公开(公告)号：US10009631B2

公开(公告)日：2018-06-26

申请号：US15790236

申请日：2017-10-23

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: H04N19/176 ,  H04N19/44 ,  H04N19/423 ,  H04N19/593 ,  H04N19/136

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：US09819954B2

公开(公告)日：2017-11-14

申请号：US14694280

申请日：2015-04-23

Applicant: LG Electronics Inc.

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/44 ,  H04N19/70 ,  H04N19/196 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/587 ,  H04N19/61

CPC classification number: H04N19/44 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/587 ,  H04N19/61 ,  H04N19/70

Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a block type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.

公开(公告)号：US09800894B2

公开(公告)日：2017-10-24

申请号：US15389712

申请日：2016-12-23

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 ,  H04N19/423 ,  H04N19/136 ,  H04N19/176 ,  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：US09756358B2

公开(公告)日：2017-09-05

申请号：US15007896

申请日：2016-01-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/593 ,  H04N19/46 ,  H04N19/86 ,  H04N19/105 ,  H04N19/14 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/14 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/46 ,  H04N19/61 ,  H04N19/86

Abstract: A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block.

公开(公告)号：US09420313B2

公开(公告)日：2016-08-16

申请号：US14673190

申请日：2015-03-30

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: H04N19/13 ,  H04N19/91 ,  H04N19/146 ,  H04N19/154 ,  H04N19/52 ,  H04N19/70

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

Abstract: The present invention relates to an entropy decoding method and to a decoding apparatus using same. The entropy decoding method according to the present invention comprises: 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.

Abstract translation: 本发明涉及一种熵解码方法及其使用的解码装置。 根据本发明的熵解码方法包括：对语法元素的bin进行解码的步骤; 以及基于解码的bin来获取关于语法元素的信息的步骤。 在对bin进行解码的步骤中，对语法元素的每个bin执行基于上下文的解码或旁路解码。

公开(公告)号：US20160119620A1

公开(公告)日：2016-04-28

申请号：US14990405

申请日：2016-01-07

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: H04N19/117 ,  H04N19/14 ,  H04N19/91 ,  H04N19/186 ,  H04N19/82 ,  H04N19/13 ,  H04N19/176

CPC classification number: H04N19/117 ,  H04N19/13 ,  H04N19/139 ,  H04N19/14 ,  H04N19/176 ,  H04N19/186 ,  H04N19/70 ,  H04N19/82 ,  H04N19/91

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：US09288486B2

公开(公告)日：2016-03-15

申请号：US14274113

申请日：2014-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Seung Wook Park ,  Ji Ho Park ,  Byeong Moon Jeon ,  Doe Hun Yoon ,  Hyun Wook Park

IPC: H04N19/00 ,  H04N19/107 ,  H04N19/105 ,  H04N19/46 ,  H04N19/63 ,  H04N19/61 ,  H04N19/186 ,  H04N19/182 ,  H04N19/187 ,  H04N19/167 ,  H04N19/33 ,  H04N19/59 ,  H04N19/615 ,  H04N19/13

CPC classification number: H04N19/107 ,  H04N19/105 ,  H04N19/13 ,  H04N19/167 ,  H04N19/182 ,  H04N19/186 ,  H04N19/187 ,  H04N19/33 ,  H04N19/46 ,  H04N19/59 ,  H04N19/61 ,  H04N19/615 ,  H04N19/63 ,  H04N19/70

Abstract: In one embodiment, the method includes predicting at least a portion of a current image in a current layer based on at least a residual coded portion of a base image in a base layer, a reference image, shift information for samples in the predicted current image, and offset information indicating a position offset between at least one boundary pixel of the reference image and at least one boundary pixel of the current image. The residual coded portion represents difference pixel data.

公开(公告)号：US12058369B2

公开(公告)日：2024-08-06

申请号：US17831919

申请日：2022-06-03

Applicant: LG Electronics Inc.

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

IPC: H04N19/593 ,  H04N19/105 ,  H04N19/14 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/46 ,  H04N19/61 ,  H04N19/86

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/14 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/46 ,  H04N19/61 ,  H04N19/86

Abstract: A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block is an intra prediction mode according to the prediction mode, at least one correlation parameter information using at least one neighboring pixel of the current block, obtaining an intra prediction value of the current block using the correlation parameter information, and reconstructing the current block using the intra prediction value of the current block.

公开(公告)号：US11930201B2

公开(公告)日：2024-03-12

申请号：US18136170

申请日：2023-04-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/44 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/587 ,  H04N19/61 ,  H04N19/70

CPC classification number: H04N19/44 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/587 ,  H04N19/61 ,  H04N19/70

Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.

公开(公告)号：US20230254497A1

公开(公告)日：2023-08-10

申请号：US18136170

申请日：2023-04-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/44 ,  H04N19/70 ,  H04N19/196 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/587 ,  H04N19/61

CPC classification number: H04N19/44 ,  H04N19/70 ,  H04N19/196 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/587 ,  H04N19/61

Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.