BR112022011704A2 - Buffer de imagem decodificador compartilhado para múltiplas camadas - Google Patents

Buffer de imagem decodificador compartilhado para múltiplas camadas

Info

Publication number
BR112022011704A2
BR112022011704A2 BR112022011704A BR112022011704A BR112022011704A2 BR 112022011704 A2 BR112022011704 A2 BR 112022011704A2 BR 112022011704 A BR112022011704 A BR 112022011704A BR 112022011704 A BR112022011704 A BR 112022011704A BR 112022011704 A2 BR112022011704 A2 BR 112022011704A2
Authority
BR
Brazil
Prior art keywords
layers
dpb
layer
image buffer
buffer
Prior art date
Application number
BR112022011704A
Other languages
English (en)
Portuguese (pt)
Inventor
Seregin Vadim
Krishnan Ramasubramonian Adarsh
Zeyd Coban Muhammed
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112022011704A2 publication Critical patent/BR112022011704A2/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
    • H04N19/10—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
    • H04N19/30—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112022011704A 2019-12-24 2020-12-22 Buffer de imagem decodificador compartilhado para múltiplas camadas BR112022011704A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962953394P 2019-12-24 2019-12-24
US17/128,767 US11785205B2 (en) 2019-12-24 2020-12-21 Shared decoder picture buffer for multiple layers
PCT/US2020/066583 WO2021133788A1 (en) 2019-12-24 2020-12-22 Shared decoder picture buffer for multiple layers

Publications (1)

Publication Number Publication Date
BR112022011704A2 true BR112022011704A2 (pt) 2022-11-22

Family

ID=76437336

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022011704A BR112022011704A2 (pt) 2019-12-24 2020-12-22 Buffer de imagem decodificador compartilhado para múltiplas camadas

Country Status (10)

Country Link
US (1) US11785205B2 (enExample)
EP (1) EP4082210A1 (enExample)
JP (1) JP7609874B2 (enExample)
KR (1) KR20220113402A (enExample)
CN (1) CN114830673B (enExample)
BR (1) BR112022011704A2 (enExample)
CA (1) CA3162708A1 (enExample)
MX (1) MX2022007862A (enExample)
TW (1) TWI855204B (enExample)
WO (1) WO2021133788A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4140140A4 (en) * 2020-05-21 2023-07-05 ByteDance Inc. SIGNALING PROGRESSIVE DECODING UPDATE AND REFERENCE IMAGE LISTS
WO2021242716A1 (en) 2020-05-26 2021-12-02 Bytedance Inc. Identification of inter-layer reference pictures in coded video
EP4154523A4 (en) * 2020-06-08 2023-11-22 ByteDance Inc. Constraints of slice count in a coded video picture
CN114205615B (zh) * 2021-12-03 2024-02-06 北京达佳互联信息技术有限公司 解码图像缓存区的管理方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015006323A2 (pt) * 2012-09-28 2017-07-04 Sony Corp dispositivo e método de processamento de imagem
US9591321B2 (en) * 2013-04-07 2017-03-07 Dolby International Ab Signaling change in output layer sets
JP2015002495A (ja) * 2013-06-18 2015-01-05 シャープ株式会社 画像復号装置、および画像符号化装置
US20150016500A1 (en) * 2013-07-11 2015-01-15 Qualcomm Incorporated Device and method for scalable coding of video information
US9819941B2 (en) * 2013-10-10 2017-11-14 Qualcomm Incorporated Signaling for sub-decoded picture buffer (sub-DPB) based DPB operations in video coding
US10187662B2 (en) 2013-10-13 2019-01-22 Sharp Kabushiki Kaisha Signaling parameters in video parameter set extension and decoder picture buffer operation
US9942546B2 (en) * 2013-12-12 2018-04-10 Qualcomm Incorporated POC value design for multi-layer video coding
JP6472449B2 (ja) 2014-01-02 2019-02-20 シャープ株式会社 ビデオシーケンスを復号するための方法
US10250895B2 (en) * 2014-03-14 2019-04-02 Sharp Kabushiki Kaisha DPB capacity limits
US11303912B2 (en) * 2018-04-18 2022-04-12 Qualcomm Incorporated Decoded picture buffer management and dynamic range adjustment
US11153583B2 (en) * 2019-06-07 2021-10-19 Qualcomm Incorporated Spatial scalability support in video encoding and decoding

Also Published As

Publication number Publication date
CN114830673B (zh) 2025-11-04
EP4082210A1 (en) 2022-11-02
US11785205B2 (en) 2023-10-10
MX2022007862A (es) 2022-07-19
JP7609874B2 (ja) 2025-01-07
WO2021133788A1 (en) 2021-07-01
US20210195175A1 (en) 2021-06-24
CN114830673A (zh) 2022-07-29
CA3162708A1 (en) 2021-07-01
TWI855204B (zh) 2024-09-11
JP2023517428A (ja) 2023-04-26
TW202131698A (zh) 2021-08-16
KR20220113402A (ko) 2022-08-12

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