公开(公告)号：EP2806640A1

公开(公告)日：2014-11-26

申请号：EP13738659.5

申请日：2013-01-21

申请人： Electronics and Telecommunications Research Institute

发明人： LIM, Sung Chang ,  KIM, Hui Yong ,  LEE, Jin Ho ,  CHOI, Jin Soo ,  KIM, Jin Woong

IPC分类号： H04N7/32

CPC分类号： H04N19/126 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/198 ,  H04N19/463 ,  H04N19/50 ,  H04N19/61 ,  H04N19/70

摘要： 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.

摘要翻译： 本发明的使用同样涉及一种用于编码的方法和量化矩阵和设备解码，雅丁到本发明的包括以下步骤：编码一个量化矩阵的方法，包括：将用于量化和量化确定性采矿的量化矩阵; 确定性采矿用于量化矩阵的量化预测方法; 和确定性开采预测方法的基础上编码的量化矩阵的信息，worin预测方法可以是预测系数之间的量化矩阵或量化矩阵的重复方法。

公开(公告)号：EP2806635A1

公开(公告)日：2014-11-26

申请号：EP13738011.9

申请日：2013-01-18

申请人： Electronics And Telecommunications Research Institute

发明人： KIM, Hui Yong ,  LEE, Jin Ho ,  LIM, Sung Chang ,  CHOI, Jin Soo ,  KIM, Jin Woong

IPC分类号： H04N7/32

CPC分类号： H04N19/51 ,  H04N19/105 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/82

摘要： 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.

摘要翻译： 根据本发明的用于对图像进行解码的方法包括以下步骤：通过对熵解码的残余块执行逆量化和逆变换来恢复残差块; 通过对当前块进行帧内预测来生成预测块; 以及通过将所述恢复的残差块加到所述预测块中来恢复图像，其中，所述生成所述预测块的步骤还包括根据所述预测块的第一预测值生成要预测的像素的最终预测值的步骤 要包括在当前块中的要预测的像素和通过用二进制数1对二进制补码整数表示相对于像素的初始校正值执行算术右移而计算的最终校正值， 被预测。 因此，可以减少图像编码/解码期间的操作复杂度。

公开(公告)号：EP2640073A2

公开(公告)日：2013-09-18

申请号：EP11839222.4

申请日：2011-11-10

申请人： Electronics And Telecommunications Research Institute ,  Kookmin University Industry Academy Cooperation Foundation

发明人： KIM, Sung Hoon ,  CHO, Suk Hee ,  MOON, Kyung Ae ,  CHOI, Jin Soo ,  KIM, Jin Woong ,  KANG, Dong Wook ,  JUNG, Kyeong Hoon

IPC分类号： H04N7/24 ,  H04N13/00

CPC分类号： H04N13/106 ,  H04N13/161 ,  H04N13/194 ,  H04N19/00 ,  H04N19/132 ,  H04N19/136 ,  H04N19/172 ,  H04N19/587 ,  H04N19/597 ,  H04N21/234327 ,  H04N21/2365 ,  H04N21/4307 ,  H04N21/4347

摘要： A method and apparatus for determining an image compression format of a 3-dimensional television (3DTV). The method may include encoding a high-quality image and transmitting the encoded high-quality image through a first channel, determining an image compression format in which a resolution of the encoded low-quality image is higher than or equal to a reference value in comparison to the high-quality image, and encoding the low-quality image according to the determined image compression format and transmitting the encoded low-quality image through a second channel.

公开(公告)号：EP2608540A2

公开(公告)日：2013-06-26

申请号：EP11818406.8

申请日：2011-08-17

申请人： Electronics And Telecommunications Research Institute

发明人： LIM, Sung Chang ,  KIM, Hui Yong ,  JEONG, Se Yoon ,  CHO, Suk Hee ,  KIM, Jong Ho ,  LEE, Ha Hyun ,  LEE, Jin Ho ,  CHOI, Jin Soo ,  KIM, Jin Woong ,  AHN, Chie Teuk

IPC分类号： H04N7/26

CPC分类号： H04N19/124 ,  H04N19/119 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/70

摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

摘要翻译： 本发明涉及一种用于设置和编码量化参数的视频编码方法和装置，以及一种用于在使用具有不同尺寸和深度为编码和块的视频编码和解码装置解码和设定量化参数的视频解码方法和装置 解码单元。

公开(公告)号：EP2346259A2

公开(公告)日：2011-07-20

申请号：EP09818010.2

申请日：2009-10-01

申请人： Electronics and Telecommunications Research Institute ,  Kwangwoon University Industry-Academic Collaboration Foundation

发明人： CHOI, Hae Chul ,  JEONG, Se Yoon ,  LIM, Sung-Chang ,  CHOI, Jin Soo ,  HONG, Jin Woo ,  SIM, Dong Gyu ,  OH, Seoung-Jun ,  AHN, Chang-Beom ,  PARK, Gwang Hoon ,  KOOK, Seung Ryong ,  PARK, Sea-Nae ,  JEONG, Kwang-Su

IPC分类号： H04N7/50

CPC分类号： H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/132 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/463 ,  H04N19/50 ,  H04N19/587 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70 ,  H04N19/96

摘要： 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.

摘要翻译： 本发明涉及一种图像编码和解码技术，更具体地说，涉及一种使用单向预测的图像编码器和解码器。 该图像编码器包括：将宏块划分为多个子块的分割单元，单向应用确定单元，用于确定是否将相同的预测模式应用于多个子块中的每一个;以及预测模式确定单元 基于所述单向应用确定单元的确定结果来确定关于所述多个子块中的每一个的预测模式。

公开(公告)号：EP2317657A2

公开(公告)日：2011-05-04

申请号：EP09766809.9

申请日：2009-06-16

申请人： Electronics and Telecommunications Research Institute ,  Hongik University Industry-Academia Cooperation Foundation

发明人： KIM, Sung-Hoon ,  LEE, Eung Don ,  CHOI, Jin Soo ,  HONG, Jin Woo ,  AHN, Chung Hyun ,  KIM, Chang-Joong ,  LEE, Kyoung-Hweon ,  LEE, Ho-Kyoung

IPC分类号： H03M13/27 ,  H04L27/34

CPC分类号： H04L27/0008 ,  H03M13/11 ,  H03M13/63 ,  H03M13/6325 ,  H04L27/0012 ,  H04L27/34

摘要： Disclosed is an adaptable/variable type modulation/demodulation apparatus. A physical layer transmission apparatus for adaptable/variable type modulation, the transmission apparatus including a classification unit to classify a bit stream according to a standard that is determined in advance after receiving the bit stream, an uncoded bit group unit to group the bit stream not to be LDPC-coded by a predetermined number of bits, an LDPC encoder to perform LDPC-coding of the bit stream, a coded bit group unit to group the coded bit stream by the predetermined number of bits, a quadrature amplitude modulation (QAM) unit to select a symbol coset using the coded bit groups; and a convolutional interleaver to perform convolutional interleaving of the symbol.

摘要翻译： 公开了一种适应型/可变型调制/解调装置。 一种用于适应型/可变型调制的物理层传输装置，所述传输装置包括：分类单元，用于根据在接收到比特流之后预先确定的标准对比特流进行分类;未编码比特组单元，用于对比特流进行分组; 通过预定位数进行LDPC编码的LDPC编码器，对比特流进行LDPC编码的LDPC编码器，将编码比特流分组预定比特数的编码比特组单位，正交幅度调制（QAM） 单位以使用编码位组来选择符号陪集; 以及卷积交织器来执行符号的卷积交织。

公开(公告)号：EP4366307A3

公开(公告)日：2024-07-17

申请号：EP23218011.7

申请日：2013-01-18

申请人： Electronics and Telecommunications Research Institute

发明人： KIM, Hui Yong ,  LEE, Jin Ho ,  LIM, Sung Chang ,  CHOI, Jin Soo ,  KIM, Jin Woong

IPC分类号： H04N19/513 ,  H04N19/52 ,  H04N19/105 ,  H04N19/593 ,  H04N19/196 ,  H04N19/182 ,  H04N19/82 ,  H04N19/42

CPC分类号： H04N19/513 ,  H04N19/593 ,  H04N19/105 ,  H04N19/182 ,  H04N19/196 ,  H04N19/82 ,  H04N19/42 ,  H04N19/52

摘要： 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.

公开(公告)号：EP4274232A2

公开(公告)日：2023-11-08

申请号：EP23192915.9

申请日：2014-01-06

申请人： Electronics and Telecommunications Research Institute

发明人： KANG, Jung Won ,  LEE, Ha Hyun ,  LEE, Jin Ho ,  CHOI, Jin Soo ,  KIM, Jin Woong

IPC分类号： H04N19/70

摘要： Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of receiving a bitstream comprising the plurality of layers: and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers.

公开(公告)号：EP3941051A2

公开(公告)日：2022-01-19

申请号：EP21178773.4

申请日：2011-08-17

申请人： Electronics and Telecommunications Research Institute

发明人： LIM, Sung Chang ,  KIM, Hui Yong ,  JEONG, Se Yoon ,  CHO, Suk Hee ,  KIM, Jong Ho ,  LEE, Ha HYUN ,  LEE, Jin Ho ,  CHOI, Jin Soo ,  KIM, Jin Woong ,  AHN, Chie Teuk

IPC分类号： H04N19/119 ,  H04N19/124 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/70

摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

公开(公告)号：EP3829178A1

公开(公告)日：2021-06-02

申请号：EP21150983.1

申请日：2011-04-11

申请人： Electronics and Telecommunications Research Institute

发明人： LEE, Jin Ho ,  KIM, Hui Yong ,  JEONG, Se Yoon ,  CHO, Suk Hee ,  LEE, Ha Hyun ,  KIM, Jong Ho ,  LIM, Sung Chang ,  CHOI, Jin Soo ,  KIM, Jin Woong ,  AHN, Chie Teuk

IPC分类号： H04N19/593 ,  H04N19/157 ,  H04N19/82 ,  H04N19/117 ,  H04N19/176 ,  H04N19/182 ,  H04N19/136

摘要： The present invention relates to a method of performing intra-prediction, including determining whether to apply a first filter to a reference pixel value based on information about surrounding blocks of a current block, if, as a result of the determination, the first filter is determined to be applied, applying the first filter to the reference pixel value, performing intra-prediction for the current block based on the reference pixel value, determining whether to apply a second filter to a prediction value for each prediction mode of the current block, predicted by performing the intra-prediction based on the information about the surrounding blocks, and if, as a result of the determination, the second filter is determined to be applied, applying the second filter to the prediction value for each prediction mode.