ATE383716T1 - Intraframe-komprimierung und dekomprimierung von videosignalen mit fester bitrate - Google Patents
Intraframe-komprimierung und dekomprimierung von videosignalen mit fester bitrateInfo
- Publication number
- ATE383716T1 ATE383716T1 AT04749684T AT04749684T ATE383716T1 AT E383716 T1 ATE383716 T1 AT E383716T1 AT 04749684 T AT04749684 T AT 04749684T AT 04749684 T AT04749684 T AT 04749684T AT E383716 T1 ATE383716 T1 AT E383716T1
- Authority
- AT
- Austria
- Prior art keywords
- data
- image
- macroblock
- bit rate
- image scan
- Prior art date
Links
- 238000007906 compression Methods 0.000 title abstract 3
- 230000006835 compression Effects 0.000 title abstract 2
- 230000006837 decompression Effects 0.000 title 1
- 206010039509 Scab Diseases 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000013139 quantization Methods 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 abstract 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
- H04N19/134—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
-
- 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
- H04N19/134—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/60—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
- H04N19/90—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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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)
- Color Television Systems (AREA)
- Error Detection And Correction (AREA)
- Television Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46051703P | 2003-04-04 | 2003-04-04 | |
| US46054703P | 2003-04-04 | 2003-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE383716T1 true ATE383716T1 (de) | 2008-01-15 |
Family
ID=33162234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04749684T ATE383716T1 (de) | 2003-04-04 | 2004-04-01 | Intraframe-komprimierung und dekomprimierung von videosignalen mit fester bitrate |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1629675B1 (de) |
| AT (1) | ATE383716T1 (de) |
| CA (3) | CA2521467C (de) |
| DE (1) | DE602004011213T2 (de) |
| DK (1) | DK1629675T3 (de) |
| ES (1) | ES2299847T3 (de) |
| PT (1) | PT1629675E (de) |
| WO (1) | WO2004091221A2 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7433519B2 (en) | 2003-04-04 | 2008-10-07 | Avid Technology, Inc. | Bitstream format for compressed image data |
| US7403561B2 (en) | 2003-04-04 | 2008-07-22 | Avid Technology, Inc. | Fixed bit rate, intraframe compression and decompression of video |
| GB2492392B (en) * | 2011-06-30 | 2014-09-03 | Canon Kk | Method for encoding and decoding an image, and corresponding devices |
| GB2608878B (en) | 2018-06-29 | 2023-04-12 | Imagination Tech Ltd | Guaranteed data compression |
| GB2575434B (en) | 2018-06-29 | 2020-07-22 | Imagination Tech Ltd | Guaranteed data compression |
| GB2575436B (en) | 2018-06-29 | 2022-03-09 | Imagination Tech Ltd | Guaranteed data compression |
| GB2575121B (en) * | 2018-06-29 | 2022-12-28 | Imagination Tech Ltd | Guaranteed data compression |
| WO2023230933A1 (zh) * | 2022-05-31 | 2023-12-07 | 上海玄戒技术有限公司 | 图像压缩方法、装置、电子设备、芯片及储存介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0500077B1 (de) * | 1991-02-21 | 1997-09-24 | Nec Corporation | Kodierungsgerät zur Kompression von bewegten Bilddaten |
| EP0618733B1 (de) * | 1993-03-29 | 2000-05-24 | Canon Kabushiki Kaisha | Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben. |
| US5724097A (en) * | 1993-10-18 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Adaptive quantization of video based on edge detection |
| US6160846A (en) * | 1995-10-25 | 2000-12-12 | Sarnoff Corporation | Apparatus and method for optimizing the rate control in a coding system |
| US5821887A (en) * | 1996-11-12 | 1998-10-13 | Intel Corporation | Method and apparatus for decoding variable length codes |
| WO1998035500A1 (en) * | 1997-02-11 | 1998-08-13 | Sharp Kabushiki Kaisha | Method and apparatus for optimizing quantizer values in an image encoder |
| US6118822A (en) * | 1997-12-01 | 2000-09-12 | Conexant Systems, Inc. | Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes |
| US6408026B1 (en) * | 1999-08-06 | 2002-06-18 | Sony Corporation | Deadzone quantization method and apparatus for image compression |
-
2004
- 2004-04-01 CA CA002521467A patent/CA2521467C/en not_active Expired - Lifetime
- 2004-04-01 DK DK04749684T patent/DK1629675T3/da active
- 2004-04-01 DE DE602004011213T patent/DE602004011213T2/de not_active Expired - Lifetime
- 2004-04-01 CA CA2639643A patent/CA2639643C/en not_active Expired - Lifetime
- 2004-04-01 EP EP04749684A patent/EP1629675B1/de not_active Expired - Lifetime
- 2004-04-01 ES ES04749684T patent/ES2299847T3/es not_active Expired - Lifetime
- 2004-04-01 PT PT04749684T patent/PT1629675E/pt unknown
- 2004-04-01 AT AT04749684T patent/ATE383716T1/de active
- 2004-04-01 WO PCT/US2004/010243 patent/WO2004091221A2/en not_active Ceased
- 2004-04-01 CA CA2640597A patent/CA2640597C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK1629675T3 (da) | 2008-05-19 |
| EP1629675A2 (de) | 2006-03-01 |
| EP1629675B1 (de) | 2008-01-09 |
| CA2639643C (en) | 2010-11-09 |
| CA2640597A1 (en) | 2004-10-21 |
| CA2521467C (en) | 2008-12-16 |
| DE602004011213T2 (de) | 2009-01-08 |
| WO2004091221A3 (en) | 2005-04-21 |
| WO2004091221A2 (en) | 2004-10-21 |
| CA2639643A1 (en) | 2004-10-21 |
| CA2521467A1 (en) | 2004-10-21 |
| CA2640597C (en) | 2010-06-22 |
| PT1629675E (pt) | 2008-04-18 |
| DE602004011213D1 (de) | 2008-02-21 |
| ES2299847T3 (es) | 2008-06-01 |
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|---|---|---|---|
| UEP | Publication of translation of european patent specification |
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