM, Young Mok JUNG, Hyun Ho YEO
  • Patent number: 11399201
    Abstract: The present disclosure seeks to perform real-time video streaming on a mobile device toward maintaining user QoE even under bandwidth constraints while being acceptable to the lightweight computing capacity of the mobile device. To this end, the embodiments apply deep neural network-based SR to a small number of pre-selected video frames and utilize the video frames to which SR is applied to enhance the resolution of the remaining frames, wherein the pre-selected frames are chosen for SR within a preset quality margin. Additionally, the present disclosure provides an apparatus and a method for SR acceleration for real-time video streaming under the lightweight computing capacity and video-specific constraints of a mobile device, which allow a server to deliver multiple options on a deep neural network and a cache profile including SR application information and enable the mobile device to select an option suitable for its computing capacity.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: July 26, 2022
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su Han, Hyun Ho Yeo, Young Mok Jung, Chan Ju Chong
  • Publication number: 20220021916
    Abstract: The present disclosure seeks to perform real-time video streaming on a mobile device toward maintaining user QoE even under bandwidth constraints while being acceptable to the lightweight computing capacity of the mobile device. To this end, the embodiments apply deep neural network-based SR to a small number of pre-selected video frames and utilize the video frames to which SR is applied to enhance the resolution of the remaining frames, wherein the pre-selected frames are chosen for SR within a preset quality margin. Additionally, the present disclosure provides an apparatus and a method for SR acceleration for real-time video streaming under the lightweight computing capacity and video-specific constraints of a mobile device, which allow a server to deliver multiple options on a deep neural network and a cache profile including SR application information and enable the mobile device to select an option suitable for its computing capacity.
    Type: Application
    Filed: February 12, 2021
    Publication date: January 20, 2022
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su HAN, Hyun Ho YEO, Young Mok JUNG, Chan Ju CHONG
  • Patent number: 11004754
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 11, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Yeol Yang, Hyung-Su Son, Hae-Gu Lee, Dong-Su Han
  • Patent number: 10650277
    Abstract: The present disclosure relates to apparatus and method for training a learning system to detect event. The present disclosure provides apparatus and method for training a learning system that includes an event related keyword collecting unit that collects an event related keyword inputted by a user, a related keyword collecting unit that collects at least one related keyword from a word database by transmitting an event related keyword to the word database, an event related image collecting unit that collects at least one event related image that is related to a search formula from an image database by transmitting the search formula to the image database, and a training unit that trains a learning system by communicating with the learning system with a use of an event related image as training data.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: May 12, 2020
    Assignees: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)
    Inventors: Dong Su Han, Jin Woo Shin, Byeok San Lee, Jin Young Yang
  • Patent number: 10645425
    Abstract: A method for managing multimedia data by a contents server comprises the steps of: generating one or more chunks from an input image; generating chunk information of the input image including a list of the generated chunks; performing an identity check among chunks on the basis of the chunk information of the input image and chunk information stored in the contents server; and updating the stored chunk information according to a result of the identity check, wherein the chunks are a meaningful scene unit in an image.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: May 5, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Kyung-Mo Park, Young-Wan So, Gi-Young Nam, Kyoung-Soo Park, Sang-Wook Bae, Dong-Su Han, Jae-Yeon Song
  • Publication number: 20200083124
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 12, 2020
    Inventors: Jin-Yeol YANG, Hyung-Su SON, Hae-Gu LEE, Dong-Su HAN
  • Patent number: 10560731
    Abstract: The present disclosure provides a method and a server apparatus for delivering content based on content-aware using a neural network. A server apparatus for content delivery is provided, including a content clustering unit for clustering multiple contents provided from a content provider based on a similarity; a training unit for training a cluster-wise content reconstruction model by using contents contained in each cluster in accordance with a result of clustering performed by the content clustering unit; a storage unit for storing the multiple contents and the cluster-wise content reconstruction model; and a transmission unit for transmitting content requested by a user and a content reconstruction model corresponding to a cluster containing the content requested to a user terminal.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: February 11, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su Han, Hyun Ho Yeo, Seong Hyeon Do
  • Patent number: 10504804
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Yeol Yang, Hyung-Su Son, Hae-Gu Lee, Dong-Su Han
  • Patent number: 10462157
    Abstract: A multi-pattern matching algorithm may be provided that includes: a moving step of moving a moving window from the start of a string one byte by one byte; a DF1 checking step of converting the string on a current position of the moving window into an integer value, and of checking whether or not a bit of a related position in a first direct filter DF1 for patterns having lengths larger than 2 bytes is set to 1; a DF moving step of checking one or more direct filters DF when the bit is set to 1 according to the DF1 checking step; a re-moving step of moving the moving window by one byte again when the bit of a related position in the direct filter DF, which has been checked lastly, is 0; and a terminating step of checking whether the moving window is located at the end of the string or not, and of terminating the algorithm when the moving window is positioned at the end of the string.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: October 29, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Su Han, Byung-Kwon Choi, Jae-Hyun Nam, Muhammad Jamshed, Kyoung-Soo Park, Jong-Wook Chae
  • Publication number: 20190215549
    Abstract: The present disclosure provides a method and a server apparatus for delivering content based on content-aware using a neural network. A server apparatus for content delivery is provided, including a content clustering unit for clustering multiple contents provided from a content provider based on a similarity; a training unit for training a cluster-wise content reconstruction model by using contents contained in each cluster in accordance with a result of clustering performed by the content clustering unit; a storage unit for storing the multiple contents and the cluster-wise content reconstruction model; and a transmission unit for transmitting content requested by a user and a content reconstruction model corresponding to a cluster containing the content requested to a user terminal.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 11, 2019
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su HAN, Hyun Ho YEO, Seong Hyeon DO
  • Publication number: 20190131193
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 2, 2019
    Inventors: Jin-Yeol YANG, Hyung-Su SON, Hae-Gu LEE, Dong-Su HAN
  • Publication number: 20180114095
    Abstract: The present disclosure relates to apparatus and method for training a learning system to detect event. The present disclosure provides apparatus and method for training a learning system that includes an event related keyword collecting unit that collects an event related keyword inputted by a user, a related keyword collecting unit that collects at least one related keyword from a word database by transmitting an event related keyword to the word database, an event related image collecting unit that collects at least one event related image that is related to a search formula from an image database by transmitting the search formula to the image database, and a training unit that trains a learning system by communicating with the learning system with a use of an event related image as training data.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Dong Su HAN, Jin Woo SHIN, Byeok San LEE, Jin Young YANG
  • Publication number: 20170127095
    Abstract: A method for managing multimedia data by a contents server comprises the steps of: generating one or more chunks from an input image; generating chunk information of the input image including a list of the generated chunks; performing an identity check among chunks on the basis of the chunk information of the input image and chunk information stored in the contents server; and updating the stored chunk information according to a result of the identity check, wherein the chunks are a meaningful scene unit in an image.
    Type: Application
    Filed: June 15, 2015
    Publication date: May 4, 2017
    Inventors: Kyung-Mo PARK, Young-Wan SO, Gi-Young NAM, Kyoung-Soo PARK, Sang-Wook BAE, Dong-Su HAN, Jae-Yeon SONG
  • Publication number: 20160239748
    Abstract: A multi-pattern matching algorithm may be provided that includes: a moving step of moving a moving window from the start of a string one byte by one byte; a DF1 checking step of converting the string on a current position of the moving window into an integer value, and of checking whether or not a bit of a related position in a first direct filter DF1 for patterns having lengths larger than 2 bytes is set to 1; a DF moving step of checking one or more direct filters DF when the bit is set to 1 according to the DF1 checking step; a re-moving step of moving the moving window by one byte again when the bit of a related position in the direct filter DF, which has been checked lastly, is 0; and a terminating step of checking whether the moving window is located at the end of the string or not, and of terminating the algorithm when the moving window is positioned at the end of the string.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 18, 2016
    Applicant: Korea Advanced Institute of Science And Technology
    Inventors: Dong-Su HAN, Byung-Kwon CHOI, Jae-Hyun NAM, Muhammad JAMSHED, Kyoung-Soo PARK, Jong-Wook CHAE
  • Publication number: 20110168761
    Abstract: An apparatus for repairing a semiconductor module including: a heating block comprising a thermal contact surface for contacting a defective semiconductor package mounted on a substrate of the semiconductor module to heat the defective semiconductor package using a conduction method and to melt a solder of the defective semiconductor package, and a vacuum adsorption line for adsorbing the defective semiconductor package and separating the defective semiconductor package from the substrate; and a heater installed in the heating block.
    Type: Application
    Filed: January 10, 2011
    Publication date: July 14, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sun-kyu Hwang, Seong-chan Han, Kwang-ho Chun, Jung-hoon Kim, Dong-su Han