JP6780097B2 - ビデオ符号化/復号化システムのための多次元量子化技術 - Google Patents
ビデオ符号化/復号化システムのための多次元量子化技術 Download PDFInfo
- Publication number
- JP6780097B2 JP6780097B2 JP2019511854A JP2019511854A JP6780097B2 JP 6780097 B2 JP6780097 B2 JP 6780097B2 JP 2019511854 A JP2019511854 A JP 2019511854A JP 2019511854 A JP2019511854 A JP 2019511854A JP 6780097 B2 JP6780097 B2 JP 6780097B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- quantizer
- quantization
- video
- pixel block
- 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.)
- Active
Links
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
- H04N19/124—Quantisation
-
- 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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/134—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
-
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/10—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/439—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using cascaded computational arrangements for performing a single operation, e.g. filtering
-
- 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
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/250,608 US11153594B2 (en) | 2016-08-29 | 2016-08-29 | Multidimensional quantization techniques for video coding/decoding systems |
| US15/250,608 | 2016-08-29 | ||
| PCT/US2017/044208 WO2018044441A1 (en) | 2016-08-29 | 2017-07-27 | Multidimensional quantization techniques for video coding/decoding systems |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020173397A Division JP7063965B2 (ja) | 2016-08-29 | 2020-10-14 | ビデオ符号化/復号化システムのための多次元量子化技術 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019528651A JP2019528651A (ja) | 2019-10-10 |
| JP6780097B2 true JP6780097B2 (ja) | 2020-11-04 |
Family
ID=59523327
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019511854A Active JP6780097B2 (ja) | 2016-08-29 | 2017-07-27 | ビデオ符号化/復号化システムのための多次元量子化技術 |
| JP2020173397A Active JP7063965B2 (ja) | 2016-08-29 | 2020-10-14 | ビデオ符号化/復号化システムのための多次元量子化技術 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020173397A Active JP7063965B2 (ja) | 2016-08-29 | 2020-10-14 | ビデオ符号化/復号化システムのための多次元量子化技術 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US11153594B2 (enExample) |
| EP (1) | EP3488609A1 (enExample) |
| JP (2) | JP6780097B2 (enExample) |
| KR (4) | KR102570859B1 (enExample) |
| CN (2) | CN109644270B (enExample) |
| BR (1) | BR112019004035A2 (enExample) |
| WO (1) | WO2018044441A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10999602B2 (en) | 2016-12-23 | 2021-05-04 | Apple Inc. | Sphere projected motion estimation/compensation and mode decision |
| US11259046B2 (en) | 2017-02-15 | 2022-02-22 | Apple Inc. | Processing of equirectangular object data to compensate for distortion by spherical projections |
| US10924747B2 (en) | 2017-02-27 | 2021-02-16 | Apple Inc. | Video coding techniques for multi-view video |
| US11093752B2 (en) | 2017-06-02 | 2021-08-17 | Apple Inc. | Object tracking in multi-view video |
| US20190005709A1 (en) * | 2017-06-30 | 2019-01-03 | Apple Inc. | Techniques for Correction of Visual Artifacts in Multi-View Images |
| US10754242B2 (en) | 2017-06-30 | 2020-08-25 | Apple Inc. | Adaptive resolution and projection format in multi-direction video |
| US20190246114A1 (en) | 2018-02-02 | 2019-08-08 | Apple Inc. | Techniques of multi-hypothesis motion compensation |
| US11924440B2 (en) | 2018-02-05 | 2024-03-05 | Apple Inc. | Techniques of multi-hypothesis motion compensation |
| MX2020013386A (es) | 2018-06-11 | 2021-03-09 | Hfi Innovation Inc | Metodo y aparato de flujo optico bidireccional para la codificacion de video. |
| CN112930684B (zh) | 2018-08-17 | 2023-10-13 | 寰发股份有限公司 | 在视频编解码系统中利用双向预测处理视频的方法、设备 |
| US10986339B2 (en) * | 2019-02-08 | 2021-04-20 | Tencent America LLC | Method and apparatus for harmonization between transform skip mode and multiple transform selection |
| WO2020251332A1 (ko) * | 2019-06-14 | 2020-12-17 | 한국전자통신연구원 | 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| CN114450950B (zh) | 2020-04-08 | 2023-04-18 | 日本放送协会 | 编码装置、解码装置及存储介质 |
| JP7739039B2 (ja) * | 2020-05-07 | 2025-09-16 | ブラックマジック デザイン ピーティーワイ リミテッド | 変換係数処理方法 |
| CN116888960A (zh) * | 2021-02-22 | 2023-10-13 | 浙江大学 | 编码方法、解码方法、编码器、解码器及存储介质 |
| CN116074530B (zh) | 2022-01-19 | 2024-10-29 | 杭州海康威视数字技术股份有限公司 | 一种图像解码方法、编码方法及装置 |
| CN115174908B (zh) * | 2022-06-30 | 2023-09-15 | 北京百度网讯科技有限公司 | 视频编码的变换量化方法、装置、设备以及存储介质 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0508506A (pt) | 2004-03-09 | 2007-07-31 | Thomson Res Funding Corp | modo de atualização de resolução reduzida para codificação avançada de vìdeo |
| WO2007081908A1 (en) * | 2006-01-09 | 2007-07-19 | Thomson Licensing | Method and apparatus for providing reduced resolution update mode for multi-view video coding |
| US9510016B2 (en) * | 2008-06-12 | 2016-11-29 | Thomson Licensing | Methods and apparatus for video coding and decoding with reduced bit-depth update mode and reduced chroma sampling update mode |
| JP5492206B2 (ja) | 2009-07-27 | 2014-05-14 | 株式会社東芝 | 画像符号化方法および画像復号方法、ならびに、画像符号化装置および画像復号装置 |
| DE102010054967B4 (de) * | 2010-12-08 | 2014-08-28 | Schott Ag | Borfreies Universalglas und dessen Verwendung |
| JP2012169762A (ja) | 2011-02-10 | 2012-09-06 | Sony Corp | 画像符号化装置と画像復号化装置およびその方法とプログラム |
| US8804820B2 (en) * | 2011-04-21 | 2014-08-12 | Dialogic Corporation | Rate control with look-ahead for video transcoding |
| WO2012148883A1 (en) | 2011-04-25 | 2012-11-01 | Dolby Laboratories Licensing Corporation | Non-linear vdr residual quantizer |
| US20130083845A1 (en) * | 2011-09-30 | 2013-04-04 | Research In Motion Limited | Methods and devices for data compression using a non-uniform reconstruction space |
| WO2013109631A1 (en) | 2012-01-19 | 2013-07-25 | Magnum Semiconductor, Inc. | Methods and apparatuses for providing an adaptive reduced resolution update mode |
| HK1203261A1 (en) * | 2012-05-14 | 2015-10-23 | Luca Rossato | Encoding and reconstruction of residual data based on support information |
| US9307264B2 (en) * | 2012-06-22 | 2016-04-05 | Sharp Kabushiki Kaisha | Arithmetic decoding device, arithmetic coding device, image decoding apparatus, and image coding apparatus |
| US9591329B2 (en) * | 2012-09-28 | 2017-03-07 | Sony Corporation | Image processing device and method for encoding and decoding image |
| RU2639250C2 (ru) * | 2012-12-18 | 2017-12-20 | Сони Корпорейшн | Устройство обработки изображения и способ обработки изображения |
| EP2757558A1 (en) * | 2013-01-18 | 2014-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain level adjustment for audio signal decoding or encoding |
| GB2516022A (en) | 2013-07-05 | 2015-01-14 | Canon Kk | Method, device, and computer program for processing high bit-depth content in video encoder and decoder |
| US9648332B2 (en) | 2013-10-28 | 2017-05-09 | Qualcomm Incorporated | Adaptive inter-color component residual prediction |
| DE112015000959T5 (de) | 2014-02-25 | 2016-11-17 | Apple Inc. | Adaptive Videoverarbeitung |
| WO2017053620A1 (en) * | 2015-09-23 | 2017-03-30 | Dolby Laboratories Licensing Corporation | Preserving texture/noise consistency in video codecs |
| US10819978B2 (en) * | 2016-01-11 | 2020-10-27 | Samsung Electronics Co., Ltd. | Image encoding method and apparatus, and image decoding method and apparatus |
| US20190052878A1 (en) * | 2016-02-08 | 2019-02-14 | Sharp Kabushiki Kaisha | Systems and methods for transform coefficient coding |
| US10200687B2 (en) * | 2017-06-02 | 2019-02-05 | Apple Inc. | Sample adaptive offset for high dynamic range (HDR) video compression |
| CN109660825B (zh) * | 2017-10-10 | 2021-02-09 | 腾讯科技(深圳)有限公司 | 视频转码方法、装置、计算机设备及存储介质 |
| US10574997B2 (en) * | 2017-10-27 | 2020-02-25 | Apple Inc. | Noise level control in video coding |
| US11259023B2 (en) * | 2018-04-12 | 2022-02-22 | Qualcomm Incorporated | Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding |
| CN108833917B (zh) * | 2018-06-20 | 2022-04-08 | 腾讯科技(深圳)有限公司 | 视频编码、解码方法、装置、计算机设备和存储介质 |
| US11606574B2 (en) * | 2019-05-31 | 2023-03-14 | Apple Inc. | Efficient coding of source video sequences partitioned into tiles |
-
2016
- 2016-08-29 US US15/250,608 patent/US11153594B2/en active Active
-
2017
- 2017-07-27 KR KR1020227029498A patent/KR102570859B1/ko active Active
- 2017-07-27 EP EP17749075.2A patent/EP3488609A1/en not_active Ceased
- 2017-07-27 CN CN201780053103.6A patent/CN109644270B/zh active Active
- 2017-07-27 WO PCT/US2017/044208 patent/WO2018044441A1/en not_active Ceased
- 2017-07-27 BR BR112019004035A patent/BR112019004035A2/pt unknown
- 2017-07-27 KR KR1020197006000A patent/KR102207146B1/ko active Active
- 2017-07-27 KR KR1020217001782A patent/KR102319987B1/ko active Active
- 2017-07-27 CN CN202210020438.0A patent/CN114222122B/zh active Active
- 2017-07-27 JP JP2019511854A patent/JP6780097B2/ja active Active
- 2017-07-27 KR KR1020217034784A patent/KR102438062B1/ko active Active
-
2020
- 2020-10-14 JP JP2020173397A patent/JP7063965B2/ja active Active
-
2021
- 2021-10-04 US US17/493,607 patent/US11539974B2/en active Active
-
2022
- 2022-11-18 US US18/056,915 patent/US12323590B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210134423A (ko) | 2021-11-09 |
| KR20190030230A (ko) | 2019-03-21 |
| US11539974B2 (en) | 2022-12-27 |
| US20220103851A1 (en) | 2022-03-31 |
| US20240171742A1 (en) | 2024-05-23 |
| CN109644270A (zh) | 2019-04-16 |
| KR20220123337A (ko) | 2022-09-06 |
| JP2019528651A (ja) | 2019-10-10 |
| US20250159164A9 (en) | 2025-05-15 |
| US12323590B2 (en) | 2025-06-03 |
| KR20210010651A (ko) | 2021-01-27 |
| KR102570859B1 (ko) | 2023-08-25 |
| JP2021036676A (ja) | 2021-03-04 |
| KR102438062B1 (ko) | 2022-08-31 |
| KR102207146B1 (ko) | 2021-01-26 |
| US20180063544A1 (en) | 2018-03-01 |
| US11153594B2 (en) | 2021-10-19 |
| JP7063965B2 (ja) | 2022-05-09 |
| WO2018044441A1 (en) | 2018-03-08 |
| CN109644270B (zh) | 2022-01-18 |
| KR102319987B1 (ko) | 2021-11-02 |
| EP3488609A1 (en) | 2019-05-29 |
| CN114222122A (zh) | 2022-03-22 |
| BR112019004035A2 (pt) | 2019-05-28 |
| CN114222122B (zh) | 2025-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7063965B2 (ja) | ビデオ符号化/復号化システムのための多次元量子化技術 | |
| AU2006338425B2 (en) | Moving image encoding/decoding method and device and program | |
| US8619860B2 (en) | System and method for scalable encoding and decoding of multimedia data using multiple layers | |
| CN104041035B (zh) | 用于复合视频的无损编码及相关信号表示方法 | |
| US20130051467A1 (en) | Hybrid inter/intra prediction in video coding systems | |
| KR20210128494A (ko) | 인트라 모드 코딩을 위한 방법 및 시스템 | |
| JP2022514505A (ja) | ビットレート削減のためのビデオストリーム適応フィルタリング | |
| KR20250103731A (ko) | 외삽 필터-기반 인트라 예측 모드의 변환 선택을 위한 시스템들 및 방법들 | |
| KR102789741B1 (ko) | 비디오 코딩 방법 및 시스템 | |
| CN113225558A (zh) | 平滑定向和dc帧内预测 | |
| EP4022904A1 (en) | Method and apparatus for intra prediction | |
| CN113766227A (zh) | 用于图像编码和解码的量化和反量化方法及装置 | |
| WO2025075657A1 (en) | Extended directional predictions for residual blocks | |
| BR122024003514A2 (pt) | Método de decodificação de vídeo, decodificador de vídeo, e memória legível por computador | |
| WO2025178792A1 (en) | Inverse pre-filter for image and video compression | |
| WO2025075656A1 (en) | Short distance predictions for residual blocks | |
| WO2025193987A1 (en) | On improvement of transform kernel derivation | |
| WO2025160443A1 (en) | Conditional bilateral filter for intra prediction | |
| WO2025075655A1 (en) | Flexible transform scheme for residual blocks | |
| BR122024003363A2 (pt) | Método de decodificação de vídeo, decodificador de vídeo, e memória legível por computador | |
| KR20170012524A (ko) | 인트라 모드를 이용한 쿼터 픽셀 해상도를 갖는 영상 보간 방법 및 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190228 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200123 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200203 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200501 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200612 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200914 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201014 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6780097 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |