JP2022544159A - サブフレームを使用した適応分解能管理 - Google Patents

サブフレームを使用した適応分解能管理 Download PDF

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JP2022544159A
JP2022544159A JP2022507676A JP2022507676A JP2022544159A JP 2022544159 A JP2022544159 A JP 2022544159A JP 2022507676 A JP2022507676 A JP 2022507676A JP 2022507676 A JP2022507676 A JP 2022507676A JP 2022544159 A JP2022544159 A JP 2022544159A
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Prior art keywords
scaling
scaling constant
frame
decoder
bitstream
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Japanese (ja)
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JP2022544159A5 (enExample
Inventor
ハリ カルバ，
ヴェリボール アジッチ，
ボリヴォイェ ファート，
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オーピー ソリューションズ， エルエルシー
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Publication of JP2022544159A5 publication Critical patent/JP2022544159A5/ja
Priority to JP2025122319A priority Critical patent/JP2025137696A/ja
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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial 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
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/85—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
JP2022507676A 2019-08-06 2020-08-06 サブフレームを使用した適応分解能管理 Withdrawn JP2022544159A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025122319A JP2025137696A (ja) 2019-08-06 2025-07-22 サブフレームを使用した適応分解能管理

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962883480P 2019-08-06 2019-08-06
US62/883,480 2019-08-06
PCT/US2020/045218 WO2021026361A1 (en) 2019-08-06 2020-08-06 Adaptive resolution management using sub-frames

Related Child Applications (1)

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JP2022544159A true JP2022544159A (ja) 2022-10-17
JP2022544159A5 JP2022544159A5 (enExample) 2023-08-15

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JP2025122319A Pending JP2025137696A (ja) 2019-08-06 2025-07-22 サブフレームを使用した適応分解能管理

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US (2) US20210044819A1 (enExample)
EP (1) EP4011085A4 (enExample)
JP (2) JP2022544159A (enExample)
KR (1) KR20220088844A (enExample)
CN (1) CN114503583A (enExample)
BR (1) BR112022002186A2 (enExample)
MX (1) MX2022001594A (enExample)
PH (1) PH12022550291A1 (enExample)
WO (1) WO2021026361A1 (enExample)

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CN119835421A (zh) * 2019-09-10 2025-04-15 皇家飞利浦有限公司 图像信号编码/解码方法及其装置
US11336894B2 (en) * 2019-09-20 2022-05-17 Tencent America LLC Signaling of reference picture resampling with resampling picture size indication in video bitstream
CN114982229A (zh) 2019-09-24 2022-08-30 弗劳恩霍夫应用研究促进协会 用于参考图片重采样扩展的编码器和解码器、编码方法和解码方法
US20230254500A1 (en) * 2022-02-07 2023-08-10 Nvidia Corporation Smart packet pacing for video frame streaming

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US20100080287A1 (en) * 2008-09-26 2010-04-01 Microsoft Corporation Adaptive Video Processing of an Interactive Environment
WO2019079273A1 (en) * 2017-10-20 2019-04-25 Interdigital Vc Holdings, Inc. SEGMENTATION OF OMNIDIRECTIONAL VIDEO WAFER

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KR101676059B1 (ko) * 2009-01-26 2016-11-14 톰슨 라이센싱 비디오 코딩을 위한 프레임 패킹
US20100246682A1 (en) * 2009-03-27 2010-09-30 Vixs Systems, Inc. Scaled motion search section with downscaling and method for use therewith
US20100316129A1 (en) * 2009-03-27 2010-12-16 Vixs Systems, Inc. Scaled motion search section with downscaling filter and method for use therewith
US20110002391A1 (en) * 2009-06-11 2011-01-06 Motorola, Inc. Digital image compression by resolution-adaptive macroblock coding
US20140301463A1 (en) * 2013-04-05 2014-10-09 Nokia Corporation Method and apparatus for video coding and decoding
US9215297B2 (en) * 2013-10-30 2015-12-15 Broadcom Corporation Efficient signal compression format schemes
US9774881B2 (en) * 2014-01-08 2017-09-26 Microsoft Technology Licensing, Llc Representing motion vectors in an encoded bitstream
US20160267884A1 (en) * 2015-03-12 2016-09-15 Oculus Vr, Llc Non-uniform rescaling of input data for displaying on display device
CN106658019B (zh) * 2015-10-31 2019-11-12 华为技术有限公司 参考帧编解码的方法与装置
WO2017156669A1 (en) * 2016-03-14 2017-09-21 Mediatek Singapore Pte. Ltd. Methods for motion vector storage in video coding
CN113873237B (zh) * 2016-12-01 2023-12-29 谷歌有限责任公司 用于恢复由重构产生的劣化帧的劣化图块的方法和装置
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WO2019079273A1 (en) * 2017-10-20 2019-04-25 Interdigital Vc Holdings, Inc. SEGMENTATION OF OMNIDIRECTIONAL VIDEO WAFER

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Publication number Publication date
PH12022550291A1 (en) 2022-11-21
KR20220088844A (ko) 2022-06-28
CN114503583A (zh) 2022-05-13
BR112022002186A2 (pt) 2022-05-03
JP2025137696A (ja) 2025-09-19
EP4011085A1 (en) 2022-06-15
WO2021026361A1 (en) 2021-02-11
MX2022001594A (es) 2022-03-11
US20240114161A1 (en) 2024-04-04
EP4011085A4 (en) 2023-07-26
US20210044819A1 (en) 2021-02-11

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