CA3141934A1 - Dc intra mode prediction in video coding - Google Patents

Dc intra mode prediction in video coding

Info

Publication number
CA3141934A1
CA3141934A1 CA3141934A CA3141934A CA3141934A1 CA 3141934 A1 CA3141934 A1 CA 3141934A1 CA 3141934 A CA3141934 A CA 3141934A CA 3141934 A CA3141934 A CA 3141934A CA 3141934 A1 CA3141934 A1 CA 3141934A1
Authority
CA
Canada
Prior art keywords
samples
current block
column
row
block
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
CA3141934A
Other languages
English (en)
French (fr)
Inventor
Adarsh Krishnan RAMASUBRAMONIAN
Geert Van Der Auwera
Luong PHAM VAN
Marta Karczewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3141934A1 publication Critical patent/CA3141934A1/en
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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/10—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
    • H04N19/103—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
    • H04N19/134—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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3141934A 2019-06-20 2020-06-19 Dc intra mode prediction in video coding Pending CA3141934A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962864422P 2019-06-20 2019-06-20
US62/864,422 2019-06-20
US201962866325P 2019-06-25 2019-06-25
US62/866,325 2019-06-25
US16/905,352 US11277616B2 (en) 2019-06-20 2020-06-18 DC intra mode prediction in video coding
US16/905,352 2020-06-18
PCT/US2020/038602 WO2020257559A1 (en) 2019-06-20 2020-06-19 Dc intra mode prediction in video coding

Publications (1)

Publication Number Publication Date
CA3141934A1 true CA3141934A1 (en) 2020-12-24

Family

ID=74038144

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3141934A Pending CA3141934A1 (en) 2019-06-20 2020-06-19 Dc intra mode prediction in video coding

Country Status (18)

Country Link
US (1) US11277616B2 (enExample)
EP (1) EP3987779A1 (enExample)
JP (1) JP7662540B2 (enExample)
KR (1) KR20220024029A (enExample)
CN (2) CN114009045B (enExample)
AU (1) AU2020294783B2 (enExample)
BR (1) BR112021024615A2 (enExample)
CA (1) CA3141934A1 (enExample)
CL (1) CL2021003354A1 (enExample)
CO (1) CO2021017161A2 (enExample)
IL (1) IL288324B2 (enExample)
MX (1) MX2021015788A (enExample)
MY (1) MY210334A (enExample)
PH (1) PH12021552959A1 (enExample)
SA (1) SA521431091B1 (enExample)
TW (1) TWI874414B (enExample)
WO (1) WO2020257559A1 (enExample)
ZA (1) ZA202110594B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11558605B2 (en) * 2020-01-23 2023-01-17 Tencent America LLC Video coding method and system based on multiple reference line intra prediction
EP4409879A1 (en) 2021-09-29 2024-08-07 Ofinno, LLC Intra prediction with multiple precision of angular parameters
WO2024248598A1 (ko) * 2023-06-01 2024-12-05 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4124034B1 (en) * 2010-12-22 2023-08-23 LG Electronics Inc. Intra prediction in video coding
ES2917123B1 (es) * 2015-09-11 2023-04-21 Kt Corp Método para modificar una muestra de predicción basado en interpredicción
EP3453180A4 (en) * 2016-05-04 2020-04-01 Microsoft Technology Licensing, LLC INTRA-IMAGE PREDICTION USING NON-NEIGHBORED REFERENCE LINES OF SCAN VALUES
CN109314782A (zh) * 2016-05-24 2019-02-05 夏普株式会社 用于帧内预测编码的系统和方法
EP3503553A4 (en) * 2016-09-22 2020-07-29 LG Electronics Inc. -1- INTER-PREDICTION PROCESS AND APPARATUS BASED ON LIGHTING COMPENSATION IN AN IMAGE CODING SYSTEM
US10742975B2 (en) 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
CN120568045A (zh) * 2017-10-18 2025-08-29 英迪股份有限公司 图像编码/解码方法以及存储有比特流的记录介质
CN115623196A (zh) 2018-05-12 2023-01-17 数码士有限公司 使用参考样本的视频信号处理方法及设备
PL3813369T3 (pl) * 2018-08-13 2025-06-23 Lg Electronics Inc. Sposób predykcji międzyramkowej na podstawie bazującego na historii wektora ruchu i urządzenie wykorzystujące ten sposób
US11178396B2 (en) * 2018-11-14 2021-11-16 Tencent America LLC Constrained intra prediction and unified most probable mode list generation
AU2020240981B2 (en) * 2019-03-21 2025-07-24 Huawei Technologies Co., Ltd. Method and apparatus for intra-prediction

Also Published As

Publication number Publication date
JP2022537155A (ja) 2022-08-24
US20200404281A1 (en) 2020-12-24
WO2020257559A1 (en) 2020-12-24
MX2021015788A (es) 2022-02-03
EP3987779A1 (en) 2022-04-27
CN114009045A (zh) 2022-02-01
TW202106010A (zh) 2021-02-01
AU2020294783A1 (en) 2022-01-06
BR112021024615A2 (pt) 2022-01-18
US11277616B2 (en) 2022-03-15
MY210334A (en) 2025-09-12
CL2021003354A1 (es) 2022-09-02
PH12021552959A1 (en) 2022-07-25
JP7662540B2 (ja) 2025-04-15
TWI874414B (zh) 2025-03-01
CN119729016A (zh) 2025-03-28
KR20220024029A (ko) 2022-03-03
IL288324B2 (en) 2025-05-01
AU2020294783B2 (en) 2025-11-13
SA521431091B1 (ar) 2024-10-01
CN114009045B (zh) 2025-03-11
IL288324A (en) 2022-01-01
CO2021017161A2 (es) 2022-01-17
ZA202110594B (en) 2025-01-29
IL288324B1 (en) 2025-01-01

Similar Documents

Publication Publication Date Title
EP3959891B1 (en) Adaptive loop filter set index signaling
WO2021202881A1 (en) General constraint information syntax in video coding
WO2021007098A1 (en) Block level signalling of chroma quantization parameter offsets in video coding
WO2020236561A1 (en) Reference picture resampling and inter-coding tools for video coding
WO2020242883A1 (en) Merge mode coding for video coding
WO2021061977A1 (en) Low-frequency non-separable transform (lfnst) simplifications
WO2020086985A1 (en) Wide-angle intra prediction smoothing and interpolation
WO2021050517A1 (en) Maximum and minimum block sizes signaling at high level syntax for video coding and transform units
WO2021041153A1 (en) Chroma quantization parameter (qp) derivation for video coding
EP4032307A1 (en) Subpicture signaling in high-level syntax for video coding
KR20220073755A (ko) 비디오 코딩을 위한 변환 스킵에서 잔차 값들을 위한 코딩 스킴 시그널링
EP3891987A1 (en) Shared candidate list and parallel candidate list derivation for video coding
WO2021138412A1 (en) Chroma transform skip and joint chroma coding enabled block in video coding
EP4011075A1 (en) Palette and prediction mode signaling
AU2020294783B2 (en) DC intra mode prediction in video coding
WO2021207232A1 (en) Signaling number of subblock merge candidates in video coding
WO2021203006A1 (en) High-level constraints for transform skip blocks in video coding
KR20220061975A (ko) 비디오 코딩을 위한 하이 레벨 신택스에서의 서브-픽처들의 수의 시그널링
EP4035394A1 (en) Parameter set signaling for video coding
HK40064684A (en) Dc intra mode prediction in video coding
WO2021046214A1 (en) Constant slice header parameters signaled at higher syntax level for video coding

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20240612

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD

Year of fee payment: 5

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250509

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250509

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D149 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S INTERVIEW

Effective date: 20250515

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - VOLUNTARY AMENDMENT

Effective date: 20250521

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250521

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250620

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250620

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D22-D128 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALLOWANCE REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20251215

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251229

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D164 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: RESPONSE TO NOTICE OF ALLOWANCE

Effective date: 20260429

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 6TH ANNIV.) - STANDARD

Year of fee payment: 6

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20260511

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20260511

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-2-4-D10-D22-D143 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRE-GRANT

Effective date: 20260519

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20260519