MX2021014185A - Codificador, decodificador, metodo de codificacion y metodo de decodificacion. - Google Patents

Codificador, decodificador, metodo de codificacion y metodo de decodificacion.

Info

Publication number
MX2021014185A
MX2021014185A MX2021014185A MX2021014185A MX2021014185A MX 2021014185 A MX2021014185 A MX 2021014185A MX 2021014185 A MX2021014185 A MX 2021014185A MX 2021014185 A MX2021014185 A MX 2021014185A MX 2021014185 A MX2021014185 A MX 2021014185A
Authority
MX
Mexico
Prior art keywords
encoding
decoding
circuit
encoding device
cpb
Prior art date
Application number
MX2021014185A
Other languages
English (en)
Spanish (es)
Inventor
Yusuke Kato
Virginie Drugeon
Tadamasa Toma
Takahiro Nishi
Kiyofumi Abe
Original Assignee
Panasonic Ip Corp America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of MX2021014185A publication Critical patent/MX2021014185A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods 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
    • H04N19/196Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/177Methods 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • H04N19/426Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • 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)
MX2021014185A 2019-06-18 2020-06-18 Codificador, decodificador, metodo de codificacion y metodo de decodificacion. MX2021014185A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962862892P 2019-06-18 2019-06-18
PCT/JP2020/023903 WO2020256048A1 (ja) 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

Publications (1)

Publication Number Publication Date
MX2021014185A true MX2021014185A (es) 2022-01-06

Family

ID=74040835

Family Applications (6)

Application Number Title Priority Date Filing Date
MX2021014185A MX2021014185A (es) 2019-06-18 2020-06-18 Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
MX2024012956A MX2024012956A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012959A MX2024012959A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012955A MX2024012955A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012957A MX2024012957A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012958A MX2024012958A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion

Family Applications After (5)

Application Number Title Priority Date Filing Date
MX2024012956A MX2024012956A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012959A MX2024012959A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012955A MX2024012955A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012957A MX2024012957A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion
MX2024012958A MX2024012958A (es) 2019-06-18 2021-11-19 Codificador, decodificador, metodo de codificacion y metodo de decodificacion

Country Status (7)

Country Link
US (3) US11936886B2 (https=)
JP (3) JP7455829B2 (https=)
KR (1) KR20220024007A (https=)
CN (6) CN118450146A (https=)
BR (1) BR112021023637A2 (https=)
MX (6) MX2021014185A (https=)
WO (1) WO2020256048A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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MY162367A (en) 2007-01-05 2017-06-15 Thomson Licensing Hypothetical reference decoder for scalable video coding
CN102984544A (zh) * 2007-01-08 2013-03-20 汤姆森特许公司 用于视频流拼接的方法及装置
US9113172B2 (en) * 2011-01-14 2015-08-18 Vidyo, Inc. Techniques for describing temporal coding structure
US9565431B2 (en) * 2012-04-04 2017-02-07 Qualcomm Incorporated Low-delay video buffering in video coding
US9402082B2 (en) * 2012-04-13 2016-07-26 Sharp Kabushiki Kaisha Electronic devices for sending a message and buffering a bitstream
US9426460B2 (en) 2012-04-13 2016-08-23 Sharp Kabushiki Kaisha Electronic devices for signaling multiple initial buffering parameters
US9654802B2 (en) * 2012-09-24 2017-05-16 Qualcomm Incorporated Sequence level flag for sub-picture level coded picture buffer parameters
US9661341B2 (en) * 2013-01-07 2017-05-23 Microsoft Technology Licensing, Llc Syntax and semantics for buffering information to simplify video splicing
US20150016547A1 (en) * 2013-07-15 2015-01-15 Sony Corporation Layer based hrd buffer management for scalable hevc
JP5789004B2 (ja) * 2013-08-09 2015-10-07 ソニー株式会社 送信装置、送信方法、受信装置、受信方法、符号化装置および符号化方法
KR102212211B1 (ko) * 2014-01-03 2021-02-04 삼성전자주식회사 멀티 레이어 비디오의 복호화 및 부호화를 위한 버퍼 관리 방법 및 장치
US10602190B2 (en) * 2016-05-13 2020-03-24 Sharp Kabushiki Kaisha Temporal sub-layer descriptor
MX2021014185A (es) * 2019-06-18 2022-01-06 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
IL291689B2 (en) * 2019-09-24 2025-07-01 Huawei Tech Co Ltd Hypothetical Source Decoder (HRD) for checking the suitability of output layer sets (OLS)

Also Published As

Publication number Publication date
CN114097245A (zh) 2022-02-25
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
JP7455829B2 (ja) 2024-03-26
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
MX2024012957A (es) 2024-11-08
US20250274594A1 (en) 2025-08-28

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