-
公开(公告)号：US09264734B2
公开(公告)日：2016-02-16
申请号：US14564825
申请日：2014-12-09
Applicant: LG Electronics Inc.
Inventor： Joonyoung Park , Seungwook Park , Jaehyun Lim , Jungsun Kim , Younghee Choi , Jaewon Sung , Byeongmoon Jeon , Yongjoon Jeon
IPC: H04N19/55 , H04N19/52 , H04N19/51 , H04N19/176 , H04N19/61
CPC classification number: H04N19/55 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/61 , H04N19/625
Abstract: The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value.
-
公开(公告)号：US20150304676A1
公开(公告)日：2015-10-22
申请号：US14441038
申请日：2013-11-07
Applicant: LG ELECTRONICS INC.
Inventor： Jaewon Sung , Sehoon Yea , Moonmo Koo , Jin Heo , Taesup Kim , Jiwook Jung , Eunyong Son
IPC: H04N19/513 , H04N19/56 , H04N19/176
CPC classification number: H04N19/513 , H04N19/105 , H04N19/147 , H04N19/176 , H04N19/52 , H04N19/56 , H04N19/597
Abstract: According to the present invention, a method for processing video signals is capable of determining an interview motion vector of a current block using an interview motion vector of a neighboring block. To this end, the neighboring blocks of the current block are searched and an interview motion vector candidate list can be generated. According to the present invention, more precise interview motion vector prediction is enabled from among various interview motion vector candidates, and accordingly, coding efficiency can be increased by reducing the amount of transmitted residual data.
Abstract translation: 根据本发明，用于处理视频信号的方法能够使用相邻块的访问运动矢量来确定当前块的访问运动矢量。 为此，搜索当前块的相邻块，并且可以生成面试运动矢量候选列表。 根据本发明，能够从各种面试运动矢量候选中进行更精确的访问运动矢量预测，从而可以通过减少发送的残差数据的量来增加编码效率。
-
公开(公告)号：US20150208083A1
公开(公告)日：2015-07-23
申请号：US14413139
申请日：2013-07-09
Applicant: LG Electronics Inc.
Inventor： Moonmo Koo , Jiwook Jung , Sehoon Yea , Jin Heo , Taesup Kim , Jaewon Sung , Eunyong Son
IPC: H04N19/52 , H04N19/597
CPC classification number: H04N19/52 , H04N19/597
Abstract: A method for processing a video signal, according to the present invention, performs inter-view inter prediction for a current texture block by searching for a block coded to a reference view motion vector for neighboring blocks of the current texture block, storing a reference inter-view motion vector corresponding to the retrieved reference view motion vector of a spatial neighboring block in a candidate list, inducing an inter-view motion vector of the current texture block by using any one of the reference inter-view motion vectors stored in the candidate list, and using the induced inter-view motion vector. The present invention can improve coding efficiency by enabling a more accurate prediction of an inter-view motion vector among various inter-view motion vector candidates to thereby reduce the amount of residual data to be transmitted.
Abstract translation: 根据本发明的用于处理视频信号的方法通过搜索针对当前纹理块的相邻块的参考视图运动矢量编码的块来执行当前纹理块的视角间帧间预测，存储参考帧间 对应于候选列表中的空间相邻块的检索到的参考视图运动矢量的视图运动矢量，通过使用存储在候选中的任何一个参考视角间运动矢量来感应当前纹理块的视角间运动矢量 列表，并使用感应视角运动矢量。 本发明可以通过在各种视角间的运动矢量候补中更准确地预测视角间的运动矢量来提高编码效率，从而减少要发送的剩余数据量。
-
公开(公告)号：US20150181230A1
公开(公告)日：2015-06-25
申请号：US14406604
申请日：2013-06-18
Applicant: LG Electronics Inc.
Inventor： Eunyong Son , Jiwook Jung , Sehoon Yea , Moonmo Koo , Jin Heo , Taesup Kim , Jaewon Sung
IPC: H04N19/597 , H04N19/513 , H04N19/577 , H04N19/573
CPC classification number: H04N19/597 , H04N19/513 , H04N19/521 , H04N19/573 , H04N19/577
Abstract: The present invention relates to inter-view residual prediction and is characterized by obtaining residual data of a first reference block by using a motion vector of a neighboring block, obtaining residual data of a second reference block by using a reference view motion vector or a disparity vector, obtaining a residual data prediction value by using the residual data of the first reference block and the residual data of the second reference block, and coding a current texture block by using the residual data prediction value. The present invention can perform inter-view residual prediction by using a prediction value obtained using coded data of another view point belonging to the same time band to increase the accuracy of video data prediction by using a correlation between view points and reduce the amount of residual data to be transmitted, thereby improving the coding efficiency. In addition, the complexity in a coding process may be reduced by adding a condition for applying the inter-view residual prediction.
Abstract translation: 本发明涉及视角间残差预测，其特征在于通过使用相邻块的运动矢量来获得第一参考块的残差数据，通过使用参考视图运动矢量或视差来获得第二参考块的残差数据 矢量，通过使用第一参考块的残差数据和第二参考块的残差数据获得残差数据预测值，并通过使用残差数据预测值对当前纹理块进行编码。 本发明可以通过使用通过使用属于相同时间带的另一个视点的编码数据获得的预测值来执行视角间残差预测，以通过使用视点之间的相关性来增加视频数据预测的精度，并减少残差量 要发送的数据，从而提高编码效率。 此外，通过添加用于应用视角间残差预测的条件，可以减少编码处理中的复杂度。
-
公开(公告)号：US20150146103A1
公开(公告)日：2015-05-28
申请号：US14396686
申请日：2013-04-24
Applicant: LG ELECTRONICS INC.
Inventor： Moonmo Koo , Jiwook Jung , Sehoon Yea , Jin Heo , Taesup Kim , Jaewon Sung , Eunyong Son
CPC classification number: G06T7/2033 , G06K9/6201 , G06T7/40 , H04N5/23229 , H04N19/52 , H04N19/597
Abstract: A method for processing a video signal according to the present invention comprises the steps of: determining a motion vector list comprising at least one of a spatial motion vector, a temporal motion vector, and a mutation vector as a motion vector candidate of a target block; extracting motion vector identification information for specifying the motion vector candidate to be used as a predicted motion vector of the target block; setting the motion vector candidate corresponding to the motion vector identification information as the predicted motion vector of the target block; and performing motion compensation based on the predicted motion vector. The present invention forms the motion vector candidate and derives the motion vector of the target and derives the motion vector of the target block therefrom, thus enabling a more accurate prediction of the motion vector, and thereby reduces the amount of transmitted residual data and improves coding efficiency.
Abstract translation: 根据本发明的用于处理视频信号的方法包括以下步骤：确定包括空间运动矢量，时间运动矢量和突变矢量中的至少一个的运动矢量列表作为目标块的运动矢量候选 ; 提取用于指定要用作所述目标块的预测运动矢量的运动矢量候选的运动矢量识别信息; 将与运动矢量识别信息相对应的运动矢量候选设置为目标块的预测运动矢量; 并基于预测的运动矢量执行运动补偿。 本发明形成运动矢量候选，并导出目标的运动矢量，从而导出目标块的运动矢量，从而能够对运动矢量进行更精确的预测，从而减少发送的残留数据量并改进编码 效率。
-
Patent Agency Ranking
公开(公告)号：US20150098509A1
公开(公告)日：2015-04-09
申请号：US14400214
申请日：2013-05-09
Applicant: LG Electronics Inc.
Inventor： Jaewon Sung , Sehoon Yea , Moonmo Koo , Jin Heo , Taesup Kim , Jinwook Jung , Eunyong Son
IPC: H04N19/52 , H04N19/109 , H04N19/593 , H04N19/159 , H04N19/176 , H04N19/597 , H04N19/119
CPC classification number: H04N19/52 , H04N19/109 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/463 , H04N19/51 , H04N19/593 , H04N19/597
Abstract: The method for processing video signals according to the present invention involves deriving an inter-view motion vector of the current texture block from one of inter-view motion vector candidates in consideration of a priority among the inter-view motion vector candidates of the current texture block, and performing inter-view inter-prediction for the current texture block using the derived inter-view motion vector. The present invention enables more accurate inter-view motion vector prediction from among various inter-view motion vector candidates, and thus a reduction in the amount of residual data being transmitted, thereby improving coding efficiency.
Abstract translation: 根据本发明的处理视频信号的方法涉及从当前纹理的视角间的运动矢量候选中考虑优先级之间的视角之间的运动矢量候选中导出当前纹理块的视角间的运动矢量 并且使用导出的视角间运动矢量对当前纹理块执行视角间预测。 本发明能够从各种视角间的运动矢量候选中进行更准确的视角内运动矢量预测，从而可以减少发送的残留数据的量，从而提高编码效率。
-
公开(公告)号：US20150049814A1
公开(公告)日：2015-02-19
申请号：US14383491
申请日：2013-03-05
Applicant: LG ELECTRONICS INC.
Inventor： Jaewon Sung , Sehoon Yea , Moonmo Koo , Jin Heo , Taesup Kim , Jiwook Jung , Eunyong Son
IPC: H04N19/513 , H04N13/00 , H04N19/176
CPC classification number: H04N19/513 , H04N13/161 , H04N19/176 , H04N19/52 , H04N19/597
Abstract: The method for processing video signals according to the present invention determines a motion vector list including at least one of spatial motion vectors, temporal motion vectors, and variation vectors as motion vector candidates of a target block, extracts motion vector identifying information which specifies the motion vector candidates used as the predicted motion vectors of the target block, determines the motion vector candidates corresponding to the motion vector identifying information as the predicted motion vectors of the target block, and performs motion compensation on the basis of the predicted motion vectors. The present invention enables accurate motion vector prediction by forming motion vector candidates and induces motion vectors of a target block therefrom, and can enhance coding efficiency by reducing the amount of transmitted residual data.
Abstract translation: 根据本发明的用于处理视频信号的方法将包括空间运动矢量，时间运动矢量和变化矢量中的至少一个的运动矢量列表确定为目标块的运动矢量候选，提取指定运动的运动矢量识别信息 用作目标块的预测运动矢量的矢量候选将与运动矢量识别信息相对应的运动矢量候选确定为目标块的预测运动矢量，并基于预测运动矢量进行运动补偿。 本发明通过形成运动矢量候选来实现精确的运动矢量预测，并且从其中引起目标块的运动矢量，并且可以通过减少发送的残留数据的量来提高编码效率。
-
公开(公告)号：US12028511B2
公开(公告)日：2024-07-02
申请号：US17342033
申请日：2021-06-08
Applicant: LG Electronics Inc.
Inventor： Jaehyun Lim , Jungsun Kim , Seungwook Park , Jaewon Sung , Byeongmoon Jeon , Joonyoung Park , Yongjoon Jeon , Younghee Choi
IPC: H04N19/105 , H04N19/139 , H04N19/176 , H04N19/50 , H04N19/513 , H04N19/56 , H04N19/573 , H04N19/577
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：US20240048752A1
公开(公告)日：2024-02-08
申请号：US18379344
申请日：2023-10-12
Applicant: LG ELECTRONICS INC.
Inventor： Seungwook PARK , Jaehyun Lim , Yongjoon Jeon , Hendry Hendry , Younghee Chol , Jaewon Sung , Jungsun Kim , Byeongmoon Jeon , Joonyoung Park
IPC: H04N19/513 , H04N19/593 , H04N19/11 , H04N19/573 , H04N19/58 , H04N19/56 , H04N19/105 , H04N19/503 , H04N19/139 , H04N19/176 , H04N19/517
CPC classification number: H04N19/513 , H04N19/593 , H04N19/11 , H04N19/573 , H04N19/58 , H04N19/56 , H04N19/105 , H04N19/503 , H04N19/139 , H04N19/176 , H04N19/517
Abstract: The present invention relates to the encoding and decoding of image information. According to the present invention, the decoding method comprises the steps of: entropy-decoding received information; performing inter prediction on a current block based on the entropy-decoded information; and restoring images by using the prediction results, wherein, in the inter prediction step, a skip mode or merge mode is applied to the current block and movement information of the current block may be determined based on the movement information of a neighboring block of the current block.
-
公开(公告)号：US11375233B2
公开(公告)日：2022-06-28
申请号：US17090519
申请日：2020-11-05
Applicant: LG Electronics Inc.
Inventor： Jungsun Kim , Seungwook Park , Jaewon Sung , Joonyoung Park , Byeongmoon Jeon , Jaehyun Lim , Yongjoon Jeon , Younghee Choi
IPC: H04N19/593 , H04N19/96 , H04N19/70
Abstract: Disclosed are a method for partitioning a block and a decoding device. A method for decoding an image comprises the steps of: partitioning one prediction unit, in which an intra prediction is performed in a predetermined intra prediction mode, into a plurality of transform units; and performing the intra prediction for each of the plurality of the transform units on the basis of the predetermined intra prediction mode. Thus, the invention increases the image encoding efficiency.
-
-
-
-
-
-
-
-
-
Search Results
126
records
(took 0.021 seconds)
