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 (https=)
EP (1) EP3987779A1 (https=)
JP (1) JP7662540B2 (https=)
KR (1) KR20220024029A (https=)
CN (2) CN119729016A (https=)
AU (1) AU2020294783B2 (https=)
BR (1) BR112021024615A2 (https=)
CA (1) CA3141934A1 (https=)
CL (1) CL2021003354A1 (https=)
CO (1) CO2021017161A2 (https=)
IL (1) IL288324B2 (https=)
MX (1) MX2021015788A (https=)
MY (1) MY210334A (https=)
PH (1) PH12021552959A1 (https=)
SA (1) SA521431091B1 (https=)
TW (1) TWI874414B (https=)
WO (1) WO2020257559A1 (https=)
ZA (1) ZA202110594B (https=)

Families Citing this family (2)

* 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
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
ES2934221T3 (es) * 2010-12-22 2023-02-20 Lg Electronics Inc Método de intrapredicción y aparato que utiliza el método
ES2844525B1 (es) * 2015-09-11 2022-07-05 Kt Corp Metodo para decodificar un video
CN116962721A (zh) * 2016-05-04 2023-10-27 微软技术许可有限责任公司 利用样本值的非相邻参考线进行帧内图片预测的方法
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
CN109792529A (zh) * 2016-09-22 2019-05-21 Lg 电子株式会社 图像编译系统中的基于照度补偿的间预测方法和设备
US10742975B2 (en) 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
CN115037931B (zh) * 2017-10-18 2025-08-26 英迪股份有限公司 图像编码/解码方法和装置以及存储有比特流的记录介质
CN115623197A (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
CN116800982A (zh) * 2018-08-13 2023-09-22 Lg电子株式会社 图像编码/解码设备和图像数据发送设备
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
WO2020257559A1 (en) 2020-12-24
SA521431091B1 (ar) 2024-10-01
JP7662540B2 (ja) 2025-04-15
AU2020294783B2 (en) 2025-11-13
US20200404281A1 (en) 2020-12-24
MX2021015788A (es) 2022-02-03
CN119729016A (zh) 2025-03-28
CN114009045B (zh) 2025-03-11
JP2022537155A (ja) 2022-08-24
US11277616B2 (en) 2022-03-15
AU2020294783A1 (en) 2022-01-06
TW202106010A (zh) 2021-02-01
TWI874414B (zh) 2025-03-01
EP3987779A1 (en) 2022-04-27
CN114009045A (zh) 2022-02-01
IL288324B2 (en) 2025-05-01
KR20220024029A (ko) 2022-03-03
IL288324A (en) 2022-01-01
BR112021024615A2 (pt) 2022-01-18
ZA202110594B (en) 2025-01-29
IL288324B1 (en) 2025-01-01
MY210334A (en) 2025-09-12
PH12021552959A1 (en) 2022-07-25
CL2021003354A1 (es) 2022-09-02
CO2021017161A2 (es) 2022-01-17

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