JP7338054B2 - 分離した制約付き方向性強調フィルタ - Google Patents

分離した制約付き方向性強調フィルタ Download PDF

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JP7338054B2
JP7338054B2 JP2022523512A JP2022523512A JP7338054B2 JP 7338054 B2 JP7338054 B2 JP 7338054B2 JP 2022523512 A JP2022523512 A JP 2022523512A JP 2022523512 A JP2022523512 A JP 2022523512A JP 7338054 B2 JP7338054 B2 JP 7338054B2
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luma
chroma
block
presets
components
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JP2022553320A (ja
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イシン・ドゥ
リャン・ジャオ
シン・ジャオ
シャン・リュウ
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Tencent America LLC
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Tencent America LLC
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022523512A 2020-06-18 2021-02-02 分離した制約付き方向性強調フィルタ Active JP7338054B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023134844A JP7571228B2 (ja) 2020-06-18 2023-08-22 分離した制約付き方向性強調フィルタ
JP2024177337A JP7827803B2 (ja) 2020-06-18 2024-10-09 分離した制約付き方向性強調フィルタ

Applications Claiming Priority (5)

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US202063040856P 2020-06-18 2020-06-18
US63/040,856 2020-06-18
US17/091,759 2020-11-06
US17/091,759 US11483557B2 (en) 2020-06-18 2020-11-06 Separate constrained directional enhancement filter
PCT/US2021/016202 WO2021257125A1 (en) 2020-06-18 2021-02-02 Separate constrained directional enhancement filter

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JP2023134844A Division JP7571228B2 (ja) 2020-06-18 2023-08-22 分離した制約付き方向性強調フィルタ

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JP2022553320A JP2022553320A (ja) 2022-12-22
JP7338054B2 true JP7338054B2 (ja) 2023-09-04

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JP2022523512A Active JP7338054B2 (ja) 2020-06-18 2021-02-02 分離した制約付き方向性強調フィルタ
JP2023134844A Active JP7571228B2 (ja) 2020-06-18 2023-08-22 分離した制約付き方向性強調フィルタ
JP2024177337A Active JP7827803B2 (ja) 2020-06-18 2024-10-09 分離した制約付き方向性強調フィルタ

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JP2024177337A Active JP7827803B2 (ja) 2020-06-18 2024-10-09 分離した制約付き方向性強調フィルタ

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US (3) US11483557B2 (https=)
EP (2) EP4546771A3 (https=)
JP (3) JP7338054B2 (https=)
KR (2) KR20250164320A (https=)
CN (2) CN121750860A (https=)
WO (1) WO2021257125A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12348789B1 (en) * 2021-07-22 2025-07-01 Meta Platforms, Inc. Optimization of constrained directional enhancement filtering (CDEF)
EP4344201A1 (en) 2022-09-23 2024-03-27 Dolby Laboratories Licensing Corporation Cross-asset guided chroma reformatting for multi-asset imaging format
WO2024091094A1 (ko) * 2022-10-28 2024-05-02 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
EP4462777A1 (en) * 2023-05-11 2024-11-13 Ateme Method for image processing and apparatus for implementing the same

Citations (2)

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US20190045186A1 (en) 2018-05-31 2019-02-07 Intel Corporation Constrained directional enhancement filter selection for video coding
US20190052877A1 (en) 2018-07-30 2019-02-14 Intel Corporation Adaptive in-loop filtering for video coding

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US7437013B2 (en) * 2003-12-23 2008-10-14 General Instrument Corporation Directional spatial video noise reduction
US7565020B2 (en) * 2004-07-03 2009-07-21 Microsoft Corp. System and method for image coding employing a hybrid directional prediction and wavelet lifting
US8634463B2 (en) * 2006-04-04 2014-01-21 Qualcomm Incorporated Apparatus and method of enhanced frame interpolation in video compression
US20170302965A1 (en) * 2016-04-15 2017-10-19 Google Inc. Adaptive directional loop filter
PL3804314T3 (pl) * 2018-05-29 2024-05-20 Interdigital Vc Holdings, Inc. Sposób i urządzenie do kodowania i dekodowania wideo z częściowo współdzielonymi drzewami kodowania luma i chroma
US10687083B2 (en) * 2018-06-06 2020-06-16 Intel Corporation Loop restoration filtering for super resolution video coding
US10645409B2 (en) * 2018-06-26 2020-05-05 Google Llc Super-resolution loop restoration
KR102154407B1 (ko) * 2018-11-15 2020-09-09 한국전자기술연구원 타일 기반 스트리밍을 위한 모션 제한 av1 영상 부호화 방법 및 장치
JP2020107948A (ja) 2018-12-26 2020-07-09 日本電気株式会社 映像符号化又は復号装置、及び映像符号化又は復号方法
PL3903484T3 (pl) * 2018-12-30 2025-11-17 Hfi Innovation Inc. Urządzenie i sposób kodowania za pomocą oddzielnych drzew kodowania luminacji i chrominancji z ograniczeniami
CN116193132A (zh) * 2019-01-03 2023-05-30 华为技术有限公司 色度块的预测方法和装置
US10652535B1 (en) * 2019-02-27 2020-05-12 Google Llc Memory-efficient filtering approach for image and video coding
US11303936B2 (en) * 2020-02-21 2022-04-12 Tencent America LLC Method and apparatus for filtering
US11750846B2 (en) * 2021-03-22 2023-09-05 Tencent America LLC Method and apparatus for video filtering

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US20190045186A1 (en) 2018-05-31 2019-02-07 Intel Corporation Constrained directional enhancement filter selection for video coding
US20190052877A1 (en) 2018-07-30 2019-02-14 Intel Corporation Adaptive in-loop filtering for video coding

Non-Patent Citations (1)

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Title
Steinar Midtskogen, and Jean-Marc Valin，THE AV1 CONSTRAINED DIRECTIONAL ENHANCEMENT FILTER (CDEF)，ICASSP 2018，IEEE，2018年，pp.1193-1197

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Publication number Publication date
KR20250164320A (ko) 2025-11-24
JP7827803B2 (ja) 2026-03-10
EP4546771A3 (en) 2025-07-02
CN121750860A (zh) 2026-03-27
CN114731400A (zh) 2022-07-08
EP3987783B1 (en) 2025-04-23
KR102882839B1 (ko) 2025-11-10
CN114731400B (zh) 2026-01-30
US11483557B2 (en) 2022-10-25
US20230016219A1 (en) 2023-01-19
US20250055992A1 (en) 2025-02-13
US12225192B2 (en) 2025-02-11
EP3987783A4 (en) 2022-08-24
JP7571228B2 (ja) 2024-10-22
JP2023156500A (ja) 2023-10-24
US20210400266A1 (en) 2021-12-23
EP3987783A1 (en) 2022-04-27
KR20220051405A (ko) 2022-04-26
JP2022553320A (ja) 2022-12-22
EP4546771A2 (en) 2025-04-30
WO2021257125A1 (en) 2021-12-23
JP2024180483A (ja) 2024-12-26

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