Patents by Inventor Chan-Hyun Youn

Chan-Hyun Youn 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).

  • Patent number: 12164959
    Abstract: A task execution method includes receiving an execution request for a first task; analyzing the first task and dividing the first task into sub-tasks, the sub-tasks including a first sub-task and a second sub-task; calculating respective deadline times of the sub-tasks; scheduling the sub-tasks for processing by resources, the resources using neural networks; sequentially executing the sub-tasks using the resources and the neural networks; checking whether respective runtimes of the sub-tasks exceed a corresponding deadline time; and executing the second sub-task, subsequent to executing the first sub-task, using a first pruned neural network generated from the neural networks when the checking indicates that the runtime of the first sub-task exceeds the deadline time of the first sub-task.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: December 10, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Chan-Hyun Youn, Seong-Hwan Kim, Gyusang Cho
  • Patent number: 12073622
    Abstract: A method of operating a reconfigurable logic circuit includes; receiving a video sequence, profiling throughput of the video sequence with regard to a parameter constituting the reconfigurable logic circuit to generate a profiling result, initializing the parameter to a maximum value, evaluating throughput of the video sequence with regard to a current parameter value based on the profiling result, decreasing the current parameter value when throughput with regard to the current parameter value is not a maximum value, and determining that the current parameter value is an optimal parameter when throughput with regard to the current parameter value is the maximum value, and analyzing the video sequence based on the optimal parameter.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: August 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-Hyun Youn, Woojoong Kim, Duc Canh Le, Eunyoung Oh, Minsu Jeon
  • Publication number: 20240135682
    Abstract: An electronic device includes a memory configured to store at least one instruction; and at least one processor configured to execute the at least one instruction to: input first data to a first artificial intelligence model including a plurality of convolution blocks sequentially connected with a pooling layer interposed therebetween to obtain a plurality of feature maps that are output by corresponding ones of the plurality of convolution blocks, input the first data and the plurality of feature maps to a second artificial intelligence model including a plurality of local attention blocks sequentially connected to obtain a plurality of attention maps that are output by corresponding ones of the plurality of local attention blocks, output an amplified feature map by amplifying a region corresponding to a last attention map among the plurality of attention maps in a last feature map among the plurality of feature maps, and input the amplified feature map to a classifier to output a classification result for t
    Type: Application
    Filed: October 6, 2023
    Publication date: April 25, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chan-Hyun Youn, Taewoo Kim, Changha Lee, Minsu Jeon
  • Patent number: 11888934
    Abstract: Provided are a device and method for synchronizing data between hubs in real time. The method includes verifying a session interworking environment, deriving session negotiation candidates, generating a session negotiation protocol message, transmitting a session negotiation request signal including the generated session negotiation protocol message to a second data hub, receiving a session negotiation settlement signal corresponding to the session negotiation request signal from the second data hub, generating a session module on the basis of the session negotiation settlement signal, and transmitting a session negotiation settlement signal to the second data hub.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: January 30, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hee Sun Won, Chan Hyun Youn, Seong Hwan Kim, Ji Hwan Kim, Eun Ju Yang, Jeong Won Lee
  • Publication number: 20230353634
    Abstract: Provided are a device and method for synchronizing data between hubs in real time. The method includes verifying a session interworking environment, deriving session negotiation candidates, generating a session negotiation protocol message, transmitting a session negotiation request signal including the generated session negotiation protocol message to a second data hub, receiving a session negotiation settlement signal corresponding to the session negotiation request signal from the second data hub, generating a session module on the basis of the session negotiation settlement signal, and transmitting a session negotiation settlement signal to the second data hub.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 2, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hee Sun WON, Chan Hyun YOUN, Seong Hwan KIM, Ji Hwan KIM, Eun Ju YANG, Jeong Won LEE
  • Publication number: 20230222343
    Abstract: A control method and system based on layer-wise adaptive channel pruning are provided.
    Type: Application
    Filed: December 1, 2022
    Publication date: July 13, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: CHAN-HYUN YOUN, Minsu Jeon
  • Publication number: 20230214646
    Abstract: A method for searching deep neural network architecture for computation offloading in a computing environment is provided.
    Type: Application
    Filed: July 1, 2022
    Publication date: July 6, 2023
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: CHAN-HYUN YOUN, KYUNGCHAE LEE, LINH LE VU, HEEJAE KIM
  • Publication number: 20220107837
    Abstract: A task execution method using resources includes receiving an execution request for a first task; analyzing the first task and dividing the first task into a plurality of sub-tasks; identifying a sub-task using a first neural network from among the sub-tasks and dividing the identified sub-task into a plurality of layer tasks corresponding to calculations between layers constituting the first neural network; calculating a deadline time of each of the sub-tasks; scheduling a first sub-task to be scheduled to a first resource group from among the resources; and, when a runtime of the first sub-task exceeds a deadline time of the first sub-task, scheduling a sub-task or a layer task subsequent to the first sub-task to a second resource group.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 7, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Chan-Hyun YOUN, Seong-Hwan KIM, Gyusang CHO
  • Publication number: 20220107839
    Abstract: A task execution method includes receiving an execution request for a first task; analyzing the first task and dividing the first task into sub-tasks, the sub-tasks including a first sub-task and a second sub-task; calculating respective deadline times of the sub-tasks; scheduling the sub-tasks for processing by resources, the resources using neural networks; sequentially executing the sub-tasks using the resources and the neural networks; checking whether respective runtimes of the sub-tasks exceed a corresponding deadline time; and executing the second sub-task, subsequent to executing the first sub-task, using a first pruned neural network generated from the neural networks when the checking indicates that the runtime of the first sub-task exceeds the deadline time of the first sub-task.
    Type: Application
    Filed: September 27, 2021
    Publication date: April 7, 2022
    Applicant: Korea Advanced Institute Of Science And Technology
    Inventors: Chan-Hyun YOUN, Seong-Hwan KIM, Gyusang CHO
  • Publication number: 20220101005
    Abstract: A method of operating a reconfigurable logic circuit includes; receiving a video sequence, profiling throughput of the video sequence with regard to a parameter constituting the reconfigurable logic circuit to generate a profiling result, initializing the parameter to a maximum value, evaluating throughput of the video sequence with regard to a current parameter value based on the profiling result, decreasing the current parameter value when throughput with regard to the current parameter value is not a maximum value, and determining that the current parameter value is an optimal parameter when throughput with regard to the current parameter value is the maximum value, and analyzing the video sequence based on the optimal parameter.
    Type: Application
    Filed: September 27, 2021
    Publication date: March 31, 2022
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: CHAN-HYUN YOUN, WOOJOONG KIM, DUC CANH LE, EUNYOUNG OH, MINSU JEON
  • Publication number: 20210334653
    Abstract: Disclosed is a hybrid deep learning scheduling method for accelerated processing of a multi-advanced metering infrastructure (AMI) data stream in edge computing, wherein a skewed data distribution change, which occurs in AMI data, is detected, an edge server computes an online gradient, which is comparatively quickly computed, on the basis of the detected change, a cloud server computes a normalized gradient, which requires a large amount of computation, according to selection by a hybrid scheduler, and the hybrid scheduler performs a total of three operations: (1) a data stream distribution profiling operation, (2) a memory buffer update operation, and (3) a hybrid scheduling operation.
    Type: Application
    Filed: April 15, 2021
    Publication date: October 28, 2021
    Inventors: Chan Hyun Youn, Chang Ha Lee, Seong Hwan Kim
  • Publication number: 20210034915
    Abstract: An object re-identification method performed by an object re-identification apparatus. The method includes detecting an object in a plurality of images; inferring object information including an attribute for the detected object; selecting an object having a same attribute as an identification target object from the inferred object information as a comparison target object; inferring a photographing angle of the selected comparison target object; selecting an identification candidate object from the comparison target object according to whether the inferred photographing angle is included in a predetermined angle range corresponding to the identification target object; and identifying whether the selected identification candidate object is matched with the identification target object.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chan-Hyun YOUN, Minsu JEON, Seong Hwan KIM
  • Patent number: 9614783
    Abstract: A method for determining a source and a transmission path to provide content includes receiving a message comprising at least one of channel information of a link between a request device which requests content download and a central management device, available resource amount information of a candidate device, channel information of a link between the candidate device and the central management device, and channel information of a link between the request device and one candidate device. The method also includes determining a source device and the transmission path for providing the content to the request device using an available resource amount of the candidate device, a data rate of the link between the request device and the central management device, a data rate of the link between the request device and the candidate device, and a data rate of the link between the candidate device and the central management device.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 4, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Patent number: 9270753
    Abstract: A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: February 23, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yongsuk Park, Sun-Mi Kim, Chan-Hyun Youn, Dan-Keun Sung, Jin-Won Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han, Tae-Hoon Kim, Ji-Young Cha
  • Patent number: 8621476
    Abstract: A method for resource management in grid computing systems includes defining user's demands on execution of a task as SLA (Service Level Agreements) information; monitoring states of resources in a grid to store the states as resource state information; calculating for each resource in the grid, based on the resource state information, an expected completion time of the task and an expected profit to be obtained by completing the task; creating an available resource cluster by using the expected execution time and the expected profit; and determining, if the SLA information is satisfied by the available resource cluster, a task processing policy for executing the task by using at least one resource in the available resource cluster. The available resource cluster is a set of resources having the expected completion time within a deadline of the task and the expected profit being positive.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: December 31, 2013
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Chan-Hyun Youn, Youngjoo Han
  • Publication number: 20130247223
    Abstract: A privacy protection policy is present in a content sharing system. A method for managing contents in a content sharing system includes receiving a content download request from a first account through a first device; and determining whether to carry out the download by considering at least one of a sharing range of a download-requested content, a content access right of the first account, a content access right of an owner account of the first device, a sharing range of a download folder, and sharing acceptance or rejection of an owner of the content.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 19, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Publication number: 20130246616
    Abstract: A method for determining a source and a transmission path to provide content includes receiving a message comprising at least one of channel information of a link between a request device which requests content download and a central management device, available resource amount information of a candidate device, channel information of a link between the candidate device and the central management device, and channel information of a link between the request device and one candidate device. The method also includes determining a source device and the transmission path for providing the content to the request device using an available resource amount of the candidate device, a data rate of the link between the request device and the central management device, a data rate of the link between the request device and the candidate device, and a data rate of the link between the candidate device and the central management device.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 19, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Publication number: 20130238752
    Abstract: A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 12, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Chan-Hyun Youn, Dan-Keun Sung, Jin-Won Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han, Tae-Hoon Kim, Ji-Young Cha
  • Publication number: 20100153960
    Abstract: A method for resource management in grid computing systems includes defining user's demands on execution of a task as SLA (Service Level Agreements) information; monitoring states of resources in a grid to store the states as resource state information; calculating for each resource in the grid, based on the resource state information, an expected completion time of the task and an expected profit to be obtained by completing the task; creating an available resource cluster by using the expected execution time and the expected profit; and determining, if the SLA information is satisfied by the available resource cluster, a task processing policy for executing the task by using at least one resource in the available resource cluster. The available resource cluster is a set of resources having the expected completion time within a deadline of the task and the expected profit being positive.
    Type: Application
    Filed: December 11, 2009
    Publication date: June 17, 2010
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chan-Hyun YOUN, Youngjoo Han
  • Publication number: 20080312515
    Abstract: System and method provide an on-line high-performance diagnosis service for cardiovascular disorders. A client requests a high-performance diagnosis by transmitting real electrocardiographic treatment data and magnetocardiographic treatment data of a human body being a treatment object and virtual heart simulation parameters to a medical service server. The medical service server, in response to the diagnosis request, analyzes the real electrocardiographic treatment data to generate an electrocardiographic analysis result, and performs a virtual heart simulation using the simulation parameters to generate a pseudo electrocardiogram and magnetocardiogram.
    Type: Application
    Filed: December 7, 2007
    Publication date: December 18, 2008
    Applicant: RESEARCH AND INDUSTRIAL COOPERATION GROUP
    Inventors: Chan-Hyun Youn, Chang-Hee Han, Youngjoo Han, Byung-Jin Kim, Jin-Ho Kim, Eun Bo Shim