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公开(公告)号:US20190110068A1
公开(公告)日:2019-04-11
申请号:US16214805
申请日:2018-12-10
Applicant: Electronics and Telecommunications Research Institute , Industry-University Cooperation Foundation Korea Aerospace University
Inventor: Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Jae Gon KIM , Sang Yong LEE , Un Ki PARK
IPC: H04N19/56 , H04N19/593 , H04N19/513 , H04N19/70 , H04N19/13 , H04N19/52
Abstract: 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.
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22.
公开(公告)号:US20190096417A1
公开(公告)日:2019-03-28
申请号:US16199987
申请日:2018-11-26
Inventor: Yong Ju LEE , Tae Jin LEE , Jae-Hyoun YOO , Kyeongok KANG , Jin Woong KIM , Chieteuk AHN
IPC: G10L19/16 , H04L12/701 , H04N21/434 , H04H20/95 , G10L19/26 , H04N21/235 , H04N21/6547 , G10L19/008 , H04N21/81 , H04N7/52 , H04N21/439 , H04N21/435 , H04N21/2343 , H04N21/236
Abstract: The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic.To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet.
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23.
公开(公告)号:US20190037228A1
公开(公告)日:2019-01-31
申请号:US16134131
申请日:2018-09-18
Applicant: Electronics and Telecommunications Research Institute , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Jong Ho KIM , Hui Yong KIM , Se Yoon JEONG , Sung Chang LIM , Ha Hyun LEE , Jin Ho LEE , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN , Mun Churl KIM , Bum Shik LEE
Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
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公开(公告)号:US20190020899A1
公开(公告)日:2019-01-17
申请号:US16133303
申请日:2018-09-17
Inventor: Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sang Min KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/577
Abstract: 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.
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公开(公告)号:US20190020898A1
公开(公告)日:2019-01-17
申请号:US16133133
申请日:2018-09-17
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , University-Industry Cooperation Group of Kyung Hee University
Inventor: Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sang Min KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/577
Abstract: 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.
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公开(公告)号:US20180359478A1
公开(公告)日:2018-12-13
申请号:US16107208
申请日:2018-08-21
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor: Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/159 , H04N19/61 , H04N19/13 , H04N19/15 , H04N19/124 , H04N19/117 , H04N19/105 , H04N19/176 , H04N19/139 , H04N19/52 , H04N19/109
CPC classification number: H04N19/159 , H04N19/105 , H04N19/109 , H04N19/117 , H04N19/124 , H04N19/13 , H04N19/139 , H04N19/15 , H04N19/176 , H04N19/52 , H04N19/61
Abstract: An inter-prediction method according to the present invention comprises the steps of: deriving motion information of a current block; and generating a prediction block for the current block on the basis of the derived motion information. According to the present invention, computational complexity can be reduced and encoding efficiency can be improved.
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公开(公告)号:US20180352250A1
公开(公告)日:2018-12-06
申请号:US16057459
申请日:2018-08-07
Inventor: Jin Ho LEE , Hui Yong KIM , Se Yoon JEONG , Suk Hee CHO , Ha Hyun LEE , Jong Ho KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/593 , H04N19/82 , H04N19/44 , H04N19/157 , H04N19/117 , H04N19/176 , H04N19/105 , H04N19/136 , H04N19/147 , H04N19/182
CPC classification number: H04N19/593 , H04N19/105 , H04N19/117 , H04N19/136 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/82
Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
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28.
公开(公告)号:US20180341222A1
公开(公告)日:2018-11-29
申请号:US15987704
申请日:2018-05-23
Inventor: Jeho NAM , Jin Woong KIM
Abstract: An apparatus for measuring a spatial resolution of a hologram reconstructed image optically reconstructed on a space is provided. The apparatus for measuring a spatial resolution of a hologram reconstructed image includes: a measuring unit measuring first spatial frequency resolving powers for a horizontal direction of the hologram reconstructed image and second spatial frequency resolving powers for a vertical direction of the hologram reconstructed image at first spatial positions having a predetermined interval in horizontal and vertical directions within a viewing angle range of the hologram reconstructed image; and an evaluating unit evaluating the spatial resolution of the hologram reconstructed image using the first spatial frequency resolving powers and the second spatial frequency resolving powers measured at each of the first spatial positions.
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公开(公告)号:US20180332295A1
公开(公告)日:2018-11-15
申请号:US16040119
申请日:2018-07-19
Inventor: Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/436 , H04N19/30
Abstract: Disclosed are a method and an apparatus for video decoding that support a plurality of layers. The method for video decoding includes acquiring information indicating whether tile information exists and acquiring the tile information based on the information indicating whether tile information exists.
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公开(公告)号:US20180324429A1
公开(公告)日:2018-11-08
申请号:US16034481
申请日:2018-07-13
Inventor: Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/126 , H04N19/18 , H04N19/463
Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
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