KR102447508B1 - 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 - Google Patents

인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 Download PDF

Info

Publication number
KR102447508B1
KR102447508B1 KR1020217020284A KR20217020284A KR102447508B1 KR 102447508 B1 KR102447508 B1 KR 102447508B1 KR 1020217020284 A KR1020217020284 A KR 1020217020284A KR 20217020284 A KR20217020284 A KR 20217020284A KR 102447508 B1 KR102447508 B1 KR 102447508B1
Authority
KR
South Korea
Prior art keywords
ctu
block
region
current block
determining
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.)
Active
Application number
KR1020217020284A
Other languages
English (en)
Korean (ko)
Other versions
KR20210089785A (ko
Inventor
샤오중 쉬
산 류
샹 리
Original Assignee
텐센트 아메리카 엘엘씨
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 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Priority to KR1020227032873A priority Critical patent/KR20220133319A/ko
Publication of KR20210089785A publication Critical patent/KR20210089785A/ko
Application granted granted Critical
Publication of KR102447508B1 publication Critical patent/KR102447508B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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)
  • Magnetic Heads (AREA)
  • Color Television Systems (AREA)
KR1020217020284A 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 Active KR102447508B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020227032873A KR20220133319A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962791862P 2019-01-13 2019-01-13
US62/791,862 2019-01-13
US16/502,822 US10701385B1 (en) 2019-01-13 2019-07-03 Method and apparatus for reference sample memory reuse for intra picture block compensation
US16/502,822 2019-07-03
PCT/US2020/013355 WO2020146882A1 (en) 2019-01-13 2020-01-13 Method and apparatus for reference sample memory reuse for intra picture block compensation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020227032873A Division KR20220133319A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20210089785A KR20210089785A (ko) 2021-07-16
KR102447508B1 true KR102447508B1 (ko) 2022-09-27

Family

ID=71125099

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020217020284A Active KR102447508B1 (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020227032873A Ceased KR20220133319A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020227032873A Ceased KR20220133319A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

Country Status (6)

Country Link
US (6) US10701385B1 (enExample)
EP (1) EP3763126A4 (enExample)
JP (3) JP7027617B2 (enExample)
KR (2) KR102447508B1 (enExample)
CN (2) CN113273200B (enExample)
WO (1) WO2020146882A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12167011B2 (en) 2019-01-13 2024-12-10 Tencent America LLC Extending search range for reference blocks beyond current CTU

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3389276B1 (en) 2014-09-30 2021-01-13 Microsoft Technology Licensing, LLC Hash-based encoder decisions for video coding
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US10771799B2 (en) 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
CN112913250B (zh) * 2019-03-04 2023-10-20 华为技术有限公司 编码器、解码器及对任意ctu尺寸使用ibc搜索范围优化的对应方法
CN114666602B (zh) * 2019-03-09 2024-06-14 腾讯美国有限责任公司 视频编解码方法、装置及介质
MX2022011463A (es) 2020-03-21 2022-10-07 Beijing Bytedance Network Tech Co Ltd Combinacion de subimagenes y escalabilidad.
CN115428464A (zh) 2020-04-19 2022-12-02 抖音视界有限公司 视频编解码的缩放窗口
US11202085B1 (en) * 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks
EP4154533A4 (en) * 2020-06-20 2023-11-01 Beijing Bytedance Network Technology Co., Ltd. CROSS-LAYER PREDICTION WITH DIFFERENT CODING BLOCK SIZE
CN114079780B (zh) 2020-08-20 2024-10-25 腾讯科技（深圳）有限公司 视频解码方法、视频编码方法、装置、设备及存储介质
US11496729B2 (en) * 2020-10-19 2022-11-08 Tencent America LLC Method and apparatus for video coding
US11503336B2 (en) 2020-12-07 2022-11-15 Tencent America LLC Method and apparatus for video coding
US20250168348A1 (en) * 2023-11-22 2025-05-22 Tencent America LLC Adaptive clipping in models parameters derivations methods for video compression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
CN105430417B (zh) * 2014-09-22 2020-02-07 中兴通讯股份有限公司 编码方法、解码方法、装置及电子设备
US10432966B2 (en) 2015-04-13 2019-10-01 Mediatek Inc. Methods of constrained intra block copy for reducing worst case bandwidth in video coding
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Xiaozhong Xu et al, CE8: CPR reference memory reuse without increasing memory requirement(CE8.1.2a and CE8.1.2d), JVET of ITU-T and ISO/IEC, JVET-M0407 version 2 (2019.01.10.) 1부.*
Xiaozhong Xu et al, CE8-related: CPR mode with local search range optimization, MPEG 124th, m44321 version 1 (2018.09.25.) 1부.*

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12167011B2 (en) 2019-01-13 2024-12-10 Tencent America LLC Extending search range for reference blocks beyond current CTU

Also Published As

Publication number Publication date
US20230007289A1 (en) 2023-01-05
US20250080767A1 (en) 2025-03-06
JP2022508273A (ja) 2022-01-19
JP2024016276A (ja) 2024-02-06
KR20210089785A (ko) 2021-07-16
KR20220133319A (ko) 2022-10-04
CN116016914A (zh) 2023-04-25
US11483581B2 (en) 2022-10-25
EP3763126A1 (en) 2021-01-13
US20200228818A1 (en) 2020-07-16
US11785240B2 (en) 2023-10-10
EP3763126A4 (en) 2022-03-02
JP2022059032A (ja) 2022-04-12
US20230412829A1 (en) 2023-12-21
US12167011B2 (en) 2024-12-10
CN116016914B (zh) 2025-02-07
WO2020146882A1 (en) 2020-07-16
US10701385B1 (en) 2020-06-30
JP7391121B2 (ja) 2023-12-04
CN113273200B (zh) 2022-11-29
JP7612814B2 (ja) 2025-01-14
JP7027617B2 (ja) 2022-03-01
US20210258596A1 (en) 2021-08-19
CN113273200A (zh) 2021-08-17
US20200288160A1 (en) 2020-09-10
US11039158B2 (en) 2021-06-15

Similar Documents

Publication Publication Date Title
KR102447508B1 (ko) 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR102465419B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102497697B1 (ko) 병렬 처리로 히스토리 기반 모션 벡터 예측을 위한 방법 및 장치
KR102838307B1 (ko) 인트라 픽처 블록 보상을 위한 디코딩된 블록 벡터의 변환
KR102721616B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102454760B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102572355B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20210074379A (ko) 아핀 선형 가중 인트라 예측 모드를 위한 단순화된 시그널링 방법
KR20210145794A (ko) 비디오 코딩을 위한 방법 및 장치
KR20210068512A (ko) 비디오 코딩을 위한 방법 및 장치
KR20210091316A (ko) 인트라 픽처 블록 보상을 위한 통합 블록 벡터 예측
KR102522112B1 (ko) 서브-블록 기반 시간 움직임 벡터 예측을 위한 방법 및 장치
KR20210079363A (ko) 비디오 코딩에서 이웃 블록 가용성을 위한 방법 및 장치
KR102461780B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20210077766A (ko) 비디오 코딩을 위한 방법 및 장치
KR20210068102A (ko) 예측자 후보 리스트 크기를 시그널링하는 방법 및 장치
US10735758B2 (en) Method and apparatus for video coding
KR20210107858A (ko) 비디오 코딩을 위한 방법 및 장치
CA3132337A1 (en) Method and apparatus for predictor candidate list size signaling for intra picture block compensation
KR20210080525A (ko) 비디오 코딩을 위한 방법 및 장치
KR20210130800A (ko) 비디오 코딩을 위한 방법 및 장치
KR20210069720A (ko) 작은 코딩 블록들에 대한 단순화된 병합 리스트 구성
KR20210134796A (ko) 비디오 코딩을 위한 방법 및 장치
CA3131692A1 (en) Determination of block vector for a block in a region of a coding tree block
KR20210134039A (ko) 비디오 코딩을 위한 방법 및 장치

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

Patent event date: 20210629

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210629

Comment text: Request for Examination of Application

PG1501 Laying open of application
PA0302 Request for accelerated examination

Patent event date: 20211224

Patent event code: PA03022R01D

Comment text: Request for Accelerated Examination

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20220222

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20220621

GRNT Written decision to grant
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20220921

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20220921

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20220922

End annual number: 3

Start annual number: 1

PG1601 Publication of registration