BR112019011883A2 - modo de predição por modelo linear com acesso de amostra para codificação de vídeo - Google Patents
modo de predição por modelo linear com acesso de amostra para codificação de vídeo Download PDFInfo
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- BR112019011883A2 BR112019011883A2 BR112019011883A BR112019011883A BR112019011883A2 BR 112019011883 A2 BR112019011883 A2 BR 112019011883A2 BR 112019011883 A BR112019011883 A BR 112019011883A BR 112019011883 A BR112019011883 A BR 112019011883A BR 112019011883 A2 BR112019011883 A2 BR 112019011883A2
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- luma
- block
- samples
- sample
- luma samples
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Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662436319P | 2016-12-19 | 2016-12-19 | |
| US15/845,484 US10477240B2 (en) | 2016-12-19 | 2017-12-18 | Linear model prediction mode with sample accessing for video coding |
| PCT/US2017/067344 WO2018118940A1 (en) | 2016-12-19 | 2017-12-19 | Linear model prediction mode with sample accessing for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112019011883A2 true BR112019011883A2 (pt) | 2019-10-22 |
Family
ID=62562826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112019011883A BR112019011883A2 (pt) | 2016-12-19 | 2017-12-19 | modo de predição por modelo linear com acesso de amostra para codificação de vídeo |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10477240B2 (enExample) |
| EP (1) | EP3556099A1 (enExample) |
| JP (1) | JP7069171B2 (enExample) |
| KR (1) | KR102574560B1 (enExample) |
| CN (1) | CN110024406B (enExample) |
| BR (1) | BR112019011883A2 (enExample) |
| TW (1) | TWI781972B (enExample) |
| WO (1) | WO2018118940A1 (enExample) |
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| US10873746B2 (en) * | 2016-12-21 | 2020-12-22 | Sharp Kabushiki Kaisha | Intra prediction image generation device using cross-component liner model, image decoding apparatus, and image coding apparatus using same |
| EP3386198A1 (en) * | 2017-04-07 | 2018-10-10 | Thomson Licensing | Method and device for predictive picture encoding and decoding |
| GB2567249A (en) * | 2017-10-09 | 2019-04-10 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
| CN117459730A (zh) | 2018-05-14 | 2024-01-26 | 英迪股份有限公司 | 对图像进行解码和编码的方法、非暂态计算机可读介质 |
| WO2020015433A1 (en) * | 2018-07-15 | 2020-01-23 | Huawei Technologies Co., Ltd. | Method and apparatus for intra prediction using cross-component linear model |
| SG11202100412SA (en) * | 2018-07-16 | 2021-02-25 | Huawei Tech Co Ltd | Video encoder, video decoder, and corresponding encoding and decoding methods |
| CN110839153B (zh) * | 2018-08-17 | 2023-04-07 | 北京字节跳动网络技术有限公司 | 一种处理视频数据的方法和装置 |
| KR20200028856A (ko) | 2018-09-07 | 2020-03-17 | 김기백 | 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
| CN110896480B (zh) | 2018-09-12 | 2024-09-10 | 北京字节跳动网络技术有限公司 | 交叉分量线性模型中的尺寸相关的下采样 |
| HRP20230564T1 (hr) * | 2018-09-20 | 2023-08-18 | Lg Electronics Inc. | Postupak i uređaj za dekodiranje slike na bazi cclm predikcije u sistemu kodiranja slike |
| MX2021003853A (es) * | 2018-10-05 | 2021-09-08 | Huawei Tech Co Ltd | Método y dispositivo de intrapredicción. |
| EP4228262A1 (en) | 2018-10-08 | 2023-08-16 | Beijing Dajia Internet Information Technology Co., Ltd. | Simplifications of cross-component linear model |
| US10939118B2 (en) * | 2018-10-26 | 2021-03-02 | Mediatek Inc. | Luma-based chroma intra-prediction method that utilizes down-sampled luma samples derived from weighting and associated luma-based chroma intra-prediction apparatus |
| WO2020094059A1 (en) | 2018-11-06 | 2020-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Complexity reduction in parameter derivation for intra prediction |
| CN113170107B (zh) * | 2018-11-23 | 2024-04-30 | 英迪股份有限公司 | 图像分量间预测方法和使用其的图像编码和解码方法及装置 |
| CN113170122B (zh) | 2018-12-01 | 2023-06-27 | 北京字节跳动网络技术有限公司 | 帧内预测的参数推导 |
| PH12021551289A1 (en) | 2018-12-07 | 2022-03-21 | Beijing Bytedance Network Tech Co Ltd | Context-based intra prediction |
| CN112235577B (zh) * | 2018-12-13 | 2021-08-20 | 华为技术有限公司 | 色度块的预测方法和装置 |
| KR20210073597A (ko) * | 2018-12-21 | 2021-06-18 | 삼성전자주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
| KR20250165668A (ko) | 2018-12-25 | 2025-11-26 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 디코딩 예측 방법, 장치 및 컴퓨터 저장 매체 |
| CN118200554A (zh) * | 2018-12-27 | 2024-06-14 | 英迪股份有限公司 | 图像编码/解码方法和装置 |
| CN109672895A (zh) * | 2018-12-27 | 2019-04-23 | 北京佳讯飞鸿电气股份有限公司 | 一种hevc帧内预测方法及系统 |
| CN118972570A (zh) * | 2018-12-28 | 2024-11-15 | 韩国电子通信研究院 | 视频编码/解码方法、装置以及在其中存储比特流的记录介质 |
| CN116546218A (zh) | 2019-01-02 | 2023-08-04 | Oppo广东移动通信有限公司 | 解码预测方法、装置及计算机存储介质 |
| KR102632259B1 (ko) * | 2019-01-09 | 2024-02-01 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 교차-성분 선형 모델을 사용하는 비디오 코딩 |
| CN116527883A (zh) * | 2019-01-16 | 2023-08-01 | Oppo广东移动通信有限公司 | 信息处理方法及装置、设备、存储介质 |
| EP3903482A4 (en) * | 2019-02-22 | 2022-06-01 | Beijing Bytedance Network Technology Co., Ltd. | SELECTING ADJACENT SAMPLES FOR INTRA PREDICTION |
| CN117041552A (zh) * | 2019-02-22 | 2023-11-10 | 华为技术有限公司 | 使用线性模型进行帧内预测的方法及装置 |
| AU2020226566A1 (en) | 2019-02-24 | 2021-08-19 | Beijing Bytedance Network Technology Co., Ltd. | Parameter derivation for intra prediction |
| EP3703366A1 (en) * | 2019-02-28 | 2020-09-02 | InterDigital VC Holdings, Inc. | Method and device for picture encoding and decoding |
| EP4645858A2 (en) * | 2019-02-28 | 2025-11-05 | InterDigital VC Holdings, Inc. | Method and device for picture encoding and decoding |
| JP7679301B2 (ja) * | 2019-03-04 | 2025-05-19 | アリババ グループ ホウルディング リミテッド | 映像コンテンツを処理するための方法及びシステム |
| US12114000B2 (en) | 2019-03-08 | 2024-10-08 | Qualcomm Incorporated | Combined residual coding in video coding |
| WO2020182091A1 (en) | 2019-03-08 | 2020-09-17 | Beijing Bytedance Network Technology Co., Ltd. | Reshaping model in video processing |
| CN113994665A (zh) * | 2019-03-12 | 2022-01-28 | 北京达佳互联信息技术有限公司 | 采用多模型线性模型的视频编码 |
| CN117880494A (zh) | 2019-03-24 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 用于帧内预测的参数推导的条件 |
| US10742992B1 (en) * | 2019-03-26 | 2020-08-11 | Electronic Arts Inc. | Video compression for video games |
| PH12021552429A1 (en) | 2019-04-18 | 2022-07-25 | Beijing Bytedance Network Tech Co Ltd | Parameter derivation in cross component mode |
| AU2020263199B2 (en) * | 2019-04-23 | 2023-10-19 | Beijing Bytedance Network Technology Co., Ltd. | Methods for cross component dependency reduction |
| SG11202111961SA (en) | 2019-05-08 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Conditions for applicability of cross-component coding |
| WO2020236038A1 (en) * | 2019-05-21 | 2020-11-26 | Huawei Technologies Co., Ltd. | Method and apparatus of cross-component prediction |
| JP7418478B2 (ja) | 2019-06-22 | 2024-01-19 | 北京字節跳動網絡技術有限公司 | クロマ残差スケーリングのためのシンタックス要素 |
| EP3952308B1 (en) | 2019-06-25 | 2024-02-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Image component prediction method and device, and computer storage medium |
| CN117395396A (zh) | 2019-07-07 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 色度残差缩放的信令通知 |
| SI4024859T1 (sl) | 2019-08-29 | 2025-02-28 | LG Electronics Inc. | Naprava in postopek za kodiranje videa na podlagi filtriranja |
| CN118921491A (zh) * | 2019-12-30 | 2024-11-08 | 北京达佳互联信息技术有限公司 | 视频数据的色度和亮度分量的交叉分量确定 |
| CN114466905A (zh) * | 2020-09-03 | 2022-05-10 | 富士高分子工业株式会社 | 导热性有机硅组合物及其制造方法 |
| US20240236311A9 (en) * | 2021-02-25 | 2024-07-11 | Interdigital Ce Patent Holdings, Sas | Methods and apparatuses for encoding/decoding a video |
| US20240080462A1 (en) * | 2022-09-06 | 2024-03-07 | Apple Inc. | Systems and Methods for Low-Resolution Motion Estimation Searches |
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| US9288500B2 (en) * | 2011-05-12 | 2016-03-15 | Texas Instruments Incorporated | Luma-based chroma intra-prediction for video coding |
| CN103688533B (zh) * | 2011-06-20 | 2015-12-23 | 联发科技（新加坡）私人有限公司 | 可减少行存储器的色度帧内预测方法及装置 |
| US9693070B2 (en) * | 2011-06-24 | 2017-06-27 | Texas Instruments Incorporated | Luma-based chroma intra-prediction for video coding |
| AU2012276410A1 (en) | 2011-06-28 | 2014-02-06 | Samsung Electronics Co., Ltd. | Prediction method and apparatus for chroma component of image using luma component of image |
| CN103096055B (zh) * | 2011-11-04 | 2016-03-30 | 华为技术有限公司 | 一种图像信号帧内预测及解码的方法和装置 |
| US9438904B2 (en) * | 2012-01-19 | 2016-09-06 | Futurewei Technologies, Inc. | Reduced look-up table for LM mode calculation |
| EP2805496B1 (en) * | 2012-01-19 | 2016-12-21 | Huawei Technologies Co., Ltd. | Reference pixel reduction for intra lm prediction |
| CN104718759B (zh) * | 2012-01-24 | 2019-01-18 | 华为技术有限公司 | Lm模式的简化 |
| US9438905B2 (en) * | 2012-04-12 | 2016-09-06 | Futurewei Technologies, Inc. | LM mode with uniform bit-width multipliers |
| WO2014166965A1 (en) * | 2013-04-08 | 2014-10-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Inter-component prediction |
| JP6023332B2 (ja) * | 2013-07-10 | 2016-11-09 | Kddi株式会社 | 動画像符号化装置、動画像復号装置、動画像システム、動画像符号化方法、動画像復号方法、およびプログラム |
| US10455249B2 (en) | 2015-03-20 | 2019-10-22 | Qualcomm Incorporated | Downsampling process for linear model prediction mode |
| WO2016154963A1 (en) * | 2015-04-01 | 2016-10-06 | Mediatek Inc. | Methods for chroma coding in video codec |
| US10484712B2 (en) * | 2016-06-08 | 2019-11-19 | Qualcomm Incorporated | Implicit coding of reference line index used in intra prediction |
-
2017
- 2017-12-18 US US15/845,484 patent/US10477240B2/en active Active
- 2017-12-19 EP EP17829483.1A patent/EP3556099A1/en active Pending
- 2017-12-19 WO PCT/US2017/067344 patent/WO2018118940A1/en not_active Ceased
- 2017-12-19 CN CN201780074522.8A patent/CN110024406B/zh active Active
- 2017-12-19 BR BR112019011883A patent/BR112019011883A2/pt unknown
- 2017-12-19 JP JP2019532690A patent/JP7069171B2/ja active Active
- 2017-12-19 TW TW106144654A patent/TWI781972B/zh active
- 2017-12-19 KR KR1020197017384A patent/KR102574560B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110024406B (zh) | 2023-07-28 |
| JP2020502925A (ja) | 2020-01-23 |
| KR20190097036A (ko) | 2019-08-20 |
| EP3556099A1 (en) | 2019-10-23 |
| WO2018118940A1 (en) | 2018-06-28 |
| US10477240B2 (en) | 2019-11-12 |
| JP7069171B2 (ja) | 2022-05-17 |
| CN110024406A (zh) | 2019-07-16 |
| TW201830963A (zh) | 2018-08-16 |
| KR102574560B1 (ko) | 2023-09-04 |
| TWI781972B (zh) | 2022-11-01 |
| US20180176594A1 (en) | 2018-06-21 |
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