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公开(公告)号:US20160337642A1
公开(公告)日:2016-11-17
申请号:US15217765
申请日:2016-07-22
Applicant: LG ELECTRONICS INC.
Inventor: Seungwook PARK , Jungsun KIM , Yongjoon JEON , Joonyoung PARK , Byeongmoon JEON , Jaehyun LIM
IPC: H04N19/117 , H04N19/13 , H04N19/50 , H04N19/186
CPC classification number: H04N19/80 , H04N19/117 , H04N19/126 , H04N19/13 , H04N19/132 , H04N19/186 , H04N19/44 , H04N19/50 , H04N19/61 , H04N19/70 , H04N19/82 , H04N19/98
Abstract: The present invention relates to a method for encoding and decoding image information and to an apparatus using same, and the method for encoding the image information, according to the present invention, comprises the steps of: generating a recovery block; applying a deblocking filter to the recovery block; applying a sample adaptive offset (SAO) to the recovery block to which the deblocking filter is applied; and transmitting the image information including information on the SAO which is applied, wherein in the step of transmitting, information for specifying bands that cover a scope of a pixel value, to which a band off set is applied, is transmitted when the band offset is applied during the step of applying the SAO.
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公开(公告)号:US20160330454A1
公开(公告)日:2016-11-10
申请号:US15213694
申请日:2016-07-19
Applicant: LG ELECTRONICS INC.
Inventor: Jaehyun LIM , Jungsun KIM , Seungwook PARK , Jaewon SUNG , Byeongmoon JEON , Joonyoung PARK , Yongjoon JEON , Younghee CHOI
IPC: H04N19/159 , H04N19/593 , H04N19/176 , H04N19/61 , H04N19/105 , H04N19/11
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.
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公开(公告)号:US20150195534A1
公开(公告)日:2015-07-09
申请号:US14658895
申请日:2015-03-16
Applicant: LG Electronics Inc.
Inventor: Seungwook PARK , Jaehyun LIM , Jungsun KIM , Joonyoung PARK , Younghee CHOI , Byeongmoon JEON , Yongjoon JEON
IPC: H04N19/117 , H04N19/13 , H04N19/139 , H04N19/176 , H04N19/186
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.
Abstract translation: 本发明涉及一种图像信息编码和解码方法及其装置。 根据本发明的图像信息编码方法的一个实施例,作为根据本发明的另一实施例的图像信息编码方法,包括以下步骤:产生恢复块; 在恢复块上应用去块滤波器; 在其上施加了去块滤波器的恢复块上应用采样自适应偏移(SAO); 并传送关于SAO申请的信息。 在应用SAO时,将SAO应用于色度像素,并且在信息发送期间,除了关于SAO是否应用于色度像素的信息之外,还包括区域信息,SAO的分割信息中的至少一个 覆盖区域,SAO类型信息和SAO偏移信息。
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204.
公开(公告)号:US20150156516A1
公开(公告)日:2015-06-04
申请号:US14615724
申请日:2015-02-06
Applicant: LG ELECTRONICS INC.
Inventor: Seungwook PARK , Jaehyun LIM , Yongjoon JEON , Chulkeun KIM , Jungsun KIM , Naeri PARK , Hendry HENDRY , Byeongmoon JEON , Joonyoung PARK
IPC: H04N19/86 , H04N19/172 , H04N19/82 , H04N19/117 , H04N19/136
CPC classification number: H04N19/86 , G06T5/001 , H04N7/26244 , H04N7/26888 , H04N7/30 , H04N7/50 , H04N19/117 , H04N19/134 , H04N19/136 , H04N19/14 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/196 , H04N19/60 , H04N19/61 , H04N19/82
Abstract: The present invention relates to a deblocking filtering method, a method for inducing bs (boundary strength) therefor, and a method and an apparatus for encoding/decoding using the same. The method for inducing the bS of the present invention comprises the steps of: inducing a boundary of a deblocking filtering unit block as a unit block for applying the deblocking filtering; and setting the bS according to each bS setting unit block within the deblocking filtering unit block, wherein the bS setting step can set a bS value for a target boundary corresponding to a boundary of the deblocking filtering unit block as the bs setting unit block.
Abstract translation: 本发明涉及一种解块滤波方法,一种用于诱导bs(边界强度)的方法和一种使用该解块滤波方法进行编码/解码的方法和装置。 诱导本发明的bS的方法包括以下步骤:引导解块滤波单元块的边界作为用于应用去块滤波的单元块; 并且根据每个bS设置单元块在去块滤波单元块内设置bS,其中bS设置步骤可以将与解块滤波单元块的边界相对应的目标边界的bS值设置为bs设置单位块。
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公开(公告)号:US20130077689A1
公开(公告)日:2013-03-28
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
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.
Abstract translation: 本发明涉及用于对视频信号进行编码或解码的方法和装置。 根据本发明,获取并组合多个用于当前单位的图像预测的参考单元以获得单位预测值,从而提高图像预测的准确度。 更具体地,本发明涉及一种使用运动矢量预测值或在常规帧间预测中使用的运动矢量来诱导各种参考单元的方法,并且还涉及一种组合参考单元以便 获取当前单位的预测值。 此外,本发明涉及一种涉及获取用于合并模式的多个参考单元并组合参考单元以执行图像预测的方法。
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公开(公告)号:US20250142117A1
公开(公告)日:2025-05-01
申请号:US19009621
申请日:2025-01-03
Applicant: LG Electronics Inc.
Inventor: Jungsun KIM , Seungwook PARK , Jaewon SUNG , Joonyoung PARK , Byeongmoon JEON , Jaehyun LIM , Yongjoon JEON , Younghee CHOI
IPC: H04N19/593 , H04N19/70 , H04N19/96
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.
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公开(公告)号:US20250106384A1
公开(公告)日:2025-03-27
申请号:US18899462
申请日:2024-09-27
Applicant: LG ELECTRONICS INC.
Inventor: Hendry TAN , Junghak NAM , Jaehyun LIM , Seunghwan KIM
IPC: H04N19/105 , H04N19/172 , H04N19/70
Abstract: An image decoding method including obtaining a neural network post-filter (NNPF) group (NNPFG) characteristics (NNPFGC) supplemental enhancement information (SEI) message specifying information related to a group of two or more NNPFs to be applied to image data; obtaining a first list of output images that are output by one or more of the two or more NNPFs; obtaining a number of output images of the first list that are to be included in a final output of images; based on the obtained number being greater than zero, setting one or more indicators for the output images indicating whether each output image is to be included in the final output of images; and based on the first list and the one or more indicators, generating a second list of images that are to be output in the final output of images.
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208.
公开(公告)号:US20250080746A1
公开(公告)日:2025-03-06
申请号:US18726297
申请日:2022-12-22
Applicant: LG ELECTRONICS INC.
Inventor: Donggyu GWAK , Jaehyun LIM
IPC: H04N19/136 , H04N19/172 , H04N19/70
Abstract: Provided are a feature encoding/decoding method and device, and a computer-readable recording medium generated by the feature encoding method. The feature decoding method according to the present disclosure is performed by a feature decoding device, and comprises the steps of: acquiring, from a bit-stream, parameter information related to a plurality of layers; and recovering feature information about the plurality of layers on the basis of the parameter information, wherein the parameter information can include information about the number of feature channels and/or information about a quantization parameter (QP).
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209.
公开(公告)号:US20240388735A1
公开(公告)日:2024-11-21
申请号:US18789948
申请日:2024-07-31
Applicant: LG ELECTRONICS INC.
Inventor: Junghak NAM , Seunghwan KIM , Hyeongmoon JANG , Jaehyun LIM
IPC: H04N19/64 , H04N19/176 , H04N19/46 , H04N19/96
Abstract: An image decoding method performed by means of a decoding device according to the present invention comprises the steps of: obtaining first split information relating to a first target block; if the first split information indicates that the first target block is to be split, splitting the first target block into first sub-blocks; obtaining MPT split information relating to a second target block which is one of the first sub-blocks of the first target block; splitting the second target block into second sub-blocks on the basis of the MPT split information; and decoding the second sub-blocks, wherein the second sub-blocks are non-square blocks.
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公开(公告)号:US20240388713A1
公开(公告)日:2024-11-21
申请号:US18783991
申请日:2024-07-25
Applicant: LG Electronics Inc.
Inventor: Mehdi SALEHIFAR , Seunghwan KIM , Jaehyun LIM , Moonmo KOO
IPC: H04N19/122 , H04N19/167 , H04N19/176 , H04N19/91
Abstract: An image decoding method performed by means of a decoding device according to the present disclosure comprises the steps of: deriving transform coefficients of a target block from a bitstream; deriving a non-separable secondary transform (NSST) index with respect to the target block; performing inverse transform with respect to the transform coefficients of the target block on the basis of the NSST index and thus deriving residual samples of the target block; and generating a reconstructed picture on the basis of the residual samples.
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