ZA202110594B - Dc intra mode prediction in video coding - Google Patents

Dc intra mode prediction in video coding

Info

Publication number
ZA202110594B
ZA202110594B ZA2021/10594A ZA202110594A ZA202110594B ZA 202110594 B ZA202110594 B ZA 202110594B ZA 2021/10594 A ZA2021/10594 A ZA 2021/10594A ZA 202110594 A ZA202110594 A ZA 202110594A ZA 202110594 B ZA202110594 B ZA 202110594B
Authority
ZA
South Africa
Prior art keywords
current block
samples
intra mode
mode prediction
column
Prior art date
Application number
ZA2021/10594A
Other languages
English (en)
Inventor
Adarsh Krishnan Ramasubramonian
Der Auwera Geert Van
Van Luong Pham
Marta Karczewicz
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 ZA202110594B publication Critical patent/ZA202110594B/en

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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/70—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)
ZA2021/10594A 2019-06-20 2021-12-17 Dc intra mode prediction in video coding ZA202110594B (en)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
ZA202110594B true ZA202110594B (en) 2025-01-29

Family

ID=74038144

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/10594A ZA202110594B (en) 2019-06-20 2021-12-17 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
CA3141934A1 (en) 2020-12-24
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
IL288324B1 (en) 2025-01-01

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