JP7455829B2 - 符号化装置、復号装置、符号化方法、および復号方法 - Google Patents

符号化装置、復号装置、符号化方法、および復号方法 Download PDF

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JP7455829B2
JP7455829B2 JP2021526863A JP2021526863A JP7455829B2 JP 7455829 B2 JP7455829 B2 JP 7455829B2 JP 2021526863 A JP2021526863 A JP 2021526863A JP 2021526863 A JP2021526863 A JP 2021526863A JP 7455829 B2 JP7455829 B2 JP 7455829B2
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バージニー ドルージョン
正真 遠間
孝啓 西
清史 安倍
祐介 加藤
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Panasonic Intellectual Property Corp of America
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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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • 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
    • H04N19/146—Data rate or code amount at the encoder output
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    • H04N19/177—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 group of pictures [GOP]
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    • H04N19/184—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 bits, e.g. of the compressed video stream
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    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2021526863A 2019-06-18 2020-06-18 符号化装置、復号装置、符号化方法、および復号方法 Active JP7455829B2 (ja)

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JP2024038795A JP7710555B2 (ja) 2019-06-18 2024-03-13 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置
JP2025115012A JP2025137543A (ja) 2019-06-18 2025-07-08 符号化装置、復号装置、符号化方法、復号方法及びビットストリーム生成装置

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US201962862892P 2019-06-18 2019-06-18
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MX2021014185A (es) * 2019-06-18 2022-01-06 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
US20240373049A1 (en) * 2023-04-18 2024-11-07 Qualcomm Incorporated Video decoding engine for parallel decoding of multiple input video streams
CN121646915A (zh) * 2024-07-02 2026-03-10 Lg电子株式会社 图像编码方法、图像编码设备、图像解码方法、图像解码设备、发送比特流的方法及存储比特流的记录介质
KR20260007337A (ko) * 2024-07-02 2026-01-13 엘지전자 주식회사 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체

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US9113172B2 (en) * 2011-01-14 2015-08-18 Vidyo, Inc. Techniques for describing temporal coding structure
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KR102212211B1 (ko) * 2014-01-03 2021-02-04 삼성전자주식회사 멀티 레이어 비디오의 복호화 및 부호화를 위한 버퍼 관리 방법 및 장치
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WO2020256048A1 (ja) 2020-12-24
JP2025137543A (ja) 2025-09-19
CN114097245B (zh) 2024-06-14
US12335498B2 (en) 2025-06-17
US20240214589A1 (en) 2024-06-27
US20220103843A1 (en) 2022-03-31
CN118450147A (zh) 2024-08-06
JP7710555B2 (ja) 2025-07-18
BR112021023637A2 (pt) 2022-03-29
JPWO2020256048A1 (https=) 2020-12-24
MX2024012955A (es) 2024-11-08
CN118450145A (zh) 2024-08-06
JP2024069422A (ja) 2024-05-21
CN118433417A (zh) 2024-08-02
US11936886B2 (en) 2024-03-19
MX2024012958A (es) 2024-11-08
KR20220024007A (ko) 2022-03-03
CN118450144A (zh) 2024-08-06
MX2024012959A (es) 2024-11-08
MX2024012956A (es) 2024-11-08
CN118450146A (zh) 2024-08-06
MX2021014185A (es) 2022-01-06
MX2024012957A (es) 2024-11-08
US20250274594A1 (en) 2025-08-28

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