KR102853850B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치

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Publication number
KR102853850B1
KR102853850B1 KR1020227012688A KR20227012688A KR102853850B1 KR 102853850 B1 KR102853850 B1 KR 102853850B1 KR 1020227012688 A KR1020227012688 A KR 1020227012688A KR 20227012688 A KR20227012688 A KR 20227012688A KR 102853850 B1 KR102853850 B1 KR 102853850B1
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act
video
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block
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KR20220058962A (ko
Inventor
롄-페이 천
샹 리
산 류
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텐센트 아메리카 엘엘씨
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/37—Determination of transform parameters for the alignment of images, i.e. image registration using transform domain methods
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/12—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
    • H04N19/10—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
    • H04N19/46—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227012688A 2020-04-13 2021-04-08 비디오 코딩을 위한 방법 및 장치 Active KR102853850B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063009293P 2020-04-13 2020-04-13
US63/009,293 2020-04-13
US17/211,199 US11323732B2 (en) 2020-04-13 2021-03-24 Method and apparatus for video coding
US17/211,199 2021-03-24
PCT/US2021/026309 WO2021211347A1 (en) 2020-04-13 2021-04-08 Method and apparatus for video coding

Publications (2)

Publication Number Publication Date
KR20220058962A KR20220058962A (ko) 2022-05-10
KR102853850B1 true KR102853850B1 (ko) 2025-09-02

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Country Status (6)

Country Link
US (2) US11323732B2 (enExample)
EP (1) EP4018657A4 (enExample)
JP (2) JP7392127B2 (enExample)
KR (1) KR102853850B1 (enExample)
CN (1) CN114450955A (enExample)
WO (1) WO2021211347A1 (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170318301A1 (en) 2014-10-08 2017-11-02 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
WO2021018083A1 (en) 2019-07-26 2021-02-04 Beijing Bytedance Network Technology Co., Ltd. Block size dependent use of video coding mode

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HUP0301368A3 (en) 2003-05-20 2005-09-28 Amt Advanced Multimedia Techno Method and equipment for compressing motion picture data
US9185405B2 (en) 2012-03-23 2015-11-10 Qualcomm Incorporated Coded block flag inference in video coding
KR102445274B1 (ko) 2012-10-01 2022-09-20 지이 비디오 컴프레션, 엘엘씨 향상 레이어에서 변환 계수 블록들의 서브블록-기반 코딩을 이용한 스케일러블 비디오 코딩
US20140376611A1 (en) * 2013-06-21 2014-12-25 Qualcomm Incorporated Adaptive color transforms for video coding
US10645399B2 (en) * 2013-07-23 2020-05-05 Intellectual Discovery Co., Ltd. Method and apparatus for encoding/decoding image
US10271052B2 (en) * 2014-03-14 2019-04-23 Qualcomm Incorporated Universal color-space inverse transform coding
EP3127330A4 (en) * 2014-05-05 2017-12-13 MediaTek Singapore Pte Ltd. Method and apparatus for determining residue transform tree representation
GB2531004A (en) * 2014-10-06 2016-04-13 Canon Kk Residual colour transform signalled at sequence level for specific coding modes
JP6593122B2 (ja) * 2015-11-20 2019-10-23 富士通株式会社 動画像符号化装置、動画像符号化方法、及びプログラム
US11070825B2 (en) * 2019-06-13 2021-07-20 Mediatek Inc. Method and apparatus of encoding or decoding video data with adaptive colour transform

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170318301A1 (en) 2014-10-08 2017-11-02 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
WO2021018083A1 (en) 2019-07-26 2021-02-04 Beijing Bytedance Network Technology Co., Ltd. Block size dependent use of video coding mode

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
K. Kondo, et al. TU split for ACT. JVET of ITU-T and ISO/IEC. JVET-R0378 Ver.1, Apr. 9, 2020, pp.1-3
L-F. Chen, et al. CU Level Transform Size Restriction for Adaptive Color Transform. JVET of ITU-T and ISO/IEC. JVET-R0305 Ver.2, Apr. 9, 2020, pp.1-4
L-F. Chen, et al. CU Level Transform Size Restriction for Adaptive Color Transform. JVET of ITU-T and ISO/IEC. JVET-R0305 Ver.3, Apr. 14, 2020, pp.1-5

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Publication number Publication date
US11838528B2 (en) 2023-12-05
KR20220058962A (ko) 2022-05-10
US11323732B2 (en) 2022-05-03
US20220239936A1 (en) 2022-07-28
EP4018657A4 (en) 2022-10-05
US20210321124A1 (en) 2021-10-14
EP4018657A1 (en) 2022-06-29
JP2024009189A (ja) 2024-01-19
JP7736280B2 (ja) 2025-09-09
CN114450955A (zh) 2022-05-06
JP2022550890A (ja) 2022-12-05
WO2021211347A1 (en) 2021-10-21
JP7392127B2 (ja) 2023-12-05

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