Patents by Inventor Yong-Uk YOON
Yong-Uk YOON 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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Publication number: 20240064295Abstract: There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.Type: ApplicationFiled: October 26, 2023Publication date: February 22, 2024Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Ji Hoon DO, Yong Uk YOON, Do Hyeon PARK, Yung Lyul LEE
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Publication number: 20240013447Abstract: The present disclosure provides a method and a device for encoding/decoding a multi-scale feature group. A multi-scale feature group encoding method according to the present disclosure includes transforming a multi-scale feature group into a multi-channel feature; adjusting the number of channels of the multi-channel feature; acquiring a plane image based on a feature that the number of channels is adjusted; and encoding the plane image.Type: ApplicationFiled: July 11, 2023Publication date: January 11, 2024Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Joo Young LEE, Se Yoon JEONG, Youn Hee KIM, Jin Soo CHOI, Dong Ha KIM, Yong Uk YOON, Jae Gon KIM
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Publication number: 20230421804Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, inter-prediction information for a target block may be derived, and inter prediction for a target block may be performed using the derived inter-prediction information. Combined inter-prediction information may be performed by combining multiple pieces of inter-prediction information, and the combined inter-prediction information may be added as a candidate to a list used for inter prediction. One of candidates in the list may be selected for inter prediction for the target block, and inter prediction using the selected candidate may be performed.Type: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin-Ho LEE, Jung-Won KANG, Hyunsuk KO, Sung-Chang LIM, Ha-Hyun LEE, Dong-San JUN, Hui-Yong KIM, Jae-Gon KIM, Do-Hyeon PARK, Yong-Uk YOON
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Publication number: 20230396760Abstract: An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.Type: ApplicationFiled: August 21, 2023Publication date: December 7, 2023Inventors: Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Ji Hoon DO
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Patent number: 11818340Abstract: There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.Type: GrantFiled: July 5, 2019Date of Patent: November 14, 2023Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin Ho Lee, Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Hui Yong Kim, Jae Gon Kim, Ji Hoon Do, Yong Uk Yoon, Do Hyeon Park, Yung Lyul Lee
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Publication number: 20230336780Abstract: Disclosed herein are a method, an apparatus, and a storage medium for encoding/decoding a feature map for machine vision. In an embodiment, an encoding method includes generating a multi-channel feature map by aligning multiple feature maps, generating a converted feature map by performing conversion on the multi-channel feature map and performing encoding on the converted feature map.Type: ApplicationFiled: April 18, 2023Publication date: October 19, 2023Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Joo-Young LEE, Youn-Hee KIM, Se-Yoon JEONG, Jin-Soo CHOI, Dong-Ha KIM, Jae-Gon KIM, Yong-Uk YOON
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Patent number: 11792424Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, inter-prediction information for a target block may be derived, and inter prediction for a target block may be performed using the derived inter-prediction information. Combined inter-prediction information may be performed by combining multiple pieces of inter-prediction information, and the combined inter-prediction information may be added as a candidate to a list used for inter prediction. One of candidates in the list may be selected for inter prediction for the target block, and inter prediction using the selected candidate may be performed.Type: GrantFiled: June 28, 2021Date of Patent: October 17, 2023Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin-Ho Lee, Jung-Won Kang, Hyunsuk Ko, Sung-Chang Lim, Ha-Hyun Lee, Dong-San Jun, Hui-Yong Kim, Jae-Gon Kim, Do-Hyeon Park, Yong-Uk Yoon
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Patent number: 11792393Abstract: An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.Type: GrantFiled: December 30, 2019Date of Patent: October 17, 2023Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Jae Gon Kim, Do Hyeon Park, Yong Uk Yoon, Ji Hoon Do
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Publication number: 20220408091Abstract: There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.Type: ApplicationFiled: August 24, 2022Publication date: December 22, 2022Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Yung Lyul LEE
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Publication number: 20220385888Abstract: An image encoding/decoding method and apparatus are disclosed. The method of decoding an image according to the present invention, comprises, generating a first prediction block of a current block, generating a second prediction block of the current block and generating a final prediction sample of the current block using a sample unit weighted sum of the first prediction block and the second prediction block, wherein a weight used for the sample unit weighted sum is determined based on a location of a current luma sample and a geometric prediction mode (GPM) boundary line for partitioning the current block.Type: ApplicationFiled: September 21, 2020Publication date: December 1, 2022Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Jae Gon KIM, Ji Hoon DO, Do Hyeon PARK, Yong Uk YOON
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Publication number: 20220312003Abstract: Disclosed herein are image encoding/decoding method and apparatus. The image decoding method according to the present invention includes: obtaining prediction mode information of a neighboring block for a current block from a bitstream; by using the obtained information, deriving a prediction mode of the neighboring block; and, based on the prediction mode of the neighboring block, reconstructing the current block.Type: ApplicationFiled: June 19, 2020Publication date: September 29, 2022Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Yong Uk YOON, Do Hyeon PARK
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Patent number: 11457217Abstract: There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.Type: GrantFiled: June 12, 2019Date of Patent: September 27, 2022Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Jin Ho Lee, Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Hui Yong Kim, Jae Gon Kim, Do Hyeon Park, Yong Uk Yoon, Yung Lyul Lee
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Publication number: 20220303528Abstract: Disclosed herein are a decoding method and apparatus and an encoding method and apparatus for deriving an intra-prediction mode. An intra-prediction mode may be derived using a method for deriving an intra-prediction mode based on a neighbor block of the target block, a method for deriving an intra-prediction mode using signaling of the intra-prediction mode of the target block, or a method for deriving an adaptive intra-prediction mode based on the type of a target slice. An MPM list may be used to derive the intra-prediction mode, and a temporal neighbor block or the like may be used to configure the MPM list.Type: ApplicationFiled: May 9, 2022Publication date: September 22, 2022Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Industry Academy Cooperation Foundation of Sejong UniversityInventors: Jin-Ho LEE, Jae-Gon KIM, Jung-Won KANG, Do-Hyeon PARK, Yung-Lyul LEE, Ha-Hyun LEE, Sung-Chang LIM, Hui-Yong KIM, Ji-Hoon DO, Yong-Uk YOON
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Publication number: 20220279179Abstract: The present invention provides a method and device wherein segmentation information for a current picture is encoded/decoded, and the current picture is segmented into at least one of sub-picture units, slice units, and tile units according to the encoded/decoded segmentation information.Type: ApplicationFiled: August 11, 2020Publication date: September 1, 2022Applicant: HANWHA TECHWIN CO., LTD.Inventors: Jae Gon KIM, Ji Hoon DO, Do Heon PARK, Yong Uk YOON
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Publication number: 20220232221Abstract: Disclosed herein are an image encoding/decoding method and apparatus. The image decoding method of the present disclosure may include obtaining maximum transform block size information, deriving a maximum transform block size on the basis of the maximum transform block size information, and, determining ether or not a secondary inverse transform is applied to the current block on the basis of the maximum transform block size and a horizontal size and a vertical size of a current block.Type: ApplicationFiled: June 19, 2020Publication date: July 21, 2022Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Ji Hoon DO, Yong Uk YOON
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Publication number: 20220232230Abstract: Disclosed herein is a video decoding method including determining a zero-out width threshold and a zero-out height threshold for distinguishing between a transform coefficient coding region and a zero-out region of a current block according to a size of the current block, determining the transform coefficient coding region and the zero-out region of the current block according to the zero-out width threshold and the zero-out height threshold, acquiring transform coefficient information of the transform coefficient coding region from a bitstream and determining a level of a transform coefficient of the transform coefficient coding region according to the transform coefficient information, determining a level of a transform coefficient of the zero-out region as 0 without acquiring transform coefficient information, and reconstructing the current block by inversely transforming the transform coefficient of the current block.Type: ApplicationFiled: May 29, 2020Publication date: July 21, 2022Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Ji Hoon DO, Yong Uk YOON
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Patent number: 11363260Abstract: Disclosed herein are a decoding method and apparatus and an encoding method and apparatus for deriving an intra-prediction mode. An intra-prediction mode may be derived using a method for deriving an intra-prediction mode based on a neighbor block of the target block, a method for deriving an intra-prediction mode using signaling of the intra-prediction mode of the target block, or a method for deriving an adaptive intra-prediction mode based on the type of a target slice. An MPM list may be used to derive the intra-prediction mode, and a temporal neighbor block or the like may be used to configure the MPM list.Type: GrantFiled: August 3, 2020Date of Patent: June 14, 2022Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Industry-Academia Cooperation Group of Sejong UniversityInventors: Jin-Ho Lee, Jae-Gon Kim, Jung-Won Kang, Do-Hyeon Park, Yung-Lyul Lee, Ha-Hyun Lee, Sung-Chang Lim, Hui-Yong Kim, Ji-Hoon Do, Yong-Uk Yoon
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Publication number: 20220070448Abstract: An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.Type: ApplicationFiled: December 30, 2019Publication date: March 3, 2022Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Ji Hoon DO
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Publication number: 20210392321Abstract: An image encoding and decoding method comprises the steps of: determining an inter-component prediction mode of a chrominance component block on the basis of an inter-component prediction mode list and predetermined index information; determining a reference sample for inter-component prediction of the chrominance component block on the basis of the determined inter-component prediction mode; deriving the parameters of a linear prediction model by using the reference sample; and performing inter-component prediction for the chrominance component block by using the parameters of the linear prediction model.Type: ApplicationFiled: November 22, 2019Publication date: December 16, 2021Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Ji Hoon DO
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Publication number: 20210329294Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, inter-prediction information for a target block may be derived, and inter prediction for a target block may be performed using the derived inter-prediction information. Combined inter-prediction information may be performed by combining multiple pieces of inter-prediction information, and the combined inter-prediction information may be added as a candidate to a list used for inter prediction. One of candidates in the list may be selected for inter prediction for the target block, and inter prediction using the selected candidate may be performed.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Jin-Ho Lee, Jung-Won Kang, Hyunsuk Ko, Sung-Chang Lim, Ha-Hyun Lee, Dong-San Jun, Hui-Yong Kim, Jae-Gon Kim, Do-Hyeon Park, Yong-Uk Yoon