JPWO2020256048A1 - - Google Patents

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Publication number
JPWO2020256048A1
JPWO2020256048A1 JP2021526863A JP2021526863A JPWO2020256048A1 JP WO2020256048 A1 JPWO2020256048 A1 JP WO2020256048A1 JP 2021526863 A JP2021526863 A JP 2021526863A JP 2021526863 A JP2021526863 A JP 2021526863A JP WO2020256048 A1 JPWO2020256048 A1 JP WO2020256048A1
Authority
JP
Japan
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JP2021526863A
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JP7455829B2 (ja
JPWO2020256048A5 (ja
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Publication of JPWO2020256048A1 publication Critical patent/JPWO2020256048A1/ja
Publication of JPWO2020256048A5 publication Critical patent/JPWO2020256048A5/ja
Priority to JP2024038795A priority Critical patent/JP2024069422A/ja
Application granted granted Critical
Publication of JP7455829B2 publication Critical patent/JP7455829B2/ja
Active legal-status Critical Current
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Classifications

    • 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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/184—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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/42—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
    • 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
    • H04N19/85—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

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)
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)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024038795A JP2024069422A (ja) 2019-06-18 2024-03-13 符号化装置、復号装置、符号化方法、および復号方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962862892P 2019-06-18 2019-06-18
US62/862,892 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024038795A Division JP2024069422A (ja) 2019-06-18 2024-03-13 符号化装置、復号装置、符号化方法、および復号方法

Publications (3)

Publication Number Publication Date
JPWO2020256048A1 true JPWO2020256048A1 (ja) 2020-12-24
JPWO2020256048A5 JPWO2020256048A5 (ja) 2022-03-14
JP7455829B2 JP7455829B2 (ja) 2024-03-26

Family

ID=74040835

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021526863A Active JP7455829B2 (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
JP2024038795A Pending JP2024069422A (ja) 2019-06-18 2024-03-13 符号化装置、復号装置、符号化方法、および復号方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024038795A Pending JP2024069422A (ja) 2019-06-18 2024-03-13 符号化装置、復号装置、符号化方法、および復号方法

Country Status (7)

Country Link
US (2) US11936886B2 (ja)
JP (2) JP7455829B2 (ja)
KR (1) KR20220024007A (ja)
CN (6) CN118450145A (ja)
BR (1) BR112021023637A2 (ja)
MX (1) MX2021014185A (ja)
WO (1) WO2020256048A1 (ja)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY162367A (en) * 2007-01-05 2017-06-15 Thomson Licensing Hypothetical reference decoder for scalable video coding
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
US9426460B2 (en) 2012-04-13 2016-08-23 Sharp Kabushiki Kaisha Electronic devices for signaling multiple initial buffering parameters
US9402082B2 (en) * 2012-04-13 2016-07-26 Sharp Kabushiki Kaisha Electronic devices for sending a message and buffering a bitstream
US9491456B2 (en) * 2012-09-24 2016-11-08 Qualcomm Incorporated Coded picture buffer removal times signaled in picture and sub-picture timing supplemental enhancement information messages
US9661341B2 (en) * 2013-01-07 2017-05-23 Microsoft Technology Licensing, Llc Syntax and semantics for buffering information to simplify video splicing
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
WO2015102439A1 (ko) * 2014-01-03 2015-07-09 삼성전자 주식회사 멀티 레이어 비디오의 복호화 및 부호화를 위한 버퍼 관리 방법 및 장치
WO2017195582A1 (en) * 2016-05-13 2017-11-16 Sharp Kabushiki Kaisha Temporal sub-layer descriptor

Also Published As

Publication number Publication date
CN118450146A (zh) 2024-08-06
WO2020256048A1 (ja) 2020-12-24
CN118433417A (zh) 2024-08-02
JP7455829B2 (ja) 2024-03-26
CN118450144A (zh) 2024-08-06
MX2021014185A (es) 2022-01-06
US11936886B2 (en) 2024-03-19
CN118450145A (zh) 2024-08-06
KR20220024007A (ko) 2022-03-03
CN114097245B (zh) 2024-06-14
US20220103843A1 (en) 2022-03-31
BR112021023637A2 (pt) 2022-03-29
CN118450147A (zh) 2024-08-06
CN114097245A (zh) 2022-02-25
JP2024069422A (ja) 2024-05-21
US20240214589A1 (en) 2024-06-27

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