JP2005522118A - 量子化器スケール選択を用いた画像符号化 - Google Patents
量子化器スケール選択を用いた画像符号化 Download PDFInfo
- Publication number
- JP2005522118A JP2005522118A JP2003581506A JP2003581506A JP2005522118A JP 2005522118 A JP2005522118 A JP 2005522118A JP 2003581506 A JP2003581506 A JP 2003581506A JP 2003581506 A JP2003581506 A JP 2003581506A JP 2005522118 A JP2005522118 A JP 2005522118A
- Authority
- JP
- Japan
- Prior art keywords
- quantization scale
- blocks
- data stream
- video data
- distortion
- 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.)
- Withdrawn
Links
- 238000013139 quantization Methods 0.000 claims abstract description 113
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 7
- 238000004422 calculation algorithm Methods 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010845 search algorithm Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009877 rendering 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
- H04N19/10—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
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/60—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02076263 | 2002-03-28 | ||
| PCT/IB2003/001246 WO2003084240A1 (en) | 2002-03-28 | 2003-03-27 | Image coding using quantizer scale selection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005522118A true JP2005522118A (ja) | 2005-07-21 |
| JP2005522118A5 JP2005522118A5 (enExample) | 2006-05-18 |
Family
ID=28459535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003581506A Withdrawn JP2005522118A (ja) | 2002-03-28 | 2003-03-27 | 量子化器スケール選択を用いた画像符号化 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20050175088A1 (enExample) |
| EP (1) | EP1493282A1 (enExample) |
| JP (1) | JP2005522118A (enExample) |
| KR (1) | KR20040093485A (enExample) |
| CN (1) | CN1643935A (enExample) |
| AU (1) | AU2003215850A1 (enExample) |
| WO (1) | WO2003084240A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2889381A1 (fr) * | 2005-07-28 | 2007-02-02 | Thomson Licensing Sas | Procede et dispositif de determination de parametres de quantification dans une image |
| CN106791883A (zh) * | 2016-11-18 | 2017-05-31 | 上海兆芯集成电路有限公司 | 纹理砖压缩及解压缩方法以及使用该方法的装置 |
| CN114630120B (zh) * | 2020-12-14 | 2024-03-29 | 瑞昱半导体股份有限公司 | 基于自适应压缩率的视频压缩方法与电路系统 |
| TWI789187B (zh) * | 2021-12-29 | 2023-01-01 | 瑞昱半導體股份有限公司 | 壓縮方法與相關的電子裝置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100207638B1 (ko) * | 1995-05-29 | 1999-07-15 | 윤종용 | 가변비트율 비디오 부호화방법 |
-
2003
- 2003-03-27 AU AU2003215850A patent/AU2003215850A1/en not_active Abandoned
- 2003-03-27 KR KR10-2004-7015366A patent/KR20040093485A/ko not_active Withdrawn
- 2003-03-27 CN CNA038068893A patent/CN1643935A/zh active Pending
- 2003-03-27 WO PCT/IB2003/001246 patent/WO2003084240A1/en not_active Ceased
- 2003-03-27 US US10/509,546 patent/US20050175088A1/en not_active Abandoned
- 2003-03-27 JP JP2003581506A patent/JP2005522118A/ja not_active Withdrawn
- 2003-03-27 EP EP03745381A patent/EP1493282A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003084240A1 (en) | 2003-10-09 |
| KR20040093485A (ko) | 2004-11-05 |
| CN1643935A (zh) | 2005-07-20 |
| EP1493282A1 (en) | 2005-01-05 |
| AU2003215850A1 (en) | 2003-10-13 |
| US20050175088A1 (en) | 2005-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060324 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060324 |
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| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20070522 |