TW202005398A - 視訊編碼及解碼 - Google Patents

視訊編碼及解碼 Download PDF

Info

Publication number: TW202005398A
Authority: TW; Taiwan
Prior art keywords: sao; derivation; image; ctu; filtering
Prior art date: 2018-06-05

Application number

TW108118390A

Other languages

English (en)

Chinese (zh)

Inventor

吉羅姆拉契

派翠斯昂諾

克里斯托吉克

喬納森泰格特

Original Assignee

日商佳能股份有限公司

Priority date (The priority date 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 date listed.)

2018-06-05

Filing date

2019-05-28

Publication date

2020-01-16

2019-05-28 Application filed by 日商佳能股份有限公司 filed Critical 日商佳能股份有限公司

2020-01-16 Publication of TW202005398A publication Critical patent/TW202005398A/zh

Links

238000009795 derivation Methods 0.000 claims abstract description 392
238000001914 filtration Methods 0.000 claims abstract description 118
230000002123 temporal effect Effects 0.000 claims abstract description 64
230000003044 adaptive effect Effects 0.000 claims abstract description 13
238000000034 method Methods 0.000 claims description 166
230000008859 change Effects 0.000 claims description 9
230000009466 transformation Effects 0.000 claims description 9
238000005070 sampling Methods 0.000 claims description 3
230000006978 adaptation Effects 0.000 claims 1
230000008569 process Effects 0.000 description 72
230000008901 benefit Effects 0.000 description 28
238000004891 communication Methods 0.000 description 27
239000013598 vector Substances 0.000 description 26
230000011664 signaling Effects 0.000 description 22
238000012545 processing Methods 0.000 description 20
238000010586 diagram Methods 0.000 description 18
230000005540 biological transmission Effects 0.000 description 15
238000012360 testing method Methods 0.000 description 13
238000013139 quantization Methods 0.000 description 11
238000006243 chemical reaction Methods 0.000 description 10
238000011156 evaluation Methods 0.000 description 10
OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 10
239000010410 layer Substances 0.000 description 9
230000006870 function Effects 0.000 description 7
238000013507 mapping Methods 0.000 description 7
230000007246 mechanism Effects 0.000 description 7
238000004422 calculation algorithm Methods 0.000 description 6
230000002829 reductive effect Effects 0.000 description 6
238000013500 data storage Methods 0.000 description 5
230000001419 dependent effect Effects 0.000 description 5
238000013461 design Methods 0.000 description 5
230000000694 effects Effects 0.000 description 5
208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 4
241000023320 Luma <angiosperm> Species 0.000 description 4
230000006835 compression Effects 0.000 description 4
238000007906 compression Methods 0.000 description 4
238000004590 computer program Methods 0.000 description 4
238000005516 engineering process Methods 0.000 description 4
239000000284 extract Substances 0.000 description 4
230000003287 optical effect Effects 0.000 description 4
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
230000009467 reduction Effects 0.000 description 3
230000001052 transient effect Effects 0.000 description 3
238000004458 analytical method Methods 0.000 description 2
230000002457 bidirectional effect Effects 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
239000000835 fiber Substances 0.000 description 2
230000006872 improvement Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
230000002441 reversible effect Effects 0.000 description 2
230000003068 static effect Effects 0.000 description 2
101150114515 CTBS gene Proteins 0.000 description 1
238000003491 array Methods 0.000 description 1
230000003190 augmentative effect Effects 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000003086 colorant Substances 0.000 description 1
230000002860 competitive effect Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000010354 integration Effects 0.000 description 1
230000003993 interaction Effects 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
230000008520 organization Effects 0.000 description 1
238000005192 partition Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
230000008054 signal transmission Effects 0.000 description 1
239000002356 single layer Substances 0.000 description 1
230000005236 sound signal Effects 0.000 description 1
238000000844 transformation Methods 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Images

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
- H04N19/85—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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
- 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
- H04N19/146—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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
- 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
- H04N19/46—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
- H04N19/80—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)

TW108118390A 2018-06-05 2019-05-28 視訊編碼及解碼 TW202005398A (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1809232.0A GB2574421A (en)	2018-06-05	2018-06-05	Video coding and decoding
GB1809232.0		2018-06-05

Publications (1)

Publication Number	Publication Date
TW202005398A true TW202005398A (zh)	2020-01-16

Family

ID=62975603

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW108118390A TW202005398A (zh)	2018-06-05	2019-05-28	視訊編碼及解碼

Country Status (3)

Country	Link
GB (1)	GB2574421A (fr)
TW (1)	TW202005398A (fr)
WO (1)	WO2019233997A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20240244199A1 (en) *	2022-02-25	2024-07-18	Kwangwoon University Industry-Academic Collaboration Foundation	Encoding/decoding method for purpose of scalable structure-based hybrid task

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10070152B2 (en) *	2011-08-24	2018-09-04	Texas Instruments Incorporated	Sample adaptive offset (SAO) parameter signaling
US9560362B2 (en) *	2011-12-22	2017-01-31	Mediatek Inc.	Method and apparatus of texture image compression in 3D video coding
WO2014005305A1 (fr)	2012-07-04	2014-01-09	Intel Corporation	Réutilisation de paramètres de filtre inter-images pour codage vidéo à trois dimensions
WO2014047776A1 (fr) *	2012-09-25	2014-04-03	Intel Corporation	Réutilisation de paramètres de filtre adaptatif d'échantillon inter-couches pour codage vidéo échelonnable
GB2509563A (en)	2013-01-04	2014-07-09	Canon Kk	Encoding or decoding a scalable video sequence using inferred SAO parameters
GB2509706B (en) *	2013-01-04	2016-03-16	Canon Kk	A method, device, computer program, and information storage means for encoding or decoding a scalable video sequence
KR102166335B1 (ko) *	2013-04-19	2020-10-15	삼성전자주식회사	Sao 파라미터를 시그널링하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
US10382766B2 (en) *	2016-05-09	2019-08-13	Qualcomm Incorporated	Signalling of filtering information

2018
- 2018-06-05 GB GB1809232.0A patent/GB2574421A/en not_active Withdrawn
2019
- 2019-05-28 TW TW108118390A patent/TW202005398A/zh unknown
- 2019-06-04 WO PCT/EP2019/064453 patent/WO2019233997A1/fr not_active Ceased

Also Published As

Publication number	Publication date
GB2574421A (en)	2019-12-11
WO2019233997A1 (fr)	2019-12-12
GB201809232D0 (en)	2018-07-25

Publication	Publication Date	Title
US11601687B2 (en)	2023-03-07	Method and device for providing compensation offsets for a set of reconstructed samples of an image
TWI782904B (zh)	2022-11-11	合併用於視訊寫碼之用於多類別區塊之濾波器
US10298939B2 (en)	2019-05-21	Quantization in video coding
US20120328003A1 (en)	2012-12-27	Memory efficient context modeling
JP7410236B2 (ja)	2024-01-09	ビデオ符号化のための位置依存の空間変化変換
CN116783889A (zh)	2023-09-19	跨分量样本自适应偏移中的编解码增强
WO2020057516A1 (fr)	2020-03-26	Division avec contrainte de haut niveau
US12341999B2 (en)	2025-06-24	Coding enhancement in cross-component sample adaptive offset
CN116671105A (zh)	2023-08-29	具有虚拟边界的跨分量样点自适应偏移中的色度编解码增强
CN118160303A (zh)	2024-06-07	用于解码器侧帧内模式推导的方法和设备
TW202005371A (zh)	2020-01-16	視訊編碼及解碼
GB2498982A (en)	2013-08-07	Encoding or Decoding an Image Composed of a Plurality of Colour Components
TW202005398A (zh)	2020-01-16	視訊編碼及解碼
TW202013963A (zh)	2020-04-01	視訊編碼及解碼
TW202005370A (zh)	2020-01-16	視訊編碼及解碼
TW202005369A (zh)	2020-01-16	視訊編碼及解碼
TW202013964A (zh)	2020-04-01	視訊編碼及解碼
CN117203962A (zh)	2023-12-08	跨分量样本自适应偏移中的编解码增强