Patents by Inventor Won-Sik Cheong

Won-Sik Cheong 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: 20140165125
    Abstract: A broadcasting transmitting apparatus of providing a multi-picture may include a multi-picture generator configured to divide an acquired video into a first video and a second video; a first video encoder configured to encode the first video; a second video encoder configured to encode the second video; a multiplexer configured to multiplex the first and second videos to a single stream video; and a transmitter configured to modulate the multiplexed single stream video to transmit the modulated single stream video to a receiving apparatus through a broadcasting network.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gwang Soon LEE, Hyun LEE, Won Sik CHEONG, Nam Ho HUR
  • Patent number: 8750505
    Abstract: Provided are an apparatus and method for controlling program conversion according to program protection information. The method for controlling conversion of a broadcasting program includes: demultiplexing a broadcasting program into broadcasting program data and program protection information; encrypting the broadcasting program data based on distribution condition of the program protection information when recordation of the broadcasting program data is requested; and recording the encrypted broadcasting program data.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: June 10, 2014
    Assignees: Electronics and Telecommunications Research Institute, Korean Broadcasting System, Munhwa Broadcasting Corporation, Seoul Broadcasting System Co., Ltd., Korea Educational Broadcasting System
    Inventors: Hyon-Gon Choo, Jeho Nam, Sangwoo Ahn, Jooyoung Lee, Moon-Kyun Oh, Jin-Woo Hong, Won-Sik Cheong, Sang-Kwon Shin, Keunsik Lee, Byung-Sun Kim, Hee-Young Jun, Sang-Gyou Lee, Sang-Jin Kim, Sung-Jun Ahn, Sung-Hwan Park, Jooho Song
  • Publication number: 20140132743
    Abstract: Provided are an image magnification apparatus and method for three-dimensional display images. A multi-view image magnification apparatus includes: a region designation detection unit for detecting detection regions corresponding to the magnification regions of three-dimensional display images from original view images; a magnification ratio determination unit for determining the magnification ratios of the magnification regions; and a partial multiplexing unit for multiplexing non-detection regions except for the detection regions of the original view images according to a predetermined resolution and multiplexing the detection regions according the resolution which is different from the resolution of the non-detection regions on the basis of the magnification ratios. The present invention can magnify the images without lowering the resolution in a three-dimensional display.
    Type: Application
    Filed: July 2, 2012
    Publication date: May 15, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hong Chang Shin, Gun Bang, Gi Mun Um, Tae One Kim, Eun Young Chang, Won Sik Cheong, Nam Ho Hur
  • Publication number: 20140112395
    Abstract: Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (T-STD) stipulated in the first video encoder and a buffer size of a second T-STD stipulated in the second video encoder.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 24, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gwang Soon LEE, Kug Jin YUN, Jin Young LEE, Hyun Jeong YIM, Eung Don LEE, Won Sik CHEONG, Nam Ho HUR
  • Patent number: 8699570
    Abstract: An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: April 15, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Se Yoon Jeong, Jin Soo Choi, Donghyung Kim, Won-Sik Cheong, Kyung Ae Moon, Jin Woo Hong
  • Patent number: 8665958
    Abstract: A video encoding method and apparatus are provided. The video encoding method includes determining whether a current block includes an affine-transformation object having an affine transformation; if the current block includes an affine-transformation object, generating a prediction block by performing affine transformation-based motion compensation on the current block in consideration of an affine transformation of the affine-transformation object; and if the current block does not include any affine-transformation object, generating a prediction block by performing motion vector-based motion compensation on the current block using a motion vector of the current block. Therefore, it is possible to achieve high video encoding/decoding efficiency even when a block to be encoded or decoded includes an affine transformation.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: March 4, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong Hyung Kim, Se Yoon Jeong, Jin Soo Choi, Won Sik Cheong, Kyung Ae Moon, Jin Woo Hong
  • Patent number: 8630413
    Abstract: A terminal for reproducing a digital content in support of transmitting/receiving the digital content to/from another terminal based on whether a terminal is registered in a domain and whether a terminal belongs to a person use scope such that the terminal belonging to the person use scope is not registered in the domain.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: January 14, 2014
    Assignees: Electronics and Telecommunications Research Institute, Digicaps Co., Ltd.
    Inventors: Jooyoung Lee, Hyon-Gon Choo, Jeho Nam, Moon-Kyun Oh, Sang-Kwon Shin, Won-Sik Cheong, Sangwoo Ahn, Jin-Woo Hong, Byoung-Soo Koh
  • Publication number: 20140003518
    Abstract: Disclosed are an image encoding method using a skip mode and a device using the method. The image encoding method may comprise the steps of: judging whether there is residual block data of a prediction target block on the basis of predetermined data indicating whether residual block data has been encoded; and, if there is residual block data, restoring the prediction target block on the basis of the residual block data and an intra-screen predictive value of the prediction target block. Consequently, encoding and decoding efficiency can be increased by carrying out the encoding and decoding of screen residual data only for prediction target blocks where there is a need for a residual data block in accordance with screen similarity.
    Type: Application
    Filed: April 12, 2012
    Publication date: January 2, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gun Bang, Won Sik Cheong, Gi Mun Um, Nam Ho Hur, Gwang Hoon Park, Kyung Yong Kim
  • Publication number: 20140002602
    Abstract: Provided are a method and apparatus of synchronizing a reference picture and an additional picture of a real-time broadcasting program.
    Type: Application
    Filed: March 9, 2012
    Publication date: January 2, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang hee Jung, Hyun Jeong Yim, Kug Jin Yun, Gwang Soon Lee, Hyoung Jin Kwon, Won Sik Cheong, Nam Ho Hur
  • Publication number: 20130342649
    Abstract: Disclosed are an apparatus and a method for transmitting a broadcasting service capable of signaling non-real-time 3D broadcasting content. An apparatus for transmitting a broadcasting service includes: a non-real-time (NRT) content encoder encoding stereoscopic image content including a reference image and an additional image to generate an NRT stream; an NRT signaling information encoder generating NRT signaling information including at least one of a service map table (SMT) and a non-real-time-information table (NRT-IT) that correspond to the content; and a multiplexer multiplexing the NRT stream and the NRT signaling information and transmitting the multiplexed NRT stream and NRT signaling information to a receiving apparatus. Therefore, content can be provided even when the reference image and the additional image are encoded into the single file format in the dual stream type.
    Type: Application
    Filed: March 9, 2012
    Publication date: December 26, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Jeong Yim, Kwang hee Jung, Hyoung Jin Kwon, Gwang Soon Lee, Kug Jin Yun, Won Sik Cheong, Nam Ho Hur
  • Publication number: 20130346566
    Abstract: Provided are an apparatus and method of transmitting and receiving associated broadcasting contents based on a heterogeneous network. The transmission system generates a basic contents stream for basic contents configuring the broadcasting contents to transmit the basic contents stream to a terminal through a broadcasting network, generates an additional contents stream for additional contents associated with the basic contents to transmit the additional contents stream to the terminal through a communication network, and further transmits at least one of associated playing information on the basic contents and associated playing information on the additional contents to the terminal, and the reception terminal receives the basic contents stream, the additional contents stream, and the associated playing information and synchronize the basic contents and the additional contents with each other to play them, thereby playing the broadcasting contents in real time.
    Type: Application
    Filed: March 22, 2012
    Publication date: December 26, 2013
    Applicant: Electronics and Telecommunications Research Instit
    Inventors: Hyoung Jin Kwon, Kug Jin Yun, Gwang Soon Lee, Won Sik Cheong, Nam Ho Hur
  • Publication number: 20130300826
    Abstract: A method of synchronizing reference image with additional image in digital broadcasting includes generating at least one frame having predetermined identifier for providing notice of the start time of the reference image to receiver in advance; and transmitting at least one frame having the predetermined identifier to the receiver. Alternatively, the method of synchronizing reference image with additional image of includes generating signaling information containing additional image interlocking information at a transmission side in order to prepare for the additional image interlocked with the reference image at a reception side in advance; and providing the signaling information to the receiver. Therefore, it is possible to accurately and effectively perform the synchronization of 3D reference image with 3D additional image stored in the receiver or a streamed 3D additional image.
    Type: Application
    Filed: January 26, 2012
    Publication date: November 14, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kug Jin Yun, Gwang Soon Lee, Hyoung Jin Kwon, Hyun Jeong Yim, Kwang Hee Jung, Won Sik Cheong, Nam Ho Hur
  • Publication number: 20130271657
    Abstract: A receiving apparatus includes a first receiving unit that receives signaling information and a first signal comprising reference data through a radio frequency broadcast network; a control unit that detects a plurality of additional data source information from the signaling information; a second receiving unit that accesses an internet protocol communication network, and receives a second signal comprising additional data from a source apparatus corresponding to each of the plurality of additional data source information; a storage unit that stores the reference data contained in the first signal and the additional data contained in the second signal; and an output unit that processes, synchronizes and outputs each of the reference data and additional data.
    Type: Application
    Filed: April 15, 2013
    Publication date: October 17, 2013
    Applicants: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd.
    Inventors: Hong-seok PARK, Kug-jin YUN, Jae-jun LEE, Jin-young LEE, Hyun-jeong YIM, Yong-seok JANG, Won-sik CHEONG, Yu-sung JOO, Nam-ho HUR, Sung-oh HWANG, Hyoung-jin KWON, Hee-jean KIM, Gwang-soon LEE, Seong-sin JOO
  • Publication number: 20130271568
    Abstract: A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a RF communication network; a second receiving unit that can be connected to an IP network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the IP communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicants: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd.
    Inventors: Hong-seok PARK, Hyun-jeong YIM, Hyoung-jin KWON, Hee-jean KIM, Kug-jin YUN, Gwang-soon LEE, Jae-jun LEE, Jin-young LEE, Yong-seok JANG, Won-sik CHEONG, Seong-sin JOO, Yu-sung JOO, Nam-ho HUR, Sung-oh HWANG
  • Publication number: 20130276046
    Abstract: A receiving apparatus is provided. The receiving apparatus includes a first receiver which receives a first signal through a radio frequency (RF) broadcast network, a second receiver which receives a second signal through an internet protocol (IP) communication network, and a signal processor which detects pair type information from at least one of the first signal and the second signal, selects pair information, corresponding to the pair type information, from among the pair information included in the at least one of the first signal and the second signal, and synchronizes the first signal and the second signal with each other according to the selected pair information. Accordingly, different signals are synchronized and output.
    Type: Application
    Filed: April 11, 2013
    Publication date: October 17, 2013
    Applicants: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd.
    Inventors: Hong-seok PARK, Kug-jin YUN, Jae-jun LEE, Jin-young LEE, Hyun-jeong YIM, Yong-seok JANG, Won-sik CHEONG, Yu-sung JOO, Nam-ho HUR, Sung-oh HWANG
  • Publication number: 20130250051
    Abstract: Disclosed are a signaling method for a stereoscopic video service and an apparatus using the method. An image decoding method comprises: a step of determining a field value based on a broadcast service type and a display mode in decoding a program level descriptor; and a step of determining an encoded stream type, whether an elementary stream is a reference stream, whether the elementary stream is a left-eye image or a right-eye image, additional image upsampling information and information on a subsampled line. Thus, efficiency of encoding/decoding an additional image for a stereoscopic video content may increase.
    Type: Application
    Filed: December 12, 2011
    Publication date: September 26, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bong Ho Lee, Kug Jin Yun, Won Sik Cheong, Eung Don Lee, Se Yoon Jeong, Sang Woo Ahn, Young Kwon Lim, Nam Ho Hur, Soo In Lee, Jin Soo Choi, Jin Woong Kim
  • Publication number: 20130250059
    Abstract: Provided are a method and an apparatus for transmitting stereoscopic video information capable of providing a stereoscopic video service.
    Type: Application
    Filed: December 2, 2011
    Publication date: September 26, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bong Ho Lee, Won Sik Cheong, Kug Jin Yun, Eung Don Lee, Se Yoon Jeong, Nam Ho Hur, Jin Soo Choi, Soo In Lee, Jin Woong Kim
  • Patent number: 8495376
    Abstract: Disclosed is a broadcasting signal receiving apparatus for controlling use of a broadcasting program using a signature in program information and a method thereof. The broadcasting signal receiving apparatus includes a communicating unit for receiving a broadcasting signal, an extracting unit for extracting a broadcasting program and program information from the received broadcasting signal, and a determining unit configured to generate a temporal signature for confirmation (confirmation signature) which determines whether the program information is changed or not from the original program information and determine validity of the program information by comparing a signature included in the extracted program information with the confirmation signature.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: July 23, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyon-Gon Choo, Jeho Nam, Moon-Kyun Oh, Sangwoo Ahn, Sang-Kwon Shin, Jooyoung Lee, Won-Sik Cheong
  • Publication number: 20130182074
    Abstract: In accordance with an illustrative configuration, a device and a method are configured to receive video stream including a stream receiving unit, a demultiplexing unit, and a decoding unit. The stream receiving unit is configured to receive multiplexed stream of video stream and signaling information describing the video stream. The demultiplexing unit is configured to demultiplex the received stream to video stream and signaling information. The decoding unit is configured to decode the demultiplexed video stream by using the signaling information. The signaling information includes stream type information on the video stream providing stereoscopic service and service type information, which indicates whether the service type according to the video stream is 2D monoscopic service or 3D stereoscopic service.
    Type: Application
    Filed: October 13, 2011
    Publication date: July 18, 2013
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kug Jin Yun, Won Sik Cheong, Young Kwon Lim, Bong Ho Lee, Gwang Soon Lee, Nam Ho Hur, Soo In Lee, Kyu Heon Kim, Gwang Hoon Park, Doug Young Suh
  • Patent number: 8472477
    Abstract: Provided is a Simple Aggregation Format (SAF) synchronization packet structure including a SAF synchronization packet header and a SAF synchronization packet payload and multiplexing diverse element streams which include a scene description elementary stream. The SAF synchronization packet header includes time information related to an access unit included in the SAF synchronization packet payload, and the SAF synchronization packet payload includes header information on the access unit and payload information indicating the access unit. Since the present invention can multiplex diverse elementary streams effectively and simply into one data stream, synchronized data transmission is possible. Since the present invention accommodates a synchronization layer packet of the MPEG-4 system, it can be easily integrated with the MPEG-4 system and utilize the advantage of the MPEG-4 synchronization layer packet such as the concept of an access unit or a degradation priority.
    Type: Grant
    Filed: January 17, 2005
    Date of Patent: June 25, 2013
    Assignees: Electronics and Telecommunications Research Institute, Net & TV Inc.
    Inventors: Ye-Sun Joung, Won-Sik Cheong, Jihun Cha, Kyuheon Kim, Young-Kwon Lim