BR112019001571A2 - filtração de loop adaptativo com base em transformação de geometria - Google Patents
filtração de loop adaptativo com base em transformação de geometriaInfo
- Publication number
- BR112019001571A2 BR112019001571A2 BR112019001571A BR112019001571A BR112019001571A2 BR 112019001571 A2 BR112019001571 A2 BR 112019001571A2 BR 112019001571 A BR112019001571 A BR 112019001571A BR 112019001571 A BR112019001571 A BR 112019001571A BR 112019001571 A2 BR112019001571 A2 BR 112019001571A2
- Authority
- BR
- Brazil
- Prior art keywords
- alf
- block
- video
- units
- chroma components
- Prior art date
Links
Classifications
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- 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
- H04N19/102—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
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
-
- 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
- H04N19/186—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
- H04N19/80—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)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662370179P | 2016-08-02 | 2016-08-02 | |
| US15/665,492 US11095922B2 (en) | 2016-08-02 | 2017-08-01 | Geometry transformation-based adaptive loop filtering |
| PCT/US2017/045035 WO2018026887A1 (en) | 2016-08-02 | 2017-08-02 | Geometry transformation-based adaptive loop filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112019001571A2 true BR112019001571A2 (pt) | 2019-05-07 |
Family
ID=61071859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112019001571A BR112019001571A2 (pt) | 2016-08-02 | 2017-08-02 | filtração de loop adaptativo com base em transformação de geometria |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US20180041778A1 (enExample) |
| EP (2) | EP3494698A1 (enExample) |
| JP (1) | JP2019525605A (enExample) |
| KR (1) | KR20190032396A (enExample) |
| CN (2) | CN109479130B (enExample) |
| BR (1) | BR112019001571A2 (enExample) |
| CA (1) | CA3028469A1 (enExample) |
| TW (2) | TW201808006A (enExample) |
| WO (2) | WO2018026888A2 (enExample) |
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| US20180041778A1 (en) | 2016-08-02 | 2018-02-08 | Qualcomm Incorporated | Geometry transformation-based adaptive loop filtering |
| US10440396B2 (en) * | 2017-03-28 | 2019-10-08 | Qualcomm Incorporated | Filter information sharing among color components |
| EP3454556A1 (en) | 2017-09-08 | 2019-03-13 | Thomson Licensing | Method and apparatus for video encoding and decoding using pattern-based block filtering |
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| JP5670226B2 (ja) * | 2011-03-04 | 2015-02-18 | Kddi株式会社 | 動画像符号化装置、動画像符号化方法、およびプログラム |
| DE112012002125T5 (de) * | 2011-05-16 | 2014-02-20 | Mediatek Inc. | Vorrichtung und Verfahren für einen abtastungsadaptiven Offset für Luminanz- und Chrominanz-Komponenten |
| US9807403B2 (en) * | 2011-10-21 | 2017-10-31 | Qualcomm Incorporated | Adaptive loop filtering for chroma components |
| CN103096057B (zh) | 2011-11-08 | 2016-06-29 | 华为技术有限公司 | 一种色度帧内预测方法和装置 |
| US9445088B2 (en) * | 2012-04-09 | 2016-09-13 | Qualcomm Incorporated | LCU-based adaptive loop filtering for video coding |
| US20150365703A1 (en) * | 2014-06-13 | 2015-12-17 | Atul Puri | System and method for highly content adaptive quality restoration filtering for video coding |
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| CN105306957B (zh) | 2015-10-23 | 2019-04-26 | 湘潭中星电子有限公司 | 自适应环路滤波方法和设备 |
| CN105791877B (zh) | 2016-03-15 | 2019-06-07 | 北京大学 | 视频编解码中自适应环路滤波的方法 |
| US20180041778A1 (en) | 2016-08-02 | 2018-02-08 | Qualcomm Incorporated | Geometry transformation-based adaptive loop filtering |
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