KR20220113402A - 다중 계층들에 대한 공유되는 디코더 픽처 버퍼 - Google Patents

다중 계층들에 대한 공유되는 디코더 픽처 버퍼 Download PDF

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KR20220113402A
KR20220113402A KR1020227020798A KR20227020798A KR20220113402A KR 20220113402 A KR20220113402 A KR 20220113402A KR 1020227020798 A KR1020227020798 A KR 1020227020798A KR 20227020798 A KR20227020798 A KR 20227020798A KR 20220113402 A KR20220113402 A KR 20220113402A
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South Korea
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picture
dpb
layer
video
decoding
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Korean (ko)
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바딤 세레긴
아다르쉬 크리쉬난 라마수브라모니안
무하메드 제이드 코반
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퀄컴 인코포레이티드
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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
    • H04N19/30—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
    • H04N19/102—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
    • H04N19/42—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227020798A 2019-12-24 2020-12-22 다중 계층들에 대한 공유되는 디코더 픽처 버퍼 Pending KR20220113402A (ko)

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 (1)

Publication Number Publication Date
KR20220113402A true KR20220113402A (ko) 2022-08-12

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KR1020227020798A Pending KR20220113402A (ko) 2019-12-24 2020-12-22 다중 계층들에 대한 공유되는 디코더 픽처 버퍼

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
CN114830673B (zh) 2025-11-04
MX2022007862A (es) 2022-07-19

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