EP4029271A4 - Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc - Google Patents
Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc Download PDFInfo
- Publication number
- EP4029271A4 EP4029271A4 EP20822436.0A EP20822436A EP4029271A4 EP 4029271 A4 EP4029271 A4 EP 4029271A4 EP 20822436 A EP20822436 A EP 20822436A EP 4029271 A4 EP4029271 A4 EP 4029271A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- coding unit
- block copy
- intra block
- blocking artifacts
- removing blocking
- 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.)
- Pending
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
- H04N19/117—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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
-
- 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
- H04N19/50—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
-
- 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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962911275P | 2019-10-05 | 2019-10-05 | |
PCT/RU2020/050263 WO2020251420A2 (fr) | 2019-10-05 | 2020-10-02 | Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4029271A2 EP4029271A2 (fr) | 2022-07-20 |
EP4029271A4 true EP4029271A4 (fr) | 2022-11-16 |
Family
ID=73786092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20822436.0A Pending EP4029271A4 (fr) | 2019-10-05 | 2020-10-02 | Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4029271A4 (fr) |
WO (1) | WO2020251420A2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113676727A (zh) * | 2021-08-18 | 2021-11-19 | 深圳市朗强科技有限公司 | 一种基于wifi的超高清视频的发送、接收方法及设备 |
TW202408233A (zh) * | 2022-06-22 | 2024-02-16 | 聯發科技股份有限公司 | 暗示子塊變換編解碼的方法和裝置 |
WO2024098263A1 (fr) * | 2022-11-08 | 2024-05-16 | Oppo广东移动通信有限公司 | Procédé de codage, procédé de décodage, flux de code, codeurs, décodeurs et support de stockage |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015179898A1 (fr) * | 2014-05-29 | 2015-12-03 | Canon Kabushiki Kaisha | Procédé, appareil et système pour débloquer un bloc d'échantillons vidéo |
GB2533905A (en) * | 2014-10-06 | 2016-07-13 | Canon Kk | Method and apparatus for video coding and decoding |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016043933A1 (fr) * | 2014-09-15 | 2016-03-24 | Mediatek Inc. | Procédé de déblocage pour copie intra-bloc dans un codage vidéo |
US9832467B2 (en) * | 2014-10-07 | 2017-11-28 | Qualcomm Incorporated | Deblock filtering for intra block copying |
-
2020
- 2020-10-02 WO PCT/RU2020/050263 patent/WO2020251420A2/fr unknown
- 2020-10-02 EP EP20822436.0A patent/EP4029271A4/fr active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015179898A1 (fr) * | 2014-05-29 | 2015-12-03 | Canon Kabushiki Kaisha | Procédé, appareil et système pour débloquer un bloc d'échantillons vidéo |
GB2533905A (en) * | 2014-10-06 | 2016-07-13 | Canon Kk | Method and apparatus for video coding and decoding |
Non-Patent Citations (3)
Title |
---|
ANDERSSON K ET AL: "CE5-2.1 and CE5-2.2: Deblocking on 4x4 sample grids", no. JVET-O0060, 17 June 2019 (2019-06-17), XP030205570, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0060-v1.zip JVET-O0060-v1.docx> [retrieved on 20190617] * |
BROSS B ET AL: "Versatile Video Coding (Draft 6)", no. JVET-O2001-vE; JVET-O2001, 31 July 2019 (2019-07-31), pages 1 - 455, XP030293944, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2001-v14.zip JVET-O2001-vE.docx> [retrieved on 20190731] * |
JIANLE CHEN ET AL: "Algorithm description for Versatile Video Coding and Test Model 6 (VTM 6)", no. JVET-O2002-v2; JVET-O2002, 10 September 2019 (2019-09-10), pages 1 - 87, XP030293946, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2002-v2.zip JVET-O2002-v2.docx> [retrieved on 20190910] * |
Also Published As
Publication number | Publication date |
---|---|
WO2020251420A3 (fr) | 2021-03-04 |
EP4029271A2 (fr) | 2022-07-20 |
WO2020251420A2 (fr) | 2020-12-17 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20220413 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20221013 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04N 19/593 20140101ALI20221010BHEP Ipc: H04N 19/157 20140101ALI20221010BHEP Ipc: H04N 19/86 20140101ALI20221010BHEP Ipc: H04N 19/82 20140101AFI20221010BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |