KR20040093485A - 양자화기 스케일 선택을 사용한 화상 코딩 - Google Patents
양자화기 스케일 선택을 사용한 화상 코딩 Download PDFInfo
- Publication number
- KR20040093485A KR20040093485A KR10-2004-7015366A KR20047015366A KR20040093485A KR 20040093485 A KR20040093485 A KR 20040093485A KR 20047015366 A KR20047015366 A KR 20047015366A KR 20040093485 A KR20040093485 A KR 20040093485A
- Authority
- KR
- South Korea
- Prior art keywords
- quantization scale
- blocks
- quantization
- data stream
- video data
- 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- Withdrawn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 110
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 21
- 238000004590 computer program Methods 0.000 claims description 7
- 230000006870 function Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000010845 search algorithm Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02076263.9 | 2002-03-28 | ||
| EP02076263 | 2002-03-28 | ||
| PCT/IB2003/001246 WO2003084240A1 (en) | 2002-03-28 | 2003-03-27 | Image coding using quantizer scale selection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20040093485A true KR20040093485A (ko) | 2004-11-05 |
Family
ID=28459535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2004-7015366A Withdrawn KR20040093485A (ko) | 2002-03-28 | 2003-03-27 | 양자화기 스케일 선택을 사용한 화상 코딩 |
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 |
| CN111726639B (zh) * | 2016-11-18 | 2023-05-30 | 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 KR KR10-2004-7015366A patent/KR20040093485A/ko not_active Withdrawn
- 2003-03-27 CN CNA038068893A patent/CN1643935A/zh active Pending
- 2003-03-27 JP JP2003581506A patent/JP2005522118A/ja not_active Withdrawn
- 2003-03-27 US US10/509,546 patent/US20050175088A1/en not_active Abandoned
- 2003-03-27 WO PCT/IB2003/001246 patent/WO2003084240A1/en not_active Ceased
- 2003-03-27 AU AU2003215850A patent/AU2003215850A1/en not_active Abandoned
- 2003-03-27 EP EP03745381A patent/EP1493282A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1493282A1 (en) | 2005-01-05 |
| US20050175088A1 (en) | 2005-08-11 |
| JP2005522118A (ja) | 2005-07-21 |
| AU2003215850A1 (en) | 2003-10-13 |
| CN1643935A (zh) | 2005-07-20 |
| WO2003084240A1 (en) | 2003-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20040924 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |