MX2022007862A - Memoria intermedia compartida de imagenes de decodificador para multiples capas. - Google Patents

Memoria intermedia compartida de imagenes de decodificador para multiples capas.

Info

Publication number
MX2022007862A
MX2022007862A MX2022007862A MX2022007862A MX2022007862A MX 2022007862 A MX2022007862 A MX 2022007862A MX 2022007862 A MX2022007862 A MX 2022007862A MX 2022007862 A MX2022007862 A MX 2022007862A MX 2022007862 A MX2022007862 A MX 2022007862A
Authority
MX
Mexico
Prior art keywords
dpb
layer
picture
picture buffer
perform
Prior art date
Application number
MX2022007862A
Other languages
English (en)
Spanish (es)
Inventor
Adarsh Krishnan Ramasubramonian
Muhammed Zeyd Coban
Vadim Seregin
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 MX2022007862A publication Critical patent/MX2022007862A/es

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
    • H04N19/70—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
    • H04N19/134—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MX2022007862A 2019-12-24 2020-12-22 Memoria intermedia compartida de imagenes de decodificador para multiples capas. MX2022007862A (es)

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
MX2022007862A true MX2022007862A (es) 2022-07-19

Family

ID=76437336

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022007862A MX2022007862A (es) 2019-12-24 2020-12-22 Memoria intermedia compartida de imagenes de decodificador para multiples capas.

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
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
BR112022011704A2 (pt) 2022-11-22

Similar Documents

Publication Publication Date Title
USRE49727E1 (en) System and method for decoding using parallel processing
ES2989421T3 (es) Un codificador, un decodificador y métodos correspondientes para la intrapredicción
US9866862B2 (en) Motion vector reference selection through reference frame buffer tracking
US10021418B2 (en) Method and apparatus of candidate generation for single sample mode in video coding
WO2021252293A3 (en) Decoded picture buffer (dpb) operations and access unit delimiter (aud)
US11297333B2 (en) Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US20180302645A1 (en) Method and apparatus for vector encoding in video coding and decoding
MX358181B (es) Operaciones de memoria intermedia de imagenes decodificadas para codificacion de video.
US9609316B2 (en) Image coding apparatus, image coding method, and recording medium thereof, image decoding apparatus, and image decoding method, and recording medium thereof
JP2017502610A5 (enExample)
EP4429246A3 (en) Video processing method and device
JP2016508011A5 (enExample)
JP2016537930A5 (enExample)
BR112022011704A2 (pt) Buffer de imagem decodificador compartilhado para múltiplas camadas
CN106464886A (zh) 视频中的画面的鲁棒编码和解码
JP2021064938A (ja) ビデオエンコーディング方法、及び、エンコードされたビデオのファイルサイズを減らす方法
JP2017525276A5 (enExample)
JP2023506876A (ja) 仮想参照デコーダ及び出力レイヤセットのためのビデオデータストリーム、ビデオエンコーダ、装置及び方法
MX353211B (es) Diseño de valor poc para codificación de video de múltiples capas.
JP2016533697A5 (enExample)
US20140286391A1 (en) Sample adaptive offset (sao) processing apparatus reusing input buffer and operation method of the sao processing apparatus
RU2015140121A (ru) Способы кодирования и декодирования блока изображения, соответствующие устройства и поток данных
JP2014011572A5 (ja) 動画像予測復号装置、方法及びプログラム
FI2869577T3 (fi) Dynaaminen ennakoiva kuvandekoodauslaite, -menetelmä ja -ohjelma
US9066082B2 (en) Forensics in multi-channel media content