JP7427774B2 - サブビットストリーム抽出におけるｓｐｓエラー回避 - Google Patents

サブビットストリーム抽出におけるｓｐｓエラー回避 Download PDF

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JP7427774B2
JP7427774B2 JP2022521009A JP2022521009A JP7427774B2 JP 7427774 B2 JP7427774 B2 JP 7427774B2 JP 2022521009 A JP2022521009 A JP 2022521009A JP 2022521009 A JP2022521009 A JP 2022521009A JP 7427774 B2 JP7427774 B2 JP 7427774B2
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イェ－クイ・ワン
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ホアウェイ・テクノロジーズ・カンパニー・リミテッド
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JP2022521009A 2019-10-07 2020-10-06 サブビットストリーム抽出におけるｓｐｓエラー回避 Active JP7427774B2 (ja)

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JP2022521009A Active JP7427774B2 (ja) 2019-10-07 2020-10-06 サブビットストリーム抽出におけるｓｐｓエラー回避
JP2022521394A Active JP7423764B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521010A Active JP7451691B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521178A Active JP7419513B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521328A Active JP7413518B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521012A Active JP7439249B2 (ja) 2019-10-07 2020-10-06 サブビットストリーム抽出におけるエラー回避
JP2022521011A Active JP7404522B2 (ja) 2019-10-07 2020-10-06 Ｄｐｂサイズベースの参照ピクチャエントリ制約条件
JP2023210287A Active JP7575565B2 (ja) 2019-10-07 2023-12-13 Ｄｐｂサイズベースの参照ピクチャエントリ制約条件
JP2023219098A Active JP7612825B2 (ja) 2019-10-07 2023-12-26 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
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JP2024008764A Active JP7675231B2 (ja) 2019-10-07 2024-01-24 サブビットストリーム抽出におけるｓｐｓエラー回避
JP2024019656A Active JP7656107B2 (ja) 2019-10-07 2024-02-13 サブビットストリーム抽出におけるエラー回避
JP2024034318A Active JP7851978B2 (ja) 2019-10-07 2024-03-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
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JP2022521178A Active JP7419513B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521328A Active JP7413518B2 (ja) 2019-10-07 2020-10-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2022521012A Active JP7439249B2 (ja) 2019-10-07 2020-10-06 サブビットストリーム抽出におけるエラー回避
JP2022521011A Active JP7404522B2 (ja) 2019-10-07 2020-10-06 Ｄｐｂサイズベースの参照ピクチャエントリ制約条件
JP2023210287A Active JP7575565B2 (ja) 2019-10-07 2023-12-13 Ｄｐｂサイズベースの参照ピクチャエントリ制約条件
JP2023219098A Active JP7612825B2 (ja) 2019-10-07 2023-12-26 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
JP2024001380A Active JP7733142B2 (ja) 2019-10-07 2024-01-09 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
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JP2024008764A Active JP7675231B2 (ja) 2019-10-07 2024-01-24 サブビットストリーム抽出におけるｓｐｓエラー回避
JP2024019656A Active JP7656107B2 (ja) 2019-10-07 2024-02-13 サブビットストリーム抽出におけるエラー回避
JP2024034318A Active JP7851978B2 (ja) 2019-10-07 2024-03-06 マルチレイヤビデオビットストリーム内の冗長シグナリングの回避
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Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7036228B2 (ja) * 2018-12-12 2022-03-15 株式会社島津製作所 化学発光硫黄検出器
CN121099056A (zh) * 2019-09-11 2025-12-09 松下电器（美国）知识产权公司 编码装置、解码装置及计算机可读介质
IL291689B2 (en) 2019-09-24 2025-07-01 Huawei Tech Co Ltd Hypothetical Source Decoder (HRD) for checking the suitability of output layer sets (OLS)
CA3155874A1 (en) * 2019-09-24 2021-04-01 Huawei Technologies Co., Ltd. OLS FOR MULTI-VIEW EXTENSIBILITY
KR102825219B1 (ko) 2019-10-07 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 다중 계층 비디오 스트림에서의 중복 시그널링 방지
WO2021112037A1 (en) * 2019-12-06 2021-06-10 Sharp Kabushiki Kaisha Systems and methods for signaling temporal sublayer information in video coding
WO2021134018A1 (en) 2019-12-26 2021-07-01 Bytedance Inc. Signaling of decoded picture buffer parameters in layered video
CN114902674B (zh) 2019-12-26 2025-07-15 字节跳动有限公司 视频编解码中的档次、层和层级指示
CN114830662B (zh) * 2019-12-27 2023-04-14 阿里巴巴（中国）有限公司 用于对图像执行逐步解码刷新处理的方法和系统
EP4066387A4 (en) 2019-12-27 2023-02-15 ByteDance Inc. SUBPICTURE SIGNALING IN PARAMETER SETS
WO2021137597A1 (ko) * 2019-12-30 2021-07-08 엘지전자 주식회사 Ols에 대한 dpb 파라미터를 사용하는 영상 디코딩 방법 및 그 장치
KR20250124392A (ko) * 2019-12-30 2025-08-19 엘지전자 주식회사 Ols dpb 파라미터 인덱스를 포함하는 영상 정보 기반 영상 디코딩 방법 및 그 장치
US12177487B2 (en) * 2019-12-30 2024-12-24 Lg Electronics Inc. Image decoding method and device
CN115244932B (zh) * 2019-12-30 2025-08-15 Lg电子株式会社 用于对dpb参数进行编码的图像解码方法及其装置
WO2021142370A1 (en) 2020-01-09 2021-07-15 Bytedance Inc. Constraints on value ranges in video bitstreams
WO2021162016A1 (ja) * 2020-02-10 2021-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
EP4111701A4 (en) * 2020-03-17 2023-06-28 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods
WO2021190436A1 (en) 2020-03-21 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Reference picture resampling
US11381842B2 (en) * 2020-03-26 2022-07-05 Alibaba Group Holding Limited Methods for coding or decoding video parameter set or sequence parameter set
US11228776B1 (en) 2020-03-27 2022-01-18 Tencent America LLC Method for output layer set mode in multilayered video stream
US11509920B2 (en) * 2020-03-27 2022-11-22 Tencent America LLC Indication of max sublayer numbers in multilayered video stream
JP7525639B2 (ja) 2020-04-19 2024-07-30 北京字節跳動網絡技術有限公司 変換スキップ残差コーディング
US11818398B2 (en) * 2020-05-06 2023-11-14 Sharp Kabushiki Kaisha Systems and methods for signaling video parameter information in video coding
US11477471B2 (en) * 2020-05-20 2022-10-18 Tencent America LLC Techniques for signaling combination of reference picture resampling and spatial scalability
CN116134823A (zh) * 2020-05-25 2023-05-16 Lg电子株式会社 基于多层的图像编码设备和方法
WO2021252525A1 (en) * 2020-06-08 2021-12-16 Bytedance Inc. Constraints of slice count in a coded video picture
AU2021288502A1 (en) * 2020-06-09 2023-01-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Video coding aspects of temporal motion vector prediction, interlayer referencing and temporal sublayer indication
MX2022015676A (es) 2020-06-09 2023-01-16 Bytedance Inc Extraccion de subflujo de bits de flujos de bits de video de multiples capas.
MX2022015674A (es) * 2020-06-09 2023-01-16 Bytedance Inc Informacion de decodificador de video de referencia hipotetica anidada no escalable de se?alizacion.
US11503342B2 (en) * 2020-06-10 2022-11-15 Sharp Kabushiki Kaisha Systems and methods for signaling sequence parameter information in video coding
CN115702566A (zh) * 2020-06-10 2023-02-14 Lg电子株式会社 基于子层级别信息的图像编码/解码方法和设备及存储比特流的记录介质
CN115812304A (zh) 2020-06-20 2023-03-17 抖音视界有限公司 具有不同的编解码块大小的层间预测
WO2022065799A1 (ko) * 2020-09-22 2022-03-31 엘지전자 주식회사 미디어 파일 처리 방법 및 그 장치
US20220109865A1 (en) * 2020-10-02 2022-04-07 Sharp Kabushiki Kaisha Systems and methods for signaling picture buffer information for intra random access point picture sub-bitstreams in video coding
US11765376B2 (en) * 2020-10-08 2023-09-19 Tencent America LLC Pruning methods and apparatuses for neural network based video coding
WO2022139261A1 (ko) * 2020-12-21 2022-06-30 엘지전자 주식회사 미디어 파일 처리 방법 및 장치
AU2022333140B2 (en) 2021-08-26 2026-04-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. History-based rice parameter derivations for wavefront parallel processing in video coding
WO2024191678A1 (en) * 2023-03-10 2024-09-19 Bytedance Inc. Neural-network post-processing filter input pictures
TWI862229B (zh) * 2023-10-19 2024-11-11 大陸商星宸科技股份有限公司 視訊解碼方法及解碼裝置
CN120378624A (zh) * 2024-01-24 2025-07-25 华为技术有限公司 一种位流处理方法及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016539545A (ja) 2013-10-15 2016-12-15 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオ情報のスケーラブルコーディングのためのデバイスおよび方法

Family Cites Families (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8693549B2 (en) 2006-01-16 2014-04-08 Electronics And Telecommunications Research Institute Method and apparatus for selective inter-layer prediction on macroblock basis
JP2009538084A (ja) * 2006-11-17 2009-10-29 エルジー エレクトロニクス インコーポレイティド ビデオ信号のデコーディング／エンコーディング方法及び装置
AU2012225513B2 (en) * 2011-03-10 2016-06-23 Vidyo, Inc. Dependency parameter set for scalable video coding
US10034018B2 (en) * 2011-09-23 2018-07-24 Velos Media, Llc Decoded picture buffer management
EP2842322A1 (en) * 2012-04-24 2015-03-04 Telefonaktiebolaget LM Ericsson (Publ) Encoding and deriving parameters for coded multi-layer video sequences
US9635369B2 (en) * 2012-07-02 2017-04-25 Qualcomm Incorporated Video parameter set including HRD parameters
AU2013285333A1 (en) 2012-07-02 2015-02-05 Nokia Technologies Oy Method and apparatus for video coding
US10021394B2 (en) * 2012-09-24 2018-07-10 Qualcomm Incorporated Hypothetical reference decoder parameters in video coding
US9161039B2 (en) 2012-09-24 2015-10-13 Qualcomm Incorporated Bitstream properties in video coding
US9432664B2 (en) * 2012-09-28 2016-08-30 Qualcomm Incorporated Signaling layer identifiers for operation points in video coding
US9781413B2 (en) 2012-10-02 2017-10-03 Qualcomm Incorporated Signaling of layer identifiers for operation points
US9942545B2 (en) * 2013-01-03 2018-04-10 Texas Instruments Incorporated Methods and apparatus for indicating picture buffer size for coded scalable video
US20140218473A1 (en) * 2013-01-07 2014-08-07 Nokia Corporation Method and apparatus for video coding and decoding
US9992493B2 (en) * 2013-04-01 2018-06-05 Qualcomm Incorporated Inter-layer reference picture restriction for high level syntax-only scalable video coding
CN105308963B (zh) * 2013-04-05 2019-05-10 三星电子株式会社 用于对多层视频进行解码的方法和设备以及用于对多层视频进行编码的方法和设备
UA115804C2 (uk) * 2013-04-07 2017-12-26 Долбі Інтернешнл Аб Сигналізація зміни наборів рівнів виведення
US20140301477A1 (en) 2013-04-07 2014-10-09 Sharp Laboratories Of America, Inc. Signaling dpb parameters in vps extension and dpb operation
US9591321B2 (en) * 2013-04-07 2017-03-07 Dolby International Ab Signaling change in output layer sets
US9565437B2 (en) 2013-04-08 2017-02-07 Qualcomm Incorporated Parameter set designs for video coding extensions
US10003815B2 (en) * 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
US20160173887A1 (en) * 2013-07-10 2016-06-16 Sharp Kabushiki Kaisha Scaling list signaling and parameter sets activation
WO2015008479A1 (en) * 2013-07-14 2015-01-22 Sharp Kabushiki Kaisha Signaling indications and constraints
KR20150009424A (ko) * 2013-07-15 2015-01-26 한국전자통신연구원 시간적 서브 레이어 정보에 기반한 계층간 예측을 이용한 영상 부, 복호화 방법 및 그 장치
US9578328B2 (en) * 2013-07-15 2017-02-21 Qualcomm Incorporated Cross-layer parallel processing and offset delay parameters for video coding
US9794579B2 (en) * 2013-07-15 2017-10-17 Qualcomm Incorporated Decoded picture buffer operations for video coding
US9266552B2 (en) 2013-08-05 2016-02-23 Rene Guerster Steering system for wheeled land vehicle
WO2015053330A1 (ja) * 2013-10-10 2015-04-16 シャープ株式会社 画像復号装置
US9819941B2 (en) * 2013-10-10 2017-11-14 Qualcomm Incorporated Signaling for sub-decoded picture buffer (sub-DPB) based DPB operations in video coding
CN105556975A (zh) * 2013-10-11 2016-05-04 夏普株式会社 信令告知用于编码的信息
CN105706451B (zh) * 2013-10-11 2019-03-08 Vid拓展公司 Hevc扩展的高级句法
US10187662B2 (en) * 2013-10-13 2019-01-22 Sharp Kabushiki Kaisha Signaling parameters in video parameter set extension and decoder picture buffer operation
EP3090550A1 (en) * 2014-01-02 2016-11-09 VID SCALE, Inc. Sub-bitstream extraction process for hevc extensions
WO2015102042A1 (en) * 2014-01-02 2015-07-09 Sharp Kabushiki Kaisha Parameter set signaling
US10547834B2 (en) * 2014-01-08 2020-01-28 Qualcomm Incorporated Support of non-HEVC base layer in HEVC multi-layer extensions
JP6465863B2 (ja) * 2014-03-14 2019-02-06 シャープ株式会社 画像復号装置、画像復号方法及び記録媒体
US10250895B2 (en) * 2014-03-14 2019-04-02 Sharp Kabushiki Kaisha DPB capacity limits
JP6329246B2 (ja) * 2014-03-14 2018-05-23 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 画像復号装置
US20150264404A1 (en) 2014-03-17 2015-09-17 Nokia Technologies Oy Method and apparatus for video coding and decoding
US9866869B2 (en) * 2014-03-17 2018-01-09 Qualcomm Incorporated POC value design for multi-layer video coding
US11388441B2 (en) * 2014-03-18 2022-07-12 Qualcomm Incorporated Derivation of SPS temporal ID nesting information for multi-layer bitstreams
JP2015195543A (ja) 2014-03-26 2015-11-05 シャープ株式会社 画像復号装置、画像符号化装置
US9641851B2 (en) * 2014-04-18 2017-05-02 Qualcomm Incorporated Conformance window information in multi-layer coding
US10390087B2 (en) * 2014-05-01 2019-08-20 Qualcomm Incorporated Hypothetical reference decoder parameters for partitioning schemes in video coding
US9699480B2 (en) * 2014-06-13 2017-07-04 Sharp Laboratories Of America, Inc. Level limits
EP2958329B1 (en) 2014-06-16 2018-12-05 Thomson Licensing Method for encoding and decoding an image block based on dynamic range extension, encoder and decoder
US20170150160A1 (en) * 2014-06-17 2017-05-25 Sharp Kabushiki Kaisha Bitstream partitions operation
US20170134742A1 (en) 2014-06-18 2017-05-11 Sharp Kabushiki Kaisha Slice type and decoder conformance
US10063867B2 (en) 2014-06-18 2018-08-28 Qualcomm Incorporated Signaling HRD parameters for bitstream partitions
US9930340B2 (en) * 2014-06-20 2018-03-27 Qualcomm Incorporated Systems and methods for selectively performing a bitstream conformance check
US20150373343A1 (en) * 2014-06-20 2015-12-24 Qualcomm Incorporated Representation format update in multi-layer codecs
US9788007B2 (en) 2014-06-20 2017-10-10 Qualcomm Incorporated Profile, tier, level for the 0-th output layer set in video coding
US10432951B2 (en) 2014-06-24 2019-10-01 Qualcomm Incorporated Conformance and inoperability improvements in multi-layer video coding
AU2014216056A1 (en) 2014-08-25 2016-03-10 Canon Kabushiki Kaisha Method, apparatus and system for predicting a block of video samples
US20160112724A1 (en) * 2014-10-15 2016-04-21 Qualcomm Incorporated Hrd descriptor and buffer model of data streams for carriage of hevc extensions
US9538137B2 (en) 2015-04-09 2017-01-03 Microsoft Technology Licensing, Llc Mitigating loss in inter-operability scenarios for digital video
CN107852511B (zh) 2015-07-16 2020-09-22 杜比实验室特许公司 用于hdr和宽色域信号的信号整形和编码
WO2021045128A1 (en) * 2019-09-06 2021-03-11 Sharp Kabushiki Kaisha Systems and methods for signaling temporal sub-layer information in video coding
US11375223B2 (en) * 2019-09-20 2022-06-28 Tencent America LLC Method for signaling output layer set with sub-picture
US11159827B2 (en) * 2019-09-23 2021-10-26 Tencent America LLC Method for signaling output layer set with sub picture
CA3152464C (en) 2019-09-24 2024-05-14 Xiang Ma Methods and systems to signal inter-layer enabled syntax element in video coding
KR102825219B1 (ko) 2019-10-07 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 다중 계층 비디오 스트림에서의 중복 시그널링 방지
KR20260037179A (ko) 2020-03-30 2026-03-17 엘지전자 주식회사 Sps 내 ptl, dpb 및 hrd 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체
JP7529804B2 (ja) 2020-05-22 2024-08-06 バイトダンス インコーポレイテッド アクセスユニットにおけるピクチャ情報の信号通知
US20220109865A1 (en) * 2020-10-02 2022-04-07 Sharp Kabushiki Kaisha Systems and methods for signaling picture buffer information for intra random access point picture sub-bitstreams in video coding
US11611752B2 (en) 2020-10-07 2023-03-21 Lemon Inc. Adaptation parameter set storage in video coding
EP4226631A4 (en) 2020-10-07 2025-01-22 Nokia Technologies Oy CODED IMAGE WITH MIXED VCL-NAL UNIT
US12003777B2 (en) 2021-01-08 2024-06-04 Lemon Inc. Video decoder initialization information signaling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016539545A (ja) 2013-10-15 2016-12-15 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオ情報のスケーラブルコーディングのためのデバイスおよび方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross et al.，Versatile Video Coding (Draft 6) [online]，JVET-O2001-vE，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2001-v14.zip＞，2019年07月31日，pp.4-6,85-87，(JVET-O2001-vE.docx)
Miska M. Hannuksela et al.，AHG8/AHG17: Removing dependencies on VPS from the decoding process of a nonscalable bitstream [online]，JVET-P0097，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/16_Geneva/wg11/JVET-P0097-v1.zip＞，2019年09月24日
Virginie Drugeon et al.，AHG17: Presence of Video Parameter Set in bitstreams [online]，JVET-P0205，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/16_Geneva/wg11/JVET-P0205-v1.zip＞，2019年09月23日

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KR20250097977A (ko) 2025-06-30
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