TWI874414B - 在視訊寫碼中之直流框內模式預測 - Google Patents

在視訊寫碼中之直流框內模式預測 Download PDF

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Publication number
TWI874414B
TWI874414B TW109120875A TW109120875A TWI874414B TW I874414 B TWI874414 B TW I874414B TW 109120875 A TW109120875 A TW 109120875A TW 109120875 A TW109120875 A TW 109120875A TW I874414 B TWI874414 B TW I874414B
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Taiwan
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TW109120875A
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TW202106010A (zh
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阿達許 克里許納 瑞瑪蘇布雷蒙尼安
德 奧維拉 葛特 汎
文 龍 范
馬塔 卡茲維克茲
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美商高通公司
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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
    • H04N19/132—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109120875A 2019-06-20 2020-06-19 在視訊寫碼中之直流框內模式預測 TWI874414B (zh)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
TW202106010A TW202106010A (zh) 2021-02-01
TWI874414B true TWI874414B (zh) 2025-03-01

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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=)

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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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017190288A1 (en) * 2016-05-04 2017-11-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
US20180255295A1 (en) * 2015-09-11 2018-09-06 Kt Corporation Method and device for processing video signal

Family Cites Families (9)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180255295A1 (en) * 2015-09-11 2018-09-06 Kt Corporation Method and device for processing video signal
WO2017190288A1 (en) * 2016-05-04 2017-11-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values

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Publication number Publication date
WO2020257559A1 (en) 2020-12-24
SA521431091B1 (ar) 2024-10-01
JP7662540B2 (ja) 2025-04-15
AU2020294783B2 (en) 2025-11-13
CA3141934A1 (en) 2020-12-24
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
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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