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公开(公告)号：US20240298020A1
公开(公告)日：2024-09-05
申请号：US18657026
申请日：2024-05-07
Applicant: Lemon Inc.
IPC: H04N19/436 , H04N19/124 , H04N19/132 , H04N19/154 , H04N19/169 , H04N19/172 , H04N19/186 , H04N19/30 , H04N19/70 , H04N19/82
CPC classification number: H04N19/436 , H04N19/124 , H04N19/132 , H04N19/154 , H04N19/172 , H04N19/186 , H04N19/1883 , H04N19/30 , H04N19/70 , H04N19/82
Abstract: A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample, wherein the NN filter is based on an NN filter model generated using a quality-level indicator (QI) input. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.
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公开(公告)号：US20240276020A1
公开(公告)日：2024-08-15
申请号：US18624889
申请日：2024-04-02
Applicant: Lemon Inc. , Beijing Bytedance Network Technology Co., Ltd. , Bytedance Inc. , Bytedance (HK) Limited
IPC: H04N19/82 , H04N19/117 , H04N19/70
CPC classification number: H04N19/82 , H04N19/117 , H04N19/70
Abstract: A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample. The NN filter is applied based on a syntax element of the video unit. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.
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公开(公告)号：US11647198B2
公开(公告)日：2023-05-09
申请号：US17157698
申请日：2021-01-25
Applicant: Lemon Inc.
Inventor： Zhipin Deng , Kai Zhang , Li Zhang
IPC: H04N19/132 , H04N19/105 , H04N19/176 , H04N19/186
CPC classification number: H04N19/132 , H04N19/105 , H04N19/176 , H04N19/186
Abstract: Example implementations include a method, apparatus and computer-readable medium of video coding, comprising receiving the code block and one or more neighbor samples and determining the value of beta based on at least one of an average chroma value, a midrange chroma value, a median chroma value, an average luma value, a midrange luma value, or a median luma value of two or more neighbor samples.
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公开(公告)号：US20220337853A1
公开(公告)日：2022-10-20
申请号：US17714027
申请日：2022-04-05
Applicant: Lemon Inc.
IPC: H04N19/436 , H04N19/82 , H04N19/136 , H04N19/124 , H04N19/117 , H04N19/146 , H04N19/70 , H04N19/169 , H04N19/31 , H04N19/132
Abstract: A method of processing video data. The method includes selecting an in-loop filter from a plurality of neural network (NN) filter model candidates, wherein the plurality of NN filter model candidates are based on a reconstructed quality level of a video unit, and performing a conversion between a video media file comprising the video unit and a bitstream based on the in-loop filter selected. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
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公开(公告)号：US20220329837A1
公开(公告)日：2022-10-13
申请号：US17714024
申请日：2022-04-05
Applicant: Lemon Inc.
IPC: H04N19/436 , H04N19/70 , H04N19/82 , H04N19/124 , H04N19/132 , H04N19/157
Abstract: A method of processing video data. The method includes determining that a supplemental enhancement information (SEI) message of a bitstream includes indicators specifying one or more neural network (NN) filter model candidates or selections for a video unit or samples within the video unit, and converting between a video media file comprising the video unit and the bitstream based on the indicators. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
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Patent Agency Ranking
公开(公告)号：US20220248025A1
公开(公告)日：2022-08-04
申请号：US17157698
申请日：2021-01-25
Applicant: Lemon Inc.
Inventor： Zhipin Deng , Kai Zhang , Li Zhang
IPC: H04N19/132 , H04N19/105 , H04N19/186 , H04N19/176
Abstract: Example implementations include a method, apparatus and computer-readable medium of video coding, comprising receiving the code block and one or more neighbor samples and determining the value of beta based on at least one of an average chroma value, a midrange chroma value, a median chroma value, an average luma value, a midrange luma value, or a median luma value of two or more neighbor samples.
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公开(公告)号：US12219166B2
公开(公告)日：2025-02-04
申请号：US17200632
申请日：2021-03-12
Applicant: Lemon Inc.
Inventor： Na Zhang , Kai Zhang , Hongbin Liu , Li Zhang , Yue Wang
IPC: H04N19/513 , H04N19/105 , H04N19/132 , H04N19/137 , H04N19/176 , H04N19/186
Abstract: Example implementations include methods, apparatuses and computer storage media for video processing. One example method comprises determining, during a conversion between a current video block of a video and a bitstream of the video, a motion candidate for the current video block; refining the motion candidate by performing a local search around the motion candidate based on a template matching cost rule; and performing the conversion based on the refined motion candidate, wherein a search order of the local search is related to a coding mode of the current video block.
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公开(公告)号：US12022098B2
公开(公告)日：2024-06-25
申请号：US17681427
申请日：2022-02-25
Applicant: Lemon Inc.
IPC: H04N19/30 , H04N19/124 , H04N19/176 , H04N19/186 , H04N19/42 , H04N19/70 , H04N19/82
CPC classification number: H04N19/42 , H04N19/124 , H04N19/176 , H04N19/186 , H04N19/30 , H04N19/70 , H04N19/82
Abstract: A method implemented by a video coding apparatus. The method includes applying an output of a neural network (NN) filter to an unfiltered sample of a video unit to generate a residual, applying a scaling function to the residual to generate a scaled residual, adding another unfiltered sample to the scaled residual to generate a filtered sample, and converting between a video media file and a bitstream based on the filtered sample that was generated. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
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公开(公告)号：US11979591B2
公开(公告)日：2024-05-07
申请号：US17714014
申请日：2022-04-05
Applicant: Lemon Inc.
IPC: H04N19/436 , H04N19/124 , H04N19/132 , H04N19/154 , H04N19/169 , H04N19/172 , H04N19/186 , H04N19/30 , H04N19/70 , H04N19/82
CPC classification number: H04N19/436 , H04N19/124 , H04N19/132 , H04N19/154 , H04N19/172 , H04N19/186 , H04N19/1883 , H04N19/30 , H04N19/70 , H04N19/82
Abstract: A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample, wherein the NN filter is based on an NN filter model generated using a quality-level indicator (QI) input. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.
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公开(公告)号：US11902537B2
公开(公告)日：2024-02-13
申请号：US17837867
申请日：2022-06-10
Applicant: Lemon Inc.
Inventor： Yang Wang , Kai Zhang , Li Zhang , Yuwen He , Hongbin Liu
IPC: H04N19/159 , H04N19/70 , H04N19/176 , H04N19/147
CPC classification number: H04N19/159 , H04N19/147 , H04N19/176 , H04N19/70
Abstract: Example implementations include a method, apparatus and computer-readable medium of video processing, including constructing, during a conversion between a current video block of a video and a bitstream of the video, at least one template set for the current video block from a plurality of sub-templates. The one or more sub-templates may be selected from a plurality of sub-templates including: a left sub-template, an above sub-template, a right-above sub-template, a left-below sub-template, and a left-above sub-template. The implementations further include deriving at least one intra-prediction mode (IPM) based on cost calculations. The implementations include determining, based on the at least one IPM, a final predictor of the current video block. The implementations include performing the conversion based on the final predictor.
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