JP7609874B2 - 複数のレイヤのための共有デコーダピクチャバッファ - Google Patents

複数のレイヤのための共有デコーダピクチャバッファ Download PDF

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JP7609874B2
JP7609874B2 JP2022537608A JP2022537608A JP7609874B2 JP 7609874 B2 JP7609874 B2 JP 7609874B2 JP 2022537608 A JP2022537608 A JP 2022537608A JP 2022537608 A JP2022537608 A JP 2022537608A JP 7609874 B2 JP7609874 B2 JP 7609874B2
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picture
dpb
layer
video
block
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JP2023517428A5 (https=
JP2023517428A (ja
JPWO2021133788A5 (https=
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セレジン、バディム
ラマスブラモニアン、アダルシュ・クリシュナン
コバン、ムハンメド・ゼイド
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/10—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022537608A 2019-12-24 2020-12-22 複数のレイヤのための共有デコーダピクチャバッファ Active JP7609874B2 (ja)

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 (4)

Publication Number Publication Date
JP2023517428A JP2023517428A (ja) 2023-04-26
JP2023517428A5 JP2023517428A5 (https=) 2023-12-04
JPWO2021133788A5 JPWO2021133788A5 (https=) 2023-12-04
JP7609874B2 true JP7609874B2 (ja) 2025-01-07

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JP2022537608A Active JP7609874B2 (ja) 2019-12-24 2020-12-22 複数のレイヤのための共有デコーダピクチャバッファ

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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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150172655A1 (en) 2013-12-12 2015-06-18 Qualcomm Incorporated Poc value design for multi-layer video coding
US20160044324A1 (en) 2013-04-07 2016-02-11 Sharp Kabushiki Kaisha Signaling change in output layer sets
US20160309159A1 (en) 2014-01-02 2016-10-20 Sharp Kabushiki Kaisha Signaling and derivation of decoded picture buffer parameters

Family Cites Families (8)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160044324A1 (en) 2013-04-07 2016-02-11 Sharp Kabushiki Kaisha Signaling change in output layer sets
US20150172655A1 (en) 2013-12-12 2015-06-18 Qualcomm Incorporated Poc value design for multi-layer video coding
US20160309159A1 (en) 2014-01-02 2016-10-20 Sharp Kabushiki Kaisha Signaling and derivation of decoded picture buffer parameters

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Adarsh K. Ramasubramonian, Hendry, and Sachin Deshpande，MV-HEVC/SHVC HLS: On sharing of sub-DPBs，Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JCTVC-Q0255，17th Meeting: Valencia, ES，2014年04月，pp.1-3
Adarsh K. Ramasubramonian, Hendry, Ye-Kui Wang, and Ying Chen，MV-HEVC/SHVC HLS: On DPB - to share or not to share, that is the question，Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JCTVC-Q0157，17th Meeting: Valencia, ES，2014年03月，pp.1-8
Adarsh K. Ramasubramonian, Ye-Kui Wang, and Hendry，MV-HEVC/SHVC HLS: On picture flushing and DPB parameters，Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JCTVC-Q0154，17th Meeting: Valencia, ES，2014年03月，pp.1-13
Vadim Seregin, Adarsh K. Ramasubramonian, Muhammed Coban, and Marta Karczewicz，AHG8: Clarification on DPB structure and picture output，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-Q0158，17th Meeting: Brussels, BE，2019年12月，pp.1-5

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
JP2023517428A (ja) 2023-04-26
CN114830673B (zh) 2025-11-04
MX2022007862A (es) 2022-07-19
KR20220113402A (ko) 2022-08-12

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