JP7617942B2 - 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用 - Google Patents

変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用 Download PDF

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JP7617942B2
JP7617942B2 JP2022560506A JP2022560506A JP7617942B2 JP 7617942 B2 JP7617942 B2 JP 7617942B2 JP 2022560506 A JP2022560506 A JP 2022560506A JP 2022560506 A JP2022560506 A JP 2022560506A JP 7617942 B2 JP7617942 B2 JP 7617942B2
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transform
block
type
video
partition
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JP2023525214A (ja
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マドゥー・ペリンガーサリー・クリシュナン
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
    • H04N19/119—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022560506A 2021-04-16 2022-01-28 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用 Active JP7617942B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024120997A JP7746478B2 (ja) 2021-04-16 2024-07-26 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用
JP2025152962A JP2026012669A (ja) 2021-04-16 2025-09-16 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163175897P 2021-04-16 2021-04-16
US63/175,897 2021-04-16
US17/568,275 2022-01-04
US17/568,275 US12309405B2 (en) 2021-04-16 2022-01-04 Interaction between transform partitioning and primary/secondary transform type selection
PCT/US2022/014248 WO2022220904A1 (en) 2021-04-16 2022-01-28 Interaction between transform partitioning and primary/secondary transform type selection

Related Child Applications (1)

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JP2024120997A Division JP7746478B2 (ja) 2021-04-16 2024-07-26 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用

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JP2023525214A JP2023525214A (ja) 2023-06-15
JP7617942B2 true JP7617942B2 (ja) 2025-01-20

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JP2022560506A Active JP7617942B2 (ja) 2021-04-16 2022-01-28 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用
JP2024120997A Active JP7746478B2 (ja) 2021-04-16 2024-07-26 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用
JP2025152962A Pending JP2026012669A (ja) 2021-04-16 2025-09-16 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用

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JP2025152962A Pending JP2026012669A (ja) 2021-04-16 2025-09-16 変換パーティショニングとプライマリ／セカンダリ変換タイプ選択との間の相互作用

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US (2) US12309405B2 (https=)
EP (1) EP4107953A4 (https=)
JP (3) JP7617942B2 (https=)
KR (1) KR20220143895A (https=)
CN (2) CN120151524A (https=)
WO (1) WO2022220904A1 (https=)

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
KR102765982B1 (ko) * 2018-09-02 2025-02-07 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US12526410B2 (en) * 2024-03-21 2026-01-13 Tencent America LLC Systems and methods for recursive inter region partitioning

Citations (4)

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JP2018530245A (ja) 2015-09-29 2018-10-11 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオコーディングのための非分離可能２次変換
US20200092556A1 (en) 2018-09-18 2020-03-19 Google Llc Efficient Use of Quantization Parameters in Machine-Learning Models for Video Coding
US20200162736A1 (en) 2018-11-15 2020-05-21 Electronics And Telecommunications Research Institute Method and apparatus for image processing using quantization parameter
US20200252622A1 (en) 2019-02-01 2020-08-06 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding

Family Cites Families (8)

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US10212444B2 (en) * 2016-01-15 2019-02-19 Qualcomm Incorporated Multi-type-tree framework for video coding
WO2018135885A1 (ko) 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
KR20180085526A (ko) 2017-01-19 2018-07-27 가온미디어 주식회사 효율적 변환을 처리하는 영상 복호화 및 부호화 방법
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
US10735730B2 (en) 2018-03-07 2020-08-04 Tencent America LLC Flexible tree structure
WO2019194515A1 (ko) 2018-04-01 2019-10-10 엘지전자 주식회사 영상의 처리 방법 및 이를 위한 장치
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
EP3881546A4 (en) 2018-12-04 2022-01-26 Huawei Technologies Co., Ltd. VIDEO ENCODER, VIDEO DECODER, AND CORRESPONDING METHOD

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2018530245A (ja) 2015-09-29 2018-10-11 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオコーディングのための非分離可能２次変換
US20200092556A1 (en) 2018-09-18 2020-03-19 Google Llc Efficient Use of Quantization Parameters in Machine-Learning Models for Video Coding
US20200162736A1 (en) 2018-11-15 2020-05-21 Electronics And Telecommunications Research Institute Method and apparatus for image processing using quantization parameter
US20200252622A1 (en) 2019-02-01 2020-08-06 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding

Non-Patent Citations (2)

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Title
Jeongyeon Lim et al.，Description of video coding technology proposal by SK telecom, Sejong Univ. and Sungkyunkwan Univ. [online]，JCTVC-A113（JCTVC-A113.doc）, [2023年11月10日検索]，インターネット ＜URL: http://phenix.it-sudparis.eu/jct/doc_end_user/documents/1_Dresden/wg11/JCTVC-A113.zip＞，2012年03月19日，pp.1-10,40
Peter de Rivaz et al.，AV1 Bitstream & Decoding Process Specification [online]，Alliance for Open Media AV1 video codec, [2023年11月10日検索]，Version 1.0.0，2019年01月08日，インターネット ＜URL: https://aomediacodec.github.io/av1-spec/av1-spec.pdf＞，pp.1,4,27,61-71,84-93,100-101,172-174,177-179,195,305-307

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Publication number Publication date
JP2024167191A (ja) 2024-12-03
JP2026012669A (ja) 2026-01-27
US20250274597A1 (en) 2025-08-28
US20220337854A1 (en) 2022-10-20
EP4107953A1 (en) 2022-12-28
CN120151524A (zh) 2025-06-13
WO2022220904A1 (en) 2022-10-20
US12309405B2 (en) 2025-05-20
KR20220143895A (ko) 2022-10-25
CN115552902B (zh) 2025-03-25
CN115552902A (zh) 2022-12-30
JP2023525214A (ja) 2023-06-15
JP7746478B2 (ja) 2025-09-30
EP4107953A4 (en) 2023-03-15

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