CN119520815A - 图像编码装置和方法、图像解码装置和方法和存储介质 - Google Patents

图像编码装置和方法、图像解码装置和方法和存储介质 Download PDF

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Publication number
CN119520815A
CN119520815A CN202411950049.3A CN202411950049A CN119520815A CN 119520815 A CN119520815 A CN 119520815A CN 202411950049 A CN202411950049 A CN 202411950049A CN 119520815 A CN119520815 A CN 119520815A
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China
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block
quantization parameter
reference value
quantization
encoded
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CN202411950049.3A
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Chinese (zh)
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志摩真悟
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Canon Inc
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Canon Inc
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202411950049.3A 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质 Pending CN119520815A (zh)

Applications Claiming Priority (4)

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JP2019168858A JP7358135B2 (ja) 2019-09-17 2019-09-17 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム
JP2019-168858 2019-09-17
CN202080065321.3A CN114424563B (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质
PCT/JP2020/029946 WO2021053986A1 (ja) 2019-09-17 2020-08-05 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、及びプログラム

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CN202411950046.XA Pending CN119520814A (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质
CN202411950049.3A Pending CN119520815A (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质
CN202080065321.3A Active CN114424563B (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质
CN202411950056.3A Pending CN119520816A (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质
CN202411950062.9A Pending CN119520817A (zh) 2019-09-17 2020-08-05 图像编码装置和方法、图像解码装置和方法和存储介质

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US (6) US12375642B2 (enExample)
EP (1) EP4033763A4 (enExample)
JP (2) JP7358135B2 (enExample)
KR (1) KR102836378B1 (enExample)
CN (6) CN119520813A (enExample)
BR (1) BR112022004800A2 (enExample)
TW (1) TWI820346B (enExample)
WO (1) WO2021053986A1 (enExample)

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CN115733986A (zh) * 2021-08-30 2023-03-03 华为技术有限公司 编码、封装及显示方法、装置及电子设备
CN118451710A (zh) * 2022-01-07 2024-08-06 Lg 电子株式会社 特征编码/解码方法和设备以及存储比特流的记录介质
CN116527942B (zh) * 2022-07-27 2024-10-25 杭州海康威视数字技术股份有限公司 一种图像编解码方法及装置

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JP2011259205A (ja) * 2010-06-09 2011-12-22 Sony Corp 画像復号化装置と画像符号化装置およびその方法とプログラム
MX388034B (es) * 2012-04-13 2025-03-19 Mitsubishi Electric Corp Dispositivo de codificación de imagen, dispositivo de decodificación de imagen, método de codificación de imagen, y método de decodificación de imagen.
US20130294524A1 (en) * 2012-05-04 2013-11-07 Qualcomm Incorporated Transform skipping and lossless coding unification
GB2503875B (en) 2012-06-29 2015-06-10 Canon Kk Method and device for encoding or decoding an image
WO2015012600A1 (ko) * 2013-07-23 2015-01-29 성균관대학교 산학협력단 영상 부호화/복호화 방법 및 장치
CN105580368B (zh) * 2013-09-30 2018-10-19 日本放送协会 图像编码装置和方法以及图像解码装置和方法
US9596479B2 (en) 2014-10-07 2017-03-14 Hfi Innovation Inc. Method of pulse-code modulation and palette coding for video coding
JP6532222B2 (ja) 2014-11-28 2019-06-19 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US10425659B2 (en) 2015-01-30 2019-09-24 Qualcomm Incorporated Coding escape pixels for palette coding
US10097842B2 (en) 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
JP6651005B2 (ja) * 2015-09-23 2020-02-19 テレフオンアクチーボラゲット エルエム エリクソン（パブル） Ｑｐ値の決定
JP6272441B2 (ja) * 2016-11-08 2018-01-31 キヤノン株式会社 画像復号装置、画像復号方法及びプログラム
JPWO2019003676A1 (ja) 2017-06-29 2020-04-30 ソニー株式会社 画像処理装置と画像処理方法およびプログラム
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CN114424563A (zh) 2022-04-29
CN119520816A (zh) 2025-02-25
JP2021048457A (ja) 2021-03-25
US20250330580A1 (en) 2025-10-23
JP7508675B2 (ja) 2024-07-01
BR112022004800A2 (pt) 2022-06-21
US20250324034A1 (en) 2025-10-16
CN119520813A (zh) 2025-02-25
US20250330579A1 (en) 2025-10-23
JP2023164601A (ja) 2023-11-10
CN119520817A (zh) 2025-02-25
KR20220051022A (ko) 2022-04-25
US20250330578A1 (en) 2025-10-23
US20250324035A1 (en) 2025-10-16
KR102836378B1 (ko) 2025-07-22
WO2021053986A1 (ja) 2021-03-25
EP4033763A1 (en) 2022-07-27
CN114424563B (zh) 2025-01-03
US20220201288A1 (en) 2022-06-23
JP7358135B2 (ja) 2023-10-10
EP4033763A4 (en) 2023-10-18
TW202114411A (zh) 2021-04-01
TWI820346B (zh) 2023-11-01
CN119520814A (zh) 2025-02-25
US12375642B2 (en) 2025-07-29

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