JPWO2020177659A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2020177659A5
JPWO2020177659A5 JP2021551506A JP2021551506A JPWO2020177659A5 JP WO2020177659 A5 JPWO2020177659 A5 JP WO2020177659A5 JP 2021551506 A JP2021551506 A JP 2021551506A JP 2021551506 A JP2021551506 A JP 2021551506A JP WO2020177659 A5 JPWO2020177659 A5 JP WO2020177659A5
Authority
JP
Japan
Prior art keywords
sample
video block
current video
block
conversion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021551506A
Other languages
Japanese (ja)
Other versions
JP7405861B2 (en
JP2022522739A (en
Publication date
Application filed filed Critical
Priority claimed from PCT/CN2020/077415 external-priority patent/WO2020177659A1/en
Publication of JP2022522739A publication Critical patent/JP2022522739A/en
Publication of JPWO2020177659A5 publication Critical patent/JPWO2020177659A5/ja
Priority to JP2023210570A priority Critical patent/JP2024028972A/en
Application granted granted Critical
Publication of JP7405861B2 publication Critical patent/JP7405861B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (14)

視覚メディア処理方法であって、
映像の現在の映像ブロックと前記映像のビットストリームとの変換のために、第1のコーディングモードが前記現在の映像ブロックに適用されることを判定することと、
前記現在の映像ブロックにおける第1のブロックベクトル(BVx,BVy)を導出することと、
前記第1のブロックベクトル及びサンプルバッファに基づいて前記現在の映像ブロックの予測サンプルを生成することであって、フィルタリング演算を適用せずに前の映像ブロックの再構成サンプルを前記サンプルバッファに記憶し、前記第1のコーディングモードにおいて前記現在の映像ブロックを含む同じピクチャから前記予測サンプルを導出し、前記サンプルバッファのビット深度は前記変換時に使用される再構成バッファのビット深度と同一である、生成することと、
前記予測サンプルに基づいて前記変換を行うことと、
を含む方法。
It ’s a visual media processing method.
Determining that the first coding mode is applied to the current video block for conversion between the current video block of the video and the bitstream of the video.
Derivation of the first block vector (BVx, BVy) in the current video block and
By generating a prediction sample of the current video block based on the first block vector and the sample buffer, the reconstruction sample of the previous video block is stored in the sample buffer without applying a filtering operation. The predicted sample is derived from the same picture containing the current video block in the first coding mode, and the bit depth of the sample buffer is the same as the bit depth of the reconstruction buffer used during the conversion. To do and
Performing the conversion based on the prediction sample and
How to include.
前記サンプルバッファは、第1の順序で更新される、
請求項1に記載の方法。
The sample buffer is updated in the first order,
The method according to claim 1.
前記第1の順序は、前記変換時の再構成サンプルの順序である、
請求項2に記載の方法。
The first order is the order of the reconstructed samples at the time of conversion.
The method according to claim 2.
前記第1の順序は、先入れ先出し規則に基づく、
請求項2に記載の方法。
The first order is based on the first-in first-out rule.
The method according to claim 2.
前記サンプルバッファが満杯である場合、前記サンプルバッファに最も早く追加されたサンプルは、最新の再構成サンプルと置き換えられている、
請求項1~4のいずれか1項に記載の方法。
If the sample buffer is full, the earliest sample added to the sample buffer has been replaced with the latest reconstructed sample.
The method according to any one of claims 1 to 4.
前記サンプルバッファが長方形の領域であり、
前記サンプルバッファのサイズは、ビットストリーム表現に含まれるフィールドに基づいて示される、
請求項1~5のいずれか1項に記載の方法。
The sample buffer is a rectangular area.
The size of the sample buffer is indicated based on the fields contained in the bitstream representation.
The method according to any one of claims 1 to 5.
前記前の映像ブロックの一部は、前記現在の映像ブロックを含む現在のコーディングツリーブロックとは異なるコーディングツリーブロックに配置されている、
請求項1~6のいずれか1項に記載の方法。
A part of the previous video block is arranged in a coding tree block different from the current coding tree block including the current video block.
The method according to any one of claims 1 to 6.
前記現在の映像ブロック内の第1のサンプル(x0,y0)の予測サンプルを生成するために、位置変換演算が(x0+BVx,y0+BVy)に適用され、第1の予測サンプルの前記サンプルバッファ内の位置を導出する、
請求項1~7のいずれか一項に記載の方法。
A position conversion operation is applied to (x0 + BVx, y0 + BVy) to generate a predicted sample of the first sample (x0, y0) in the current video block, and the position of the first predicted sample in the sample buffer. To derive,
The method according to any one of claims 1 to 7.
前記位置変換演算は、モジュロ演算であり、
前記第1の予測サンプルの前記位置は、((x0+BVx)modM、(y0+BVy)modN)で表され、
前記modは、モジュロ関数である、
請求項8に記載の方法。
The position conversion operation is a modulo operation, and is
The position of the first prediction sample is represented by ((x0 + BVx) modM, (y0 + BVy) modN).
The mod is a modulo function,
The method according to claim 8.
前記変換は、前記現在の映像ブロックをビットストリームに符号化することを含む、
請求項1~9のいずれか1項に記載の方法。
The conversion comprises encoding the current video block into a bitstream.
The method according to any one of claims 1 to 9.
前記変換は、前記ビットストリームから前記現在の映像ブロックを復号化することを含む、
請求項1~9のいずれか1項に記載の方法。
The conversion comprises decoding the current video block from the bitstream.
The method according to any one of claims 1 to 9.
プロセッサと、命令を有する非一時的メモリと、を含む映像データ処理装置であって、
前記プロセッサは、前記命令を実行することで、
映像の現在の映像ブロックと前記映像のビットストリームとの変換のために、第1のコーディングモードが前記現在の映像ブロックに適用されることを判定することと、
前記現在の映像ブロックにおける第1のブロックベクトル(BVx,BVy)を導出することと、
前記第1のブロックベクトル及びサンプルバッファに基づいて前記現在の映像ブロックの予測サンプルを生成することであって、フィルタリング演算を適用せずに前の映像ブロックの再構成サンプルを前記サンプルバッファに記憶し、前記第1のコーディングモードにおいて前記現在の映像ブロックを含む同じピクチャから前記予測サンプルを導出し、前記サンプルバッファのビット深度は前記変換時に使用される再構成バッファのビット深度と同一である、生成することと、
前記予測サンプルに基づいて前記変換を行うことと、
を実行する装置。
A video data processing device that includes a processor and non-temporary memory with instructions.
The processor executes the instruction to execute the instruction.
Determining that the first coding mode is applied to the current video block for conversion between the current video block of the video and the bitstream of the video.
Derivation of the first block vector (BVx, BVy) in the current video block and
By generating a prediction sample of the current video block based on the first block vector and the sample buffer, the reconstruction sample of the previous video block is stored in the sample buffer without applying a filtering operation. The predicted sample is derived from the same picture containing the current video block in the first coding mode, and the bit depth of the sample buffer is the same as the bit depth of the reconstruction buffer used during the conversion. To do and
Performing the conversion based on the prediction sample and
A device that runs.
命令を記憶する非一時的なコンピュータ可読記憶媒体であって、
前記命令は、プロセッサに、
映像の現在の映像ブロックと前記映像のビットストリームとの変換のために、第1のコーディングモードが前記現在の映像ブロックに適用されることを判定することと、
前記現在の映像ブロックにおける第1のブロックベクトル(BVx,BVy)を導出することと、
前記第1のブロックベクトル及びサンプルバッファに基づいて前記現在の映像ブロックの予測サンプルを生成することであって、フィルタリング演算を適用せずに前の映像ブロックの再構成サンプルを前記サンプルバッファに記憶し、前記第1のコーディングモードにおいて前記現在の映像ブロックを含む同じピクチャから前記予測サンプルを導出し、前記サンプルバッファのビット深度は前記変換時に使用される再構成バッファのビット深度と同一である、生成することと、
前記予測サンプルに基づいて前記変換を行うことと、を実行させる、
記憶媒体。
A non-temporary computer-readable storage medium that stores instructions
The instruction is given to the processor.
Determining that the first coding mode is applied to the current video block for conversion between the current video block of the video and the bitstream of the video.
Derivation of the first block vector (BVx, BVy) in the current video block and
By generating a prediction sample of the current video block based on the first block vector and the sample buffer, the reconstruction sample of the previous video block is stored in the sample buffer without applying a filtering operation. The predicted sample is derived from the same picture containing the current video block in the first coding mode, and the bit depth of the sample buffer is the same as the bit depth of the reconstruction buffer used during the conversion. To do and
Performing the transformation based on the prediction sample and executing the transformation.
Storage medium.
映像処理装置によって実行される方法によって生成される映像のビットストリームを記録する非一時的なコンピュータ可読記録媒体であって、
前記方法は、
第1のコーディングモードが現在の映像ブロックに適用されることを判定することと、
前記現在の映像ブロックにおける第1のブロックベクトル(BVx,BVy)を導出することと、
前記第1のブロックベクトル及びサンプルバッファに基づいて前記現在の映像ブロックの予測サンプルを生成することであって、フィルタリング演算を適用せずに前の映像ブロックの再構成サンプルを前記サンプルバッファに記憶し、前記第1のコーディングモードにおいて前記現在の映像ブロックを含む同じピクチャから前記予測サンプルを導出し、前記サンプルバッファのビット深度は前記変換時に使用される再構成バッファのビット深度と同一である、生成することと、
前記予測サンプルに基づいて前記ビットストリームを生成することと、を含む、
記録媒体。
A non-temporary computer-readable recording medium that records a bitstream of video produced by a method performed by a video processor.
The method is
Determining that the first coding mode applies to the current video block,
Derivation of the first block vector (BVx, BVy) in the current video block and
By generating a prediction sample of the current video block based on the first block vector and the sample buffer, the reconstruction sample of the previous video block is stored in the sample buffer without applying a filtering operation. The predicted sample is derived from the same picture containing the current video block in the first coding mode, and the bit depth of the sample buffer is the same as the bit depth of the reconstruction buffer used during the conversion. To do and
Including generating the bitstream based on the prediction sample.
recoding media.
JP2021551506A 2019-03-01 2020-03-02 Direction-based prediction for intra block copy in video coding Active JP7405861B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023210570A JP2024028972A (en) 2019-03-01 2023-12-13 Direction-based prediction for intra block copy in video coding

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2019076695 2019-03-01
CNPCT/CN2019/076695 2019-03-01
PCT/CN2020/077415 WO2020177659A1 (en) 2019-03-01 2020-03-02 Direction-based prediction for intra block copy in video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023210570A Division JP2024028972A (en) 2019-03-01 2023-12-13 Direction-based prediction for intra block copy in video coding

Publications (3)

Publication Number Publication Date
JP2022522739A JP2022522739A (en) 2022-04-20
JPWO2020177659A5 true JPWO2020177659A5 (en) 2022-06-21
JP7405861B2 JP7405861B2 (en) 2023-12-26

Family

ID=78009312

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021551506A Active JP7405861B2 (en) 2019-03-01 2020-03-02 Direction-based prediction for intra block copy in video coding
JP2023210570A Pending JP2024028972A (en) 2019-03-01 2023-12-13 Direction-based prediction for intra block copy in video coding

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023210570A Pending JP2024028972A (en) 2019-03-01 2023-12-13 Direction-based prediction for intra block copy in video coding

Country Status (5)

Country Link
US (2) US11882287B2 (en)
EP (1) EP3915265A4 (en)
JP (2) JP7405861B2 (en)
KR (1) KR20210132658A (en)
CN (2) CN113508597B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020156540A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer management for intra block copy in video coding
JP7405861B2 (en) 2019-03-01 2023-12-26 北京字節跳動網絡技術有限公司 Direction-based prediction for intra block copy in video coding
CN117640927A (en) 2019-03-04 2024-03-01 北京字节跳动网络技术有限公司 Implementation aspects in intra block replication in video codec
US11516472B2 (en) * 2019-06-21 2022-11-29 Hyundai Motor Company Method and apparatus for controlling coding tools
CA3146016A1 (en) 2019-07-06 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
MX2022000110A (en) 2019-07-10 2022-02-10 Beijing Bytedance Network Tech Co Ltd Sample identification for intra block copy in video coding.
CN117579816A (en) * 2019-07-11 2024-02-20 北京字节跳动网络技术有限公司 Bit stream consistency constraints for intra block copying in video codec
JP7323709B2 (en) 2019-09-09 2023-08-08 北京字節跳動網絡技術有限公司 Encoding and decoding intra-block copies
MX2022002916A (en) 2019-09-19 2022-04-06 Beijing Bytedance Network Tech Co Ltd Deriving reference sample positions in video coding.
US11375219B2 (en) * 2019-09-24 2022-06-28 Tencent America LLC Coding method and system with improved dynamic internal bit depth

Family Cites Families (199)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA03006715A (en) 2001-11-29 2003-10-24 Matsushita Electric Ind Co Ltd Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same.
KR100491530B1 (en) * 2002-05-03 2005-05-27 엘지전자 주식회사 Method of determining motion vector
CN100499788C (en) 2003-01-09 2009-06-10 加利福尼亚大学董事会 Video encoding devices
JP4360093B2 (en) 2003-02-05 2009-11-11 ソニー株式会社 Image processing apparatus and encoding apparatus and methods thereof
US7403660B2 (en) 2003-04-30 2008-07-22 Nokia Corporation Encoding picture arrangement parameter in picture bitstream
US7570305B2 (en) 2004-03-26 2009-08-04 Euresys S.A. Sampling of video data and analyses of the sampled data to determine video properties
CN1589028B (en) 2004-07-29 2010-05-05 展讯通信(上海)有限公司 Predicting device and method based on pixel flowing frame
US20060233237A1 (en) 2005-04-15 2006-10-19 Apple Computer, Inc. Single pass constrained constant bit-rate encoding
US7801223B2 (en) * 2006-07-27 2010-09-21 Lsi Corporation Method for video decoder memory reduction
JP4592656B2 (en) 2006-08-17 2010-12-01 富士通セミコンダクター株式会社 Motion prediction processing device, image encoding device, and image decoding device
AP2545A (en) 2006-10-20 2012-12-20 Nokia Corp Virtual decoded reference picture marking and reference picture list
CN100551073C (en) 2006-12-05 2009-10-14 华为技术有限公司 Decoding method and device, image element interpolation processing method and device
JP4254866B2 (en) 2007-01-31 2009-04-15 ソニー株式会社 Information processing apparatus and method, program, and recording medium
JP2008227702A (en) 2007-03-09 2008-09-25 Oki Electric Ind Co Ltd Motion vector search device, motion vector search method, and motion vector search program
US7916728B1 (en) 2007-09-28 2011-03-29 F5 Networks, Inc. Lockless atomic table update
JP2009272724A (en) 2008-04-30 2009-11-19 Panasonic Corp Video coding-decoding device
WO2010007590A2 (en) 2008-07-17 2010-01-21 Amimon Ltd. Methods circuits and systems for transmission and reconstruction of a video block
US8171269B2 (en) 2009-03-06 2012-05-01 Agere Systems Inc. Branch target buffer with entry source field for use in determining replacement priority
TWI383688B (en) 2009-03-11 2013-01-21 Quanta Comp Inc Video compression circuit and method thereof
ES2665500T3 (en) 2010-03-08 2018-04-26 Dana-Farber Cancer Institute, Inc. Enrichment of a complete COLD PCR with reference blocking sequence
EP3101897B1 (en) 2010-04-09 2021-10-20 Xylene Holding S.A. Moving image encoding device and method, moving image decoding device and method, bitstream
US20110249754A1 (en) 2010-04-12 2011-10-13 Qualcomm Incorporated Variable length coding of coded block pattern (cbp) in video compression
EP2559239A2 (en) 2010-04-13 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for intra predicting a block, apparatus for reconstructing a block of a picture, apparatus for reconstructing a block of a picture by intra prediction
US9118929B2 (en) * 2010-04-14 2015-08-25 Mediatek Inc. Method for performing hybrid multihypothesis prediction during video coding of a coding unit, and associated apparatus
US8917774B2 (en) 2010-06-30 2014-12-23 Warner Bros. Entertainment Inc. Method and apparatus for generating encoded content using dynamically optimized conversion
EP2596637B1 (en) 2010-07-21 2021-08-04 Dolby Laboratories Licensing Corporation Systems and methods for multi-layered frame-compatible video delivery
US9161056B2 (en) * 2010-11-24 2015-10-13 Texas Instruments Incorporated Method for low memory footprint compressed video decoding
US20120236931A1 (en) 2010-12-23 2012-09-20 Qualcomm Incorporated Transform coefficient scan
CN102595118B (en) 2011-01-14 2015-04-08 华为技术有限公司 Prediction method and predictor in encoding and decoding
ES2715782T3 (en) 2011-04-21 2019-06-06 Hfi Innovation Inc Procedure and apparatus for improved loop filtering
CN107277539B (en) 2011-05-27 2020-11-06 寰发股份有限公司 Method and apparatus for reducing line cache in context adaptive entropy decoding
EP2719184B1 (en) * 2011-06-10 2018-09-12 HFI Innovation Inc. Method and apparatus of scalable video coding
CN105721880B (en) * 2011-06-30 2019-04-05 微软技术许可有限责任公司 For reducing the method and system of the delay in Video coding and decoding
US9131245B2 (en) 2011-09-23 2015-09-08 Qualcomm Incorporated Reference picture list construction for video coding
US9426463B2 (en) 2012-02-08 2016-08-23 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
US8947449B1 (en) 2012-02-21 2015-02-03 Google Inc. Color space conversion between semi-planar YUV and planar YUV formats
WO2013128010A2 (en) * 2012-03-02 2013-09-06 Canon Kabushiki Kaisha Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream
US9465716B2 (en) 2012-03-16 2016-10-11 International Business Machines Corporation Run-time instrumentation directed sampling
US9906786B2 (en) 2012-09-07 2018-02-27 Qualcomm Incorporated Weighted prediction mode for scalable video coding
US9805442B2 (en) * 2012-10-03 2017-10-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Fine-grained bit-rate control
US9693055B2 (en) 2012-12-28 2017-06-27 Electronics And Telecommunications Research Institute Video encoding and decoding method and apparatus using the same
EP2941868B1 (en) 2013-01-07 2020-07-08 Nokia Technologies Oy Method and apparatus for video coding and decoding
US9491460B2 (en) 2013-03-29 2016-11-08 Qualcomm Incorporated Bandwidth reduction for video coding prediction
US10904551B2 (en) * 2013-04-05 2021-01-26 Texas Instruments Incorporated Video coding using intra block copy
CN105325003B (en) 2013-04-17 2019-05-28 诺基亚技术有限公司 For Video coding and decoded device, method
US20140348240A1 (en) 2013-05-22 2014-11-27 Qualcomm Incorporated Video coding using sample prediction among color components
US10015515B2 (en) 2013-06-21 2018-07-03 Qualcomm Incorporated Intra prediction from a predictive block
US20140376611A1 (en) 2013-06-21 2014-12-25 Qualcomm Incorporated Adaptive color transforms for video coding
US9560358B2 (en) 2013-07-22 2017-01-31 Qualcomm Incorporated Device and method for scalable coding of video information
US10313682B2 (en) 2013-08-26 2019-06-04 Qualcomm Incorporated Determining regions when performing intra block copying
US9503715B2 (en) 2013-08-30 2016-11-22 Qualcomm Incorporated Constrained intra prediction in video coding
AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
CN105659602B (en) 2013-10-14 2019-10-08 微软技术许可有限责任公司 Coder side option for the intra block duplication prediction mode that video and image encode
JP6359101B2 (en) 2013-10-14 2018-07-18 マイクロソフト テクノロジー ライセンシング,エルエルシー Features of intra block copy prediction mode for video and image encoding and decoding
CN105684409B (en) 2013-10-25 2019-08-13 微软技术许可有限责任公司 Each piece is indicated using hashed value in video and image coding and decoding
EP3061253A1 (en) 2013-10-25 2016-08-31 Microsoft Technology Licensing, LLC Hash-based block matching in video and image coding
CN106416250B (en) 2013-12-02 2020-12-04 诺基亚技术有限公司 Video encoding and decoding
JP6537511B2 (en) 2013-12-10 2019-07-03 キヤノン株式会社 Improved palette mode in HEVC
JP6469588B2 (en) 2013-12-19 2019-02-13 シャープ株式会社 Residual prediction device, image decoding device, image coding device, residual prediction method, image decoding method, and image coding method
US9797811B2 (en) 2013-12-24 2017-10-24 Dresser, Inc. System and method for identifying data useful for valve diagnostics
US10390034B2 (en) 2014-01-03 2019-08-20 Microsoft Technology Licensing, Llc Innovations in block vector prediction and estimation of reconstructed sample values within an overlap area
RU2669005C2 (en) 2014-01-03 2018-10-05 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Block vector prediction in video and image coding/decoding
US9883197B2 (en) 2014-01-09 2018-01-30 Qualcomm Incorporated Intra prediction of chroma blocks using the same vector
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
CN106416243B (en) 2014-02-21 2019-05-03 联发科技(新加坡)私人有限公司 Utilize the method for video coding based on the duplication prediction of I picture block
MX365498B (en) * 2014-03-04 2019-06-05 Microsoft Technology Licensing Llc Adaptive switching of color spaces, color sampling rates and/or bit depths.
WO2015131323A1 (en) 2014-03-04 2015-09-11 Microsoft Technology Licensing, Llc Block flipping and skip mode in intra block copy prediction
US10567754B2 (en) 2014-03-04 2020-02-18 Microsoft Technology Licensing, Llc Hash table construction and availability checking for hash-based block matching
US20150264383A1 (en) 2014-03-14 2015-09-17 Mitsubishi Electric Research Laboratories, Inc. Block Copy Modes for Image and Video Coding
AU2014201583A1 (en) 2014-03-14 2015-10-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data using a block dictionary
US9712837B2 (en) * 2014-03-17 2017-07-18 Qualcomm Incorporated Level definitions for multi-layer video codecs
US9756354B2 (en) 2014-03-17 2017-09-05 Qualcomm Incorporated Block vector predictor for intra block copying
US9860559B2 (en) 2014-03-17 2018-01-02 Mediatek Singapore Pte. Ltd. Method of video coding using symmetric intra block copy
US20150264348A1 (en) 2014-03-17 2015-09-17 Qualcomm Incorporated Dictionary coding of video content
US10477232B2 (en) 2014-03-21 2019-11-12 Qualcomm Incorporated Search region determination for intra block copy in video coding
US10432928B2 (en) 2014-03-21 2019-10-01 Qualcomm Incorporated Using a current picture as a reference for video coding
US9877034B2 (en) 2014-04-14 2018-01-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Pipelined video decoder system
KR101863487B1 (en) 2014-05-06 2018-05-31 에이치에프아이 이노베이션 인크. Method of block vector prediction for intra block copy mode coding
AU2014202682A1 (en) 2014-05-16 2015-12-03 Canon Kabushiki Kaisha Method, apparatus and system for copying a block of video samples
US10091512B2 (en) 2014-05-23 2018-10-02 Futurewei Technologies, Inc. Advanced screen content coding with improved palette table and index map coding methods
AU2014202921B2 (en) 2014-05-29 2017-02-02 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples
KR102402622B1 (en) 2014-06-19 2022-05-27 브이아이디 스케일, 인크. Methods and systems for intra block copy coding with block vector derivation
US10327001B2 (en) 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy
EP3158754B1 (en) 2014-06-19 2021-10-20 VID SCALE, Inc. Methods and systems for intra block copy search enhancement
KR102311815B1 (en) 2014-06-19 2021-10-13 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 Unified intra block copy and inter prediction modes
US9948949B2 (en) 2014-06-20 2018-04-17 Qualcomm Incorporated Intra block copy block vector signaling for video coding
KR101748620B1 (en) 2014-06-20 2017-07-04 성균관대학교산학협력단 Video encoding and decoding method and apparatus using the same
KR101961385B1 (en) 2014-07-07 2019-03-25 에이치에프아이 이노베이션 인크. Method of intra block copy search and compensation range
US10412387B2 (en) 2014-08-22 2019-09-10 Qualcomm Incorporated Unified intra-block copy and inter-prediction
WO2016034058A1 (en) 2014-09-01 2016-03-10 Mediatek Inc. Method of intra picture block copy for screen content and video coding
EP3180916A4 (en) 2014-09-03 2018-02-28 MediaTek Inc. Method for color index coding using a generalized copy previous mode
US10856009B2 (en) 2014-09-04 2020-12-01 Mediatek Inc. Method of block vector clipping and coding for screen content coding and video coding
EP3198872A1 (en) 2014-09-26 2017-08-02 VID SCALE, Inc. Intra block copy coding with temporal block vector prediction
EP3202150B1 (en) 2014-09-30 2021-07-21 Microsoft Technology Licensing, LLC Rules for intra-picture prediction modes when wavefront parallel processing is enabled
KR102490706B1 (en) 2014-09-30 2023-01-19 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 Hash-based encoder decisions for video coding
GB2531001B (en) 2014-10-06 2019-06-05 Canon Kk Method and apparatus for vector encoding in video coding and decoding
CN105491376B (en) 2014-10-06 2020-01-07 同济大学 Image coding and decoding method and device
GB2533905A (en) 2014-10-06 2016-07-13 Canon Kk Method and apparatus for video coding and decoding
US9918105B2 (en) 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
US9832467B2 (en) 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying
CN110719468B (en) 2014-10-08 2021-06-25 联发科技股份有限公司 Video coding method
US10212445B2 (en) 2014-10-09 2019-02-19 Qualcomm Incorporated Intra block copy prediction restrictions for parallel processing
US9838662B2 (en) 2014-10-10 2017-12-05 Qualcomm Incorporated Harmonization of cross-component prediction and adaptive color transform in video coding
US10283091B2 (en) * 2014-10-13 2019-05-07 Microsoft Technology Licensing, Llc Buffer optimization
CN107005717B (en) 2014-11-12 2020-04-07 寰发股份有限公司 Skip pixel coding and decoding method in index mapping coding and decoding
ES2907602T3 (en) 2014-12-31 2022-04-25 Nokia Technologies Oy Cross-layer prediction for scalable video encoding and decoding
US9591325B2 (en) * 2015-01-27 2017-03-07 Microsoft Technology Licensing, Llc Special case handling for merged chroma blocks in intra block copy prediction mode
EP3251350B1 (en) 2015-01-29 2023-04-19 VID SCALE, Inc. Intra-block copy searching
US10165292B2 (en) 2015-02-02 2018-12-25 Mediatek Inc. Method and apparatus for intra block copy mode in video coding system with pipeline architecture
US20160227222A1 (en) 2015-02-02 2016-08-04 Mediatek Inc. Multi-Standard Video Decoder with Novel Intra Prediction Decoding
US9955185B2 (en) * 2015-02-12 2018-04-24 Mediatek Inc. Method and apparatus of constrained intra block copy for coding video
US10205968B2 (en) 2015-02-13 2019-02-12 Mediatek Inc. Method and apparatus for palette index coding in video and image compression
WO2016138854A1 (en) 2015-03-02 2016-09-09 Mediatek Inc. Method and apparatus for intrabc mode with fractional-pel block vector resolution in video coding
US10148981B2 (en) 2015-03-20 2018-12-04 Mediatek Singapore Pte. Ltd. Methods of palette coding with inter-prediction in video coding
US20180255304A1 (en) 2015-03-29 2018-09-06 Lg Electronics Inc. Method and device for encoding/decoding video signal
WO2016167538A1 (en) 2015-04-12 2016-10-20 엘지전자(주) Method for encoding and decoding video signal, and apparatus therefor
US10200713B2 (en) 2015-05-11 2019-02-05 Qualcomm Incorporated Search region determination for inter coding within a particular picture of video data
AU2016269362A1 (en) 2015-05-28 2017-12-07 Hfi Innovation Inc. Method and apparatus for using a current picture as a reference picture
US10587881B2 (en) 2015-05-29 2020-03-10 Hfi Innovation Inc. Method of decoded picture buffer management for intra block copy mode
CA2986950C (en) 2015-06-03 2022-03-15 Mediatek Inc. Method and apparatus of error handling for video coding using intra block copy mode
US20160360234A1 (en) 2015-06-03 2016-12-08 Apple Inc. Techniques For Resource Conservation During Performance Of Intra Block Copy Prediction Searches
CN107615765A (en) 2015-06-03 2018-01-19 联发科技股份有限公司 The method and apparatus of resource-sharing in video coding and decoding system between intra block replication mode and inter-frame forecast mode
WO2016194721A1 (en) 2015-06-05 2016-12-08 ソニー株式会社 Image processing device and image processing method
EP4040791A1 (en) 2015-06-08 2022-08-10 Vid Scale, Inc. Intra block copy mode for screen content coding
CN115134608A (en) * 2015-06-11 2022-09-30 杜比实验室特许公司 Method for encoding and decoding image using adaptive deblocking filtering and apparatus therefor
US10178403B2 (en) 2015-06-23 2019-01-08 Qualcomm Incorporated Reference picture list construction in intra block copy mode
CN112887711B (en) 2015-07-27 2023-06-30 寰发股份有限公司 Video encoding and decoding method and system
KR102164062B1 (en) 2015-09-08 2020-10-13 미디어텍 인크. Method and system of decoded picture buffer for intra block copy mode
GB2543736B (en) 2015-09-10 2019-03-27 Advanced Risc Mach Ltd An interface apparatus and method of operating an interface apparatus
US10097836B2 (en) 2015-09-28 2018-10-09 Samsung Electronics Co., Ltd. Method and device to mark a reference picture for video coding
US10491922B2 (en) 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US20170099490A1 (en) 2015-10-02 2017-04-06 Qualcomm Incorporated Constrained intra-prediction for block copy mode
US10812822B2 (en) 2015-10-02 2020-10-20 Qualcomm Incorporated Intra block copy merge mode and padding of unavailable IBC reference region
AU2016343499B2 (en) 2015-10-19 2019-08-29 Hfi Innovation Inc. Method and apparatus for decoded picture buffer management in video coding system using intra block copy
CN108496367B (en) * 2015-11-11 2022-07-12 三星电子株式会社 Method and apparatus for decoding video and method and apparatus for encoding video
US20170188033A1 (en) 2015-12-23 2017-06-29 Mediatek Inc. Method and Apparatus of Bandwidth Estimation and Reduction for Video Coding
US10630992B2 (en) 2016-01-08 2020-04-21 Samsung Electronics Co., Ltd. Method, application processor, and mobile terminal for processing reference image
US10404979B2 (en) 2016-03-17 2019-09-03 Mediatek Inc. Video coding with interpolated reference pictures
US10575007B2 (en) 2016-04-12 2020-02-25 Microsoft Technology Licensing, Llc Efficient decoding and rendering of blocks in a graphics pipeline
US20200322599A1 (en) 2016-05-28 2020-10-08 Mediatek Inc. Method and apparatus of current picture referencing for video coding using affine motion compensation
US10157480B2 (en) 2016-06-24 2018-12-18 Microsoft Technology Licensing, Llc Efficient decoding and rendering of inter-coded blocks in a graphics pipeline
US20170374369A1 (en) 2016-06-24 2017-12-28 Mediatek Inc. Methods and Apparatuses of Decoder Side Intra Mode Derivation
KR102521272B1 (en) 2016-07-08 2023-04-12 브이아이디 스케일, 인크. 360-degree video coding using geometry projection
CN117201777A (en) 2016-09-13 2023-12-08 韩国电子通信研究院 Video encoding/decoding method and apparatus, and recording medium storing bit stream
CN107846597B (en) 2016-09-20 2019-12-10 上海澜至半导体有限公司 data caching method and device for video decoder
CN109792522B (en) 2016-09-30 2021-10-15 索尼公司 Image processing apparatus and method
GB2554686A (en) 2016-10-04 2018-04-11 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
US10049247B2 (en) 2016-10-12 2018-08-14 Datalogic Usa, Inc. Optimization of image frame management in a sweep-style optical code data reader
US10499371B2 (en) 2016-11-03 2019-12-03 Samsung Electronics Co., Ltd. Method and apparatus of flexible data transmissions and receptions in next generation cellular networks
US10681370B2 (en) * 2016-12-29 2020-06-09 Qualcomm Incorporated Motion vector generation for affine motion model for video coding
US10694181B2 (en) 2017-01-27 2020-06-23 Qualcomm Incorporated Bilateral filters in video coding with reduced complexity
TWI782974B (en) * 2017-04-13 2022-11-11 美商松下電器(美國)知識產權公司 Decoding device, decoding method, and non-transitory computer-readable medium
KR102577599B1 (en) 2017-04-13 2023-09-12 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 Encoding device, decoding device, encoding method and decoding method
CN107057177A (en) 2017-04-27 2017-08-18 江苏华昌织物有限公司 A kind of degradable mulch Masterbatch and preparation method thereof
US10743032B2 (en) 2017-05-24 2020-08-11 Qualcomm Incorporated Substream multiplexing for display stream compression
JP6324590B2 (en) 2017-05-25 2018-05-16 キヤノン株式会社 Image encoding device, image encoding method and program, image decoding device, image decoding method and program
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
RU2746981C2 (en) 2017-06-29 2021-04-22 Долби Лэборетериз Лайсенсинг Корпорейшн Joint image rearrangement and video encoding
US11134272B2 (en) 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
WO2019009590A1 (en) 2017-07-03 2019-01-10 김기백 Method and device for decoding image by using partition unit including additional region
CA3105474A1 (en) 2017-07-03 2019-01-10 Industry-University Cooperation Foundation Hanyang University Method and device for decoding image by using partition unit including additional region
WO2019017694A1 (en) 2017-07-18 2019-01-24 엘지전자 주식회사 Intra-prediction mode-based image processing method and apparatus for same
US10647322B2 (en) 2017-07-25 2020-05-12 Hyundai Mobis Co., Ltd. Backward driving assist apparatus for vehicle and control method thereof
US10674159B2 (en) 2017-07-28 2020-06-02 Microsoft Technology Licensing, Llc Effective intra encoding for screen data
JPWO2019039283A1 (en) 2017-08-22 2020-10-01 ソニー株式会社 Image processing device and image processing method
US10841794B2 (en) 2017-09-18 2020-11-17 Futurewei Technologies, Inc. Adaptive motion vector resolution
US11172201B2 (en) 2017-12-18 2021-11-09 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
US10986349B2 (en) * 2017-12-29 2021-04-20 Microsoft Technology Licensing, Llc Constraints on locations of reference blocks for intra block copy prediction
US11012715B2 (en) 2018-02-08 2021-05-18 Qualcomm Incorporated Intra block copy for video coding
CN116866563A (en) * 2018-03-21 2023-10-10 Lx 半导体科技有限公司 Image encoding/decoding method, storage medium, and image data transmission method
US10873748B2 (en) 2018-05-12 2020-12-22 Qualcomm Incorporated Storage of high precision motion vectors in video coding
WO2019234600A1 (en) 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between pairwise average merging candidates and intra-block copy (ibc)
US10798394B2 (en) * 2018-06-27 2020-10-06 Avago Technologies International Sales Pte. Limited Low complexity affine merge mode for versatile video coding
US10440378B1 (en) * 2018-07-17 2019-10-08 Tencent America LLC Method and apparatus for history-based motion vector prediction with parallel processing
KR20220048066A (en) 2018-07-18 2022-04-19 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 Methods and apparatus of video coding using history-based motion vector prediction
US10958934B2 (en) 2018-07-27 2021-03-23 Tencent America LLC History-based affine merge and motion vector prediction
US10743029B2 (en) 2018-07-30 2020-08-11 Tencent America LLC Constraints on coding unit partition
CN116781930A (en) 2018-08-13 2023-09-19 Lg电子株式会社 Image encoding/decoding method, image data transmitting method, and storage medium
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
CN117857787A (en) 2018-10-04 2024-04-09 Lg电子株式会社 Decoding device, encoding device, and device for transmitting data for image
CN116684586A (en) 2018-10-05 2023-09-01 Lg电子株式会社 Decoding device, encoding device, and device for transmitting data for image
BR112021008659A2 (en) 2018-11-07 2021-08-31 Huawei Technologies Co., Ltd. VIDEO ENCODER, VIDEO DECODER AND CORRESPONDING METHODS
CN113170173B (en) 2018-11-28 2024-04-12 北京字节跳动网络技术有限公司 Improved method for transformation quantization or quantization bypass mode
US10999594B2 (en) 2018-12-20 2021-05-04 Qualcomm Incorporated Virtual search area for current picture referencing (CPR) and intra block copy (IBC)
CN111355951B (en) 2018-12-24 2023-11-10 华为技术有限公司 Video decoding method, device and decoding equipment
WO2020156540A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer management for intra block copy in video coding
CN113396592B (en) 2019-02-02 2023-11-14 北京字节跳动网络技术有限公司 Buffer management for intra block copying in video codec
JP7405861B2 (en) 2019-03-01 2023-12-26 北京字節跳動網絡技術有限公司 Direction-based prediction for intra block copy in video coding
CN117640927A (en) 2019-03-04 2024-03-01 北京字节跳动网络技术有限公司 Implementation aspects in intra block replication in video codec
AU2020276527A1 (en) 2019-05-16 2021-09-09 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using IBC dedicated buffer and default value refreshing for luma and chroma component
US11070816B2 (en) 2019-06-18 2021-07-20 Tencent America LLC Conversion of decoded block vector for intra picture block compensation
WO2020259677A1 (en) 2019-06-28 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Validity checks for a block vectors for intra block copy in video coding
CA3146016A1 (en) 2019-07-06 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
EP3981148A4 (en) 2019-07-10 2022-08-10 Beijing Bytedance Network Technology Co., Ltd. Sample identification for intra block copy in video coding
MX2022000110A (en) 2019-07-10 2022-02-10 Beijing Bytedance Network Tech Co Ltd Sample identification for intra block copy in video coding.
WO2021004496A1 (en) 2019-07-10 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Bitstream conformance constraints for intra block copy in video coding
CN117579816A (en) 2019-07-11 2024-02-20 北京字节跳动网络技术有限公司 Bit stream consistency constraints for intra block copying in video codec
WO2021013240A1 (en) 2019-07-25 2021-01-28 Beijing Bytedance Network Technology Co., Ltd. Mapping restriction for intra-block copy virtual buffer
CN110792573A (en) 2019-11-22 2020-02-14 镇江福泰克流体技术有限公司 Portable flood control emergency pump

Similar Documents

Publication Publication Date Title
JPWO2020177659A5 (en)
JP2020517148A5 (en)
JP2018198421A5 (en)
CN105791952B (en) The screenshot method and device and electronic equipment of streaming media video data
TW200921644A (en) Apparatus and method for encoding/decoding signal
RU2011117204A (en) Moving image encoding device, moving image decoding device, moving image encoding method, moving image decoding method, the moving image encoding program, moving image decoding program AND SYSTEM FOR ENCODING / DECODING OF MOVING IMAGES
JP2013520717A5 (en)
JP2007325287A5 (en)
JP2017511620A5 (en)
JPS62295583A (en) Image reconstitution method from image data subjected to compression processing
JP2015065671A5 (en)
RU2014102989A (en) METHOD FOR VIDEO ENCODING WITH REGULATION OF BIT DEPTH FOR CONVERSION WITH A FIXED COMMAND AND DEVICE FOR IT, AND ALSO METHOD OF VIDEO DECODING AND DEVICE FOR IT
JP2010507975A5 (en)
JP2015534778A5 (en)
JP2019506096A5 (en)
JPWO2010055658A1 (en) Content decryption processing apparatus, content decryption processing method, and integrated circuit
CN107231566A (en) A kind of video transcoding method, device and system
JPWO2020094058A5 (en)
RU2009111880A (en) METHOD OF CODING AND METHOD OF DECODING VIDEO INFORMATION, DEVICES FOR IMPLEMENTING THIS METHOD, PROGRAMS FOR IMPLEMENTING THIS METHOD AND MEDIA FOR RECORDING THESE PROGRAMS
JPWO2020156541A5 (en)
JP2020518207A5 (en)
JPWO2020156544A5 (en)
JP2006324848A (en) Apparatus and method for information processing
JP2010256652A5 (en) Storage medium cryptographic processing device
JPWO2020177662A5 (en)