JP7549045B2 - マルチレイヤ映像ビットストリームのサブビットストリーム抽出 - Google Patents

マルチレイヤ映像ビットストリームのサブビットストリーム抽出 Download PDF

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JP7549045B2
JP7549045B2 JP2022573732A JP2022573732A JP7549045B2 JP 7549045 B2 JP7549045 B2 JP 7549045B2 JP 2022573732 A JP2022573732 A JP 2022573732A JP 2022573732 A JP2022573732 A JP 2022573732A JP 7549045 B2 JP7549045 B2 JP 7549045B2
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bitstream
nal
video
sei
layer
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JP2023529823A (ja
JP2023529823A5 (https=
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イェクイ ワン
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ByteDance Inc
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ByteDance Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • 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
    • H04N19/37—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
    • 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
    • H04N19/70—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)
JP2022573732A 2020-06-09 2021-06-08 マルチレイヤ映像ビットストリームのサブビットストリーム抽出 Active JP7549045B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063036865P 2020-06-09 2020-06-09
US63/036,865 2020-06-09
PCT/US2021/036473 WO2021252533A1 (en) 2020-06-09 2021-06-08 Sub-bitstream extraction of multi-layer video bitstreams

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JP2023529823A JP2023529823A (ja) 2023-07-12
JP2023529823A5 JP2023529823A5 (https=) 2023-08-03
JP7549045B2 true JP7549045B2 (ja) 2024-09-10

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US (4) US11856215B2 (https=)
EP (1) EP4150900A4 (https=)
JP (1) JP7549045B2 (https=)
KR (1) KR102860823B1 (https=)
CN (3) CN115769570B (https=)
MX (1) MX2022015676A (https=)
PH (1) PH12022553382A1 (https=)
WO (2) WO2021252531A1 (https=)

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US12413762B2 (en) 2020-06-09 2025-09-09 Bytedance Inc. Sub-bitstream extraction of multi-layer video bitstreams
US12621470B2 (en) 2024-12-09 2026-05-05 Bytedance Inc. Techniques for generation of a conformant output sub-bitstream

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WO2021237086A1 (en) 2020-05-22 2021-11-25 Bytedance Inc. Techniques for generation of a conformant output sub-bitstream
US12437261B2 (en) * 2021-12-16 2025-10-07 Grey Orange Inc. Automated order consolidation and packaging mechanism
WO2025221836A1 (en) * 2024-04-19 2025-10-23 Bytedance Inc. Various high-level syntax improvements in dynamic mesh coding

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12413762B2 (en) 2020-06-09 2025-09-09 Bytedance Inc. Sub-bitstream extraction of multi-layer video bitstreams
US12432369B2 (en) 2020-06-09 2025-09-30 Bytedance Inc. Handling different NAL types in video sub-bitstream extraction
US12621470B2 (en) 2024-12-09 2026-05-05 Bytedance Inc. Techniques for generation of a conformant output sub-bitstream

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Publication number Publication date
CN115769580A (zh) 2023-03-07
CN117528004A (zh) 2024-02-06
US20240107048A1 (en) 2024-03-28
CN115769570A (zh) 2023-03-07
US20230104597A1 (en) 2023-04-06
WO2021252531A1 (en) 2021-12-16
BR112022025149A2 (pt) 2022-12-27
MX2022015676A (es) 2023-01-16
CN115769570B (zh) 2025-09-26
US20240121417A1 (en) 2024-04-11
JP2023529823A (ja) 2023-07-12
US12432369B2 (en) 2025-09-30
WO2021252533A1 (en) 2021-12-16
US12108068B2 (en) 2024-10-01
PH12022553382A1 (en) 2024-03-25
US20230106638A1 (en) 2023-04-06
KR20230020980A (ko) 2023-02-13
US12413762B2 (en) 2025-09-09
KR102860823B1 (ko) 2025-09-17
EP4150900A4 (en) 2023-11-08
EP4150900A1 (en) 2023-03-22
US11856215B2 (en) 2023-12-26

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