公开(公告)号：US09319709B2

公开(公告)日：2016-04-19

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 ,  H04N19/51 ,  H04N19/52 ,  H04N19/513

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：US20150088530A1

公开(公告)日：2015-03-26

申请号：US14558649

申请日：2014-12-02

Applicant: LG ELECTRONICS INC.

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

IPC: G10L19/008

CPC classification number: G10L19/008

Abstract: Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial information from a received audio signal, generating surround converting information using the spatial information and rendering the downmix signal to generate a pseudo-surround signal in a previously set rendering domain, using the surround converting information. The apparatus for decoding an audio signal includes a demultiplexing part extracting a downmix signal and spatial information from a received audio signal, an information converting part generating surround converting information using the spatial information and a pseudo-surround generating part rendering the downmix signal to generate a pseudo-surround signal in a previous set rendering domain, using the surround converting information.

Abstract translation: 提供了用于处理音频信号的方法和装置。 用于对音频信号进行解码的方法包括从接收的音频信号中提取下混合信号和空间信息，使用空间信息产生环绕转换信息，并使用下混合信号在先前设置的渲染域中产生伪环绕信号， 环绕转换信息。 用于对音频信号进行解码的装置包括从接收到的音频信号中提取下混合信号和空间信息的解复用部分，使用该空间信息生成环绕转换信息的信息转换部分和呈现下混合信号的伪环绕声产生部分， 使用环绕转换信息的先前设定的渲染域中的伪环绕信号。

公开(公告)号：US20140297294A1

公开(公告)日：2014-10-02

申请号：US14306169

申请日：2014-06-16

Applicant: LG Electronics Inc.

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

IPC: G10L19/00

CPC classification number: G10L19/0018 ,  G10L19/008 ,  G10L19/20

Abstract: An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal and object-based side information, the downmix signal comprising at least two downmix channel signals; extracting gain information from the object-based side information and generating modification information for modifying the downmix channel signals on a channel-by-channel basis based on the gain information; and modifying the downmix channel signals by applying the modification information to the downmix channel signals.

Abstract translation: 提供了可以有效地处理基于对象的音频信号的音频解码方法和装置以及音频编码方法和装置。 音频解码方法包括：接收下混合信号和基于对象的侧信息，所述降混信号包括至少两个下混通道信号; 从所述基于对象的侧信息提取增益信息，并且基于所述增益信息生成用于修改所述下混频道信号的修改信息; 以及通过将所述修改信息应用于所述下混通道信号来修改所述下混通道信号。

公开(公告)号：US12200252B2

公开(公告)日：2025-01-14

申请号：US18142891

申请日：2023-05-03

Applicant: LG Electronics Inc.

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

IPC: H04N19/593 ,  G06T9/00 ,  H04N19/11 ,  H04N19/132 ,  H04N19/136 ,  H04N19/16 ,  H04N19/176 ,  H04N19/186 ,  H04N19/423 ,  H04N19/44 ,  H04N19/70

Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.

公开(公告)号：US12047600B2

公开(公告)日：2024-07-23

申请号：US18222188

申请日：2023-07-14

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: H04N19/513 ,  H04N19/52

CPC classification number: H04N19/521 ,  H04N19/52

Abstract: A method for setting the motion vector list and the apparatus using the same may include determining the presence of a first motion vector or a second motion vector by a sequential determination process in a first spatial candidate prediction group; and setting the first motion vector or the second motion vector produced through the sequential determination process as the candidate prediction motion vector. Thus, the encoding/decoding time and the complexity can be reduced by restricting the scaling number in a process for scanning the candidate prediction motion vector.

公开(公告)号：US11949885B2

公开(公告)日：2024-04-02

申请号：US18142386

申请日：2023-05-02

Applicant: LG Electronics Inc.

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

IPC: G06V10/00 ,  H04N19/00 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/86 ,  H04N19/105 ,  H04N19/82

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

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：US11765385B2

公开(公告)日：2023-09-19

申请号：US17736632

申请日：2022-05-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/593 ,  H04N19/70 ,  H04N19/11 ,  H04N19/132 ,  H04N19/186 ,  H04N19/16 ,  G06T9/00 ,  H04N19/136 ,  H04N19/176 ,  H04N19/423 ,  H04N19/44

CPC classification number: H04N19/593 ,  G06T9/004 ,  H04N19/11 ,  H04N19/132 ,  H04N19/136 ,  H04N19/16 ,  H04N19/176 ,  H04N19/186 ,  H04N19/423 ,  H04N19/44 ,  H04N19/70

Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.

公开(公告)号：US11758149B2

公开(公告)日：2023-09-12

申请号：US17715903

申请日：2022-04-07

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: H04N19/157 ,  H04N19/117 ,  H04N19/80 ,  H04N19/176 ,  H04N19/61 ,  H04N19/182 ,  H04N19/82

CPC classification number: H04N19/157 ,  H04N19/117 ,  H04N19/176 ,  H04N19/182 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82

Abstract: According to the present invention, an image-encoding method comprises the following steps: receiving image information; generating a restored block for the current block based on the image information; and generating a finally restored block for the current block by applying an in-loop filter to the restored block on the basis of the image information. According to the present invention, image-encoding/decoding efficiency may be improved.

公开(公告)号：US20230209098A1

公开(公告)日：2023-06-29

申请号：US18111156

申请日：2023-02-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/91 ,  H04N19/146 ,  H04N19/52 ,  H04N19/174 ,  H04N19/154 ,  H04N19/159 ,  H04N19/184 ,  H04N19/13 ,  H04N19/70 ,  H04N19/593 ,  H04N19/463

CPC classification number: H04N19/91 ,  H04N19/146 ,  H04N19/52 ,  H04N19/174 ,  H04N19/154 ,  H04N19/159 ,  H04N19/184 ,  H04N19/13 ,  H04N19/70 ,  H04N19/593 ,  H04N19/463

Abstract: The present invention relates to an entropy encoding method, an entropy decoding method and to an apparatus using same. The entropy decoding method includes: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded bin. In the step of decoding the bin, context-based decoding or bypass decoding is performed for each bin of the syntax element.

公开(公告)号：US11677977B2

公开(公告)日：2023-06-13

申请号：US17506087

申请日：2021-10-20

Applicant: LG Electronics Inc.

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

IPC: H04N19/593 ,  H04N19/70 ,  H04N19/11 ,  H04N19/132 ,  H04N19/186 ,  H04N19/16 ,  G06T9/00 ,  H04N19/136 ,  H04N19/176 ,  H04N19/423 ,  H04N19/44

CPC classification number: H04N19/593 ,  G06T9/004 ,  H04N19/11 ,  H04N19/132 ,  H04N19/136 ,  H04N19/16 ,  H04N19/176 ,  H04N19/186 ,  H04N19/423 ,  H04N19/44 ,  H04N19/70

Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.