CA2654116A1 - Approximations en virgule fixe efficaces de transformees en cosinus discretes inverses et avant - Google Patents
Approximations en virgule fixe efficaces de transformees en cosinus discretes inverses et avant Download PDFInfo
- Publication number
- CA2654116A1 CA2654116A1 CA002654116A CA2654116A CA2654116A1 CA 2654116 A1 CA2654116 A1 CA 2654116A1 CA 002654116 A CA002654116 A CA 002654116A CA 2654116 A CA2654116 A CA 2654116A CA 2654116 A1 CA2654116 A1 CA 2654116A1
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- Granted
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- 239000011159 matrix material Substances 0.000 claims abstract description 642
- 238000000034 method Methods 0.000 claims abstract description 61
- 239000013598 vector Substances 0.000 claims description 139
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- 102000016550 Complement Factor H Human genes 0.000 claims description 28
- 108010053085 Complement Factor H Proteins 0.000 claims description 28
- 102000051759 human factor J Human genes 0.000 claims description 28
- 108700008420 human factor J Proteins 0.000 claims description 28
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000013139 quantization Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 16
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Signal Processing (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Multimedia (AREA)
- Discrete Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81669706P | 2006-06-26 | 2006-06-26 | |
| US60/816,697 | 2006-06-26 | ||
| US84136206P | 2006-08-30 | 2006-08-30 | |
| US60/841,362 | 2006-08-30 | ||
| US84719406P | 2006-09-25 | 2006-09-25 | |
| US60/847,194 | 2006-09-25 | ||
| US82966906P | 2006-10-16 | 2006-10-16 | |
| US60/829,669 | 2006-10-16 | ||
| US86953006P | 2006-12-11 | 2006-12-11 | |
| US60/869,530 | 2006-12-11 | ||
| US88393207P | 2007-01-08 | 2007-01-08 | |
| US60/883,932 | 2007-01-08 | ||
| PCT/US2007/072169 WO2008005757A2 (fr) | 2006-06-26 | 2007-06-26 | Approximations en virgule fixe efficaces de transformées en cosinus discrètes inverses et avant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2654116A1 true CA2654116A1 (fr) | 2008-01-10 |
| CA2654116C CA2654116C (fr) | 2013-04-02 |
Family
ID=38828732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2654116A Expired - Fee Related CA2654116C (fr) | 2006-06-26 | 2007-06-26 | Approximations en virgule fixe efficaces de transformees en cosinus discretes inverses et avant |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2089812A2 (fr) |
| JP (1) | JP5129248B2 (fr) |
| KR (1) | KR100963459B1 (fr) |
| CN (1) | CN102037729B (fr) |
| BR (1) | BRPI0713321B1 (fr) |
| CA (1) | CA2654116C (fr) |
| TW (1) | TWI336444B (fr) |
| WO (1) | WO2008005757A2 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959780B (zh) * | 2011-12-15 | 2017-10-13 | 寰发股份有限公司 | 量化电平截取装置及方法 |
| KR101395143B1 (ko) | 2013-06-13 | 2014-05-21 | 이노뎁 주식회사 | 영상처리의 정수변환 방법 및 정수변환 장치 |
| US10432952B2 (en) * | 2015-11-19 | 2019-10-01 | Qualcomm Incorporated | System and methods for fixed-point approximations in display stream compression (DSC) |
| US9870341B2 (en) * | 2016-03-18 | 2018-01-16 | Qualcomm Incorporated | Memory reduction method for fixed point matrix multiply |
| CN118229685B (zh) * | 2024-05-24 | 2024-09-27 | 天津市疾病预防控制中心 | 一种基于神经网络的hiv抗原检测方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5754456A (en) * | 1996-03-05 | 1998-05-19 | Intel Corporation | Computer system performing an inverse cosine transfer function for use with multimedia information |
| KR20000013653A (ko) * | 1998-08-12 | 2000-03-06 | 이종하 | 정/역 최적화 정수형 여현변환장치 및 그 방법 |
| DE10116204A1 (de) * | 2000-08-12 | 2002-02-21 | Bosch Gmbh Robert | Verfahren zur ganzzahligen Approximation von Transformationskoeffizienten sowie Coder und Decoder |
| WO2005032117A2 (fr) * | 2003-09-24 | 2005-04-07 | Texas Instruments Incorporated | Transformee 8x8 et quantification |
-
2007
- 2007-06-26 WO PCT/US2007/072169 patent/WO2008005757A2/fr active Application Filing
- 2007-06-26 CA CA2654116A patent/CA2654116C/fr not_active Expired - Fee Related
- 2007-06-26 KR KR1020087032218A patent/KR100963459B1/ko active IP Right Grant
- 2007-06-26 JP JP2009518523A patent/JP5129248B2/ja active Active
- 2007-06-26 CN CN2007800237195A patent/CN102037729B/zh active Active
- 2007-06-26 BR BRPI0713321A patent/BRPI0713321B1/pt active IP Right Grant
- 2007-06-26 TW TW096123080A patent/TWI336444B/zh active
- 2007-06-26 EP EP07840291A patent/EP2089812A2/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| TWI336444B (en) | 2011-01-21 |
| JP5129248B2 (ja) | 2013-01-30 |
| KR20090028736A (ko) | 2009-03-19 |
| JP2010505287A (ja) | 2010-02-18 |
| BRPI0713321A2 (pt) | 2012-03-13 |
| BRPI0713321B1 (pt) | 2018-12-04 |
| WO2008005757A3 (fr) | 2011-03-10 |
| EP2089812A2 (fr) | 2009-08-19 |
| KR100963459B1 (ko) | 2010-06-17 |
| CN102037729B (zh) | 2013-02-27 |
| TW200823694A (en) | 2008-06-01 |
| WO2008005757A2 (fr) | 2008-01-10 |
| CN102037729A (zh) | 2011-04-27 |
| CA2654116C (fr) | 2013-04-02 |
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|---|---|---|
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| AU748947C (en) | Method and apparatus for inverse quantization of MPEG-4 video | |
| CA2654116C (fr) | Approximations en virgule fixe efficaces de transformees en cosinus discretes inverses et avant | |
| RU2417423C2 (ru) | Эффективные аппроксимации с фиксированной запятой прямого и обратного дискретных косинусных преобразований | |
| BRPI0712996A2 (pt) | aproximações eficientes para ponto fixo de transformadas de co-seno discretas, diretas e inversas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20200831 |