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公开(公告)号：US20170048529A1
公开(公告)日：2017-02-16
申请号：US15337309
申请日：2016-10-28
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 , H04N19/105 , H04N19/124 , H04N19/15 , H04N19/117 , H04N19/139 , H04N19/13
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：US20170041610A1
公开(公告)日：2017-02-09
申请号：US15297570
申请日：2016-10-19
Inventor： Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/126 , H04N19/176 , H04N19/129 , H04N19/44 , H04N19/18
CPC classification number: H04N19/126 , H04N19/129 , H04N19/176 , H04N19/18 , H04N19/44 , H04N19/463 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/96
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.
Abstract translation: 公开了一种用于对图像进行编码/解码的方法和装置。 解码图像的方法包括以下步骤：解码量化矩阵上的信息; 并且根据关于量化矩阵的信息来恢复量化矩阵，其中关于量化矩阵的信息包括指示量化矩阵的DC值的信息和/或指示量化矩阵系数的差分值的信息。
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公开(公告)号：US20160337643A1
公开(公告)日：2016-11-17
申请号：US15219487
申请日：2016-07-26
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University , Korea Advanced Institute of Science and Technology
Inventor： Sung-Chang LIM , Ha Hyun LEE , Hui Yong KIM , Se Yoon Jeong , Suk Hee CHO , Hae Chul CHOI , Jong Ho KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woo HONG , Dong Gyu SIM , Seoung Jun OH , Gwang Hoon PARK , Mun Churl KIM , Neung Joo HWANG , Sea Nae PARK
IPC: H04N19/122 , H04N19/159 , H04N19/13 , H04N19/14 , H04N19/176 , H04N19/124 , H04N19/44 , H04N19/18
CPC classification number: H04N19/122 , H04N19/107 , H04N19/11 , H04N19/119 , H04N19/12 , H04N19/124 , H04N19/13 , H04N19/139 , H04N19/14 , H04N19/159 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/44 , H04N19/50 , H04N19/52 , H04N19/55 , H04N19/593 , H04N19/60 , H04N19/615 , H04N19/625 , H04N19/91
Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.
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公开(公告)号：US20160255364A1
公开(公告)日：2016-09-01
申请号：US15151163
申请日：2016-05-10
Inventor： Hui Yong KIM , Jin Ho LEE , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/52 , H04N19/51 , H04N19/105 , H04N19/196 , H04N19/182
CPC classification number: H04N19/51 , H04N19/105 , H04N19/182 , H04N19/196 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/82
Abstract: A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a final correction value that is calculated by performing an arithmetic right shift by a binary digit 1 for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. Thus, the operational complexity during image encoding/decoding can be reduced.
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公开(公告)号：US20160198172A1
公开(公告)日：2016-07-07
申请号：US15069314
申请日：2016-03-14
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/44 , H04N19/136 , H04N19/80 , H04N19/176 , H04N19/593
CPC classification number: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/122 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/80 , H04N19/82 , H04N19/96
Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
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Patent Agency Ranking
公开(公告)号：US20160191915A1
公开(公告)日：2016-06-30
申请号：US15060051
申请日：2016-03-03
Inventor： Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Jae Gon KIM , Sang Yong LEE
IPC: H04N19/119 , H04N19/105 , H04N19/70 , H04N19/176 , H04N19/196 , H04N19/593 , H04N19/91 , H04N19/157
CPC classification number: H04N19/119 , H04N19/105 , H04N19/132 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/196 , H04N19/593 , H04N19/70 , H04N19/91
Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
Abstract translation: 本发明涉及视频编码/解码方法和装置，其中根据本发明的视频编码方法包括以下步骤：获取外围块的信息; 基于外围块的信息设置关于当前块的信息; 以及基于所设置的信息对当前块进行编码，其中当前块和外围块可以是CU（编码单元）。
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87.发明申请公开(公告)号：US20160150237A1
公开(公告)日：2016-05-26
申请号：US14952823
申请日：2015-11-25
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
Inventor： Sung-Hoon KIM , Jooyoung LEE , Se Yoon JEONG , Hui Yong KIM , Jin Soo CHOI , Dong Wook KANG , Jinsuk KWAK , Minsuk LEE , Kyeong Hoon JUNG , Suk Jin HONG
IPC: H04N19/30 , H04N13/00 , H04N19/187
CPC classification number: H04N19/30 , H04N13/161 , H04N13/194 , H04N19/187 , H04N19/597
Abstract: An apparatus for transmitting 3DTV broadcasting encodes a base video using scalable video coding (SVC) or scalable high efficiency video coding (SHVC) scheme to generate a base layer stream and an enhancement layer stream of the base video, encodes each of an additional video and video enhancement information data for enhancing video quality of the additional video, transmits the base layer stream and the enhancement layer stream of the base video through a base layer channel and an enhancement layer channel, respectively, and transmits the encoded additional video and the encoded video enhancement information data through the base layer channel or the enhancement layer channel.
Abstract translation: 用于发送3DTV广播的装置使用可伸缩视频编码（SVC）或可缩放的高效率视频编码（SHVC）方案对基本视频进行编码，以生成基本视频的基本层流和增强层流，对附加视频和 用于增强附加视频的视频质量的视频增强信息数据分别通过基本层信道和增强层信道发送基本视频流和基础视频的增强层流，并且发送编码的附加视频和编码视频 增强信息数据通过基层信道或增强层信道。
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88.发明申请METHOD FOR ENCODING AND DECODING QUANTIZED MATRIX AND APPARATUS USING SAME 有权用于编码和解码定量矩阵的方法和使用该方法的装置公开(公告)号：US20150334396A1
公开(公告)日：2015-11-19
申请号：US14373270
申请日：2013-01-21
Inventor： Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/126 , H04N19/61 , H04N19/196 , H04N19/159 , H04N19/176
CPC classification number: H04N19/126 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/198 , H04N19/463 , H04N19/50 , H04N19/61 , H04N19/70
Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
Abstract translation: 本发明涉及一种用于对量化矩阵进行编码和解码的方法及其使用方法，根据本发明的用于编码量化矩阵的方法包括以下步骤：确定用于量化和量化的量化矩阵; 确定用于量化矩阵的量化的预测方法; 以及基于所确定的预测方法编码量化矩阵信息，其中所述预测方法可以是量化矩阵中的系数之间的预测方法或量化矩阵的副本。
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公开(公告)号：US20150117521A1
公开(公告)日：2015-04-30
申请号：US14525626
申请日：2014-10-28
Inventor： Sung Chang LIM , Se Yoon JEONG , Jong Ho KIM , Hui Yong KIM , Dae Yeol LEE , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/186 , H04N19/61 , H04N19/176 , H04N19/50 , H04N19/124
CPC classification number: H04N19/186 , H04N19/159 , H04N19/176 , H04N19/61
Abstract: The present invention provides an image encoding apparatus carrying out inter-color prediction, comprising a residual block acquisition module obtaining a residual block with respect to a first color component and a residual block with respect to a second color component from a difference between an input block and a prediction block; an inter-color component prediction module carrying out inter-color component prediction by generating a residual signal reflecting a difference between a residual block with respect to the first color component and a residual block with respect to the second color component; a transform module generating a transformat coefficient by carrying out transformation with respect to the residual signal; a quantization module generating quantized data by carrying out quantization with respect to the transform coefficient; and an entropy encoding module carrying out entropy encoding by removing statistical redundancy of the quantized data.
Abstract translation: 本发明提供一种执行彩色间预测的图像编码装置，包括：残差块获取模块，根据输入块之间的差异获得关于第一颜色分量的残差块和相对于第二颜色分量的残差块 和预测块; 颜色分量预测模块，通过产生反映相对于所述第一颜色分量的残差块和相对于所述第二颜色分量的残差块之间的差异的残差信号来执行颜色间分量预测; 变换模块，通过对残差信号进行变换来生成变换系数; 量化模块，通过对变换系数进行量化，生成量化数据; 以及通过去除量化数据的统计冗余来执行熵编码的熵编码模块。
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公开(公告)号：US20140192873A1
公开(公告)日：2014-07-10
申请号：US14202943
申请日：2014-03-10
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/593
CPC classification number: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/122 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/80 , H04N19/82 , H04N19/96
Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
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