公开(公告)号：US20190238875A1

公开(公告)日：2019-08-01

申请号：US16380345

申请日：2019-04-10

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 ,  H04N19/196 ,  H04N19/70 ,  H04N19/176 ,  H04N19/587 ,  H04N19/184 ,  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：US20190110074A1

公开(公告)日：2019-04-11

申请号：US16210700

申请日：2018-12-05

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 ,  H04N19/44 ,  H04N19/182 ,  H04N19/105 ,  H04N19/14 ,  H04N19/61 ,  H04N19/176 ,  H04N19/157

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：US20160255361A1

公开(公告)日：2016-09-01

申请号：US15148689

申请日：2016-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Jae Hyun LIM ,  Seung Wook PARK ,  Jung Sun KIM ,  Yong Joon JEON ,  Joon Young PARK ,  Byeong Moon JEON

IPC: H04N19/51 ,  H04N19/109 ,  H04N19/176

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/109 ,  H04N19/176 ,  H04N19/50 ,  H04N19/517 ,  H04N19/52 ,  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：US20160212445A1

公开(公告)日：2016-07-21

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 ,  H04N19/86 ,  H04N19/105 ,  H04N19/44 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/14

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.

Abstract translation: 公开了一种解码视频信号的方法和装置。 一种解码视频信号的方法包括获取当前块的块类型信息，基于块类型信息确认当前块的预测模式，如果当前块的预测模式是根据该块类型信息的帧内预测模式， 使用当前块的至少一个相邻像素的至少一个相关参数信息，使用相关参数信息获得当前块的帧内预测值，并使用当前块的帧内预测值重构当前块。

公开(公告)号：US20150382008A1

公开(公告)日：2015-12-31

申请号：US14848485

申请日：2015-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Jae Hyun LIM ,  Seung Wook PARK ,  Jung Sun KIM ,  Yong Joon JEON ,  Joon Young PARK ,  Byeong Moon JEON

IPC: H04N19/51 ,  H04N19/109 ,  H04N19/176

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/109 ,  H04N19/176 ,  H04N19/50 ,  H04N19/517 ,  H04N19/52 ,  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.

Abstract translation: 根据本发明，帧间预测方法包括：接收关于当前块的帧间预测的模式信息; 解码所接收的模式信息; 以及使用解码模式信息执行帧间预测。 根据本发明，可以提高图像压缩效率。

公开(公告)号：US20130272417A1

公开(公告)日：2013-10-17

申请号：US13914187

申请日：2013-06-10

Applicant: Korea Advanced Institute of Science and Technology ,  LG Electronics Inc.

Inventor： Byeong Moon JEON ,  Seung Wook PARK ,  Joon Young PARK ,  Jae Won SUNG ,  Hyun Wook PARK ,  Jee Hong LEE ,  Jin Young LEE ,  Dong San JUN ,  Yinji PIAO

IPC: H04N7/36

CPC classification number: H04N19/55 ,  G06F1/00 ,  G06K9/00 ,  H04N19/00 ,  H04N19/11 ,  H04N19/132 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/182 ,  H04N19/19 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/56 ,  H04N19/593 ,  H04N19/70 ,  H04N19/80

Abstract: An apparatus for processing a video signal and method thereof are disclosed. The present invention includes receiving prediction mode information, interpolating information and a residual of a current block, reconstructing an interpolating pixel using the interpolating information and a neighbor block, and reconstructing the current block using the interpolating pixel, the prediction mode information and the residual, wherein the interpolating information is generated based on a location of the current block. According to an apparatus and method for processing a video signal, high reconstruction rate can be obtained by improving the related art method having limited intra prediction modes available for a current block located on a boundary area of a picture in encoding in a manner of reconstructing and using an interpolating pixel based on interpolating information.

公开(公告)号：US20250016374A1

公开(公告)日：2025-01-09

申请号：US18896433

申请日：2024-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Jung Sun KIM ,  Seung Wook PARK ,  Young Hee CHOI ,  Jae Won SUNG ,  Byeong Moon JEON ,  Joon young PARK

IPC: H04N19/61 ,  H04N19/119 ,  H04N19/122 ,  H04N19/129 ,  H04N19/149 ,  H04N19/176 ,  H04N19/18 ,  H04N19/625

Abstract: The present invention relates to a method for decoding a video signal, comprising the steps of: acquiring a transform size flag of the current macroblock from a video signal; checking the number of non-zero transform coefficients at each pixel position in a first transform block which corresponds to the transform size flag; changing a scan order of the first transform block by prioritizing the position of the pixel having the greatest number of the nonzero transform coefficients in the first transform block; determining the number of the non-zero transform coefficients at each pixel position in a second transform block, and setting the changed scan order of the first transform block as an initialized scan order of the second transform block; adding the number of the non-zero transform coefficients at each pixel position in the first transform block and the number of the non-zero transform coefficients at each pixel position in the second transform block, and changing the scan order of the second transform block by prioritizing the position of the pixel having the greatest number of the nonzero transform coefficients; and decoding the transform coefficients arranged in the scan order changed in the previous step, wherein the first transform block and the second transform block have sizes corresponding to the transform size flag, and are contained in the current macroblock.

公开(公告)号：US20240283943A1

公开(公告)日：2024-08-22

申请号：US18589157

申请日：2024-02-27

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 ,  H04N19/00 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176 ,  H04N19/593 ,  H04N19/82 ,  H04N19/86

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：US20240223791A1

公开(公告)日：2024-07-04

申请号：US18435754

申请日：2024-02-07

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：US20230291911A1

公开(公告)日：2023-09-14

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

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