CA3198449A1 - Intra prediction using enhanced interpolation filters - Google Patents

Intra prediction using enhanced interpolation filters

Info

Publication number
CA3198449A1
CA3198449A1 CA3198449A CA3198449A CA3198449A1 CA 3198449 A1 CA3198449 A1 CA 3198449A1 CA 3198449 A CA3198449 A CA 3198449A CA 3198449 A CA3198449 A CA 3198449A CA 3198449 A1 CA3198449 A1 CA 3198449A1
Authority
CA
Canada
Prior art keywords
block
intra
smoothing
filter
prediction
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
CA3198449A
Other languages
English (en)
French (fr)
Inventor
Bappaditya Ray
Vadim Seregin
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
Priority claimed from US17/645,024 external-priority patent/US12132932B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3198449A1 publication Critical patent/CA3198449A1/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
    • H04N19/50—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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
CA3198449A 2020-12-22 2021-12-20 Intra prediction using enhanced interpolation filters Pending CA3198449A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063129437P 2020-12-22 2020-12-22
US63/129,437 2020-12-22
US17/645,024 2021-12-17
US17/645,024 US12132932B2 (en) 2020-12-22 2021-12-17 Intra prediction using enhanced interpolation filters
PCT/US2021/073040 WO2022140765A1 (en) 2020-12-22 2021-12-20 Intra prediction using enhanced interpolation filters

Publications (1)

Publication Number Publication Date
CA3198449A1 true CA3198449A1 (en) 2022-06-30

Family

ID=80001430

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3198449A Pending CA3198449A1 (en) 2020-12-22 2021-12-20 Intra prediction using enhanced interpolation filters

Country Status (12)

Country Link
US (1) US20250030888A1 (enExample)
EP (1) EP4268459A1 (enExample)
JP (1) JP2023553882A (enExample)
KR (1) KR20230123949A (enExample)
AU (1) AU2021410074A1 (enExample)
CA (1) CA3198449A1 (enExample)
CL (1) CL2023001718A1 (enExample)
CO (1) CO2023007959A2 (enExample)
IL (1) IL302027B1 (enExample)
MX (1) MX2023007190A (enExample)
TW (1) TW202236848A (enExample)
WO (1) WO2022140765A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024078582A1 (en) * 2022-10-12 2024-04-18 Douyin Vision Co., Ltd. Switchable input sources based extended taps for adaptive loop filter in video coding
US20240236314A1 (en) * 2023-01-05 2024-07-11 Qualcomm Incorporated Filtering applied to prediction in video coding

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101373814B1 (ko) * 2010-07-31 2014-03-18 엠앤케이홀딩스 주식회사 예측 블록 생성 장치
US9900617B2 (en) * 2014-06-20 2018-02-20 Qualcomm Incorporated Single color palette mode in video coding
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
PL3879826T3 (pl) * 2017-05-31 2022-12-19 Lg Electronics Inc. Sposób i urządzenie do wykonywania dekodowania obrazu na podstawie predykcji przestrzennej w systemie kodowania obrazu
US10805641B2 (en) * 2017-06-15 2020-10-13 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding
CN116248868B (zh) * 2017-07-03 2025-11-25 汉阳大学校产学协力团 利用包含追加区域的分割单位的影像解码方法以及装置
CN118413654A (zh) * 2017-11-28 2024-07-30 Lx 半导体科技有限公司 图像编码/解码设备、传输图像数据的设备和存储介质
MY205629A (en) * 2018-06-25 2024-10-31 Guangdong Oppo Mobile Telecommunications Corp Ltd Intra-frame prediction method and device
US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
KR102574452B1 (ko) * 2018-07-03 2023-09-04 삼성전자 주식회사 반도체 칩 및 이를 포함하는 반도체 패키지
US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
JP2020053724A (ja) * 2018-09-21 2020-04-02 Kddi株式会社 画像復号装置、画像符号化装置、画像処理システム及びプログラム
WO2020085955A1 (en) * 2018-10-26 2020-04-30 Huawei Technologies Co., Ltd. Method and apparatus for reference sample filtering
MX2021010874A (es) * 2019-03-12 2021-10-22 Lg Electronics Inc Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits.
EP3949424A4 (en) * 2019-04-25 2022-12-21 HFI Innovation Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction
US12132898B2 (en) * 2019-09-17 2024-10-29 Interdigital Vc Holdings, Inc. Intra sub-partitions related intra coding
WO2021054807A1 (ko) * 2019-09-19 2021-03-25 엘지전자 주식회사 참조 샘플 필터링을 이용하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Also Published As

Publication number Publication date
JP2023553882A (ja) 2023-12-26
US20250030888A1 (en) 2025-01-23
CL2023001718A1 (es) 2024-01-05
TW202236848A (zh) 2022-09-16
WO2022140765A1 (en) 2022-06-30
IL302027B1 (en) 2026-04-01
EP4268459A1 (en) 2023-11-01
CO2023007959A2 (es) 2023-06-30
IL302027A (en) 2023-06-01
KR20230123949A (ko) 2023-08-24
MX2023007190A (es) 2023-07-03
AU2021410074A1 (en) 2023-05-25
AU2021410074A9 (en) 2024-02-08

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