TW202002634A - 圖像編碼裝置、圖像解碼裝置、圖像編碼方法、圖像解碼方法、電腦程式 - Google Patents
圖像編碼裝置、圖像解碼裝置、圖像編碼方法、圖像解碼方法、電腦程式 Download PDFInfo
- Publication number
- TW202002634A TW202002634A TW108115008A TW108115008A TW202002634A TW 202002634 A TW202002634 A TW 202002634A TW 108115008 A TW108115008 A TW 108115008A TW 108115008 A TW108115008 A TW 108115008A TW 202002634 A TW202002634 A TW 202002634A
- Authority
- TW
- Taiwan
- Prior art keywords
- quantization
- dimensional vector
- quantization matrix
- encoding
- decoding
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 57
- 238000004590 computer program Methods 0.000 title claims description 12
- 238000013139 quantization Methods 0.000 claims abstract description 418
- 239000013598 vector Substances 0.000 claims abstract description 286
- 239000011159 matrix material Substances 0.000 claims abstract description 169
- 230000009466 transformation Effects 0.000 claims description 23
- 230000001131 transforming effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 35
- 230000015654 memory Effects 0.000 description 23
- 238000012545 processing Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 238000011426 transformation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000844 transformation Methods 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
- H04N19/10—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
- H04N19/46—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/94—Vector quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-123523 | 2018-06-28 | ||
| JP2018123523A JP7090490B2 (ja) | 2018-06-28 | 2018-06-28 | 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW202002634A true TW202002634A (zh) | 2020-01-01 |
Family
ID=68987035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108115008A TW202002634A (zh) | 2018-06-28 | 2019-04-30 | 圖像編碼裝置、圖像解碼裝置、圖像編碼方法、圖像解碼方法、電腦程式 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7090490B2 (enExample) |
| TW (1) | TW202002634A (enExample) |
| WO (1) | WO2020003703A1 (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007094100A1 (ja) * | 2006-02-13 | 2009-07-02 | 株式会社東芝 | 動画像符号化／復号化方法及び装置並びにプログラム |
| JP2012186617A (ja) * | 2011-01-31 | 2012-09-27 | Sony Corp | 画像処理装置および方法 |
-
2018
- 2018-06-28 JP JP2018123523A patent/JP7090490B2/ja active Active
-
2019
- 2019-04-18 WO PCT/JP2019/016614 patent/WO2020003703A1/ja not_active Ceased
- 2019-04-30 TW TW108115008A patent/TW202002634A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020003703A1 (ja) | 2020-01-02 |
| JP2020005143A (ja) | 2020-01-09 |
| JP7090490B2 (ja) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011083573A1 (ja) | 動画像符号化装置及び動画像復号化装置 | |
| KR102782659B1 (ko) | 화상 부호화 장치, 화상 부호화 방법 및 저장 매체 | |
| JP7610690B2 (ja) | 画像復号装置及び方法及びプログラム | |
| TWI795635B (zh) | 圖像解碼裝置、圖像解碼方法及程式 | |
| JP2023113858A (ja) | 画像復号装置、画像復号方法、及びプログラム | |
| JP7727815B2 (ja) | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法 | |
| TWI803709B (zh) | 圖像編碼裝置、圖像解碼裝置、其等之控制方法及程式 | |
| KR20060119736A (ko) | 영상 신호의 인코딩 방법 | |
| WO2021054012A1 (ja) | 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム | |
| JP7090490B2 (ja) | 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法 | |
| TW202002635A (zh) | 影像編碼裝置、影像解碼裝置、其等之控制方法及程式 | |
| HK40105439A (zh) | 图像编码设备和方法、图像解码设备和方法以及存储介质 | |
| HK40105440A (zh) | 图像编码设备和方法、图像解码设备和方法以及存储介质 | |
| JP2023140150A (ja) | 画像符号化装置、画像復号装置、画像符号化方法、および画像復号方法 | |
| HK40106665A (zh) | 图像编码设备和方法、图像解码设备和方法以及存储介质 | |
| HK40105437A (zh) | 图像编码设备和方法、图像解码设备和方法以及存储介质 | |
| HK40105438A (zh) | 图像编码设备和方法、图像解码设备和方法以及存储介质 | |
| HK40056292A (en) | Method for video decoding and related apparatus |