TW202527545A - 使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置 - Google Patents

使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置 Download PDF

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TW202527545A
TW202527545A TW114108421A TW114108421A TW202527545A TW 202527545 A TW202527545 A TW 202527545A TW 114108421 A TW114108421 A TW 114108421A TW 114108421 A TW114108421 A TW 114108421A TW 202527545 A TW202527545 A TW 202527545A
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TW114108421A
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法比恩 雷卡普
卡根 拉斯
法布列斯 俄本
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法商內數位Ｃｅ專利控股公司
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    • 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/50—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW114108421A 2019-06-20 2020-06-19 使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置 TW202527545A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305798 2019-06-20
EP19305798.1 2019-06-20

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TW202527545A true TW202527545A (zh) 2025-07-01

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TW114108421A TW202527545A (zh) 2019-06-20 2020-06-19 使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置
TW109120687A TWI879776B (zh) 2019-06-20 2020-06-19 使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置
TW114109464A TW202535067A (zh) 2019-06-20 2020-06-19 使用高階語法元素用信號發送解碼資料之方法及裝置

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TW109120687A TWI879776B (zh) 2019-06-20 2020-06-19 使用位置相關框內預測組合以編碼及解碼圖像之方法及裝置
TW114109464A TW202535067A (zh) 2019-06-20 2020-06-19 使用高階語法元素用信號發送解碼資料之方法及裝置

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US (3) US11991361B2 (https=)
EP (1) EP3987780A1 (https=)
JP (3) JP7580410B2 (https=)
KR (1) KR20220024643A (https=)
CN (3) CN121367774A (https=)
IL (1) IL289036A (https=)
TW (3) TW202527545A (https=)
WO (1) WO2020254264A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021045655A2 (en) * 2019-12-31 2021-03-11 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
US20250254293A1 (en) * 2024-02-07 2025-08-07 Samsung Electronics Co., Ltd. Position dependent prediction combination for video coding

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016137368A1 (en) * 2015-02-25 2016-09-01 Telefonaktiebolaget Lm Ericsson (Publ) Encoding and decoding of inter pictures in a video
WO2018026166A1 (ko) * 2016-08-01 2018-02-08 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US10674165B2 (en) * 2016-12-21 2020-06-02 Arris Enterprises Llc Constrained position dependent intra prediction combination (PDPC)
AU2018230328B2 (en) * 2017-03-10 2021-05-06 Hfi Innovation Inc. Method and apparatus of implicit intra coding tool settings with intra directional prediction modes for video coding
EP3410722A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Method and apparatus for low-complexity bi-directional intra prediction in video encoding and decoding
EP3410724A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Method and apparatus for signalling bi-directional intra prediction in video encoding and decoding
US10965941B2 (en) * 2017-10-09 2021-03-30 Qualcomm Incorporated Position-dependent prediction combinations in video coding
US11611757B2 (en) * 2018-04-02 2023-03-21 Qualcomm Incorproated Position dependent intra prediction combination extended with angular modes
US11159806B2 (en) * 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
CN112425162B (zh) * 2018-07-16 2024-12-13 交互数字Vc控股公司 宽角帧内预测和位置依赖性帧内预测组合
US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
US10652537B1 (en) * 2018-11-21 2020-05-12 Alibaba Group Holding Limited Coding unit size adaptive palette mode for video compression system
KR102661224B1 (ko) * 2018-11-26 2024-04-26 후아웨이 테크놀러지 컴퍼니 리미티드 화상의 블록을 인트라 예측하는 방법
US10778972B1 (en) * 2019-02-27 2020-09-15 Google Llc Adaptive filter intra prediction modes in image/video compression
US11039156B2 (en) * 2019-06-11 2021-06-15 Tencent America LLC Unified position dependent prediction combination process

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Publication number Publication date
CN121418567A (zh) 2026-01-27
IL289036A (en) 2022-02-01
JP2026027472A (ja) 2026-02-18
US11991361B2 (en) 2024-05-21
TW202106008A (zh) 2021-02-01
US12355970B2 (en) 2025-07-08
EP3987780A1 (en) 2022-04-27
WO2020254264A1 (en) 2020-12-24
US20240244215A1 (en) 2024-07-18
TW202535067A (zh) 2025-09-01
JP2022537173A (ja) 2022-08-24
KR20220024643A (ko) 2022-03-03
US20250294154A1 (en) 2025-09-18
US20220303541A1 (en) 2022-09-22
CN114600450B (zh) 2025-11-21
TWI879776B (zh) 2025-04-11
JP7580410B2 (ja) 2024-11-11
JP2025020235A (ja) 2025-02-12
JP7777652B2 (ja) 2025-11-28
CN121367774A (zh) 2026-01-20
CN114600450A (zh) 2022-06-07

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