JP2021048532A - 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム - Google Patents

画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム Download PDF

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JP2021048532A
JP2021048532A JP2019170810A JP2019170810A JP2021048532A JP 2021048532 A JP2021048532 A JP 2021048532A JP 2019170810 A JP2019170810 A JP 2019170810A JP 2019170810 A JP2019170810 A JP 2019170810A JP 2021048532 A JP2021048532 A JP 2021048532A
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Prior art keywords
quantization matrix
coding
encoded
quantization
mode
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Japanese (ja)
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JP2021048532A5 (enExample
Inventor
真悟 志摩
Shingo Shima
真悟 志摩
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Canon Inc
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Canon Inc
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Priority to JP2019170810A priority Critical patent/JP2021048532A/ja
Priority to PCT/JP2020/030904 priority patent/WO2021054012A1/ja
Priority to CN202411315495.7A priority patent/CN118945353A/zh
Priority to CN202411315591.1A priority patent/CN118972587A/zh
Priority to BR112022005002A priority patent/BR112022005002A2/pt
Priority to KR1020227012431A priority patent/KR20220058959A/ko
Priority to EP20864993.9A priority patent/EP4033762A4/en
Priority to CN202411315621.9A priority patent/CN118972588A/zh
Priority to CN202080065877.2A priority patent/CN114424551B/zh
Priority to CN202411315584.1A priority patent/CN118972586A/zh
Priority to CN202411315492.3A priority patent/CN118972585A/zh
Priority to TW109131784A priority patent/TWI856179B/zh
Publication of JP2021048532A publication Critical patent/JP2021048532A/ja
Priority to US17/695,638 priority patent/US12137224B2/en
Publication of JP2021048532A5 publication Critical patent/JP2021048532A5/ja
Priority to JP2024066821A priority patent/JP7695438B2/ja
Priority to US18/910,632 priority patent/US20250030862A1/en
Priority to US18/910,566 priority patent/US20250030858A1/en
Priority to US18/910,615 priority patent/US20250030861A1/en
Priority to US18/910,601 priority patent/US20250030860A1/en
Priority to US18/910,585 priority patent/US20250030859A1/en
Priority to JP2025085070A priority patent/JP2025118987A/ja
Pending legal-status Critical Current

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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
    • H04N19/124—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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2019170810A 2019-09-19 2019-09-19 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム Pending JP2021048532A (ja)

Priority Applications (20)

Application Number Priority Date Filing Date Title
JP2019170810A JP2021048532A (ja) 2019-09-19 2019-09-19 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
PCT/JP2020/030904 WO2021054012A1 (ja) 2019-09-19 2020-08-14 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
CN202411315495.7A CN118945353A (zh) 2019-09-19 2020-08-14 图像编码设备和方法以及图像解码设备和方法
CN202411315591.1A CN118972587A (zh) 2019-09-19 2020-08-14 图像编码设备和方法以及图像解码设备和方法
BR112022005002A BR112022005002A2 (pt) 2019-09-19 2020-08-14 Aparelho de codificação de imagem, aparelho de decodificação de imagem, e métodos de codificação e decodificação para os mesmos
KR1020227012431A KR20220058959A (ko) 2019-09-19 2020-08-14 화상 부호화 장치, 화상 복호 장치 및 그것들의 제어 방법 및 프로그램
EP20864993.9A EP4033762A4 (en) 2019-09-19 2020-08-14 PICTURE CODING DEVICE, PICTURE DECODING DEVICE, CONTROL METHOD THEREOF AND PROGRAM
CN202411315621.9A CN118972588A (zh) 2019-09-19 2020-08-14 图像编码设备和方法以及图像解码设备和方法
CN202080065877.2A CN114424551B (zh) 2019-09-19 2020-08-14 图像编码设备和方法、图像解码设备和方法和存储介质
CN202411315584.1A CN118972586A (zh) 2019-09-19 2020-08-14 图像编码设备和方法以及图像解码设备和方法
CN202411315492.3A CN118972585A (zh) 2019-09-19 2020-08-14 图像编码设备和方法以及图像解码设备和方法
TW109131784A TWI856179B (zh) 2019-09-19 2020-09-16 影像編碼裝置及其控制方法、以及影像解碼裝置及其控制方法
US17/695,638 US12137224B2 (en) 2019-09-19 2022-03-15 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium for suppressing the code amount of quantization matrices
JP2024066821A JP7695438B2 (ja) 2019-09-19 2024-04-17 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム
US18/910,632 US20250030862A1 (en) 2019-09-19 2024-10-09 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium
US18/910,566 US20250030858A1 (en) 2019-09-19 2024-10-09 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium
US18/910,615 US20250030861A1 (en) 2019-09-19 2024-10-09 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium
US18/910,601 US20250030860A1 (en) 2019-09-19 2024-10-09 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium
US18/910,585 US20250030859A1 (en) 2019-09-19 2024-10-09 Image encoding apparatus, image decoding apparatus, methods for the same, and non-transitory computer-readable storage medium
JP2025085070A JP2025118987A (ja) 2019-09-19 2025-05-21 画像復号装置、画像符号化装置及びそれらの方法及びプログラム

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JP2024066821A Active JP7695438B2 (ja) 2019-09-19 2024-04-17 画像復号装置、画像符号化装置及びそれらの制御方法及びプログラム
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KR (1) KR20220058959A (enExample)
CN (6) CN118945353A (enExample)
BR (1) BR112022005002A2 (enExample)
TW (1) TWI856179B (enExample)
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JP2025118987A (ja) 2025-08-13
US20250030859A1 (en) 2025-01-23
CN114424551B (zh) 2024-09-17
US20220210421A1 (en) 2022-06-30
TW202114423A (zh) 2021-04-01
EP4033762A1 (en) 2022-07-27
KR20220058959A (ko) 2022-05-10
TWI856179B (zh) 2024-09-21
US20250030860A1 (en) 2025-01-23
US20250030861A1 (en) 2025-01-23
JP2024096938A (ja) 2024-07-17
CN114424551A (zh) 2022-04-29
CN118945353A (zh) 2024-11-12
US20250030858A1 (en) 2025-01-23
CN118972586A (zh) 2024-11-15
CN118972587A (zh) 2024-11-15
US20250030862A1 (en) 2025-01-23
EP4033762A4 (en) 2023-08-23
BR112022005002A2 (pt) 2022-06-14
WO2021054012A1 (ja) 2021-03-25
US12137224B2 (en) 2024-11-05
CN118972588A (zh) 2024-11-15
CN118972585A (zh) 2024-11-15
JP7695438B2 (ja) 2025-06-18

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