公开(公告)号：US09628799B2

公开(公告)日：2017-04-18

申请号：US15255290

申请日：2016-09-02

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC: G06K9/36 ,  H04N19/119 ,  H04N19/122 ,  H04N19/129 ,  H04N19/593 ,  H04N19/176 ,  H04N19/61

CPC classification number: H04N19/129 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

公开(公告)号：US09621910B2

公开(公告)日：2017-04-11

申请号：US15342721

申请日：2016-11-03

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: H04N19/00 ,  H04N19/503 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/117 ,  H04N19/122 ,  H04N19/124 ,  H04N19/13 ,  H04N19/15 ,  H04N19/176 ,  H04N19/436 ,  H04N19/503 ,  H04N19/51 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

公开(公告)号：US09591327B2

公开(公告)日：2017-03-07

申请号：US14221794

申请日：2014-03-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/105 ,  H04N19/593 ,  H04N19/159 ,  H04N19/176 ,  H04N19/96 ,  H04N19/11 ,  H04N19/117 ,  H04N19/157 ,  H04N19/182 ,  H04N19/122 ,  H04N19/137 ,  H04N19/82 ,  H04N19/44 ,  H04N19/136 ,  H04N19/80

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.

Abstract translation: 根据本发明，图像编码/解码方法包括以下步骤：对当前块执行帧内预测，​​以产生预测块; 基于当前块的帧内预测模式对预测块中的滤波目标像素进行滤波，以生成最终预测块; 并且基于与当前块对应的重构差分块和最终预测块来生成重建块。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：US09571841B2

公开(公告)日：2017-02-14

申请号：US14382251

申请日：2013-04-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Chang Lim ,  Hui Yong Kim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/126 ,  H04N19/70 ,  H04N19/129 ,  H04N19/61 ,  H04N19/463 ,  H04N19/18 ,  H04N19/44 ,  H04N19/60 ,  H04N19/176 ,  H04N19/96

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。

公开(公告)号：US09516334B2

公开(公告)日：2016-12-06

申请号：US14353615

申请日：2012-11-08

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: H04N19/00 ,  H04N19/503 ,  H04N19/52 ,  H04N19/436 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/117 ,  H04N19/122 ,  H04N19/124 ,  H04N19/13 ,  H04N19/15 ,  H04N19/176 ,  H04N19/436 ,  H04N19/503 ,  H04N19/51 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

Abstract translation: 本发明涉及共享候选列表的方法和装置。 一种生成用于预测块的合并候选列表的方法可以包括：基于包括执行并行合并处理的预测块的编码块，生成空间合并候选和时间合并候选中的至少一个 的预测块; 以及基于所生成的合并候选来生成编码块的单个合并候选列表。 因此，通过在多个预测块上并行执行画面间预测，可以提高编码和解码的处理速度。

公开(公告)号：US09270972B2

公开(公告)日：2016-02-23

申请号：US13717492

申请日：2012-12-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Suk Hee Cho ,  Jong Ho Kim ,  Se Yoon Jeong ,  Hyon Gon Choo ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/12 ,  H04N13/00 ,  H04N21/236 ,  H04N21/2365 ,  H04N21/2368 ,  H04N21/242 ,  H04N21/81

CPC classification number: H04N13/167 ,  H04N21/23608 ,  H04N21/2365 ,  H04N21/2368 ,  H04N21/242 ,  H04N21/816

Abstract: A method for 3DTV multiplexing according to the present invention comprises, deriving a delay value in units of frames for the left and right image based on a left image PES (Packetized Elementary Stream) corresponding to a left image and a right image PES corresponding to a right image, carrying out synchronization of the left image PES and the right image PES based on the delay value in units of frames, and generating 3DTV transport streams (TSs) by carrying out multiplexing of the synchronized left image PES and the synchronized right image PES. According to the present invention, efficiency of video services can be improved.

Abstract translation: 根据本发明的3DTV复用方法包括：基于对应于左图像和对应于左图像的左图像和右图像PES的左图像PES（分组化基本流），为左和右图像以帧为单位导出延迟值 基于延迟值以帧为单位执行左图像PES和右图像PES的同步，并且通过执行同步的左图像PES和同步的右图像PES的多路复用来生成3DTV传输流（TS） 。 根据本发明，可以提高视频业务的效率。

公开(公告)号：US09154781B2

公开(公告)日：2015-10-06

申请号：US14202943

申请日：2014-03-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N7/12 ,  G06K9/36 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/11 ,  H04N19/117 ,  H04N19/157 ,  H04N19/182 ,  H04N19/96

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.

公开(公告)号：US20150189277A1

公开(公告)日：2015-07-02

申请号：US14643785

申请日：2015-03-10

Applicant: Electronics and Telecommunications Research Institute ,  Kwangwoon University Industry-Academic Collaboration Foundation ,  University-Industry Cooperation Group of Kyung Hee University

Inventor： Sung Chang Lim ,  Ha Hyun Lee ,  Se Yoon Jeong ,  Hui Yong Kim ,  Suk Hee Cho ,  Jong Ho Kim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Dong Gyu Sim ,  Seoung Jun Oh ,  Gwang Hoon Park ,  Sea Nae Park ,  Chan Woong Jeon

IPC: H04N19/117 ,  H04N19/82 ,  H04N19/174 ,  H04N19/192 ,  H04N19/109 ,  H04N19/159

CPC classification number: H04N19/117 ,  H04N19/109 ,  H04N19/132 ,  H04N19/159 ,  H04N19/17 ,  H04N19/174 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract translation: 本发明涉及通过跳过编码对图像进行编码和解码的装置和方法。 执行帧内预测的通过跳过编码的图像编码方法包括：对编码对象图像中的编码对象信号之前重构的信号进行滤波处理; 使用滤波后的重构信号生成编码对象信号的预测信号; 将生成的预测信号设置为编码对象信号的重构信号; 并且不对基于编码对象信号和预测信号之间的差异产生的残差信号进行编码，从而对编码对象信号进行跳过编码。

公开(公告)号：US20150109411A1

公开(公告)日：2015-04-23

申请号：US14397125

申请日：2013-04-26

Applicant: Electronics and Telecommunications Research Institute ,  KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION ,  Hidea Solutions Co., Ltd

Inventor： Joo Young Lee ,  Sung Hoon Kim ,  Hyon Gon Choo ,  Jin Soo Choi ,  Jin Woong Kim ,  Suk Jin Hong ,  Jin Suk Kwak ,  Min Suk Lee ,  Dong Wook Kang ,  Kyeong Hoon Jung

IPC: H04N13/00

CPC classification number: H04N13/167 ,  H04N13/161 ,  H04N13/189 ,  H04N19/597

Abstract: An image reproduction apparatus for a 3DTV and a processing method by the apparatus are disclosed. The image reproduction apparatus may determine an output time of a buffer to store a left image stream and a right image stream for a 3D image. The image reproduction apparatus may determine a buffer size or a buffer delay time using a reception time difference between the left image stream and the right image stream. Further, the image reproduction apparatus may correct a reference clock or a timestamp using the reception time difference between the left image stream and the right image stream.

Abstract translation: 公开了一种用于3DTV的图像再现装置和该装置的处理方法。 图像再现装置可以确定用于存储用于3D图像的左图像流和右图像流的缓冲器的输出时间。 图像再现装置可以使用左图像流和右图像流之间的接收时间差来确定缓冲器大小或缓冲器延迟时间。 此外，图像再现装置可以使用左图像流和右图像流之间的接收时间差校正参考时钟或时间戳。

公开(公告)号：US20150063438A1

公开(公告)日：2015-03-05

申请号：US14388514

申请日：2013-04-16

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: H04N19/11 ,  H04N19/176 ,  H04N19/186 ,  H04N19/129

CPC classification number: H04N19/11 ,  H04N19/12 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/61 ,  H04N19/96

Abstract: The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block, wherein the step of scanning the residual signal can determine a scanning type for a luminance signal and a chroma signal of the current block according to an intra prediction mode for a luminance sample of the current block.

Abstract translation: 编码方法和解码方法技术领域本发明涉及一种编码方法和解码方法及其使用方法。 根据本发明的编码方法包括以下步骤：指定当前块的帧内预测模式; 以及通过对当前块进行帧内预测来扫描残差信号，其中扫描残留信号的步骤可以根据帧内预测模式确定当前块的亮度信号和色度信号的扫描类型， 当前块。