EP3915251A4 - Intercodage dépendant de la taille - Google Patents
Intercodage dépendant de la taille Download PDFInfo
- Publication number
- EP3915251A4 EP3915251A4 EP20766860.9A EP20766860A EP3915251A4 EP 3915251 A4 EP3915251 A4 EP 3915251A4 EP 20766860 A EP20766860 A EP 20766860A EP 3915251 A4 EP3915251 A4 EP 3915251A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- inter coding
- size dependent
- dependent inter
- size
- coding
- 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
- 230000001419 dependent effect Effects 0.000 title 1
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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/184—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
- H04N19/50—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
- H04N19/513—Processing of motion vectors
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2019077179 | 2019-03-06 | ||
PCT/CN2020/078108 WO2020177756A1 (fr) | 2019-03-06 | 2020-03-06 | Intercodage dépendant de la taille |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3915251A1 EP3915251A1 (fr) | 2021-12-01 |
EP3915251A4 true EP3915251A4 (fr) | 2022-03-16 |
Family
ID=78124310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20766860.9A Pending EP3915251A4 (fr) | 2019-03-06 | 2020-03-06 | Intercodage dépendant de la taille |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3915251A4 (fr) |
JP (1) | JP7192145B2 (fr) |
KR (1) | KR20210131347A (fr) |
CN (1) | CN113545038B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3143538A1 (fr) * | 2019-06-14 | 2020-12-17 | Lg Electronics Inc. | Procede et dispositif de decodage d'image pour la derivation d'informations d'indice de ponderation pour la production d'echantillon de prediction |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015192353A1 (fr) * | 2014-06-19 | 2015-12-23 | Microsoft Technology Licensing, Llc | Modes de copie intra-bloc et de prédiction inter unifiés |
US20180295385A1 (en) * | 2015-06-10 | 2018-10-11 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding or decoding image using syntax signaling for adaptive weight prediction |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130195188A1 (en) * | 2012-01-26 | 2013-08-01 | Panasonic Corporation | Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus |
US9591312B2 (en) * | 2012-04-17 | 2017-03-07 | Texas Instruments Incorporated | Memory bandwidth reduction for motion compensation in video coding |
CN105637872B (zh) * | 2013-10-16 | 2019-01-01 | 夏普株式会社 | 图像解码装置、图像编码装置 |
US10327001B2 (en) * | 2014-06-19 | 2019-06-18 | Qualcomm Incorporated | Systems and methods for intra-block copy |
US9918105B2 (en) * | 2014-10-07 | 2018-03-13 | Qualcomm Incorporated | Intra BC and inter unification |
US10200713B2 (en) * | 2015-05-11 | 2019-02-05 | Qualcomm Incorporated | Search region determination for inter coding within a particular picture of video data |
US11146794B2 (en) * | 2015-07-27 | 2021-10-12 | Mediatek Inc. | Method of system for video coding using intra block copy mode |
EP3301920A1 (fr) * | 2016-09-30 | 2018-04-04 | Thomson Licensing | Procédé et appareil de codage et de décodage d'une vidéo omnidirectionnelle |
-
2020
- 2020-03-06 KR KR1020217027315A patent/KR20210131347A/ko active Search and Examination
- 2020-03-06 JP JP2021549769A patent/JP7192145B2/ja active Active
- 2020-03-06 EP EP20766860.9A patent/EP3915251A4/fr active Pending
- 2020-03-06 CN CN202080019119.7A patent/CN113545038B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015192353A1 (fr) * | 2014-06-19 | 2015-12-23 | Microsoft Technology Licensing, Llc | Modes de copie intra-bloc et de prédiction inter unifiés |
US20180295385A1 (en) * | 2015-06-10 | 2018-10-11 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding or decoding image using syntax signaling for adaptive weight prediction |
Non-Patent Citations (2)
Title |
---|
GARY J. SULLIVAN ET AL: "Overview of the High Efficiency Video Coding (HEVC) Standard", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, vol. 22, no. 12, 1 December 2012 (2012-12-01), USA, pages 1649 - 1668, XP055388661, ISSN: 1051-8215, DOI: 10.1109/TCSVT.2012.2221191 * |
LI (PANASONIC) J ET AL: "AHG5: Reduction of worst case memory bandwidth", no. JVET-L0122, 5 October 2018 (2018-10-05), XP030194935, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0122-v2.zip JVET-L0122.pdf> [retrieved on 20181005] * |
Also Published As
Publication number | Publication date |
---|---|
JP2022522149A (ja) | 2022-04-14 |
KR20210131347A (ko) | 2021-11-02 |
EP3915251A1 (fr) | 2021-12-01 |
CN113545038A (zh) | 2021-10-22 |
CN113545038B (zh) | 2023-10-24 |
JP7192145B2 (ja) | 2022-12-19 |
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Legal Events
Date | Code | Title | Description |
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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: 20210824 |
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AK | Designated contracting states |
Kind code of ref document: A1 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: 20220216 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04N 19/00 20140101AFI20220210BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
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17Q | First examination report despatched |
Effective date: 20240415 |