Patents by Inventor Joungil Yun

Joungil Yun 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).

  • Publication number: 20200162714
    Abstract: A method and an apparatus for generating a virtual viewpoint image by obtaining at least one input viewpoint image and warping pixels of the at least one input viewpoint image to a virtual viewpoint image coordinate system; mapping a patch to a first pixel of a plurality of pixels warped to the virtual viewpoint image coordinate system when a difference between a first depth value of the first pixel and a second depth value of a second pixel adjacent to the first pixel is less than or equal to a predetermined threshold and mapping no patch to the first pixel when the difference is greater than the predetermined threshold; and generating the virtual viewpoint image by blending the plurality of pixels and/or the patch are provided.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 21, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sangwoon KWAK, Joungil YUN
  • Patent number: 10045162
    Abstract: A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, includes a streaming server, a streaming client, a multiplexer, and a transmitter. The streaming server generates media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles. The streaming client selects a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state, requests a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloads the same. The multiplexer multiplexes part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: August 7, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joungil Yun, Woo-Suk Kim, Byungjun Bae, Hyun-Jeong Yim, Hyoungsoo Lim, Namho Hur
  • Patent number: 9893918
    Abstract: A Faster-Than-Nyquist (FTN)-based transmitting apparatus segments an input data bit string into a plurality of partial bit strings, simultaneously channel-encodes each of the plurality of partial bit strings, simultaneously modulates each of the plurality of channel encoded bit strings to generate a plurality of modulation symbol sequences, and then pulse-shapes and transmits the plurality of modulation symbol sequences at a speed faster than a Nyquist rate.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: February 13, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joungil Yun, Sangwoon Kwak, Hyoungsoo Lim, Young Su Kim, Myung-Sun Baek, Yun Jeong Song, Namho Hur, Wangrok Oh, Donghoon Kang
  • Patent number: 9762286
    Abstract: Provided is an apparatus for transmitting a signal based on a non-uniform inter-symbol interference (ISI) pattern, the apparatus that may transmit an output signal generated by modulating an input signal based on a parameter sequence to be used to control an interference pattern and a position of a transmission signal for each symbol using a faster than Nyquist (FTN) scheme.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 12, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung-Sun Baek, Hyoungsoo Lim, Sang-Woon Kwak, Young-Su Kim, Yun-Jeong Song, Kyu-Tae Yang, Joungil Yun, Bongho Lee, Jong-Suk Chae, Nam-Ho Hur
  • Patent number: 9749379
    Abstract: A receiving terminal in a hybrid network receives a video stream through a broadcasting network. The receiving terminal receives a high speed video stream streamed at a high speed for a defined first period from a first time when switching from the broadcasting network to a communication network depending on a receiving state of the broadcasting network is determined, receives a live video stream streamed in a live form from any one time of the first period, and generates a continuous video stream using the video stream received through the broadcasting network, the high speed video stream, and the live video stream.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: August 29, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joungil Yun, Byungjun Bae, Kyu Tae Yang, Yun Jeong Song, Hun Hee Lee, Hyoungsoo Lim, Namho Hur
  • Publication number: 20170099173
    Abstract: A Faster-Than-Nyquist (FTN)-based transmitting apparatus segments an input data bit string into a plurality of partial bit strings, simultaneously channel-encodes each of the plurality of partial bit strings, simultaneously modulates each of the plurality of channel encoded bit strings to generate a plurality of modulation symbol sequences, and then pulse-shapes and transmits the plurality of modulation symbol sequences at a speed faster than a Nyquist rate.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 6, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joungil YUN, Sangwoon KWAK, Hyoungsoo LIM, Young Su KIM, Myung-Sun BAEK, Yun Jeong SONG, Namho HUR, Wangrok OH, Donghoon KANG
  • Publication number: 20160302214
    Abstract: A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, includes a streaming server, a streaming client, a multiplexer, and a transmitter. The streaming server generates media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles. The streaming client selects a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state, requests a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloads the same. The multiplexer multiplexes part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame.
    Type: Application
    Filed: January 15, 2016
    Publication date: October 13, 2016
    Inventors: Joungil YUN, Woo-Suk KIM, Byungjun BAE, Hyun-Jeong YIM, Hyoungsoo LIM, Namho HUR
  • Patent number: 9444670
    Abstract: A signal transmitting and receiving method and an apparatus for selecting an interference pattern from a security key and transmitting and receiving a signal based on the selected interference pattern are provided.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: September 13, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Hyoungsoo Lim, Hun Hee Lee, Joungil Yun, Kyu Tae Yang, Young Su Kim, Yun Jeong Song, Namho Hur
  • Patent number: 9413582
    Abstract: A transmitting apparatus generates a modulation pattern code corresponding to an input security key and modulates and transmits the bit stream with a corresponding modulation method for a duration of a corresponding modulation method while changing a modulation method according to the generated modulation pattern code.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: August 9, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Hyoungsoo Lim, Hun Hee Lee, Joungil Yun, Kyu Tae Yang, Young Su Kim, Yun Jeong Song, Namho Hur
  • Publication number: 20160218908
    Abstract: Provided is an apparatus for transmitting a signal based on a non-uniform inter-symbol interference (ISI) pattern, the apparatus that may transmit an output signal generated by modulating an input signal based on a parameter sequence to be used to control an interference pattern and a position of a transmission signal for each symbol using a faster than Nyquist (FTN) scheme.
    Type: Application
    Filed: January 27, 2016
    Publication date: July 28, 2016
    Inventors: Myung-Sun BAEK, Hyoungsoo LIM, Sang-Woon KWAK, Young-Su KIM, Yun-Jeong SONG, Kyu-Tae YANG, Joungil YUN, Bongho LEE, Jong-Suk CHAE, Nam-Ho HUR
  • Publication number: 20160105727
    Abstract: Disclosed is a method and device for providing a broadcasting service, including: acquiring signaling information from a broadcasting signal received from a broadcasting network; acquiring information on a hybrid broadcasting service based upon the signaling information; and determining whether a component to be received through a communication network exists based upon information on the hybrid broadcasting service.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 14, 2016
    Inventors: Hyun-Jeong YIM, Byungjun BAE, Woo-Suk KIM, Joungil YUN, Hyoungsoo LIM, Namho HUR
  • Publication number: 20150280957
    Abstract: A transmitting apparatus generates a modulation pattern code corresponding to an input security key and modulates and transmits the bit stream with a corresponding modulation method for a duration of a corresponding modulation method while changing a modulation method according to the generated modulation pattern code.
    Type: Application
    Filed: March 10, 2015
    Publication date: October 1, 2015
    Inventors: Hyoungsoo LIM, Hun Hee LEE, Joungil YUN, Kyu Tae YANG, Young Su KIM, Yun Jeong SONG, Namho HUR
  • Patent number: 9077410
    Abstract: An apparatus of transmitting data in a multi-carrier system includes: a plurality of pulse-shaping filters for performing pulse shaping of incoming data symbols during a set pulse-shaping period; and a plurality of frequency converters convert signals that are pulse-shaped by the plurality of pulse-shaping filters into signals with frequency bands for a plurality of subcarriers.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 7, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yun Jeong Song, Hun Hee Lee, Young Su Kim, Joungil Yun, Byungjun Bae, HyoungSoo Lim, Namho Hur
  • Publication number: 20150139356
    Abstract: An apparatus of transmitting data in a multi-carrier system includes: a plurality of pulse-shaping filters for performing pulse shaping of incoming data symbols during a set pulse-shaping period; and a plurality of frequency converters convert signals that are pulse-shaped by the plurality of pulse-shaping filters into signals with frequency bands for a plurality of subcarriers.
    Type: Application
    Filed: June 12, 2014
    Publication date: May 21, 2015
    Inventors: Yun Jeong SONG, Hun Hee LEE, Young Su KIM, Joungil YUN, Byungjun BAE, HyoungSoo LIM, Namho HUR
  • Publication number: 20150120957
    Abstract: A receiving terminal in a hybrid network receives a video stream through a broadcasting network. The receiving terminal receives a high speed video stream streamed at a high speed for a defined first period from a first time when switching from the broadcasting network to a communication network depending on a receiving state of the broadcasting network is determined, receives a live video stream streamed in a live form from any one time of the first period, and generates a continuous video stream using the video stream received through the broadcasting network, the high speed video stream, and the live video stream.
    Type: Application
    Filed: October 29, 2014
    Publication date: April 30, 2015
    Inventors: Joungil Yun, Byungjun Bae, Kyu Tae Yang, Yun Jeong Song, Hun Hee Lee, Hyoungsoo Lim, Namho Hur
  • Publication number: 20150110219
    Abstract: A signal transmitting and receiving method and an apparatus for selecting an interference pattern from a security key and transmitting and receiving a signal based on the selected interference pattern are provided.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Hyoungsoo LIM, Hun Hee LEE, Joungil YUN, Kyu Tae YANG, Young Su KIM, Yun Jeong SONG, Namho HUR
  • Patent number: 8520495
    Abstract: A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 27, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byungjun Bae, Yun Jeong Song, Jong Soo Lim, Joungil Yun, Kwang-Yong Kim, Kyu Tae Yang, Soo In Lee
  • Patent number: 8422564
    Abstract: A method and apparatus for processing enhanced media data in a Digital Multimedia Broadcasting (DMB) system is provided. The apparatus for processing enhanced media data includes: a base layer processing unit configured to multiplex an elementary stream of a base layer and perform channel encoding for the multiplexed elementary stream of the base layer; an enhancement layer processing unit configured to synchronize an elementary stream of an enhancement layer with the elementary stream of the base layer and thereby multiplex the elementary stream of the enhancement layer and process the elementary stream of the enhancement layer to be transmittable via at least one of a plurality of transmission channels; and a synchronizer configured to provide the enhancement layer processing unit with synchronization information that is used for synchronizing the elementary stream of the enhancement layer with the elementary stream of the base layer.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: April 16, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Yong Kim, Gwang Soon Lee, Joungil Yun, Seomee Choi, Jong Soo Lim, Soo In Lee
  • Publication number: 20110194030
    Abstract: A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.
    Type: Application
    Filed: January 27, 2011
    Publication date: August 11, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byungjun BAE, Yun Jeong SONG, Jong Soo LIM, Joungil YUN, Kwang-Yong KIM, Kyu Tae YANG, Soo In LEE
  • Publication number: 20100266052
    Abstract: A method and apparatus for processing enhanced media data in a Digital Multimedia Broadcasting (DMB) system is provided. The apparatus for processing enhanced media data includes: a base layer processing unit configured to multiplex an elementary stream of a base layer and perform channel encoding for the multiplexed elementary stream of the base layer; an enhancement layer processing unit configured to synchronize an elementary stream of an enhancement layer with the elementary stream of the base layer and thereby multiplex the elementary stream of the enhancement layer and process the elementary stream of the enhancement layer to be transmittable via at least one of a plurality of transmission channels; and a synchronizer configured to provide the enhancement layer processing unit with synchronization information that is used for synchronizing the elementary stream of the enhancement layer with the elementary stream of the base layer.
    Type: Application
    Filed: October 7, 2008
    Publication date: October 21, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Yong Kim, Gwang Soon Lee, Joungil Yun, Seomee Choi, Jong Soo Lim, Soo In Lee