公开(公告)号：US20170201747A1

公开(公告)日：2017-07-13

申请号：US15324305

申请日：2015-07-06

申请人： LG ELECTRONICS INC.

发明人： Eunyong SON ,  Sehoon YEA

IPC分类号： H04N19/105 ,  H04N19/18 ,  H04N19/176 ,  H04N19/137 ,  H04N19/117 ,  H04N19/44

摘要： The present invention relates to a method for decoding a video signal, and an apparatus therefor, the method comprising the steps of: obtaining at least one first reference sample from a first reference picture which is different from a picture containing a current block; generating a first reference sample which is filtered by applying a filter to the obtained first reference sample; generating a reference sample array from the difference between the obtained first reference sample and the filtered first reference sample; obtaining first disparity vector information from the video signal; obtaining a first prediction sample from the generated reference sample array on the basis of the first disparity vector information; and restoring the current block on the basis of the first prediction sample.

公开(公告)号：US20160286228A1

公开(公告)日：2016-09-29

申请号：US14442669

申请日：2013-11-13

申请人： LG ELECTRONICS INC.

发明人： Jaewon SUNG ,  Sehoon YEA ,  Moonmo KOO ,  Jin HEO ,  Taesup KIM ,  Jiwook JUNG ,  Eunyong SON

IPC分类号： H04N19/513 ,  H04N19/139 ,  H04N19/176

CPC分类号： H04N19/513 ,  H04N19/139 ,  H04N19/176 ,  H04N19/436 ,  H04N19/52 ,  H04N19/527 ,  H04N19/597

摘要： According to the present invention, a method for processing video signals can determine an interview motion vector of a current block using an interview motion vector of a temporal neighboring block in consideration of a global motion vector. The present invention can obtain an accurate interview motion vector according to obtaining the temporal neighboring block of the current block in consideration of a motion change according to output sequence information and accordingly, can increase the accuracy of inter-prediction.

摘要翻译： 根据本发明，用于处理视频信号的方法可以考虑全局运动矢量使用时间相邻块的访问运动矢量来确定当前块的访问运动矢量。 考虑到根据输出序列信息的运动变化，本发明可以根据获得当前块的时间相邻块来获得准确的访问运动矢量，因此可以提高帧间预测的精度。

公开(公告)号：US20130222874A1

公开(公告)日：2013-08-29

申请号：US13772946

申请日：2013-02-21

申请人： LG ELECTRONICS INC.

发明人： Jaewon SUNG ,  Moonmo KOO ,  Sehoon YEA

IPC分类号： G03H1/08

CPC分类号： G03H1/08 ,  G03H2001/0816 ,  G03H2001/0825 ,  G03H2001/0833

摘要： A holographic display device and method of generating a hologram using redundancy of 3D video are disclosed. A storage unit stores the hologram of a previous 3D image frame. A control unit generates an update map indicating an update required 3D point among 3D points included in a current 3D image frame based on the current 3D image frame and the previous 3D image frame and modifies the update map to further include information indicating the update of a 3D point related to the update required.

摘要翻译： 公开了使用3D视频的冗余生成全息图的全息显示装置和方法。 存储单元存储先前3D图像帧的全息图。 控制单元基于当前的3D图像帧和先前的3D图像帧，生成指示当前3D图像帧中包含的3D点中所需的3D点的更新映像，并且修改更新映射以进一步包括指示更新的信息 与需要更新相关的3D点。

公开(公告)号：US20210227261A1

公开(公告)日：2021-07-22

申请号：US16074265

申请日：2017-02-01

申请人： LG ELECTRONICS INC. ,  UNIVERSITY OF SOUTHERN CALIFORNIA

发明人： Yung-Hsuan CHAO ,  Hilmi E. EGILMEZ ,  Antonio ORTEGA ,  Sehoon YEA ,  Bumshik LEE

IPC分类号： H04N19/61 ,  H04N19/14 ,  H04N19/13 ,  H04N19/182 ,  H04N19/124 ,  H04N19/107

摘要： The present invention provides a method for encoding a video signal based on an Edge Adaptive Graph-Based Transform (EA-GBT) including detecting a step edge or a ramp edge from a residual signal; generating a graph signal based on at least one of the step edge or the ramp edge; obtaining an EA-GBT coefficient by performing the EA-GBT for the graph signal; quantizing the EA-GBT coefficient; and entropy-encoding the quantized EA-GBT coefficient.

公开(公告)号：US20200329232A1

公开(公告)日：2020-10-15

申请号：US16304862

申请日：2016-05-27

申请人： LG ELECTRONICS INC.

发明人： Jin HEO ,  Bumshik LEE ,  Sehoon YEA

IPC分类号： H04N19/105 ,  H04N19/176 ,  H04N19/61 ,  H04N19/124 ,  H04N19/91

摘要： The present invention provides a method for decoding a video signal including extracting a prediction mode for a current block from the video signal; generating a prediction block in a spatial domain according to the prediction mode; obtaining a transformed prediction block by performing a transform on the prediction block; updating the transformed prediction block using a correlation coefficient or a scaling coefficient; and generating a reconstruction block based on the updated transformed prediction block and a residual block.

公开(公告)号：US20180324418A1

公开(公告)日：2018-11-08

申请号：US15768326

申请日：2016-10-13

申请人： LG Electronics Inc.

发明人： Moonmo KOO ,  Sehoon YEA ,  Kyuwoon KIM ,  Bumshik LEE

IPC分类号： H04N19/11 ,  H04N19/176 ,  H04N19/593

CPC分类号： H04N19/11 ,  H04N19/147 ,  H04N19/176 ,  H04N19/593

摘要： The present invention provides a method for processing a video signal, comprising generating a prediction block for a neighbor block using a reconstructed reference pixel of the neighbor block when the neighbor block adjacent to a current block is intra-coded; determining a refined intra prediction mode of the neighbor block based on the prediction block, where the refined intra prediction mode represents a mode which minimizes an error between the prediction block and a reconstructed neighbor block; generating a prediction mode candidate list for the current block based on the refined intra prediction mode; selecting an intra prediction mode for the current block from the prediction mode candidate list; and performing a prediction for the current block based on the intra prediction mode.

公开(公告)号：US20180309984A1

公开(公告)日：2018-10-25

申请号：US15768992

申请日：2016-09-27

申请人： LG ELECTRONICS INC.

发明人： Eunyong SON ,  Jin HEO ,  Seoungwook PARK ,  Sehoon YEA

IPC分类号： H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52

摘要： An image decoding method, which is performed by a decoding device according to the present invention, comprises the steps of: acquiring the information on an intra-prediction mode of a current block from a received bit stream; deriving neighboring reference samples of the current block; deriving a first prediction value for a current sample of the current block on the basis of the intra-prediction mode and the neighboring reference samples; deriving a second prediction value for the current sample on the basis of adjacent samples of the current sample; and deriving a prediction value for the current sample on the basis of the first prediction value and the second prediction value. According to the present invention, the intra-prediction value can be derived on the basis of the adjacent samples of the current sample within the present block, and the intra-prediction accuracy can be improved therethrough.

公开(公告)号：US20180302620A1

公开(公告)日：2018-10-18

申请号：US15767962

申请日：2016-10-17

申请人： LG Electronics Inc.

发明人： Moonmo KOO ,  Bumshik LEE ,  Sehoon YEA ,  Kyuwoon KIM

IPC分类号： H04N19/119 ,  H04N19/61 ,  H04N19/159 ,  H04N19/147 ,  H04N19/96 ,  H04N19/176

摘要： The present invention provides a method for encoding a video signal comprising the steps of: performing block division with respect to a target unit of the video signal, wherein the block division is performed on the basis of square division and/or non-square division; determining the optimal block partition on the basis of a rate distortion cost, when the target unit is divided into a plurality of non-square blocks; and performing CNT prediction coding on the non-square blocks resulting from the optimal block partition, wherein the CNT prediction coding involves performing prediction using all previously decoded pixel values.

公开(公告)号：US20180295384A1

公开(公告)日：2018-10-11

申请号：US15762946

申请日：2016-09-08

申请人： LG ELECTRONICS INC.

发明人： Eunyong SON ,  Jin HEO ,  Seungwook PARK ,  Sehoon YEA

IPC分类号： H04N19/61 ,  H04N19/105 ,  H04N19/11 ,  H04N19/176 ,  H04N19/44 ,  H04N19/96

CPC分类号： H04N19/61 ,  H04N19/105 ,  H04N19/11 ,  H04N19/176 ,  H04N19/182 ,  H04N19/196 ,  H04N19/44 ,  H04N19/96

摘要： An intra prediction method includes: receiving intra prediction mode information through a bitstream; deriving an intra prediction mode of a current block as a first intra directional mode on the basis of the intra prediction mode information; deriving first neighboring samples of the current block; deriving a reference sample adjacent to a target sample in the current block on the basis of a prediction direction of the first intra directional mode; deriving second neighboring samples of a neighboring block to which the reference sample belongs; determining a modified prediction direction on the basis of a comparison between the reference sample and at least one of the second neighboring samples; and deriving a prediction value for the target sample on the basis of the modified prediction direction and the first neighboring samples.

公开(公告)号：US20180041768A1

公开(公告)日：2018-02-08

申请号：US15553078

申请日：2016-02-15

申请人： LG Electronics Inc.

发明人： Moonmo KOO ,  Sehoon YEA ,  Eunyong SON ,  Jin HEO

IPC分类号： H04N19/513 ,  H04N19/176 ,  H04N19/132

CPC分类号： H04N19/513 ,  H04N19/103 ,  H04N19/117 ,  H04N19/119 ,  H04N19/124 ,  H04N19/132 ,  H04N19/14 ,  H04N19/17 ,  H04N19/176 ,  H04N19/52 ,  H04N19/537 ,  H04N19/70 ,  H04N19/96

摘要： A polygon unit-based image processing method, and a device for the same are disclosed. Specifically, a method for decoding an image on the basis of a polygon unit can comprise the steps of: deriving a motion vector predictor for a polygon apex forming the polygon unit; deriving a motion vector for the polygon apex on the basis of a motion vector difference for the polygon apex and the motion vector predictor; and deriving a prediction sample for the polygon unit from a division unit, which is specified by the motion vector, in a reference picture.