BR112021026705A2 - Reamostragem de imagem de referência com filtros comutáveis - Google Patents
Reamostragem de imagem de referência com filtros comutáveisInfo
- Publication number
- BR112021026705A2 BR112021026705A2 BR112021026705A BR112021026705A BR112021026705A2 BR 112021026705 A2 BR112021026705 A2 BR 112021026705A2 BR 112021026705 A BR112021026705 A BR 112021026705A BR 112021026705 A BR112021026705 A BR 112021026705A BR 112021026705 A2 BR112021026705 A2 BR 112021026705A2
- Authority
- BR
- Brazil
- Prior art keywords
- image
- current
- filter index
- reference image
- size value
- Prior art date
Links
- 238000012952 Resampling Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 abstract 2
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
- H04N19/10—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/182—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 pixel
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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 |
|---|---|---|---|
| US201962872225P | 2019-07-09 | 2019-07-09 | |
| US16/912,660 US11563933B2 (en) | 2019-07-09 | 2020-06-25 | Reference picture resampling with switchable filters |
| PCT/US2020/039824 WO2021007048A1 (en) | 2019-07-09 | 2020-06-26 | Reference picture resampling with switchable filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021026705A2 true BR112021026705A2 (pt) | 2022-02-15 |
Family
ID=74102083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021026705A BR112021026705A2 (pt) | 2019-07-09 | 2020-06-26 | Reamostragem de imagem de referência com filtros comutáveis |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US11563933B2 (enExample) |
| EP (1) | EP3997873A1 (enExample) |
| JP (1) | JP7513641B2 (enExample) |
| KR (1) | KR20220030988A (enExample) |
| CN (1) | CN114303374B (enExample) |
| AU (2) | AU2020311851A1 (enExample) |
| BR (1) | BR112021026705A2 (enExample) |
| CA (1) | CA3144976A1 (enExample) |
| CL (1) | CL2022000026A1 (enExample) |
| CO (1) | CO2022000028A2 (enExample) |
| IL (1) | IL289255B2 (enExample) |
| MX (1) | MX2022000300A (enExample) |
| PH (1) | PH12021553244A1 (enExample) |
| TW (1) | TWI867001B (enExample) |
| WO (1) | WO2021007048A1 (enExample) |
| ZA (1) | ZA202201424B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020250609B2 (en) | 2019-04-01 | 2023-09-07 | Beijing Bytedance Network Technology Co., Ltd. | Using interpolation filters for history based motion vector prediction |
| CN120343237A (zh) * | 2019-05-13 | 2025-07-18 | 三星电子株式会社 | 基于视频尺寸编解码视频的方法和设备 |
| MX2022001592A (es) * | 2019-08-06 | 2022-03-11 | Op Solutions Llc | Método de gestión de resolución adaptativa para reajuste de predicción. |
| JP7359942B2 (ja) * | 2019-08-20 | 2023-10-11 | 北京字節跳動網絡技術有限公司 | 映像処理における代替の補間フィルタの選択的使用 |
| EP4026340A1 (en) * | 2019-09-04 | 2022-07-13 | InterDigital VC Holdings France, SAS | Switchable interpolation filters |
| US11336894B2 (en) | 2019-09-20 | 2022-05-17 | Tencent America LLC | Signaling of reference picture resampling with resampling picture size indication in video bitstream |
| JP2021052241A (ja) * | 2019-09-20 | 2021-04-01 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| EP4701185A2 (en) * | 2019-12-20 | 2026-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Factional sample interpolation for reference picture resampling |
| CN113242427B (zh) * | 2021-04-14 | 2024-03-12 | 中南大学 | 一种基于vvc中自适应运动矢量精度的快速方法及装置 |
| US12375651B2 (en) * | 2021-08-02 | 2025-07-29 | Tencent America LLC | Adaptive up-sampling filter for luma and chroma with reference picture resampling (RPR) |
| CN116076073B (zh) * | 2021-09-02 | 2025-10-21 | 辉达公司 | 用于高性能视频编码的硬件编解码器加速器 |
| CN116097649B (zh) | 2021-09-06 | 2026-03-13 | 辉达公司 | 无滤波相依性的视频帧的并行编码 |
| JP7849491B2 (ja) * | 2022-04-12 | 2026-04-21 | エルジー エレクトロニクス インコーポレイティド | 画像符号化／復号化方法、ビットストリームを伝送する方法、及びビットストリームを保存した記録媒体 |
| WO2023200381A1 (en) * | 2022-04-12 | 2023-10-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Enhanced interpolation filtering |
| WO2023200243A1 (ko) * | 2022-04-12 | 2023-10-19 | 엘지전자 주식회사 | Mvd 부호 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체 |
| US12615374B2 (en) | 2023-02-08 | 2026-04-28 | Nvidia Corporation | Context-aware quantization for high-performance video encoding |
| US12316863B2 (en) | 2023-04-18 | 2025-05-27 | Nvidia Corporation | Chroma-from-luma mode selection for high-performance video encoding |
| US12238335B2 (en) | 2023-04-18 | 2025-02-25 | Nvidia Corporation | Efficient sub-pixel motion vector search for high-performance video encoding |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7720311B1 (en) * | 2005-03-03 | 2010-05-18 | Nvidia Corporation | Memory and compute efficient block-based two-dimensional sample-rate converter for image/video applications |
| CN102714727B (zh) * | 2010-01-14 | 2016-09-28 | 杜比实验室特许公司 | 缓冲的自适应滤波器 |
| US9648353B2 (en) * | 2013-04-04 | 2017-05-09 | Qualcomm Incorporated | Multiple base layer reference pictures for SHVC |
| US9510001B2 (en) * | 2013-07-09 | 2016-11-29 | Electronics And Telecommunications Research Institute | Video decoding method and apparatus using the same |
| CN105745931B (zh) * | 2013-11-24 | 2019-06-25 | Lg电子株式会社 | 使用自适应采样编码和解码视频信号的方法和装置 |
| US10182241B2 (en) * | 2014-03-04 | 2019-01-15 | Microsoft Technology Licensing, Llc | Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths |
| WO2017147765A1 (en) * | 2016-03-01 | 2017-09-08 | Mediatek Inc. | Methods for affine motion compensation |
| US10341659B2 (en) * | 2016-10-05 | 2019-07-02 | Qualcomm Incorporated | Systems and methods of switching interpolation filters |
-
2020
- 2020-06-25 US US16/912,660 patent/US11563933B2/en active Active
- 2020-06-26 CN CN202080061647.9A patent/CN114303374B/zh active Active
- 2020-06-26 JP JP2021577584A patent/JP7513641B2/ja active Active
- 2020-06-26 EP EP20743429.1A patent/EP3997873A1/en active Pending
- 2020-06-26 WO PCT/US2020/039824 patent/WO2021007048A1/en not_active Ceased
- 2020-06-26 PH PH1/2021/553244A patent/PH12021553244A1/en unknown
- 2020-06-26 BR BR112021026705A patent/BR112021026705A2/pt unknown
- 2020-06-26 AU AU2020311851A patent/AU2020311851A1/en not_active Abandoned
- 2020-06-26 CA CA3144976A patent/CA3144976A1/en active Pending
- 2020-06-26 IL IL289255A patent/IL289255B2/en unknown
- 2020-06-26 KR KR1020227000116A patent/KR20220030988A/ko active Pending
- 2020-06-26 MX MX2022000300A patent/MX2022000300A/es unknown
- 2020-06-29 TW TW109121956A patent/TWI867001B/zh active
-
2022
- 2022-01-05 CO CONC2022/0000028A patent/CO2022000028A2/es unknown
- 2022-01-05 CL CL2022000026A patent/CL2022000026A1/es unknown
- 2022-01-31 ZA ZA2022/01424A patent/ZA202201424B/en unknown
-
2025
- 2025-12-17 AU AU2025283501A patent/AU2025283501A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| PH12021553244A1 (en) | 2023-02-27 |
| WO2021007048A1 (en) | 2021-01-14 |
| CN114303374A (zh) | 2022-04-08 |
| IL289255B2 (en) | 2024-10-01 |
| CO2022000028A2 (es) | 2022-01-17 |
| KR20220030988A (ko) | 2022-03-11 |
| EP3997873A1 (en) | 2022-05-18 |
| MX2022000300A (es) | 2022-02-03 |
| CL2022000026A1 (es) | 2022-10-28 |
| AU2020311851A1 (en) | 2022-01-27 |
| TWI867001B (zh) | 2024-12-21 |
| IL289255B1 (en) | 2024-06-01 |
| JP7513641B2 (ja) | 2024-07-09 |
| TW202110178A (zh) | 2021-03-01 |
| IL289255A (en) | 2022-02-01 |
| JP2022539455A (ja) | 2022-09-09 |
| US11563933B2 (en) | 2023-01-24 |
| CA3144976A1 (en) | 2021-01-14 |
| ZA202201424B (en) | 2024-06-26 |
| AU2025283501A1 (en) | 2026-01-15 |
| CN114303374B (zh) | 2025-03-21 |
| US20210014478A1 (en) | 2021-01-14 |
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