JPWO2020177659A5 - - Google Patents
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- 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
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- 239000000523 sample Substances 0.000 claims 22
- 239000012723 sample buffer Substances 0.000 claims 18
- 238000006243 chemical reaction Methods 0.000 claims 14
- 238000000034 method Methods 0.000 claims 12
- 238000009795 derivation Methods 0.000 claims 4
- 238000001914 filtration Methods 0.000 claims 4
- 230000009466 transformation Effects 0.000 claims 2
- 238000003672 processing method Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 claims 1
Claims (14)
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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EP (1) | EP3915265A4 (en) |
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Families Citing this family (10)
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)
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 |
-
2020
- 2020-03-02 JP JP2021551506A patent/JP7405861B2/en active Active
- 2020-03-02 CN CN202080018115.7A patent/CN113508597B/en active Active
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