Patents Assigned to Kwangwoon University Industry-Academic Collaboration Foundation
  • Video coding method and apparatus
    Patent number: 11438591
    Abstract: The present invention relates to a method and apparatus for performing encoding and decoding using a variably-sized quantization coefficient group, in quantization coefficient group encoding and decoding of video compression technology.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: September 6, 2022
    Assignees: DIGITALINSIGHTS INC., KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Yongjo Ahn, Donggyu Sim, Hochan Ryu, Seanae Park, Woong Lim
  • Method for coding and decoding scalable video and apparatus using same
    Patent number: 11412240
    Abstract: The present invention relates to a method and an apparatus for interlayer prediction, and the method for interlayer prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied, wherein the reference layer information can be encoding information of a reference block, which corresponds to a current block of the enhancement layer, from the reference layer, and residual information.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: August 9, 2022
    Assignees: Electronics and Telecommunications Research Institute, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Ha Hyun Lee, Jung Won Kang, Jin Soo Choi, Jin Woong Kim, Dong Gyu Sim, Hyo Min Choi, Jung Hak Nam
  • APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME
    Publication number: 20220224896
    Abstract: 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: Application
    Filed: April 1, 2022
    Publication date: July 14, 2022
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee University
    Inventors: 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
  • IMAGE ENCODER AND DECODER USING UNIDIRECTIONAL PREDICTION
    Publication number: 20220159270
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Image encoder and decoder using unidirectional prediction
    Patent number: 11277622
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 15, 2022
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-lndustry Cooperation Group of Kyuno Hee University
    Inventors: Hae Chul Choi, Se Yoon Jeong, Sung-Chang Lim, Jin Soo Choi, Jin Woo Hong, Dong Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Gwang Hoon Park, Seung Ryong Kook, Sea-Nae Park, Kwang-Su Jeong
  • Method and apparatus for realtime object detection in unmanned aerial vehicle image
    Patent number: 11227374
    Abstract: According to the present disclosure, an apparatus for real-time object detection in an image captured by an unmanned aerial vehicle (UAV) including an image splitter configured to receive an input image and split the input image into a left image and a right image; and an object detector configured to detect an object from each of the left image and the right image provided from the image splitter is provided.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: January 18, 2022
    Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seong Kyun Han, Ji Sang Yoo, Soon Chul Kwon
  • ENCODING APPARATUS AND DECODING APPARATUS FOR TRANSFORMING BETWEEN MODIFIED DISCRETE COSINE TRANSFORM-BASED CODER AND DIFFERENT CODER
    Publication number: 20220005486
    Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 6, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Min Je KIM, Dae Young JANG, Kyeongok KANG, Jin Woo HONG, Ho Chong PARK, Young-cheol PARK
  • Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder
    Patent number: 11062718
    Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 13, 2021
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seung Kwon Beack, Tae Jin Lee, Min Je Kim, Dae Young Jang, Kyeongok Kang, Jin Woo Hong, Ho Chong Park, Young-cheol Park
  • Vector processing core shared by a plurality of scalar processing cores for scheduling and executing vector instructions
    Patent number: 11042502
    Abstract: An operation processing apparatus is provided. The operation processing apparatus includes a vector operator and cores. The vector operator processes a vector operation with respect to an instruction that uses the vector operation, and each core includes a scalar operator that processes a scalar operation with respect to an instruction that does not use the vector operation. The vector operator is shared by the cores.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: June 22, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Young-hwan Park, Hyunseok Lee, Yonggeun Hong, Suk-jin Kim
  • METHOD AND APPARATUS FOR REALTIME OBJECT DETECTION IN UNMANNED AERIAL VEHICLE IMAGE
    Publication number: 20210166367
    Abstract: According to the present disclosure, an apparatus for real-time object detection in an image captured by an unmanned aerial vehicle (UAV) including an image splitter configured to receive an input image and split the input image into a left image and a right image; and an object detector configured to detect an object from each of the left image and the right image provided from the image splitter is provided.
    Type: Application
    Filed: December 12, 2019
    Publication date: June 3, 2021
    Applicant: Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Seong Kyun HAN, Ji Sang YOO, Soon Chul KWON
  • METHOD AND APPARATUS FOR VR TRAINING
    Publication number: 20210158715
    Abstract: According to an exemplary embodiment of the present disclosure, a method for operating a virtual reality (VR) device which includes performing a VR training operation, acquiring information about an immersion level while performing the VR training operation, comparing the information about an immersion level with a predetermined threshold value, and performing a first operation for improving an immersion level of a user when the information about an immersion level is lower than the predetermined threshold value, and an apparatus for performing the same may be provided.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 27, 2021
    Applicant: Kwangwoon University Industry-Academic Collaboration Foundation
    Inventor: Hyun Kyung KIM
  • RF MICROCHIP FOR INDUCTION OF CANCER CELL MIGRATION FOR MICROWAVE THERMAL TREATMENT OR REMOVAL SURGERY
    Publication number: 20210153925
    Abstract: The present invention relates to a device for inducing migration of cancer cells for cancer treatment, comprising an RF absorber including an antenna for irradiating a frequency of a specific band to a living tissue including cancer cells; a method for inducing migration of cancel cells using the same; and a method for cancer treatment.
    Type: Application
    Filed: April 12, 2019
    Publication date: May 27, 2021
    Applicant: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Nam Young KIM, Eun Seong KIM
  • METHOD OF DEFENDING AGAINST MEMORY SHARING-BASED SIDE-CHANNEL ATTACKS BY EMBEDDING RANDOM VALUE IN BINARIES
    Publication number: 20210150028
    Abstract: A method of defending against memory sharing-based side-channel attacks comprises the steps of: acquiring a binary code of an original program; disassembling the binary code; finding an offset from a disassembled code; embedding a detour random value code including a detour instruction and a random value of a fixed or variable length at a location of a found offset; and outputting a rewritten program generated by embedding the detour random value code. Therefore, according to the present invention, it is possible to defend against the memory sharing-based side-channel attacks even with low overhead, and solve the problem of entropy shortage of the existing protection techniques such as KASLR, ASLR and the like.
    Type: Application
    Filed: June 17, 2020
    Publication date: May 20, 2021
    Applicant: Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Taehun KIM, Youngjoo SHIN
  • IMAGE ENCODER AND DECODER USING UNIDIRECTIONAL PREDICTION
    Publication number: 20210127121
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: January 5, 2021
    Publication date: April 29, 2021
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • METHOD AND APPARATUS FOR EMPLOYING DYNAMIC RANGE MAPPING INFORMATION FOR HDR IMAGE DECODER CONSIDERING BACKWARD COMPATIBILITY
    Publication number: 20210127142
    Abstract: The present invention enables efficient decoding by using DR mapping information between a base layer and an enhancement layer in various manners in an HDR decoder considering backward compatibility.
    Type: Application
    Filed: January 7, 2021
    Publication date: April 29, 2021
    Applicant: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Donggyu SIM, Seanae PARK, Yongjo AHN, Jonghyun MA, Jeongyun LIM
  • Method and an apparatus for processing a video signal based on inter-component reference
    Patent number: 10972727
    Abstract: A method and apparatus for processing a video signal according to the present invention derives a first prediction value of a chrominance block using a sample of a luminance block, calculates a compensation parameter based on a predetermined reference area, derives a second prediction value of a chrominance block, and reconstructs a chrominance block based on a second prediction value of a chrominance block.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: April 6, 2021
    Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Dong Gyu Sim, Sea Nae Park
  • Plasma diagnostic system and method
    Patent number: 10964515
    Abstract: The present invention relates to a plasma diagnosing system and method, and more particularly, to a system and a method for diagnosing plasma in real time using a change in a capacitance sensed by an electrode using a reference waveform having a frequency different from a plasma discharging frequency band region. The sensed capacitance varies before and after discharging plasma and the plasma is diagnosed using the change in capacitance in real time.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: March 30, 2021
    Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Gi Chung Kwon, Gi Won Shin, Hwan Hee Lee
  • Method and apparatus for backscatter communication of pattern-based demodulation
    Patent number: 10944539
    Abstract: A backscatter communication method and apparatus based on pattern-based demodulation is disclosed. The backscatter communication method includes receiving a communication signal, and demodulating the communication signal based on a slope of the communication signal at an edge of each time interval.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 9, 2021
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Jang Jeong, Jae-Han Lim, Hwanwoong Hwang, Ji-Hoon Yun
  • Image encoder and decoder using unidirectional prediction
    Patent number: 10917647
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: February 9, 2021
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul Choi, Se Yoon Jeong, Sung-Chang Lim, Jin Soo Choi, Jin Woo Hong, Dong Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Gwang Hoon Park, Seung Ryong Kook, Sea-Nae Park, Kwang-Su Jeong
  • METHOD OF ENCODING HIGH BAND OF AUDIO AND METHOD OF DECODING HIGH BAND OF AUDIO, AND ENCODER AND DECODER FOR PERFORMING THE METHODS
    Publication number: 20210005209
    Abstract: Disclosed are a method of encoding a high band of an audio, a method of decoding a high band of an audio, and an encoder and a decoder for performing the methods. The method of decoding a high band of an audio, the method performed by a decoder, includes identifying a parameter extracted through a first neural network, identifying side information extracted through a second neural network, and restoring a high band of an audio by applying the parameter and the side information to a third neural network.
    Type: Application
    Filed: March 10, 2020
    Publication date: January 7, 2021
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Seung Kwon BEACK, Jongmo SUNG, Mi Suk LEE, Tae Jin LEE, Hochong PARK