TWI855204B - 用於多層的共享解碼器圖片緩衝器的設備、方法與電腦可讀取儲存媒體 - Google Patents

用於多層的共享解碼器圖片緩衝器的設備、方法與電腦可讀取儲存媒體 Download PDF

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TWI855204B
TWI855204B TW109145638A TW109145638A TWI855204B TW I855204 B TWI855204 B TW I855204B TW 109145638 A TW109145638 A TW 109145638A TW 109145638 A TW109145638 A TW 109145638A TW I855204 B TWI855204 B TW I855204B
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Taiwan
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dpb
layer
picture
decoded
video
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TW109145638A
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Chinese (zh)
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TW202131698A (zh
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瓦迪姆 賽萊金
艾達希克里斯南 拉瑪蘇拉莫尼安
莫哈美德塞伊德 克班
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美商高通公司
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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)
TW109145638A 2019-12-24 2020-12-23 用於多層的共享解碼器圖片緩衝器的設備、方法與電腦可讀取儲存媒體 TWI855204B (zh)

Applications Claiming Priority (4)

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

Publications (2)

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TW202131698A TW202131698A (zh) 2021-08-16
TWI855204B true TWI855204B (zh) 2024-09-11

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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)

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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
US20190327477A1 (en) * 2018-04-18 2019-10-24 Qualcomm Incorporated Decoded picture buffer management and dynamic range adjustment

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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
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
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
US20190327477A1 (en) * 2018-04-18 2019-10-24 Qualcomm Incorporated Decoded picture buffer management and dynamic range adjustment

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BR112022011704A2 (pt) 2022-11-22
EP4082210A1 (en) 2022-11-02
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
KR20220113402A (ko) 2022-08-12

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