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).
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Patent number: 12164959Abstract: 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: GrantFiled: September 27, 2021Date of Patent: December 10, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and TechnologyInventors: Chan-Hyun Youn, Seong-Hwan Kim, Gyusang Cho
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Patent number: 12073622Abstract: 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: GrantFiled: September 27, 2021Date of Patent: August 27, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Chan-Hyun Youn, Woojoong Kim, Duc Canh Le, Eunyoung Oh, Minsu Jeon
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Publication number: 20240135682Abstract: 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 tType: ApplicationFiled: October 6, 2023Publication date: April 25, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chan-Hyun Youn, Taewoo Kim, Changha Lee, Minsu Jeon
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Patent number: 11888934Abstract: 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: GrantFiled: April 27, 2023Date of Patent: January 30, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hee Sun Won, Chan Hyun Youn, Seong Hwan Kim, Ji Hwan Kim, Eun Ju Yang, Jeong Won Lee
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Publication number: 20230353634Abstract: 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: ApplicationFiled: April 27, 2023Publication date: November 2, 2023Applicant: Electronics and Telecommunications Research InstituteInventors: Hee Sun WON, Chan Hyun YOUN, Seong Hwan KIM, Ji Hwan KIM, Eun Ju YANG, Jeong Won LEE
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Publication number: 20230222343Abstract: A control method and system based on layer-wise adaptive channel pruning are provided.Type: ApplicationFiled: December 1, 2022Publication date: July 13, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: CHAN-HYUN YOUN, Minsu Jeon
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Publication number: 20230214646Abstract: A method for searching deep neural network architecture for computation offloading in a computing environment is provided.Type: ApplicationFiled: July 1, 2022Publication date: July 6, 2023Applicant: Korea Advanced Institute of Science and TechnologyInventors: CHAN-HYUN YOUN, KYUNGCHAE LEE, LINH LE VU, HEEJAE KIM
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Publication number: 20220107837Abstract: 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: ApplicationFiled: September 17, 2021Publication date: April 7, 2022Applicant: Korea Advanced Institute of Science and TechnologyInventors: Chan-Hyun YOUN, Seong-Hwan KIM, Gyusang CHO
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Publication number: 20220107839Abstract: 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: ApplicationFiled: September 27, 2021Publication date: April 7, 2022Applicant: Korea Advanced Institute Of Science And TechnologyInventors: Chan-Hyun YOUN, Seong-Hwan KIM, Gyusang CHO
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Publication number: 20220101005Abstract: 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: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: CHAN-HYUN YOUN, WOOJOONG KIM, DUC CANH LE, EUNYOUNG OH, MINSU JEON
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Publication number: 20210334653Abstract: 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: ApplicationFiled: April 15, 2021Publication date: October 28, 2021Inventors: Chan Hyun Youn, Chang Ha Lee, Seong Hwan Kim
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Publication number: 20210034915Abstract: 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: ApplicationFiled: July 30, 2020Publication date: February 4, 2021Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chan-Hyun YOUN, Minsu JEON, Seong Hwan KIM
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Patent number: 9614783Abstract: 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: GrantFiled: March 15, 2013Date of Patent: April 4, 2017Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: 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
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Patent number: 9270753Abstract: 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: GrantFiled: March 12, 2013Date of Patent: February 23, 2016Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: 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
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Patent number: 8621476Abstract: 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: GrantFiled: December 11, 2009Date of Patent: December 31, 2013Assignee: Korea Advanced Institute of Science and TechnologyInventors: Chan-Hyun Youn, Youngjoo Han
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Publication number: 20130247223Abstract: 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: ApplicationFiled: March 15, 2013Publication date: September 19, 2013Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTDInventors: 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
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Publication number: 20130246616Abstract: 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: ApplicationFiled: March 15, 2013Publication date: September 19, 2013Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTDInventors: 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
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Publication number: 20130238752Abstract: 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: ApplicationFiled: March 12, 2013Publication date: September 12, 2013Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTDInventors: 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
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Publication number: 20100153960Abstract: 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: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chan-Hyun YOUN, Youngjoo Han
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Publication number: 20080312515Abstract: 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: ApplicationFiled: December 7, 2007Publication date: December 18, 2008Applicant: RESEARCH AND INDUSTRIAL COOPERATION GROUPInventors: Chan-Hyun Youn, Chang-Hee Han, Youngjoo Han, Byung-Jin Kim, Jin-Ho Kim, Eun Bo Shim