Patents by Inventor Sung Woong Choi
Sung Woong 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).
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Publication number: 20240155152Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hui Yong KIM, Gwang Hoon PARK, Kyung Yong KIM, Sang Min KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
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Patent number: 11975076Abstract: The present invention relates to antibody-drug conjugates (ADCs) wherein a plurality of active agents are conjugated to an antibody through at least one branched linker. The branched linker may comprise a branching unit, and two active agents are coupled to the branching unit through a secondary linker and the branching unit is coupled to the antibody by a primary linker. The active agents may be the same or different. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g., 2-4 branched linkers, which may each be coupled to a different C-terminal cysteine of a heavy or light chain of the antibody. The branched linker may comprise one active agent coupled to the branching unit by a first branch and a second branch that comprises a polyethylene glycol moiety coupled to the branching unit. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g.Type: GrantFiled: November 12, 2021Date of Patent: May 7, 2024Assignee: LegoChem Biosciences, Inc.Inventors: Yong Zu Kim, Yeong Soo Oh, Jeiwook Chae, Ho Young Song, Chul-Woong Chung, Yun Hee Park, Hyo Jung Choi, Kyung Eun Park, Hyoungrae Kim, Jinyeong Kim, Ji Young Min, Sung Min Kim, Byung Soo Lee, Dong Hyun Woo, Ji Eun Jung, Su In Lee
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Method for determining color difference component quantization parameter and device using the method
Patent number: 11979573Abstract: Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.Type: GrantFiled: August 1, 2022Date of Patent: May 7, 2024Assignee: Dolby Laboratories Licensing CorporationInventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim -
Publication number: 20240143927Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicants: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Sung Roh YOON, Bong Kyu HWANG, Ju Dong KIM, Jae Woong YUN, Hyun Jae LEE, Hyun Jin CHOI, Jong Yoon SONG, Noh II PARK, Seong Ho JOE, Young June GWON
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Patent number: 11962766Abstract: The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block, wherein the step of scanning the residual signal can determine a scanning type for a luminance signal and a chroma signal of the current block according to an intra prediction mode for a luminance sample of the current block.Type: GrantFiled: April 9, 2021Date of Patent: April 16, 2024Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
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Patent number: 11962803Abstract: The multi sample prediction method of the present invention comprises the steps of: determining a sample group consisting of a plurality of samples inside a decoding target block; determining a representative position corresponding to the sample group, inside the decoding target block; determining a representative prediction value for the sample group, on the basis of the determined representative position; and determining the determined representative prediction value as the final prediction value for each of the plurality of samples making up the sample group. The present invention enhances efficiency in encoding/decoding and reduces complexity thereof.Type: GrantFiled: May 31, 2023Date of Patent: April 16, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Jin Soo Choi, Jin Woong Kim
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Publication number: 20240107002Abstract: A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Se Yoon JEONG, Hui Yong KIM, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Jong Ho KIM, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Gwang Hoon PARK, Kyung Yong KIM, Tae Ryong KIM, Han Soo LEE
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Publication number: 20240098302Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.Type: ApplicationFiled: November 22, 2023Publication date: March 21, 2024Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace UniversityInventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Jae Gon KIM, Sang Yong LEE, Un Ki PARK
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Publication number: 20240073416Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee UniversityInventors: Sung Chang LIM, Ha Hyun LEE, Se Yoon JEONG, Hui Yong KIM, Suk Hee CHO, Jong Ho KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Dong Gyu SIM, Seoung Jun OH, Gwang Hoon PARK, Sea Nae PARK, Chan Woong JEON
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Patent number: 11917193Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.Type: GrantFiled: February 4, 2020Date of Patent: February 27, 2024Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sang Min Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
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Publication number: 20230397049Abstract: An operating method of a receiving device of a communication system may comprise: receiving an identical signal from an identical transmitting device; receiving interference signals from heterogeneous transmitting devices installed at sample installation points in a base station installation target area; and setting an acceptable interference level on the basis of received signal strength indicators (RSSIs) of the interference signals.Type: ApplicationFiled: December 14, 2022Publication date: December 7, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jun Seok KIM, Young Jun CHONG, Sung Woong CHOI, Heon Jin HONG
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Patent number: 11246100Abstract: A method of selecting a path for transmitting a maximum power from a base station to a terminal includes simplifying a plurality of structures in an area by using OBBs, the area being an area in which beam search is to be performed; forming the plurality of simplified structures into a tree structure for ray tracing; performing the ray tracing by applying a ray tracing relation tree reduction (RRTR) algorithm for reducing an amount of computation of a GPU to the tree structure; and applying a linear regression (LR) algorithm for calculating the maximum power to be transmitted from the base station to the terminal based on a result of the ray tracing.Type: GrantFiled: December 3, 2020Date of Patent: February 8, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chung Sup Kim, Sung Woong Choi, Jong Soo Lim, Ju Yeon Hong, Young Jun Chong
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Publication number: 20210158610Abstract: Disclosed is a method and device for generating terrain data for terrain analysis. The method may include identifying first data including (i) identification information indicating whether there is a structure in a predetermined area and the number of structures and (ii) a topographic altitude of the predetermined area, identifying, if there is a structure in the predetermined area, second data including a highest altitude of the structure and a depth of the structure, and mapping the first data and the second data to terrain data of the predetermined area.Type: ApplicationFiled: January 8, 2020Publication date: May 27, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Woong CHOI, Ho Kyung SON, Young Jun CHONG, Heon Jin HONG
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Patent number: 11006725Abstract: The present invention disclosed herein relates to a bead discharge pump container, in particular, a bead discharge pump container, which has a cylinder-type pump structure having a check valve and designed by changing a check valve structure, a piton rod structure, a gap between a piston rod and a seal cap, and the like such that the bead contents are easily discharged without being burst.Type: GrantFiled: January 15, 2018Date of Patent: May 18, 2021Assignee: YONWOO CO., LTD.Inventors: Seo-Hui Jung, Sung-Woong Choi
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Publication number: 20200128552Abstract: Provided is a method of assessing an interference effect, the method including setting, to determine an interference effect exerted by at least one communication device of a first wireless communication network on a fixed communication device previously arranged in a second wireless communication network, a parameter associated with the communication device of the first wireless communication network and the communication device of the second wireless communication network, generating, for each snapshot, an arrangement state of the communication device of the first wireless communication network arranged based on the communication device of the second wireless communication network, and assessing an interference effect of the communication device of the first wireless communication network on the communication device of the second wireless communication network on a time-by-time basis.Type: ApplicationFiled: November 29, 2018Publication date: April 23, 2020Inventors: Ho Kyung SON, Young Jun CHONG, Sung Woong CHOI, Heon Jin HONG
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Publication number: 20200008557Abstract: The present invention disclosed herein relates to a bead discharge pump container, in particular, a bead discharge pump container, which has a cylinder-type pump structure having a check valve and designed by changing a check valve structure, a piton rod structure, a gap between a piston rod and a seal cap, and the like such that the bead contents are easily discharged without being burst.Type: ApplicationFiled: January 15, 2018Publication date: January 9, 2020Inventors: Seo-Hui Jung, Sung-Woong Choi
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Patent number: 9377494Abstract: Disclosed are an apparatus and a method for analyzing a distribution of electromagnetic waves using a 4-port transverse electromagnetic (TEM) cell in a radio wave system. The apparatus for analyzing a distribution of electromagnetic waves in a radio wave system includes: an input unit configured to apply a reference electrostatic potential to an inside of a 4-port transverse electromagnetic (TEM) cell in which electronic devices are located; a calculation unit configured to calculate electrostatic potentials inside the 4-port TEM cell using a mode matching scheme; an analysis unit configured to analyze the distribution of electromagnetic waves inside the 4-port TEM cell through the electrostatic potentials inside the 4-port TEM cell; and an output unit configured to output the distribution of electromagnetic waves inside the 4-port TEM cell.Type: GrantFiled: December 26, 2012Date of Patent: June 28, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Woong Choi, Hyo Joon Eom, Sang Bong Jeon, Seung Keun Park, Jun Cheol Park
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Patent number: 8816304Abstract: A standard EM wave field generator, includes a first tapered region configured to have a first port formed on its one side and be supplied with a source to generate EM field through the first port; and a first untapered region configured to have at least one or more slits in the form of a hole. Further, the standard EM wave field generator includes a second tapered region configured to have a third port formed on its one side and output the EM field generated from the first port through the third port.Type: GrantFiled: July 23, 2013Date of Patent: August 26, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Woong Choi, Seung Keun Park
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Publication number: 20120140841Abstract: Provided is a broadcast controlling apparatus and method for changing a TX frequency in digital broadcasting. The broadcast controlling apparatus includes a broadcast controlling unit and a first broadcast signal transmitting unit. The broadcast controlling unit is configured to divide a data rate of an RF channel, while changing a TX frequency of a second RF channel, and allocate a first program provided through the RF channel and a second program provided through the second RF channel. The first broadcast signal transmitting unit is configured to process the first and second programs through the RF channel under the control of the broadcast controlling unit and digital-broadcast the resulting programs.Type: ApplicationFiled: July 1, 2011Publication date: June 7, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Sung-Woong CHOI
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Publication number: 20110194811Abstract: Provided are a fiber optic rotary joint, an antenna having the same, an antenna measurement system, and a wireless communication system. An antenna measurement system includes an electro-optic converting unit for converting an electric signal to an optical signal, a first optical fiber for transferring the converted optical signal from the electro-optic converting unit, a second optical fiber having a diameter larger than the first optical fiber and transferring the optical signal outputted from the first optical fiber, an align unit for aligning the first optical fiber with the second optical fiber, and an opto-electric converting unit for converting the optical signal outputted from the second optical fiber to the electric signal.Type: ApplicationFiled: July 16, 2009Publication date: August 11, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: In-Kui Cho, Sung-Woong Choi, Je-Hoon Yun