IL302027B1 - Internal prediction using improved interpolation filters - Google Patents

Internal prediction using improved interpolation filters

Info

Publication number
IL302027B1
IL302027B1 IL302027A IL30202723A IL302027B1 IL 302027 B1 IL302027 B1 IL 302027B1 IL 302027 A IL302027 A IL 302027A IL 30202723 A IL30202723 A IL 30202723A IL 302027 B1 IL302027 B1 IL 302027B1
Authority
IL
Israel
Prior art keywords
intra prediction
interpolation filters
enhanced interpolation
enhanced
filters
Prior art date
Application number
IL302027A
Other languages
English (en)
Hebrew (he)
Other versions
IL302027A (en
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 IL302027A publication Critical patent/IL302027A/en
Publication of IL302027B1 publication Critical patent/IL302027B1/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
    • H04N19/103—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
    • H04N19/50—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
    • 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)
IL302027A 2020-12-22 2021-12-20 Internal prediction using improved interpolation filters IL302027B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063129437P 2020-12-22 2020-12-22
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 (2)

Publication Number Publication Date
IL302027A IL302027A (en) 2023-06-01
IL302027B1 true IL302027B1 (en) 2026-04-01

Family

ID=80001430

Family Applications (1)

Application Number Title Priority Date Filing Date
IL302027A IL302027B1 (en) 2020-12-22 2021-12-20 Internal prediction using improved 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004900A1 (ko) * 2018-06-25 2020-01-02 김기백 화면내 예측 방법 및 장치
US20200013740A1 (en) * 2018-07-03 2020-01-09 Samsung Electronics Co., Ltd. Semiconductor chip including a bump structure and semiconductor package including the same
WO2020216255A1 (en) * 2019-04-25 2020-10-29 Mediatek Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction

Family Cites Families (14)

* 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
US11277644B2 (en) * 2018-07-02 2022-03-15 Qualcomm Incorporated Combining mode dependent intra smoothing (MDIS) with intra interpolation filter switching
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.
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004900A1 (ko) * 2018-06-25 2020-01-02 김기백 화면내 예측 방법 및 장치
US20200013740A1 (en) * 2018-07-03 2020-01-09 Samsung Electronics Co., Ltd. Semiconductor chip including a bump structure and semiconductor package including the same
WO2020216255A1 (en) * 2019-04-25 2020-10-29 Mediatek Inc. Method and apparatus of encoding or decoding with mode dependent intra smoothing filter in intra prediction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHAO, SIX TAP INTRA INTERPOLATION FILTER, 15 October 2016 (2016-10-15) *

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
EP4268459A1 (en) 2023-11-01
CA3198449A1 (en) 2022-06-30
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

Similar Documents

Publication Publication Date Title
ZA202105403B (en) Parameter derivation for intra prediction
ZA202103763B (en) Context-based intra prediction
EP3932058A4 (en) USING HISTORY INTERPOLATION FILTERS BASED ON MOTION VECTOR PREDICTION
EP3861728A4 (en) COMPLEXITY REDUCTION IN A DERIVATION OF PARAMETERS FOR AN INTRA PREDICTION
SG11202104480RA (en) Interpolation for inter prediction with refinement
EP3949391A4 (en) MATRIX-BASED INTRAPREDICTION USING FILTRATION
ZA202105356B (en) Neighbouring sample selection for intra prediction
PL3932074T3 (pl) Przycinanie filtrów interpolacyjnych do wektorów ruchu podobrazów
SG11202111683VA (en) Multiple adaptive loop filter sets for video coding
SG11202011605XA (en) Combining mode dependent intra smoothing (mdis) with intra interpolation filter switching
SG11202102458YA (en) Wide-angle intra prediction smoothing and interpolation
PL3972256T3 (pl) Adaptacyjne filtrowanie pikseli referencyjnych dla predykcji wewnątrzobrazowej z wykorzystaniem oddalonych linii pikseli
SG11201910715TA (en) Improved intra prediction in video coding
PL4014492T3 (pl) Przesunięcie parametru kwantyzacji dla filtrowania deblokującego chrominancji
HUE053984T2 (hu) Szûrõegyütthatók elõrejelzése rögzített szûrõkbõl video kódoláshoz
EP3949394A4 (en) INTRA VIDEO CODING USING MULTIPLE REFERENCE FILTERS
ZA202102992B (en) Method and apparatus for intra prediction using an interpolation filter
SG11202006520SA (en) Length-adaptive deblocking filtering in video coding
PL3915254T3 (pl) Sposób oraz urządzenie do kodowania wideo do predykcji trójkątnej
CA216015S (en) Filter unit
CA218824S (en) Toaster
IL302027B1 (en) Internal prediction using improved interpolation filters
EP4189957A4 (en) INTRAPREDICTION BASED ON GEOMETRIC PARTITION
GB2549360B (en) Coding interpolation filter type
PT4082213T (pt) Filtros em malha para codificação de vídeo