Patents by Inventor Kwang-Hyun Won
Kwang-Hyun Won 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: 20240098251Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.Type: ApplicationFiled: November 21, 2023Publication date: March 21, 2024Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATIONInventors: Byeung Woo JEON, Bong Soo JUNG, Kwang Hyun WON
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Patent number: 11863740Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.Type: GrantFiled: June 27, 2022Date of Patent: January 2, 2024Assignee: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATIONInventors: Byeung Woo Jeon, Bong Soo Jung, Kwang Hyun Won
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Publication number: 20230379502Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.Type: ApplicationFiled: August 4, 2023Publication date: November 23, 2023Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo JEON, Kwang Hyun WON
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Patent number: 11765388Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.Type: GrantFiled: May 24, 2022Date of Patent: September 19, 2023Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo Jeon, Kwang Hyun Won
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Patent number: 11566438Abstract: A mobility hub is composed of a plurality of layers and serves as a terminal of a ground mobility and an air mobility. The mobility hub includes: a ground layer provided with an entrance of the ground mobility; a port layer provided with a taking-off and landing site of the air mobility; and a middle layer provided between the ground layer and the port layer. The middle layer has the ground mobility elevating in a space with the ground layer, is provided with a plurality of connection slots to which the ground mobility is connected, and provides an activity space through the ground mobility if the ground mobility is coupled to the connection slot.Type: GrantFiled: February 25, 2021Date of Patent: January 31, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sueng Ho Lee, Sun Sung Kwon, Byung Hoon Yang, Jeong Mo Jang, Kwang Hyun Won, So Ra Roh, Jae Wan Choi, Min Su Kim, Yoh Han Kim, Ji Hwan Byun
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Publication number: 20220337816Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.Type: ApplicationFiled: June 27, 2022Publication date: October 20, 2022Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATIONInventors: Byeung Woo JEON, Bong Soo JUNG, Kwang Hyun WON
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Publication number: 20220286707Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.Type: ApplicationFiled: May 24, 2022Publication date: September 8, 2022Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo JEON, Kwang Hyun WON
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Patent number: 11438575Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.Type: GrantFiled: November 28, 2018Date of Patent: September 6, 2022Assignee: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATIONInventors: Byeung Woo Jeon, Bong Soo Jung, Kwang Hyun Won
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Patent number: 11375237Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.Type: GrantFiled: April 28, 2020Date of Patent: June 28, 2022Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Byeung Woo Jeon, Kwang Hyun Won
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Patent number: 11363989Abstract: Provided are an electronic device, a signal processing method thereof, a biological signal measurement system, and a non-transitory computer readable recording medium. The electronic device, according to one embodiment of the present disclosure, comprises: a sensor for measuring a biological signal of a user; and a processor for determining the periodicity of the measured biological signal, and selectively compressing the measured biological signal according to the determined periodicity.Type: GrantFiled: October 6, 2016Date of Patent: June 21, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-soon Kim, Kwang-hyun Won, Min-hyoung Lee, Do-yoon Kim, Chan-yul Kim, Jea-hyuck Lee, Jae-geol Cho
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Patent number: 11331997Abstract: A hybrid power transmission apparatus for a vehicle which changes and outputs torque of an engine and a first motor, includes an input shaft selectively input engine torque through an engine clutch, an output externally engages with a differential final reduction gear through an output gear to output shifted torque, a fixed shifting section including a plurality of external gear sets implementing an engine mode having multiple fixed shifting stages, and a mode shifting section including a planetary gear set having a first rotation element fixedly connected to the input shaft and a third rotation element that is externally gear-engaged with a first motor gear of the first motor via a first gear, and one external gear set configured for power connection between a second rotation element of the planetary gear set and the output shaft.Type: GrantFiled: July 13, 2021Date of Patent: May 17, 2022Assignees: Hyundai Motor Company, Kia CorporationInventors: Dongwoo Kim, Seong Wook Hwang, Kijong Park, Chon Ok Kim, Jong Hyo Park, Juhyeon Park, Sangki Kwak, Seong Kyeong Cheon, Kwang Hyun Won, Soonki Eo, Yong Sug Choi, Ilhan Yoo
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Publication number: 20220112736Abstract: A mobility hub is composed of a plurality of layers and serves as a terminal of a ground mobility and an air mobility. The mobility hub includes: a ground layer provided with an entrance of the ground mobility; a port layer provided with a taking-off and landing site of the air mobility; and a middle layer provided between the ground layer and the port layer. The middle layer has the ground mobility elevating in a space with the ground layer, is provided with a plurality of connection slots to which the ground mobility is connected, and provides an activity space through the ground mobility if the ground mobility is coupled to the connection slot.Type: ApplicationFiled: February 25, 2021Publication date: April 14, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sueng Ho Lee, Sun Sung Kwon, Byung Hoon Yang, Jeong Mo Jang, Kwang Hyun Won, So Ra Roh, Jae Wan Choi, Min Su Kim, Yoh Han Kim, Ji Hwan Byun
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Patent number: 10944995Abstract: A decoding apparatus is provided. The decoding apparatus includes a communication unit for receiving multiple encoding data respectively corresponding to multiple areas constituting one image, and reference data including attribute information of each of the multiple areas, and a processor for generating multiple divided images by decoding the multiple encoding data respectively, changing the resolutions of some divided images among the multiple divided images on the basis of the received attribute information, and generating a reconstructed image by merging the some divided images having the changed resolutions and the remaining divided images.Type: GrantFiled: April 17, 2017Date of Patent: March 9, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang-hyun Won, Jae-sung Lee, Won-hee Choe, Soon-gi Hong
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Patent number: 10939135Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: GrantFiled: September 18, 2020Date of Patent: March 2, 2021Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
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Patent number: 10931970Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: GrantFiled: August 5, 2019Date of Patent: February 23, 2021Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
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Patent number: 10924763Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: GrantFiled: September 18, 2020Date of Patent: February 16, 2021Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
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Patent number: 10917661Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: GrantFiled: September 18, 2020Date of Patent: February 9, 2021Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
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Publication number: 20210006827Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: ApplicationFiled: September 18, 2020Publication date: January 7, 2021Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON
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Publication number: 20210006828Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: ApplicationFiled: September 18, 2020Publication date: January 7, 2021Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON
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Publication number: 20210006826Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.Type: ApplicationFiled: September 18, 2020Publication date: January 7, 2021Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON