CN114830673B - 用于多个层的共享解码器图片缓冲器 - Google Patents

用于多个层的共享解码器图片缓冲器

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Publication number
CN114830673B
CN114830673B CN202080088412.9A CN202080088412A CN114830673B CN 114830673 B CN114830673 B CN 114830673B CN 202080088412 A CN202080088412 A CN 202080088412A CN 114830673 B CN114830673 B CN 114830673B
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CN
China
Prior art keywords
dpb
layer
image
picture
decoded
Prior art date
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Active
Application number
CN202080088412.9A
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English (en)
Chinese (zh)
Other versions
CN114830673A (zh
Inventor
V·谢廖金
A·K·瑞玛苏布雷蒙尼安
M·Z·科班
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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Application granted granted Critical
Publication of CN114830673B publication Critical patent/CN114830673B/zh
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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
    • H04N19/10—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
    • H04N19/30—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
    • H04N19/42—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)
CN202080088412.9A 2019-12-24 2020-12-22 用于多个层的共享解码器图片缓冲器 Active CN114830673B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962953394P 2019-12-24 2019-12-24
US62/953,394 2019-12-24
US17/128,767 2020-12-21
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 (2)

Publication Number Publication Date
CN114830673A CN114830673A (zh) 2022-07-29
CN114830673B true CN114830673B (zh) 2025-11-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080088412.9A Active CN114830673B (zh) 2019-12-24 2020-12-22 用于多个层的共享解码器图片缓冲器

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021236895A1 (en) * 2020-05-21 2021-11-25 Bytedance Inc. Constraints on reference picture information
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
KR102135986B1 (ko) * 2012-09-28 2020-07-20 소니 주식회사 화상 처리 장치 및 방법
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
WO2015052943A1 (en) 2013-10-13 2015-04-16 Sharp Kabushiki Kaisha Signaling parameters in vps extension and dpb 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
BR112022011704A2 (pt) 2022-11-22
EP4082210A1 (en) 2022-11-02
TWI855204B (zh) 2024-09-11
WO2021133788A1 (en) 2021-07-01
US11785205B2 (en) 2023-10-10
CA3162708A1 (en) 2021-07-01
TW202131698A (zh) 2021-08-16
CN114830673A (zh) 2022-07-29
US20210195175A1 (en) 2021-06-24
JP7609874B2 (ja) 2025-01-07
JP2023517428A (ja) 2023-04-26
MX2022007862A (es) 2022-07-19
KR20220113402A (ko) 2022-08-12

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