KR20240089081A - 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 - Google Patents

비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 Download PDF

Info

Publication number
KR20240089081A
KR20240089081A KR1020247013794A KR20247013794A KR20240089081A KR 20240089081 A KR20240089081 A KR 20240089081A KR 1020247013794 A KR1020247013794 A KR 1020247013794A KR 20247013794 A KR20247013794 A KR 20247013794A KR 20240089081 A KR20240089081 A KR 20240089081A
Authority
KR
South Korea
Prior art keywords
predicted
residual
current block
sign
transform coefficient
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
KR1020247013794A
Other languages
English (en)
Korean (ko)
Inventor
모함메드 고램 사르워
얀 예
지에 첸
루링 랴오
Original Assignee
알리바바 다모 (항저우) 테크놀로지 씨오., 엘티디.
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
Application filed by 알리바바 다모 (항저우) 테크놀로지 씨오., 엘티디. filed Critical 알리바바 다모 (항저우) 테크놀로지 씨오., 엘티디.
Publication of KR20240089081A publication Critical patent/KR20240089081A/ko
Pending legal-status Critical Current

Links

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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/13—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
    • H04N19/70—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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020247013794A 2021-09-29 2022-09-29 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 Pending KR20240089081A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163250202P 2021-09-29 2021-09-29
US63/250,202 2021-09-29
US202263296370P 2022-01-04 2022-01-04
US63/296,370 2022-01-04
PCT/SG2022/050706 WO2023055300A2 (en) 2021-09-29 2022-09-29 Improved residual sign prediction of transform coefficients in video coding

Publications (1)

Publication Number Publication Date
KR20240089081A true KR20240089081A (ko) 2024-06-20

Family

ID=85706105

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247013794A Pending KR20240089081A (ko) 2021-09-29 2022-09-29 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측

Country Status (5)

Country Link
US (2) US12445651B2 (https=)
EP (1) EP4409880A4 (https=)
JP (1) JP2024533258A (https=)
KR (1) KR20240089081A (https=)
WO (1) WO2023055300A2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021002773A (ja) 2019-06-21 2021-01-07 キヤノン株式会社 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法
JP7403245B2 (ja) * 2019-06-21 2023-12-22 キヤノン株式会社 画像復号装置、画像復号方法
JP7403246B2 (ja) 2019-06-21 2023-12-22 キヤノン株式会社 画像復号装置、画像復号方法
US12563234B2 (en) 2021-08-17 2026-02-24 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
JP7813353B2 (ja) * 2021-09-15 2026-02-12 ベイジン ダージャー インターネット インフォメーション テクノロジー カンパニー リミテッド ブロックベースのビデオ符号化のための符号予測
CN118235412A (zh) * 2021-11-10 2024-06-21 北京达佳互联信息技术有限公司 基于块的视频编解码的符号预测
KR20250073684A (ko) * 2023-04-20 2025-05-27 텐센트 아메리카 엘엘씨 블록 레벨 부호 예측 적응
WO2025193987A1 (en) * 2024-03-15 2025-09-18 Tencent America LLC On improvement of transform kernel derivation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY208069A (en) * 2018-03-07 2025-04-11 Huawei Tech Co Ltd Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
KR102419112B1 (ko) * 2018-03-07 2022-07-07 후아웨이 테크놀러지 컴퍼니 리미티드 변환 도메인에서 잔차 부호 예측 방법 및 장치
CN111372083B (zh) * 2020-03-19 2023-03-31 宁波大学 一种基于层间处理的shvc视频加密方法
US20240298009A1 (en) * 2021-08-17 2024-09-05 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
EP4503608A4 (en) * 2022-03-24 2026-03-18 Lg Electronics Inc IMAGE DECODING METHOD AND DEVICE

Also Published As

Publication number Publication date
JP2024533258A (ja) 2024-09-12
EP4409880A4 (en) 2025-09-03
US20230093994A1 (en) 2023-03-30
WO2023055300A2 (en) 2023-04-06
EP4409880A2 (en) 2024-08-07
US20260019643A1 (en) 2026-01-15
WO2023055300A3 (en) 2023-07-20
WO2023055300A9 (en) 2023-08-10
US12445651B2 (en) 2025-10-14

Similar Documents

Publication Publication Date Title
JP7679301B2 (ja) 映像コンテンツを処理するための方法及びシステム
KR20240089081A (ko) 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측
TWI813922B (zh) 從視訊位元流解碼影像和編碼影像為視訊位元流的方法及其解碼設備和編碼設備以及非暫態電腦可讀取媒體
CN114793280A (zh) 用于跨分量预测的方法和装置
AU2019350336B2 (en) Image encoding/decoding method and device
CN114885160B (zh) 视频编解码方法、装置、计算机可读介质及电子设备
JP2024533298A (ja) ビデオコーディングにおけるマージ候補リスト中の改善された時間マージ候補
US10638155B2 (en) Apparatus for video encoding, apparatus for video decoding, and non-transitory computer-readable storage medium
KR20240134153A (ko) 디코더 측 크로마 인트라 예측 모드 그래디언트 기반 도출
CN114501019A (zh) 关于划分预测
JP7813353B2 (ja) ブロックベースのビデオ符号化のための符号予測
TW202126050A (zh) 用於編碼及解碼視訊取樣區段的方法， 設備及系統
US12489886B2 (en) Deriving bi-prediction with coding unit-level weight indices for merge candidates
JP7821879B2 (ja) ブロックベースのビデオ符号化のための符号予測
CN113906754A (zh) 图像编码/解码方法和设备
JP2017073602A (ja) 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
JP2025501981A (ja) ブロックベースの映像コーディングのための符号予測
KR20240125959A (ko) 블록 기반 비디오 코딩을 위한 부호 예측
JP2023521678A (ja) 組み合わせられた可逆及び非可逆符号化のための方法及びシステム
CN118077199A (zh) 改进的变换系数残差符号预测在视频编码中的相关应用
US20250392734A1 (en) Template matching for geometric partitioning for motion prediction
HK40074041A (en) Video encoding and decoding method, apparatus, computer readable medium, and electronic device
CN120530627A (zh) 视频编解码方法、装置、设备、系统、及存储介质
AU2020202057A1 (en) Method, apparatus and system for encoding and decoding a block of video samples

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000