Patents Assigned to Industry-Academia Cooperation Group of Sejong University
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Publication number: 20200091504Abstract: Disclosed is a zinc ion secondary battery. More particularly, the zinc ion secondary battery includes a first electrode; a second electrode; and an electrolyte disposed between the first electrode and the second electrode, wherein an active material included in the first electrode is an alkali metal-vanadium oxide/graphene oxide composite, wherein the alkali metal-vanadium oxide has a layered structure in which alkali metal layers and vanadium oxide layers are alternately laminated. Accordingly, a zinc ion battery system including the K2V3O8/a graphene oxide composite as an electrode active material can exhibit excellent rechargeability and have a high discharge capacity and an excellent capacity retention rate.Type: ApplicationFiled: December 17, 2018Publication date: March 19, 2020Applicant: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Seung Taek MYUNG, Jae Hyeon JO, Hee Jae KIM
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Patent number: 10499064Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.Type: GrantFiled: October 16, 2017Date of Patent: December 3, 2019Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong UniversityInventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
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Patent number: 10497700Abstract: An anti-fuse for a semiconductor device includes an electrode; a gate metal formed to extend from the electrode; a gate oxide layer formed under the gate metal; a semiconductor layer formed under the gate oxide layer to overlap with a center portion of the gate metal; and a first oxide layer formed under the gate metal and the gate oxide layer and on both sides of the semiconductor layer.Type: GrantFiled: February 14, 2018Date of Patent: December 3, 2019Assignees: SK hynix Inc., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Deok-kee Kim, Honggyun Kim, Jae Hong Kim, Seo Woo Nam
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Publication number: 20190297331Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.Type: ApplicationFiled: June 12, 2019Publication date: September 26, 2019Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong UniversityInventors: Se-Yoon JEONG, Hae-Chul CHOI, Jeong-Il SEO, Seung-Kwon BEACK, In-Seon JANG, Jae-Gon KIM, Kyung-Ae MOON, Dae-Young JANG, Jin-Woo HONG, Jin-Woong KIM, Yung-Lyul LEE, Dong-Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Dae-Yeon KIM, Dong-Kyun KIM
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Publication number: 20190281290Abstract: 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: March 12, 2019Publication date: September 12, 2019Applicants: 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: 20190268594Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus, and more particularly, a method and apparatus for performing filtering in video encoding and decoding. An encoding apparatus may perform filtering on a target, and may generate filtering information indicating whether filtering has been performed on the target. Further, the encoding apparatus may generate a bitstream including filtering information. A decoding apparatus may determine, based on filtering information, whether to perform filtering on a target, and may perform filtering on the target. The decoding apparatus may receive filtering information from the encoding apparatus through a bitstream or may derive filtering information using additional information.Type: ApplicationFiled: November 28, 2017Publication date: August 29, 2019Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Sung-Chang LIM, Jung-Won KANG, Hyunsuk KO, Jin-Ho LEE, Ha-Hyun LEE, Dong-San JUN, Seung-Hyun CHO, Hui-Yong KIM, Yung-Lyul LEE, Jun-Woo CHOI, Jin-Soo CHOI, Nam-Uk KIM, Myung-Jun KIM
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Publication number: 20190207213Abstract: A sodium-based electrode active material and a secondary battery comprising the same are provided. The electrode active material is represented by the following Chemical Formula 1, and has an orthorhombic crystal system and a space group of Cmcm. [Chemical Formula 1] Nax[Mn1-y-zM1yM2z]O2-?A?. In Chemical Formula 1, x may be 0.5 to 0.8. M1 and M2 may be, regardless of each other, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nd, Mo, Tc, Ru, Rh, Pd, Pb, Ag, Cd, Al, Ga, In, Sn, or Bi. y may be from 0 to 0.25. z may be from 0 to 0.25. A may be N, O, F, or S, and a may be 0 to 0.1.Type: ApplicationFiled: April 12, 2017Publication date: July 4, 2019Applicant: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Seungtaek MYUNG, Jiung CHOI, Changheum JO
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Patent number: 10050261Abstract: Provided are a cathode material for a lithium secondary battery, and a lithium secondary battery containing the same. The cathode material for a lithium secondary battery comprises: a cathode active material, which is a lithium-transition metal oxide, and a lithium phosphate layer coated on a surface of the cathode active material.Type: GrantFiled: August 8, 2014Date of Patent: August 14, 2018Assignee: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Seungtaek Myung, Changheum Jo
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Publication number: 20180041763Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.Type: ApplicationFiled: October 16, 2017Publication date: February 8, 2018Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong UniversityInventors: Se-Yoon JEONG, Hae-Chul CHOI, Jeong-Il SEO, Seung-Kwon BEACK, In-Seon JANG, Jae-Gon KIM, Kyung-Ae MOON, Dae-Young JANG, Jin-Woo HONG, Jin-Woong KIM, Yung-Lyul LEE, Dong-Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Dae-Yeon KIM, Dong-Kyun KIM
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Publication number: 20170347691Abstract: A method for preparing a Smilax china L. root extract having an increased active ingredient content, and a beverage composition for detoxification including the same are provided. The method for preparing a Smilax china L. root extract includes preparing a powder of a Smilax china L. root, obtaining an ethanol extract of Smilax china L. root from the powder of Smilax china L. root using ethanol, and concentrating the ethanol extract of Smilax china L. root under a reduced vacuum to obtain a concentrate having a reduced ethanol content.Type: ApplicationFiled: July 11, 2017Publication date: December 7, 2017Applicant: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Soon Mi SHIM, Tae Sik PARK, Jae Hwan CHUNG, Kyung Moo KIM, So Ra YOON, Ui Jeong YANG, Yu Ra SON, Joo Won SUH, Seung Hwan YANG
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Patent number: 9737259Abstract: A system and method for providing an image capable of realizing conversion of a 3D tissue structure into which an implant is inserted into a 2D image using a contour technique are provided.Type: GrantFiled: March 27, 2013Date of Patent: August 22, 2017Assignees: Industry-Academic Cooperation Foundation, Yonsei University, Industry-Academia Cooperation Group of Sejong UniversityInventors: Myeong Ki Hong, Byeong Keuk Kim, Jin Yong Ha
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Patent number: 9736484Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.Type: GrantFiled: August 11, 2015Date of Patent: August 15, 2017Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute For Industry Cooperation, Industry-Academia Cooperation Group of Sejong UniversityInventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
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Patent number: 9563098Abstract: A method of and device for controlling a reflective color of a photonic crystal display device, capable of precisely controlling the distance between particles to display RGB full colors covering desired wavelength ranges. The method and device include using a mixed dispersion medium containing two or more kinds of solvents having different dielectric constants as a dispersion medium for a photonic crystal in a composition for a photonic crystal display device of which colors are controlled through the application of an electric field.Type: GrantFiled: July 17, 2014Date of Patent: February 7, 2017Assignees: Samsung Electronics Co., Ltd, Industry-Academia Cooperation Group of Sejong UniversityInventors: Kyunghoon Cha, Wonmok Lee, Jongin Lee, Sungkoo Han, Kyeonghyeon Ko
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Patent number: 9515825Abstract: Provided are an authentication method and an apparatus for the method. An authentication method includes generating, at a terminal, an identifier (ID)-based secret key using an ID of a user of the terminal and key generation factors exchanged with a server, encrypting, at the terminal, a password of the user using a symmetric key encryption algorithm taking the generated secret key as a symmetric key, and requesting authentication for the terminal user by transmitting the encrypted password to the server, and receiving, at the terminal, a response to the authentication request from the server.Type: GrantFiled: October 30, 2013Date of Patent: December 6, 2016Assignees: SAMSUNG SDS CO., LTD., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Hyo-Jin Yoon, Tae-Kyoung Kwon
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Publication number: 20160330472Abstract: Disclosed is a technique related to a method for a motion vector prediction and a residual prediction for a multi-view video and an apparatus for performing the method. A method for decoding a motion vector for a multi-view video comprises the steps of: determining a motion prediction method performed on a current block which is an object to be decoded and a corresponding block corresponding to the current block; and generating a motion vector prediction value of the current block using a motion vector of the corresponding block on the basis of the determined motion prediction method. Thus, a temporal motion vector can be adaptively predicted according to a motion vector prediction method of the current block and the corresponding block.Type: ApplicationFiled: July 1, 2016Publication date: November 10, 2016Applicant: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Jong Ki HAN, Jae Yung LEE
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Patent number: 9485523Abstract: Provided are a method and apparatus for entropy-encoding/entropy-decoding video data. The method of entropy-encoding video data includes binarizing coefficients of the frequency domain, which are generated by transforming a residual block of a current block into the frequency domain, using different binarization methods and performing binary arithmetic coding on the binarized coefficients. In this way, the coefficients are binarized adaptively according to whether the frequencies of the coefficients are high or low, thereby improving the compression efficiency of the video data.Type: GrantFiled: May 23, 2016Date of Patent: November 1, 2016Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Yung-Lyul Lee, Dae-Yeon Kim
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Publication number: 20160269754Abstract: Provided are a method and apparatus for entropy-encoding/entropy-decoding video data. The method of entropy-encoding video data includes binarizing coefficients of the frequency domain, which are generated by transforming a residual block of a current block into the frequency domain, using different binarization methods and performing binary arithmetic coding on the binarized coefficients. In this way, the coefficients are binarized adaptively according to whether the frequencies of the coefficients are high or low, thereby improving the compression efficiency of the video data.Type: ApplicationFiled: May 23, 2016Publication date: September 15, 2016Applicants: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Yung-Lyul LEE, Dae-Yeon KIM
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Patent number: 9374602Abstract: Provided are a method and apparatus for entropy-encoding/entropy-decoding video data. The method of entropy-encoding video data includes binarizing coefficients of the frequency domain, which are generated by transforming a residual block of a current block into the frequency domain, using different binarization methods and performing binary arithmetic coding on the binarized coefficients. In this way, the coefficients are binarized adaptively according to whether the frequencies of the coefficients are high or low, thereby improving the compression efficiency of the video data.Type: GrantFiled: April 24, 2008Date of Patent: June 21, 2016Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Yung-Lyul Lee, Dae-yeon Kim
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Patent number: 9365590Abstract: The present disclosure relates to a method for more easily and economically producing a selenophene-fused aromatic compound derivative containing various substituents and the selenophene-fused aromatic compound produced according to the method, and the selenophene-fused aromatic compound can be used for various purposes such as an intermediate of an anti-bacterial or anticancer substance, an indicator of which color is changed depending on a solvent, or a fluorescent substance.Type: GrantFiled: March 28, 2014Date of Patent: June 14, 2016Assignees: Industry-Academia Cooperation Group of Sejong University, Samsung Life Public Welfare FoundationInventors: Dongyeol Lim, Do-Hyun Nam, Rashmi Dubey, Hangeun Lee
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Patent number: 9280656Abstract: A security channel interface providing device is provided. The device includes a sensor unit that comprises at least two sensors configured to sense a motion of a user, and a control unit that determines whether or not at least two sensing values sensed by the sensors satisfy a security channel interface activation condition, and activates or inactivates a security channel interface according to a result of the determination. When the security channel interface is activated, the control unit provides a security channel to the user.Type: GrantFiled: November 18, 2013Date of Patent: March 8, 2016Assignees: UNIVERSITY-INDUSTRY FOUNDATION, YONSEI UNIVERSITY, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITYInventors: Taekyoung Kwon, Sarang Na