Patents by Inventor Jin Chul Choi

Jin Chul Choi 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: 20240137511
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Application
    Filed: January 4, 2024
    Publication date: April 25, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jin-Ho LEE, Jung-Won KANG, Hyunsuk KO, Sung-Chang LIM, Dong-San JUN, Ha-Hyun LEE, Seung-Hyun CHO, Hui-Yong KIM, Hae-Chul CHOI, Dae-Hyeok GWON, Jae-Gon KIM, A-Ram BACK
  • Patent number: 11949881
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
  • Publication number: 20240107032
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Publication number: 20240097251
    Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.
    Type: Application
    Filed: March 29, 2022
    Publication date: March 21, 2024
    Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
  • Patent number: 11932618
    Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: March 19, 2024
    Assignee: ILDONG PHARMACEUTICAL CO., LTD.
    Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
  • Patent number: 11924988
    Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Yong Choi, Young Chul Kim, Ji Su Kim, Hun Sung Kim, Sung Yong Park, Jin Soo Shin, Dae Sik Yoon, Yong Yeon Hwang
  • Patent number: 11917148
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: February 27, 2024
    Assignees: Electronics And Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin-Ho Lee, Jung-Won Kang, Hyunsuk Ko, Sung-Chang Lim, Dong-San Jun, Ha-Hyun Lee, Seung-Hyun Cho, Hui-Yong Kim, Hae-Chul Choi, Dae-Hyeok Gwon, Jae-Gon Kim, A-Ram Back
  • Publication number: 20230325712
    Abstract: The present disclosure relates to a system and method for imitation learning. The system for imitation learning may include a data augmentation device configured to acquire a plurality of augmented data sets from a plurality of demonstration data sets corresponding to an expert's demonstration behavior trajectory using a behavioral replication model that infers behavioral data from input state data and an inverse behavioral replication model that infers state data from input behavioral data, and an imitation learning device configured to perform imitation learning to derive a model that outputs behavioral data similar to an expert in a specific state using the plurality of demonstration data sets and the plurality of augmented data sets, in which the plurality of demonstration data sets and the plurality of augmented data sets each include a pair of corresponding state data and behavioral data.
    Type: Application
    Filed: February 15, 2023
    Publication date: October 12, 2023
    Inventor: Jin Chul CHOI
  • Patent number: 11763179
    Abstract: An apparatus and method for abnormal situation detection are disclosed. An abnormal situation detection apparatus can map first sensor data among sensor data transmitted from a plurality of sensors into a vector value, convert it into first situation information in the form of an image pattern, and generate a learning model using the first situation information and an abnormal situation reference range. In addition, the abnormal situation detection apparatus can convert second sensor data among sensor data transmitted from a plurality of sensors into a form that can be input to the learning model, and determine whether an abnormal situation occurs by applying the converted second data to the learning model.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: September 19, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung Eun Kim, Seonghyun Kim, Hyunseok Kim, Young Sung Son, Jongkwon Son, Soonyong Song, Donghun Lee, Ingook Jang, Jin Chul Choi
  • Publication number: 20220343118
    Abstract: Disclosed is a method of operating an electronic device for learning a behavior of a user, which includes receiving input data related to the behavior of the user, obtaining first behavior trajectory information by processing the input data, generating an initial behavior policy based on the first behavior trajectory information, obtaining second behavior trajectory information based on the initial behavior policy, sampling the first behavior trajectory information and the second behavior trajectory information, training an evaluation model for classifying the first behavior trajectory information and the second behavior trajectory information, and updating the initial behavior policy based on the evaluation model.
    Type: Application
    Filed: December 15, 2021
    Publication date: October 27, 2022
    Inventor: Jin Chul CHOI
  • Patent number: 11047893
    Abstract: According to an embodiment, an electronic device may include a display, a Printed Circuit Board (PCB), a communication module comprising communication circuitry disposed to the PCB, an Electro Magnetic Interference (EMI) detection module comprising EMI detecting circuitry disposed to the PCB, at least one antenna electrically coupled to the communication module and the EMI detection module, and a processor, wherein the processor is configured to: output an image using the display, control a communication configuration of the electronic device with an external electronic device using the communication module, detect an EMI signal using the antenna and the EMI detection module, and perform a designated operation based on at least the detected EMI signal.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Chul Choi, Hyunwoo Kim
  • Publication number: 20210019644
    Abstract: A method and an apparatus for exclusive reinforcement learning are provided, comprising: collecting information of states of an environment through the communication interface and performing a statistical analysis on the states using the collected information; determining a first state value of a first state among the states in a training phase and a second state value of a second state among the states in an inference phase based on analysis results of the statistical analysis; performing reinforcement learning by using one reinforcement learning unit of a plurality of reinforcement learning unit which performs reinforcement learnings from different perspectives according to the first state value; and selecting one of actions determined by the plurality of reinforcement learning unit based on the second state value and applying selected action to the environment.
    Type: Application
    Filed: July 15, 2020
    Publication date: January 21, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunseok KIM, Myung Eun KIM, Seonghyun KIM, Young Sung SON, Jongkwon SON, Soonyong SONG, Donghun LEE, Ingook JANG, Jin Chul CHOI
  • Publication number: 20210019640
    Abstract: An apparatus and method for abnormal situation detection are disclosed. An abnormal situation detection apparatus can map first sensor data among sensor data transmitted from a plurality of sensors into a vector value, convert it into first situation information in the form of an image pattern, and generate a learning model using the first situation information and an abnormal situation reference range. In addition, the abnormal situation detection apparatus can convert second sensor data among sensor data transmitted from a plurality of sensors into a form that can be input to the learning model, and determine whether an abnormal situation occurs by applying the converted second data to the learning model.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 21, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung Eun KIM, Seonghyun KIM, Hyunseok KIM, Young Sung SON, Jongkwon SON, Soonyong SONG, Donghun LEE, Ingook JANG, Jin Chul CHOI
  • Patent number: 10736223
    Abstract: A method and apparatus for attaching a display device to an exterior member in an electronic device are provided. The method includes arranging a tube to be at least partially surrounded by a foldable flexible display device, arranging the flexible display device to be at least partially surrounded by the exterior member, the flexible display device and the exterior member being folded, and inflating the tube by injecting gas into the tube. The flexible display device is attached to inner surfaces of the exterior member by the inflation of the tube.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Chul Choi, Ha-Youl Jung
  • Patent number: 10706805
    Abstract: A source driver includes a buffer unit including a plurality of unit buffers corresponding to a plurality of source lines, where each of the plurality of unit buffers includes a plurality of input terminals and an output terminal connected to at least one of the plurality of source lines, and a decoder unit configured to receive image data and a plurality of gamma voltages, and input at least one of the plurality of gamma voltages to the plurality of input terminals of each of the plurality of unit buffers, using the image data. The decoder unit inputs two or more of the gamma voltages, having different magnitudes, to the plurality of input terminals of each of first unit buffers among the plurality of unit buffers, and the first unit buffers output a gradation voltage higher than a first voltage and lower than a second voltage.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pan Soo Kim, Jin Han Kim, Mi Ri Park, Myung Ho Seo, Hyun Ji Yoon, Jin Chul Choi
  • Publication number: 20190357370
    Abstract: A method and apparatus for attaching a display device to an exterior member in an electronic device are provided. The method includes arranging a tube to be at least partially surrounded by a foldable flexible display device, arranging the flexible display device to be at least partially surrounded by the exterior member, the flexible display device and the exterior member being folded, and inflating the tube by injecting gas into the tube. The flexible display device is attached to inner surfaces of the exterior member by the inflation of the tube.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Inventors: Jin-Chul CHOI, Ha-Youl JUNG
  • Publication number: 20190304395
    Abstract: A source driver includes a buffer unit including a plurality of unit buffers corresponding to a plurality of source lines, where each of the plurality of unit buffers includes a plurality of input terminals and an output terminal connected to at least one of the plurality of source lines, and a decoder unit configured to receive image data and a plurality of gamma voltages, and input at least one of the plurality of gamma voltages to the plurality of input terminals of each of the plurality of unit buffers, using the image data. The decoder unit inputs two or more of the gamma voltages, having different magnitudes, to the plurality of input terminals of each of first unit buffers among the plurality of unit buffers, and the first unit buffers output a gradation voltage higher than a first voltage and lower than a second voltage.
    Type: Application
    Filed: October 3, 2018
    Publication date: October 3, 2019
    Inventors: PAN SOO KIM, Jin Han Kim, Mi Ri Park, Myung Ho Seo, Hyun Ji Yoon, Jin Chul Choi
  • Patent number: 10390442
    Abstract: A method and apparatus for attaching a display device to an exterior member in an electronic device are provided. The method includes arranging a tube to be at least partially surrounded by a foldable flexible display device, arranging the flexible display device to be at least partially surrounded by the exterior member, the flexible display device and the exterior member being folded, and inflating the tube by injecting gas into the tube. The flexible display device is attached to inner surfaces of the exterior member by the inflation of the tube.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Chul Choi, Ha-Youl Jung
  • Patent number: 10341930
    Abstract: A mobile ad-hoc routing apparatus includes a first communication module and a second communication module configured to transmit and receive data through a first communication band and a second communication band, respectively, a memory configured to store a program for transmitting and receiving the data, and a processor configured to execute the program stored in the memory, wherein when the program is executed, the processor receives first control information broadcast by one or more neighboring nodes via the first communication module and stores the first control information in the memory, wherein the first control information includes current position and communication status information of the neighboring node, the processor updates information on the neighboring node on the basis of the first control information, generates packet forwarding information which includes information on a node which currently allows packet data to be transmitted based on the updated information on the neighboring node, and
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: July 2, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung eun Kim, Tae Joon Park, Sun Jin Kim, Jong Hyun Park, Hyo Chan Bang, Myung Nam Bae, Dong Beom Shin, Hoe Sung Yang, Kang Bok Lee, Sang Yeoun Lee, Hye Sun Lee, Jin Chul Choi, Sang Gi Hong
  • Publication number: 20190128937
    Abstract: According to an embodiment, an electronic device may include a display, a Printed Circuit Board (PCB), a communication module comprising communication circuitry disposed to the PCB, an Electro Magnetic Interference (EMI) detection module comprising EMI detecting circuitry disposed to the PCB, at least one antenna electrically coupled to the communication module and the EMI detection module, and a processor, wherein the processor is configured to: output an image using the display, control a communication configuration of the electronic device with an external electronic device using the communication module, detect an EMI signal using the antenna and the EMI detection module, and perform a designated operation based on at least the detected EMI signal.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 2, 2019
    Inventors: Jin-Chul CHOI, Hyunwoo KIM