KR20240125959A - 블록 기반 비디오 코딩을 위한 부호 예측 - Google Patents

블록 기반 비디오 코딩을 위한 부호 예측 Download PDF

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Publication number
KR20240125959A
KR20240125959A KR1020247023641A KR20247023641A KR20240125959A KR 20240125959 A KR20240125959 A KR 20240125959A KR 1020247023641 A KR1020247023641 A KR 1020247023641A KR 20247023641 A KR20247023641 A KR 20247023641A KR 20240125959 A KR20240125959 A KR 20240125959A
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KR
South Korea
Prior art keywords
video
transform coefficients
candidate
transform
sign
Prior art date
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Pending
Application number
KR1020247023641A
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English (en)
Korean (ko)
Inventor
샤오위 시우
닝 옌
이-웬 첸
체-웨이 쿠오
웨이 첸
홍-젱 주
한 가오
샹린 왕
빙 유
Original Assignee
베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US2022/040442 external-priority patent/WO2023023039A1/en
Priority claimed from PCT/US2022/043607 external-priority patent/WO2023043885A1/en
Priority claimed from PCT/US2022/049264 external-priority patent/WO2023086330A1/en
Application filed by 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 filed Critical 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드
Publication of KR20240125959A publication Critical patent/KR20240125959A/ko
Pending legal-status Critical Current

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Classifications

    • 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]
    • 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/60—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
    • H04N19/70—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

Landscapes

  • 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)
KR1020247023641A 2021-12-16 2022-12-16 블록 기반 비디오 코딩을 위한 부호 예측 Pending KR20240125959A (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US202163290307P 2021-12-16 2021-12-16
US63/290,307 2021-12-16
USPCT/US2022/040442 2022-08-16
PCT/US2022/040442 WO2023023039A1 (en) 2021-08-17 2022-08-16 Sign prediction for block-based video coding
PCT/US2022/043607 WO2023043885A1 (en) 2021-09-15 2022-09-15 Sign prediction for block-based video coding
USPCT/US2022/043607 2022-09-15
USPCT/US2022/049264 2022-11-08
PCT/US2022/049264 WO2023086330A1 (en) 2021-11-10 2022-11-08 Sign prediction for block-based video coding
PCT/US2022/053150 WO2023114468A1 (en) 2021-12-16 2022-12-16 Sign prediction for block-based video coding

Publications (1)

Publication Number Publication Date
KR20240125959A true KR20240125959A (ko) 2024-08-20

Family

ID=86773504

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247023641A Pending KR20240125959A (ko) 2021-12-16 2022-12-16 블록 기반 비디오 코딩을 위한 부호 예측

Country Status (5)

Country Link
EP (1) EP4449722A4 (enExample)
JP (1) JP2024546895A (enExample)
KR (1) KR20240125959A (enExample)
MX (1) MX2024007341A (enExample)
WO (1) WO2023114468A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4748078A1 (en) * 2023-07-18 2026-05-27 Tencent America LLC Transform selection for template matching based intra prediction at subblock level

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2721822T3 (en) * 2011-06-16 2019-02-18 Ge Video Compression Llc Entropy coding of motion vector differences
US9202262B2 (en) * 2014-01-31 2015-12-01 Sony Corporation Optimized method for estimating the dominant gradient direction of a digital image area
US9380312B2 (en) * 2014-07-14 2016-06-28 Apple Inc. Encoding blocks in video frames containing text using histograms of gradients
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
WO2019172798A1 (en) * 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
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

Also Published As

Publication number Publication date
JP2024546895A (ja) 2024-12-26
WO2023114468A1 (en) 2023-06-22
EP4449722A1 (en) 2024-10-23
MX2024007341A (es) 2024-06-26
EP4449722A4 (en) 2025-12-17

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