公开(公告)号：US10547837B2

公开(公告)日：2020-01-28

申请号：US16113730

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Joon Young Park ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N19/117 ,  H04N19/176 ,  H04N19/82 ,  H04N19/13 ,  H04N19/139 ,  H04N19/14 ,  H04N19/91 ,  H04N19/186 ,  H04N19/70

Abstract: The present invention relates to an image information encoding and decoding method and a device for same. One embodiment of an image information encoding method according to the present invention, as an image information encoding method according to another embodiment of the present invention, includes the steps of: generating a restore block; applying a deblocking filter on the restore block; applying a Sample Adaptive Offset (SAO) on the restore block having the deblocking filter applied thereon; and transmitting information on the SAO application. During the applying of the SAO, the SAO is applied to chroma pixels, and during the transmitting of the information, in addition to information on whether the SAO is applied on the chroma pixels, at least one of area information, division information on the SAO coverage area, SAO type information, and SAO offset information is transmitted.

公开(公告)号：US20190373269A1

公开(公告)日：2019-12-05

申请号：US16544573

申请日：2019-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Yong Joon JEON ,  Seung Wook Park ,  Jung Sun Kim ,  Joon Young Park ,  Byeong Moon Jeon ,  Jae Hyun Lim

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/117 ,  H04N19/86 ,  H04N19/00

Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.

公开(公告)号：US10440381B2

公开(公告)日：2019-10-08

申请号：US16176715

申请日：2018-10-31

Applicant: LG Electronics Inc.

Inventor： Jae Hyun Lim ,  Seung Wook Park ,  Jung Sun Kim ,  Yong Joon Jeon ,  Joon Young Park ,  Byeong Moon Jeon

IPC: H04N11/02 ,  H04N19/51 ,  H04N19/517 ,  H04N19/50 ,  H04N19/52 ,  H04N19/176 ,  H04N19/103 ,  H04N19/109 ,  H04N19/82

Abstract: According to the present invention, an inter-prediction method includes: receiving mode information on the inter-prediction of a current block; decoding the received mode information; and performing inter-prediction using the decoded mode information. According to the present invention, image compression efficiency may be improved.

公开(公告)号：US09936221B2

公开(公告)日：2018-04-03

申请号：US15393716

申请日：2016-12-29

Applicant: LG Electronics Inc.

Inventor： Joon Young Park ,  Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N7/12 ,  H04N19/56 ,  H04N19/52 ,  H04N19/513 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/61

CPC classification number: H04N19/56 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/521 ,  H04N19/61

Abstract: A method for selecting a motion vector predictor is provided. The method of selecting a motion vector predictor includes the steps of selecting motion vector predictor candidates for a current block and selecting a motion vector predictor of the current block out of the motion vector predictor candidates, wherein the motion vector predictor candidates for the current block include a motion vector of a first candidate block which is first searched for as an available block out of left neighboring blocks of the current block and a motion vector of a second candidate block which is first searched for as an available block out of upper neighboring blocks of the current block.

公开(公告)号：US09832472B2

公开(公告)日：2017-11-28

申请号：US15344118

申请日：2016-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Yong Joon Jeon ,  Seung Wook Park ,  Jung Sun Kim ,  Joon Young Park ,  Byeong Moon Jeon ,  Jae Hyun Lim

IPC: G06K9/36 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/117 ,  H04N19/86 ,  H04N19/00 ,  H04N19/82 ,  H04N19/105

CPC classification number: H04N19/159 ,  H04N19/00 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176 ,  H04N19/593 ,  H04N19/82 ,  H04N19/86

Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.

公开(公告)号：US09626976B2

公开(公告)日：2017-04-18

申请号：US14165540

申请日：2014-01-27

Applicant: LG Electronics Inc.

Inventor： Yang-Won Jung ,  Hee Suk Pang ,  Hyen O Oh ,  Dong Soo Kim ,  Jae Hyun Lim

IPC: H04R5/00 ,  G10L19/008 ,  G10L19/16 ,  G10L19/24 ,  H04S3/00

CPC classification number: G10L19/008 ,  G10L19/167 ,  G10L19/24 ,  H04S3/008 ,  H04S2420/01 ,  H04S2420/03

Abstract: An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes skipping extension information included in an input bitstream, extracting a three-dimensional (3D) down-mix signal and spatial information from the input bitstream, removing 3D effects from the 3D down-mix signal by performing a 3D rendering operation on the 3D down-mix signal, and generating a multi-channel signal using a down-mix signal obtained by the removal and the spatial information. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of an audio reproduction environment.

公开(公告)号：US20160314793A1

公开(公告)日：2016-10-27

申请号：US15201335

申请日：2016-07-01

Applicant: LG Electronics Inc.

Inventor： Dong Soo Kim ,  Hee Suk Pang ,  Jae Hyun Lim ,  Sung Yong Yoon ,  Hyun Kook Lee

IPC: G10L19/008 ,  G10L19/20 ,  H04S7/00 ,  G10L19/087

CPC classification number: G10L19/008 ,  G10L19/087 ,  G10L19/20 ,  G10L21/04 ,  H04S7/302 ,  H04S2400/03 ,  H04S2400/11 ,  H04S2420/01

Abstract: Provided are an audio encoding method and apparatus and an audio decoding method and apparatus in which audio signals can be encoded or decoded so that sound images can be localized at any desired position for each object audio signal. The audio decoding method generating a third downmix signal by combining a first downmix signal extracted from a first audio signal and a second downmix signal extracted from a second audio signal; generating third object-based side information by combining first object-based side information extracted from the first audio signal and second object-based side information extracted from the second audio signal; converting the third object-based side information into channel-based side information; and generating a multi-channel audio signal using the third downmix signal and the channel-based side information.

Abstract translation: 提供了一种音频编码方法和装置以及音频解码方法和装置，其中可以对音频信号进行编码或解码，使得声音图像可以被定位在每个对象音频信号的任何期望位置。 音频解码方法，通过组合从第一音频信号提取的第一下混合信号和从第二音频信号提取的第二下混频信号来产生第三降混信号; 通过组合从第一音频信号提取的第一基于对象的侧信息和从第二音频信号提取的第二基于对象的侧信息来生成第三对象侧边信息; 将所述第三对象侧信息转换为基于信道的侧信息; 以及使用第三下混信号和基于频道的侧信息来生成多声道音频信号。

公开(公告)号：US20150208087A1

公开(公告)日：2015-07-23

申请号：US14673029

申请日：2015-03-30

Applicant: LG Electronics Inc.

Inventor： Joon Young PARK ,  Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N19/56 ,  H04N19/513 ,  H04N19/52

CPC classification number: H04N19/56 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/521 ,  H04N19/61

Abstract: A method for selecting a motion vector predictor is provided. The method of selecting a motion vector predictor includes the steps of selecting motion vector predictor candidates for a current block and selecting a motion vector predictor of the current block out of the motion vector predictor candidates, wherein the motion vector predictor candidates for the current block include a motion vector of a first candidate block which is first searched for as an available block out of left neighboring blocks of the current block and a motion vector of a second candidate block which is first searched for as an available block out of upper neighboring blocks of the current block.

Abstract translation: 提供了一种用于选择运动矢量预测器的方法。 选择运动矢量预测器的方法包括以下步骤：为当前块选择运动矢量预测器候选，并从运动矢量预测器候选中选择当前块的运动矢量预测器，其中当前块的运动矢量预测器候选包括 第一候选块的运动矢量首先被搜索作为当前块的左邻近块中的可用块和第一候选块的运动矢量，该运动矢量首先从 当前块。

公开(公告)号：US20140222439A1

公开(公告)日：2014-08-07

申请号：US14165540

申请日：2014-01-27

Applicant: LG Electronics Inc.

Inventor： Yang-Won Jung ,  Hee Suk Pang ,  Hyen O. Oh ,  Dong Soo Kim ,  Jae Hyun Lim

IPC: G10L19/008

CPC classification number: G10L19/008 ,  G10L19/167 ,  G10L19/24 ,  H04S3/008 ,  H04S2420/01 ,  H04S2420/03

Abstract: An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes skipping extension information included in an input bitstream, extracting a three-dimensional (3D) down-mix signal and spatial information from the input bitstream, removing 3D effects from the 3D down-mix signal by performing a 3D rendering operation on the 3D down-mix signal, and generating a multi-channel signal using a down-mix signal obtained by the removal and the spatial information. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of an audio reproduction environment.

Abstract translation: 提供了编码方法和装置以及解码方法和装置。 解码方法包括跳过包括在输入比特流中的扩展信息，从输入比特流中提取三维（3D）降混信号和空间信息，通过对3D降混信号执行3D渲染操作来去除3D降混信号的3D效果 3D下混合信号，并且使用通过去除获得的缩减混音信号和空间信息来生成多声道信号。 因此，可以有效地编码具有3D效果的多声道信号，并根据音频再现环境的特性自适应地恢复和再现具有最佳声音质量的音频信号。