KR20220112840A - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

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KR20220112840A
KR20220112840A KR1020227024887A KR20227024887A KR20220112840A KR 20220112840 A KR20220112840 A KR 20220112840A KR 1020227024887 A KR1020227024887 A KR 1020227024887A KR 20227024887 A KR20227024887 A KR 20227024887A KR 20220112840 A KR20220112840 A KR 20220112840A
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transform
partitioning
quadratic
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마드후 페린가세리 크리스흐난
삼루드히 야쉬원트 카후
신 자오
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/44—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/102—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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134—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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227024887A 2020-11-11 2021-06-29 비디오 코딩을 위한 방법 및 장치 Ceased KR20220112840A (ko)

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US202063112533P 2020-11-11 2020-11-11
US63/112,533 2020-11-11
US17/361,239 US20220150518A1 (en) 2020-11-11 2021-06-28 Method and apparatus for video coding
US17/361,239 2021-06-28
PCT/US2021/039642 WO2022103445A1 (en) 2020-11-11 2021-06-29 Method and apparatus for video coding

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US (1) US20220150518A1 (enExample)
EP (1) EP4062641A4 (enExample)
JP (3) JP7413552B2 (enExample)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024112171A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024112172A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024112156A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12262030B2 (en) * 2022-04-13 2025-03-25 Tencent America LLC Chroma from luma prediction using neighbor luma samples
WO2024138083A1 (en) * 2022-12-22 2024-06-27 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus for transform training and coding

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101994216B1 (ko) * 2009-06-07 2019-06-28 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
US9848197B2 (en) * 2011-03-10 2017-12-19 Qualcomm Incorporated Transforms in video coding
US9787982B2 (en) * 2011-09-12 2017-10-10 Qualcomm Incorporated Non-square transform units and prediction units in video coding
US9807401B2 (en) * 2011-11-01 2017-10-31 Qualcomm Incorporated Transform unit partitioning for chroma components in video coding
US20130128971A1 (en) * 2011-11-23 2013-05-23 Qualcomm Incorporated Transforms in video coding
KR102138197B1 (ko) * 2014-12-08 2020-07-27 성균관대학교산학협력단 영상 압축을 위한 변환생략 여부를 지시하는 방법 및 장치
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
WO2017065525A2 (ko) * 2015-10-13 2017-04-20 삼성전자 주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
US10931947B2 (en) * 2016-05-04 2021-02-23 Sharp Kabushiki Kaisha Systems and methods for coding transform data
WO2017195555A1 (ja) * 2016-05-13 2017-11-16 シャープ株式会社 画像復号装置および画像符号化装置
US11095893B2 (en) * 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
CN116886905A (zh) * 2016-10-14 2023-10-13 世宗大学校产学协力团 影像编码方法、影像解码方法以及传送比特流的方法
WO2018135885A1 (ko) * 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
WO2019045544A1 (ko) * 2017-09-03 2019-03-07 엘지전자 주식회사 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
CN108322745B (zh) * 2018-02-28 2019-12-03 中南大学 一种基于不可分二次变换模式的帧内快速选择方法
KR102650865B1 (ko) * 2018-04-01 2024-03-22 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
MX2020011422A (es) * 2018-06-11 2020-11-24 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
US11595663B2 (en) * 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding
KR20210114386A (ko) * 2019-02-08 2021-09-23 주식회사 윌러스표준기술연구소 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
EP3949423A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. METHODS AND APPARATUS FOR ENCODING VIDEO DATA USING SECONDARY TRANSFORMATION
EP3949407A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling depending on tb level syntax
KR20220006059A (ko) * 2019-05-10 2022-01-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리를 위한 이차 변환 행렬의 선택
MY208365A (en) * 2019-05-15 2025-05-01 Koninklijke Philips Nv Method for encoding/decoding image signal and device therefor
WO2020244656A1 (en) * 2019-06-07 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Conditional signaling of reduced secondary transform in video bitstreams
US11695960B2 (en) * 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
EP3989551A4 (en) * 2019-06-17 2023-05-31 Electronics and Telecommunications Research Institute METHOD AND DEVICE FOR CODING/DECODING IMAGES BASED ON A DIVISION INTO SUB-BLOCKS
WO2020256447A1 (ko) * 2019-06-18 2020-12-24 한국전자통신연구원 2차 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
JP7091479B2 (ja) * 2019-06-25 2022-06-27 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド ２次変換を利用するビデオ信号処理方法及び装置
CN112970251B (zh) * 2019-08-20 2025-03-14 苹果公司 用于对图像信号进行编码/解码的方法及其装置
CN113906737B (zh) * 2019-08-23 2024-05-14 寰发股份有限公司 具有分割限制条件的小尺寸编码单元分割方法和装置
CN114731434B (zh) * 2019-09-21 2023-06-30 Lg电子株式会社 基于变换的图像编码方法及其装置
KR102838955B1 (ko) * 2019-09-21 2025-07-28 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN114651446B (zh) * 2019-09-21 2024-10-18 Lg电子株式会社 基于变换的图像编译方法及其装置
US11206400B2 (en) * 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
AU2019275553B2 (en) * 2019-12-03 2022-10-06 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
WO2021155005A1 (en) * 2020-01-28 2021-08-05 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus on transform and coefficient signaling
US12231685B2 (en) * 2020-02-25 2025-02-18 Hfi Innovation Inc. Methods and apparatus for secondary transform signaling in video coding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024112171A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024112172A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024112156A1 (ko) * 2022-11-24 2024-05-30 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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CN120935364A (zh) 2025-11-11
CN115104308B (zh) 2025-08-15
CN120935363A (zh) 2025-11-11
EP4062641A4 (en) 2023-01-11
US20220150518A1 (en) 2022-05-12
JP2023513609A (ja) 2023-03-31
JP7670799B2 (ja) 2025-04-30
JP7413552B2 (ja) 2024-01-15
CN115104308A (zh) 2022-09-23
JP2024029124A (ja) 2024-03-05
JP2025111550A (ja) 2025-07-30
WO2022103445A1 (en) 2022-05-19

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