公开(公告)号：US09521426B2

公开(公告)日：2016-12-13

申请号：US14830403

申请日：2015-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung Park ,  Seungwook Park ,  Jaehyun Lim ,  Jungsun Kim ,  Younghee Choi ,  Jaewon Sung ,  Byeongmoon Jeon ,  Yongjoon Jeon

IPC: H04N19/52 ,  H04N19/577 ,  H04N19/513 ,  H04N19/50 ,  H04N19/176 ,  H04N19/51 ,  H04N19/109

CPC classification number: H04N19/52 ,  H04N19/109 ,  H04N19/11 ,  H04N19/176 ,  H04N19/426 ,  H04N19/463 ,  H04N19/50 ,  H04N19/51 ,  H04N19/521 ,  H04N19/577

Abstract: A motion information storing method and a TMVP deriving method using the motion information storing method are provided. The motion information storing method includes a step of determining a representative block out of blocks of a motion data storage unit in a co-located picture with a current picture and a step of storing motion information of the representative block as motion information of the motion data storage unit, wherein the motion information of the representative block is used as motion information of the blocks included in the motion data storage unit.

公开(公告)号：US09398303B2

公开(公告)日：2016-07-19

申请号：US14554189

申请日：2014-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyun Lim ,  Jungsun Kim ,  Seungwook Park ,  Jaewon Sung ,  Byeongmoon Jeon ,  Joonyoung Park ,  Yongjoon Jeon ,  Younghee Choi

IPC: H04N7/12 ,  H04N19/159 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46 ,  H04N19/196 ,  H04N19/61 ,  H04N19/593 ,  H04N19/11 ,  H04N19/463 ,  H04N19/14 ,  H04N19/154 ,  H04N19/182 ,  H04N19/50 ,  H04N19/513 ,  H04N19/59 ,  H04N19/18

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/11 ,  H04N19/14 ,  H04N19/154 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/50 ,  H04N19/513 ,  H04N19/59 ,  H04N19/593 ,  H04N19/61

Abstract: A method and apparatus for signaling and receiving a video signal for processing is disclosed. Methods for determining a most probable mode for predicting a current prediction block are provided as well as new methods for grouping intra prediction modes into prediction groups. Methods for predicting a prediction block of video data as well as signaling intra prediction modes are also provided.

Abstract translation: 公开了用于信令和接收用于处理的视频信号的方法和装置。 提供了用于确定用于预测当前预测块的最可能模式的方法以及用于将帧内预测模式分组为预测组的新方法。 还提供了用于预测视频数据的预测块以及信令帧内预测模式的方法。

公开(公告)号：US20150288983A1

公开(公告)日：2015-10-08

申请号：US14402240

申请日：2013-05-22

Applicant: LG ELECTRONICS INC.

Inventor： Moonmo Koo ,  Jiwook Jung ,  Sehoon Yea ,  Jin Heo ,  Taesup Kim ,  Jaewon Sung ,  Eunyong Son

IPC: H04N19/56 ,  H04N19/625 ,  H04N19/82 ,  H04N19/597

CPC classification number: H04N19/56 ,  H04N19/573 ,  H04N19/597 ,  H04N19/625 ,  H04N19/82

Abstract: The present invention relates to a method for processing a video signal, comprising the step of inducing an inter-view motion vector of a current texture block by considering priorities between inter-view motion vector candidates of the current texture block, wherein the inter-view motion vector candidates include an inter-view motion vector of a spatial neighboring block, an inter-view motion vector of a temporal neighboring block and/or a reference inter-view motion vector, and inter-view inter prediction is performed by using the induced inter-view motion vector. The present invention can increase the accuracy of the inter-view inter prediction by selectively using the inter-view motion vector of a spatial neighboring block, the inter-view motion vector of a temporal neighboring block and/or the reference inter-view motion vector to induce an accurate inter-view motion vector, and can improve coding efficiency by reducing the amount of residual data to be transmitted.

Abstract translation: 本发明涉及一种处理视频信号的方法，包括以下步骤：通过考虑当前纹理块的视点间运动矢量候选者之间的优先级，来引导当前纹理块的视角间运动矢量，其中， 运动矢量候选包括空间相邻块的视角间运动矢量，时间相邻块的视角间运动矢量和/或参考视角间运动矢量，并且通过使用感应 互动运动矢量。 本发明可以通过选择性地使用空间相邻块的视角间运动矢量，时间相邻块的视角间运动矢量和/或参考视角间运动矢量来增加视角间帧间预测的精度 以诱导精确的视角间运动矢量，并且可以通过减少要发送的残留数据的量来提高编码效率。

公开(公告)号：US20150215638A1

公开(公告)日：2015-07-30

申请号：US14428604

申请日：2013-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Sung ,  Sehoon Yea ,  Moonmo Koo ,  Jin Heo ,  Taesup Kim ,  Jiwook Jung ,  Eunyong Son

IPC: H04N19/52 ,  H04N19/593

CPC classification number: H04N19/52 ,  H04N19/56 ,  H04N19/593 ,  H04N19/597

Abstract: The present invention relates to a method and an apparatus for processing a video signal. The method comprises: acquiring an inter-view motion vector from a neighboring block of a current texture block; and decoding the current texture block using the acquired inter-view motion vector. The neighboring block includes a spatial neighboring block and a temporal neighboring block. The acquired inter-view motion vectors are compared with each other to determine the inter-view motion vector of the current texture block. The method and apparatus of the present invention may reduce the complexity for acquiring an inter-view motion vector and improve the accuracy of inter-view inter prediction.

Abstract translation: 本发明涉及一种用于处理视频信号的方法和装置。 该方法包括：从当前纹理块的相邻块获取视角间运动矢量; 以及使用所获取的视角间运动矢量对当前纹理块进行解码。 相邻块包括空间相邻块和时间相邻块。 将所获取的视角间运动矢量相互比较，以确定当前纹理块的视角间运动矢量。 本发明的方法和装置可以降低获取视角间的运动矢量的复杂性，并提高视域间预测的准确性。

公开(公告)号：US20150195569A1

公开(公告)日：2015-07-09

申请号：US14413157

申请日：2013-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Jiwook Jung ,  Sehoon Yea ,  Moonmo Koo ,  Jin Heo ,  Taesup Kim ,  Jaewon Sung ,  Eunyong Son

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/513 ,  H04N19/593 ,  H04N19/52

CPC classification number: H04N19/597 ,  H04N13/161 ,  H04N19/52 ,  H04N19/521 ,  H04N19/593 ,  H04N2213/007

Abstract: The present invention relates to a method and apparatus for processing a video signal, which involve acquiring the prediction value for the current texture block and performing an inter-view compensation on the prediction value for the current texture block using a first compensation coefficient and a second compensation coefficient. The first compensation coefficient is acquired using the neighboring pixel of the current texture block, the neighboring pixel of the reference block, and the first compensation coefficient. The method and apparatus for the present invention compensate for inter-view differences caused by imaging conditions, such as lighting or a camera, during the capture of multiview images so as to achieve improved accuracy in inter-view inter prediction.

Abstract translation: 本发明涉及一种用于处理视频信号的方法和装置，其涉及获取当前纹理块的预测值并且使用第一补偿系数对当前纹理块的预测值进行视角间补偿，并且第二 补偿系数。 使用当前纹理块的相邻像素，参考块的相邻像素和第一补偿系数来获取第一补偿系数。 本发明的方法和装置在拍摄多视图图像期间补偿由诸如照明或照相机之类的成像条件引起的视差之间的差异，从而提高视角间预测的精度。

公开(公告)号：US09042450B2

公开(公告)日：2015-05-26

申请号：US13685116

申请日：2012-11-26

Applicant: LG Electronics Inc.

Inventor： Jaehyun Lim ,  Jungsun Kim ,  Seungwook Park ,  Jaewon Sung ,  Byeongmoon Jeon ,  Joonyoung Park ,  Yongjoon Jeon ,  Younghee Choi

IPC: H04N7/32 ,  H04N19/50 ,  H04N19/573

CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/50 ,  H04N19/513 ,  H04N19/56 ,  H04N19/573 ,  H04N19/577

Abstract: The present invention relates to a method and apparatus for encoding or decoding a video signal. According to the present invention, a plurality of reference units for image prediction of the current unit is acquired and combined to obtain a unit prediction value, thereby improving the accuracy of image prediction. More particularly, the present invention relates to a method for inducing a variety of reference units using a motion vector prediction value or a motion vector which is used in conventional inter-prediction, and also relates to a method which combines the reference units so as to obtain the prediction value for the current unit. In addition, the present invention relates to a method which involves acquiring a plurality of reference units for a merging mode, and combining the reference units so as to perform image prediction.

公开(公告)号：US20150117517A1

公开(公告)日：2015-04-30

申请号：US14396595

申请日：2013-04-24

Applicant: LG Electronics Inc.

Inventor： Jin Heo ,  Jiwook Jung ,  Sehoon Yea ,  Moonmo Koo ,  Taesup Kim ,  Jaewon Sung ,  Eunyong Son

IPC: H04N19/597 ,  H04N19/105 ,  H04N19/122 ,  H04N19/147 ,  H04N19/18 ,  H04N19/146

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/136 ,  H04N19/146 ,  H04N19/147 ,  H04N19/176 ,  H04N19/18 ,  H04N19/61 ,  H04N19/96

Abstract: The present invention variably adjusts the maximum splitting information of a conversion unit according to the type of prediction unit and the splitting information on a coding unit and selects the optimal splitting information on the conversion unit. The present invention determines the maximum splitting information on the conversion unit of a depth block by using the maximum splitting information on the conversion unit for texture data. The present invention may lower complexity without a loss in efficiency by variably adjusting the maximum splitting information on the conversion unit in consideration of the characteristics of the depth data. The present invention may lower complexity by determining the maximum splitting information on the conversion unit of the depth data by using similar characteristics between the texture data and the depth data.

Abstract translation: 本发明根据预测单元的类型和编码单元上的分割信息可变地调整转换单元的最大分割信息，并在转换单元上选择最佳分割信息。 本发明通过使用用于纹理数据的转换单元上的最大分割信息来确定深度块的转换单元上的最大分割信息。 考虑到深度数据的特性，本发明可以通过可变地调整转换单元上的最大分割信息来降低复杂度而不降低效率。 本发明可以通过使用纹理数据和深度数据之间的类似特征来确定深度数据的转换单元上的最大分割信息来降低复杂性。

公开(公告)号：US20140328397A1

公开(公告)日：2014-11-06

申请号：US14230656

申请日：2014-03-31

Applicant: LG Electronics Inc.

Inventor： Yongjoon JEON ,  Seungwook Park ,  Jaehyun Lim ,  Jungsun Kim ,  Joonyoung Park ,  Younghee Choi ,  Jaewon Sung ,  Byeongmoon Jeon

IPC: H04N19/593 ,  H04N19/91 ,  H04N19/80 ,  H04N19/182

CPC classification number: H04N19/593 ,  H04N19/11 ,  H04N19/117 ,  H04N19/176 ,  H04N19/182 ,  H04N19/61 ,  H04N19/80 ,  H04N19/85 ,  H04N19/91

Abstract: Disclosed are an intra-prediction method using filtering and an apparatus using the method. An image-decoding method comprises: a step of filtering an n upper reference pixel of a block to be predicted and neighboring pixels of the n upper reference pixel so as to obtain the filtered n upper reference pixel; and a step of filtering an n left reference pixel of a block to be predicted and neighboring pixels of the n left reference pixel so as to obtain the filtered n left reference pixel. According to the present invention, intra-prediction may be efficiently performed to improve image-encoding/decoding efficiency.

Abstract translation: 公开了使用滤波的帧内预测方法和使用该方法的装置。 图像解码方法包括：对要预测的块的n个上参考像素和n个上参考像素的相邻像素进行滤波，以获得滤波后的n个较高参考像素的步骤; 以及对要预测的块的n个左参考像素和n个左参考像素的相邻像素进行滤波以获得滤波后的n个左参考像素的步骤。 根据本发明，可以有效地执行帧内预测，​​以提高图像编码/解码效率。

公开(公告)号：US20140205011A1

公开(公告)日：2014-07-24

申请号：US14346389

申请日：2012-09-18

Applicant: LG Electronics Inc.

Inventor： Jaewon Sung ,  Sehoon Yea ,  Eunyong Son ,  Jiwook Jung

IPC: H04N19/50 ,  H04N19/597

CPC classification number: H04N19/50 ,  H04N19/593 ,  H04N19/597

Abstract: The present invention relates to an intra prediction method for predicting pixel values within a prediction target block on the basis of a plurality of peripheral pixels adjacent to the prediction target block. The intra prediction method according to the present invention includes the steps of: receiving and decoding encoded image information; determining a target boundary by determining a plurality of boundary pixels representing the target boundary within the prediction target block on the basis of the decoded image information; determining a plurality of prediction target regions partitioned on the basis of the target boundary within the prediction target block; and performing a prediction for each of the plurality of prediction target regions on the basis of peripheral pixels differing from each other selected from among the plurality of the peripheral pixels.

Abstract translation: 本发明涉及一种帧内预测方法，用于基于与该预测对象块相邻的多个周边像素来预测预测对象块内的像素值。 根据本发明的帧内预测方法包括以下步骤：接收和解码编码的图像信息; 通过基于解码图像信息确定表示预测对象块内的目标边界的多个边界像素来确定目标边界; 确定在所述预测目标块内的所述目标边界的基础上划分的多个预测目标区域; 并且基于从所述多个周边像素中选择的彼此不同的周边像素，对所述多个预测对象区域中的每一个进行预测。

公开(公告)号：US12238327B2

公开(公告)日：2025-02-25

申请号：US18516148

申请日：2023-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung Park ,  Sangchul Kim ,  Seungwook Park ,  Jaehyun Lim ,  Yongjoon Jeon ,  Byeongmoon Jeon ,  Younghee Choi ,  Jaewon Sung ,  Jungsun Kim ,  Jingyeong Kim ,  Taeil Chung

IPC: H04N19/513 ,  H04N19/105 ,  H04N19/167 ,  H04N19/176 ,  H04N19/51 ,  H04N19/583

Abstract: The method for deriving a temporal motion vector predictor according to the present invention comprises the steps of: selecting a reference picture for a current block; deciding a predictor block corresponding to a predetermined storage unit block, as a reference prediction unit for the current block, in the reference picture; and deriving the temporal motion vector predictor from motion information of the decided reference prediction unit. The present invention enhances image compression efficiency.