公开(公告)号：US20170142437A1

公开(公告)日：2017-05-18

申请号：US15322875

申请日：2015-06-29

申请人： LG ELECTRONICS INC.

发明人： Amir SAID ,  Abo Talib MAHFOODH

IPC分类号： H04N19/50 ,  H04N19/184 ,  H04N19/13

CPC分类号： H04N19/50 ,  H03M7/4012 ,  H03M7/42 ,  H04N19/13 ,  H04N19/184

摘要： Disclosed herein is a method of performing an arithmetic decoding for data symbols, comprising: creating a decoding table index; obtaining an upper bound value and a lower bound value of a ratio between an interval length and a point within an interval assigned to a symbol from a ROM table; obtaining initial values for a bisection search from a RAM table based on the upper bound value and the lower bound value; and searching a value of sequence in the interval, wherein the interval is determined based on the initial values.

公开(公告)号：US20160323603A1

公开(公告)日：2016-11-03

申请号：US15108724

申请日：2015-01-02

申请人： LG ELECTRONICS INC.

发明人： Amir SAID

IPC分类号： H04N19/91 ,  H04N19/42

CPC分类号： H04N19/91 ,  H04N19/42

摘要： Disclosed herein is a method of performing an arithmetic coding for data symbols, comprising: creating an interval for each of the data symbols, the interval being represented based on a starting point and a length of the interval; updating the interval for each of the data symbols using a multiplication approximation; and calculating the multiplication approximation of products using bit-shifts and additions within the updated interval.

摘要翻译： 本文公开了一种对数据符号进行算术编码的方法，包括：为每个数据符号创建间隔，该间隔基于间隔的起点和长度来表示; 使用乘法近似来更新每个数据符号的间隔; 并使用更新间隔内的位移和相加来计算乘积的乘法近似。

公开(公告)号：US20180146195A1

公开(公告)日：2018-05-24

申请号：US15577029

申请日：2016-05-26

申请人： LG Electronics Inc. ,  University of Southern California

发明人： Moonmo KOO ,  Sehoon YEA ,  Bumshik LEE ,  Amir SAID ,  Hilmi Enes EGILMEZ ,  Antonio ORTEGA

IPC分类号： H04N19/122 ,  H04N19/625 ,  H04N19/61 ,  H04N19/176

摘要： The present invention provides a method for decoding a video signal using an adaptive separable graph-based transform, comprising the steps of: receiving a transform index for a target block from the video signal, wherein the transform index indicates a graph-based transform to be applied to the target block; deriving a graph-based transform kernel corresponding to the transform index; and decoding the target block based on the graph-based transform kernel.

公开(公告)号：US20170359584A1

公开(公告)日：2017-12-14

申请号：US15520968

申请日：2015-10-21

申请人： LG ELECTRONICS INC.

发明人： Amir SAID ,  Yung-Hsuan CHAO ,  Hilmi Enes EGILMEZ

IPC分类号： H04N19/159 ,  H04N19/105 ,  H04N19/503 ,  H04N19/44 ,  H04N19/61 ,  H04N19/18

摘要： The present invention provides a method for performing a graph-based prediction using a graph signal including obtaining a context signal; generating a graph signal based on a graph parameter set; obtaining a graph-based transform matrix based on the graph signal, wherein the graph-based transform matrix includes an eigenvector; obtaining a prediction vector using an optimal transform vector calculated through an optimization function; and generating a prediction signal using the prediction vector, where the optimization function has the context signal, an eigenvalue of a graph Laplacian matrix and the eigenvector as a variable.

公开(公告)号：US20170339422A1

公开(公告)日：2017-11-23

申请号：US15526897

申请日：2015-11-13

申请人： LG ELECTRONICS INC.

发明人： Amir SAID ,  Yung-Hsuan CHAO ,  Hilmi Enes EGILMEZ

IPC分类号： H04N19/44 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13

摘要： The present invention provides a method for decoding a video signal using a graph-based transform including receiving a generalized graph signal including a graph parameter set; obtaining a graph-based transform kernel of a transform unit based on the graph parameter set and a predetermined penalty function; and decoding the transform unit using the graph-based transform kernel.

公开(公告)号：US20170359591A1

公开(公告)日：2017-12-14

申请号：US15526847

申请日：2015-11-16

申请人： LG ELECTRONICS INC.

发明人： Amir SAID

IPC分类号： H04N19/436 ,  H04N19/44 ,  H04N19/13 ,  H04N19/176

CPC分类号： H04N19/436 ,  H04N19/13 ,  H04N19/176 ,  H04N19/44

摘要： Disclosed is a method for encoding a video signal using parallel implementations, including generating data symbols to be encoded, encoding 1st data symbols being in a base segment, copying 2nd data symbols being in another segment to a buffer, and encoding in parallel the 2nd data symbols being in the another segment.

公开(公告)号：US20160360237A1

公开(公告)日：2016-12-08

申请号：US15106980

申请日：2014-12-22

申请人： LG ELECTRONICS INC.

发明人： Amir SAID ,  Onur Gonen GULERYUZ ,  Sehoon YEA

IPC分类号： H04N19/91 ,  H04N19/154 ,  H04N19/147

CPC分类号： H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/13 ,  H04N19/147 ,  H04N19/15 ,  H04N19/154 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

摘要： Disclosed herein is a method of encoding a video signal, comprising receiving an original video signal; comparing the original video signal with a previously reconstructed signal; generating a correction signal to minimize a sum of a distortion component and a rate component; and entropy-encoding the correction signal that is transmitted to the decoder for video signal reconstruction, wherein the previously reconstructed signal has been inverse-transformed by additionally using a scaling diagonal matrix.

摘要翻译： 本文公开了一种对视频信号进行编码的方法，包括：接收原始视频信号; 将原始视频信号与先前重建的信号进行比较; 生成校正信号以最小化失真分量和速率分量的和; 以及熵编码被发送到用于视频信号重建的解码器的校正信号，其中先前重构的信号已经通过另外使用缩放对角矩阵进行逆变换。

公开(公告)号：US20160337646A1

公开(公告)日：2016-11-17

申请号：US15107042

申请日：2014-12-22

申请人： LG ELECTRONICS INC.

发明人： Onur Gonen GULERYUZ ,  Amir SAID ,  Sehoon YEA

IPC分类号： H04N19/147 ,  H04N19/593 ,  H04N19/176 ,  H04N19/124 ,  H04N19/13 ,  H04N19/126 ,  H04N19/61 ,  H04N19/15

CPC分类号： H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/13 ,  H04N19/147 ,  H04N19/15 ,  H04N19/154 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

摘要： Disclosed herein is a method of encoding a video signal, comprising receiving an original video signal; comparing the original video signal with available reconstructed signals; generating a transform-coded correction signal based on a result of the comparison; generating a prediction signal based on the transform-coded correction signal and the available reconstructed signals; and reconstructing a signal by adding the transform-coded correction signal to the prediction signal.

摘要翻译： 本文公开了一种对视频信号进行编码的方法，包括：接收原始视频信号; 将原始视频信号与可用的重建信号进行比较; 基于比较结果生成变换编码校正信号; 基于所述变换编码校正信号和所述可用重建信号生成预测信号; 以及通过将变换编码校正信号加到预测信号上来重构信号。

公开(公告)号：US20160330486A1

公开(公告)日：2016-11-10

申请号：US15107856

申请日：2014-12-29

申请人： LG ELECTRONICS INC.

发明人： Amir SAID

IPC分类号： H04N19/86 ,  H04N19/70

CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/167 ,  H04N19/174 ,  H04N19/23 ,  H04N19/70

摘要： Disclosed herein is a method of processing a video signal, comprising: receiving a video signal comprising an original frame; generating random shift information being used to derive a relative position of the original frame; copying the original frame within an extended frame using the generated random shift information; and encoding the extended frame and the random shift information, wherein a boundary of frames included in the video signal varies for each frame based on the random shift information.

摘要翻译： 本文公开了一种处理视频信号的方法，包括：接收包括原始帧的视频信号; 产生用于导出原始帧的相对位置的随机移位信息; 使用所生成的随机移位信息在扩展帧内复制原始帧; 以及对扩展帧和随机移位信息进行编码，其中包括在视频信号中的帧的边界根据随机移位信息针对每一帧而变化。

公开(公告)号：US20180205952A1

公开(公告)日：2018-07-19

申请号：US15322794

申请日：2015-06-29

申请人： LG ELECTRONICS INC.

发明人： Amir SAID ,  Abo Talib MAHFOODH

IPC分类号： H04N19/13 ,  H04N19/61 ,  H04N19/126

CPC分类号： H04N19/13 ,  H03M7/4006 ,  H03M7/4012 ,  H03M7/6011 ,  H04N19/126 ,  H04N19/50 ,  H04N19/61

摘要： Disclosed herein is a method of performing an arithmetic coding for data symbols, comprising: creating an interval for each of the data symbols, the interval being represented based on a starting point and a length of the interval; updating the interval for each of the data symbols; checking whether the updated interval is included in a specific range; and renormalizing the updated interval based on a result of the checking.