DE69415229D1 - Vorrichtung für die inverse diskrete Cosinustransformation - Google Patents
Vorrichtung für die inverse diskrete CosinustransformationInfo
- Publication number
- DE69415229D1 DE69415229D1 DE69415229T DE69415229T DE69415229D1 DE 69415229 D1 DE69415229 D1 DE 69415229D1 DE 69415229 T DE69415229 T DE 69415229T DE 69415229 T DE69415229 T DE 69415229T DE 69415229 D1 DE69415229 D1 DE 69415229D1
- Authority
- DE
- Germany
- Prior art keywords
- discrete cosine
- inverse discrete
- cosine transformation
- transformation
- inverse
- 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.)
- Expired - Lifetime
Links
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
- H04N19/60—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]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Discrete Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930013512A KR960010199B1 (ko) | 1993-07-16 | 1993-07-16 | 디지탈 신호처리 칩 제어장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69415229D1 true DE69415229D1 (de) | 1999-01-28 |
DE69415229T2 DE69415229T2 (de) | 1999-07-08 |
Family
ID=19359467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69415229T Expired - Lifetime DE69415229T2 (de) | 1993-07-16 | 1994-07-18 | Vorrichtung für die inverse diskrete Cosinustransformation |
Country Status (6)
Country | Link |
---|---|
US (1) | US5519648A (de) |
EP (1) | EP0634726B1 (de) |
JP (1) | JPH07114533A (de) |
KR (1) | KR960010199B1 (de) |
CN (1) | CN1056028C (de) |
DE (1) | DE69415229T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3339726A1 (de) * | 1983-11-03 | 1985-05-23 | Huppert, Reinhold, 3560 Biedenkopf | Kolbenmotor |
JP4035789B2 (ja) * | 1994-10-13 | 2008-01-23 | 富士通株式会社 | 逆離散コサイン変換装置 |
US6272257B1 (en) * | 1997-04-30 | 2001-08-07 | Canon Kabushiki Kaisha | Decoder of variable length codes |
US6259456B1 (en) | 1997-04-30 | 2001-07-10 | Canon Kabushiki Kaisha | Data normalization techniques |
US8416857B2 (en) * | 2007-03-29 | 2013-04-09 | James Au | Parallel or pipelined macroblock processing |
US8798383B1 (en) * | 2011-03-28 | 2014-08-05 | UtopiaCompression Corp. | Method of adaptive structure-driven compression for image transmission over ultra-low bandwidth data links |
US20130021350A1 (en) * | 2011-07-19 | 2013-01-24 | Advanced Micro Devices, Inc. | Apparatus and method for decoding using coefficient compression |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202847A (en) * | 1990-07-31 | 1993-04-13 | Inmos Limited | Digital signal processing |
US5349549A (en) * | 1991-09-30 | 1994-09-20 | Sony Corporation | Forward transform processing apparatus and inverse processing apparatus for modified discrete cosine transforms, and method of performing spectral and temporal analyses including simplified forward and inverse orthogonal transform processing |
JP2950682B2 (ja) * | 1992-08-04 | 1999-09-20 | シャープ株式会社 | 逆離散余弦変換演算装置 |
US5345408A (en) * | 1993-04-19 | 1994-09-06 | Gi Corporation | Inverse discrete cosine transform processor |
-
1993
- 1993-07-16 KR KR1019930013512A patent/KR960010199B1/ko not_active IP Right Cessation
-
1994
- 1994-07-15 CN CN94115967A patent/CN1056028C/zh not_active Expired - Lifetime
- 1994-07-18 US US08/276,237 patent/US5519648A/en not_active Expired - Lifetime
- 1994-07-18 JP JP16519394A patent/JPH07114533A/ja active Pending
- 1994-07-18 DE DE69415229T patent/DE69415229T2/de not_active Expired - Lifetime
- 1994-07-18 EP EP19940111173 patent/EP0634726B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0634726A3 (de) | 1995-09-06 |
EP0634726A2 (de) | 1995-01-18 |
KR960010199B1 (ko) | 1996-07-26 |
CN1110859A (zh) | 1995-10-25 |
DE69415229T2 (de) | 1999-07-08 |
US5519648A (en) | 1996-05-21 |
JPH07114533A (ja) | 1995-05-02 |
EP0634726B1 (de) | 1998-12-16 |
KR950005029A (ko) | 1995-02-18 |
CN1056028C (zh) | 2000-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DAEWOO ELECTRONICS CORP., SEOUL/SOUL, KR |