TW202002635A - 影像編碼裝置、影像解碼裝置、其等之控制方法及程式 - Google Patents

影像編碼裝置、影像解碼裝置、其等之控制方法及程式 Download PDF

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Publication number: TW202002635A
Authority: TW; Taiwan
Prior art keywords: quantization matrix; image; quantization; encoding; unit
Prior art date: 2018-06-29

Application number

TW108116856A

Other languages

English (en)

Chinese (zh)

Inventor

志摩悟

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.)

2018-06-29

Filing date

2019-05-16

Publication date

2020-01-01

2019-05-16 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

2020-01-01 Publication of TW202002635A publication Critical patent/TW202002635A/zh

Links

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238000013139 quantization Methods 0.000 claims abstract description 296
239000011159 matrix material Substances 0.000 claims abstract description 233
230000010354 integration Effects 0.000 claims abstract description 3
230000008569 process Effects 0.000 claims description 27
230000009466 transformation Effects 0.000 claims description 17
238000000926 separation method Methods 0.000 claims description 15
239000000463 material Substances 0.000 claims description 10
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238000011069 regeneration method Methods 0.000 claims 1
238000006243 chemical reaction Methods 0.000 abstract description 11
238000010586 diagram Methods 0.000 description 33
238000004590 computer program Methods 0.000 description 5
230000006870 function Effects 0.000 description 5
238000004364 calculation method Methods 0.000 description 4
230000006835 compression Effects 0.000 description 3
238000007906 compression Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
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238000012986 modification Methods 0.000 description 1
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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
- H04N19/10—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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
- 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
- H04N19/157—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
- H04N19/46—Embedding additional information in the video signal during the compression process
- 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

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Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)

TW108116856A 2018-06-29 2019-05-16 影像編碼裝置、影像解碼裝置、其等之控制方法及程式 TW202002635A (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018-125298		2018-06-29
JP2018125298		2018-06-29

Publications (1)

Publication Number	Publication Date
TW202002635A true TW202002635A (zh)	2020-01-01

Family

ID=68985602

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW108116856A TW202002635A (zh)	2018-06-29	2019-05-16	影像編碼裝置、影像解碼裝置、其等之控制方法及程式

Country Status (3)

Country	Link
JP (1)	JP2020010320A (fr)
TW (1)	TW202002635A (fr)
WO (1)	WO2020003740A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111556319B (zh) *	2020-05-14	2021-12-17	电子科技大学	一种基于矩阵分解的视频编码方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101695132B (zh) *	2004-01-20	2012-06-27	松下电器产业株式会社	图像编码方法和设备、图像解码方法和设备
US9641840B2 (en) *	2011-05-20	2017-05-02	Sony Corporation	Processing device and image processing method for encoding and decoding image
WO2013005386A1 (fr) *	2011-07-01	2013-01-10	Panasonic Corporation	Procédé et appareil pour coder et décoder une vidéo à l'aide d'une matrice de quantification adaptative pour des unités de transformation carrées et rectangulaires
JP2013038758A (ja) *	2011-07-13	2013-02-21	Canon Inc	画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
WO2013065259A1 (fr) *	2011-11-01	2013-05-10	日本電気株式会社	Dispositif de codage vidéo, dispositif de décodage vidéo, procédé de codage vidéo, procédé de décodage vidéo et programme
PT2840791T (pt) *	2012-04-16	2018-04-16	Electronics & Telecommunications Res Inst	Método e dispositivo para codificação/descodificação de imagem

2019
- 2019-05-07 WO PCT/JP2019/018257 patent/WO2020003740A1/fr not_active Ceased
- 2019-05-16 TW TW108116856A patent/TW202002635A/zh unknown
- 2019-05-31 JP JP2019103181A patent/JP2020010320A/ja active Pending

Also Published As

Publication number	Publication date
WO2020003740A1 (fr)	2020-01-02
JP2020010320A (ja)	2020-01-16

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