BR112022002186A2 - Gerenciamento de resolução adaptativa com o uso de subquadros - Google Patents

Gerenciamento de resolução adaptativa com o uso de subquadros

Info

Publication number
BR112022002186A2
BR112022002186A2 BR112022002186A BR112022002186A BR112022002186A2 BR 112022002186 A2 BR112022002186 A2 BR 112022002186A2 BR 112022002186 A BR112022002186 A BR 112022002186A BR 112022002186 A BR112022002186 A BR 112022002186A BR 112022002186 A2 BR112022002186 A2 BR 112022002186A2
Authority
BR
Brazil
Prior art keywords
scaling constant
subframe
subframes
adaptive resolution
resolution management
Prior art date
Application number
BR112022002186A
Other languages
English (en)
Portuguese (pt)
Inventor
Adzic Velibor
Furht Borivoje
Kalva Hari
Original Assignee
Op Solutions Llc
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 Op Solutions Llc filed Critical Op Solutions Llc
Priority claimed from PCT/US2020/045218 external-priority patent/WO2021026361A1/en
Publication of BR112022002186A2 publication Critical patent/BR112022002186A2/pt

Links

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
    • H04N19/50—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

Landscapes

  • 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)
BR112022002186A 2019-08-06 2020-08-06 Gerenciamento de resolução adaptativa com o uso de subquadros BR112022002186A2 (pt)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
BR112022002186A2 true BR112022002186A2 (pt) 2022-05-03

Family

ID=74498115

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022002186A BR112022002186A2 (pt) 2019-08-06 2020-08-06 Gerenciamento de resolução adaptativa com o uso de subquadros

Country Status (8)

Country Link
US (2) US20210044819A1 (https=)
EP (1) EP4011085A4 (https=)
JP (2) JP2022544159A (https=)
KR (1) KR20220088844A (https=)
CN (1) CN114503583A (https=)
BR (1) BR112022002186A2 (https=)
MX (2) MX2022001594A (https=)
PH (1) PH12022550291A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119835418A (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
US20230254500A1 (en) * 2022-02-07 2023-08-10 Nvidia Corporation Smart packet pacing for video frame streaming

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* Cited by examiner, † Cited by third party
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TWI262725B (en) * 2005-06-30 2006-09-21 Cheertek Inc Video decoding apparatus and digital audio and video display system capable of controlling presentation of subtitles and method thereof
US8804821B2 (en) * 2008-09-26 2014-08-12 Microsoft Corporation Adaptive video processing of an interactive environment
AU2010206977B2 (en) * 2009-01-26 2016-02-25 Interdigital Vc Holdings, Inc. Frame packing for video coding
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
EP3474549A1 (en) * 2017-10-20 2019-04-24 Thomson Licensing Omnidirectional video slice segmentation
US10972744B2 (en) * 2018-11-12 2021-04-06 Analog Devices International Unlimited Company Image scaling
US11290734B2 (en) * 2019-01-02 2022-03-29 Tencent America LLC Adaptive picture resolution rescaling for inter-prediction and display
WO2020141260A1 (en) * 2019-01-02 2020-07-09 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
WO2020185879A1 (en) * 2019-03-11 2020-09-17 Dolby Laboratories Licensing Corporation Video coding using reference picture resampling supporting region of interest
KR102873372B1 (ko) * 2019-03-13 2025-10-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
WO2020228692A1 (en) * 2019-05-12 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Motion prediction from temporal blocks with reference picture resampling

Also Published As

Publication number Publication date
PH12022550291A1 (en) 2022-11-21
JP2025137696A (ja) 2025-09-19
KR20220088844A (ko) 2022-06-28
MX2025013718A (es) 2026-01-07
JP2022544159A (ja) 2022-10-17
EP4011085A4 (en) 2023-07-26
US20240114161A1 (en) 2024-04-04
US20210044819A1 (en) 2021-02-11
CN114503583A (zh) 2022-05-13
MX2022001594A (es) 2022-03-11
EP4011085A1 (en) 2022-06-15

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