DE69527930D1 - Verfahren zur inversen, diskreten Cosinus-Transformation - Google Patents
Verfahren zur inversen, diskreten Cosinus-TransformationInfo
- Publication number
- DE69527930D1 DE69527930D1 DE69527930T DE69527930T DE69527930D1 DE 69527930 D1 DE69527930 D1 DE 69527930D1 DE 69527930 T DE69527930 T DE 69527930T DE 69527930 T DE69527930 T DE 69527930T DE 69527930 D1 DE69527930 D1 DE 69527930D1
- Authority
- DE
- Germany
- Prior art keywords
- inverse
- discrete cosine
- cosine transformation
- transformation
- discrete
- 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 - Fee Related
Links
Classifications
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30187294 | 1994-12-06 | ||
JP27894795A JPH08235159A (ja) | 1994-12-06 | 1995-10-26 | 逆コサイン変換装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69527930D1 true DE69527930D1 (de) | 2002-10-02 |
DE69527930T2 DE69527930T2 (de) | 2003-04-24 |
Family
ID=26553111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995627930 Expired - Fee Related DE69527930T2 (de) | 1994-12-06 | 1995-12-04 | Verfahren zur inversen, diskreten Cosinus-Transformation |
Country Status (4)
Country | Link |
---|---|
US (1) | US5724278A (de) |
EP (1) | EP0720104B1 (de) |
JP (1) | JPH08235159A (de) |
DE (1) | DE69527930T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6336180B1 (en) | 1997-04-30 | 2002-01-01 | Canon Kabushiki Kaisha | Method, apparatus and system for managing virtual memory with virtual-physical mapping |
JPH1063646A (ja) * | 1996-08-23 | 1998-03-06 | Nec Corp | 2次元逆離散コサイン変換回路 |
JP3092526B2 (ja) * | 1996-09-20 | 2000-09-25 | 日本電気株式会社 | 2次元逆離散コサイン変換回路 |
US6003056A (en) * | 1997-01-06 | 1999-12-14 | Auslander; Lewis | Dimensionless fast fourier transform method and apparatus |
AUPO648397A0 (en) | 1997-04-30 | 1997-05-22 | Canon Information Systems Research Australia Pty Ltd | Improvements in multiprocessor architecture operation |
US6061749A (en) | 1997-04-30 | 2000-05-09 | Canon Kabushiki Kaisha | Transformation of a first dataword received from a FIFO into an input register and subsequent dataword from the FIFO into a normalized output dataword |
US6504871B1 (en) * | 1997-07-31 | 2003-01-07 | Lsi Logic Corporation | IDCT processor for use in decoding MPEG compliant video bitstreams meeting 2-frame and letterboxing requirements |
GB9722982D0 (en) * | 1997-10-31 | 1998-01-07 | Integrated Silicon Systems Lim | A commutator circuit |
JPH11143860A (ja) * | 1997-11-07 | 1999-05-28 | Matsushita Electric Ind Co Ltd | 直交変換装置 |
US6088019A (en) * | 1998-06-23 | 2000-07-11 | Immersion Corporation | Low cost force feedback device with actuator for non-primary axis |
US6211861B1 (en) * | 1998-06-23 | 2001-04-03 | Immersion Corporation | Tactile mouse device |
US6295320B1 (en) * | 1997-12-31 | 2001-09-25 | Lg Electronics Inc. | Inverse discrete cosine transforming system for digital television receiver |
US6184868B1 (en) * | 1998-09-17 | 2001-02-06 | Immersion Corp. | Haptic feedback control devices |
US6707443B2 (en) | 1998-06-23 | 2004-03-16 | Immersion Corporation | Haptic trackball device |
US6429846B2 (en) * | 1998-06-23 | 2002-08-06 | Immersion Corporation | Haptic feedback for touchpads and other touch controls |
US6697043B1 (en) | 1999-12-21 | 2004-02-24 | Immersion Corporation | Haptic interface device and actuator assembly providing linear haptic sensations |
US6243730B1 (en) * | 1999-05-04 | 2001-06-05 | Sony Electronics, Inc. | Methods and systems for performing short integer chen IDCT algorithm with fused multiply/add |
DE20080209U1 (de) * | 1999-09-28 | 2001-08-09 | Immersion Corp | Steuerung von haptischen Empfindungen für Schnittstellenvorrichtungen mit Vibrotaktiler Rückkopplung |
US6822635B2 (en) * | 2000-01-19 | 2004-11-23 | Immersion Corporation | Haptic interface for laptop computers and other portable devices |
US7216140B1 (en) * | 2000-09-30 | 2007-05-08 | Intel Corporation | Efficient implementation of n-point DCT, n-point IDCT, SA-DCT and SA-IDCT algorithms |
FI111592B (fi) * | 2001-09-06 | 2003-08-15 | Oulun Yliopisto | Menetelmä ja laite peräkkäisten kuvien koodaamiseksi |
US8059088B2 (en) * | 2002-12-08 | 2011-11-15 | Immersion Corporation | Methods and systems for providing haptic messaging to handheld communication devices |
US8830161B2 (en) | 2002-12-08 | 2014-09-09 | Immersion Corporation | Methods and systems for providing a virtual touch haptic effect to handheld communication devices |
GB2414319A (en) | 2002-12-08 | 2005-11-23 | Immersion Corp | Methods and systems for providing haptic messaging to handheld communication devices |
US9582178B2 (en) | 2011-11-07 | 2017-02-28 | Immersion Corporation | Systems and methods for multi-pressure interaction on touch-sensitive surfaces |
CN113761464A (zh) * | 2021-08-25 | 2021-12-07 | 安谋科技(中国)有限公司 | 数据处理方法、介质及电子设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03100771A (ja) * | 1989-09-06 | 1991-04-25 | Internatl Business Mach Corp <Ibm> | アレイ処理方法 |
JP2646778B2 (ja) * | 1990-01-17 | 1997-08-27 | 日本電気株式会社 | ディジタル信号処理装置 |
EP0468165A3 (en) * | 1990-07-27 | 1993-06-02 | International Business Machines Corporation | Array processing with fused multiply/add instruction |
TW211610B (de) * | 1991-11-26 | 1993-08-21 | Philips Nv | |
CA2094524A1 (en) * | 1992-07-30 | 1994-01-31 | Ephraim Feig | Digital image processor for color image compression |
JPH06103301A (ja) * | 1992-09-17 | 1994-04-15 | Sony Corp | 8x8離散コサイン変換回路および8x8離散コサイン逆変換回路 |
-
1995
- 1995-10-26 JP JP27894795A patent/JPH08235159A/ja active Pending
- 1995-12-04 EP EP95119072A patent/EP0720104B1/de not_active Expired - Lifetime
- 1995-12-04 DE DE1995627930 patent/DE69527930T2/de not_active Expired - Fee Related
- 1995-12-06 US US08/568,096 patent/US5724278A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08235159A (ja) | 1996-09-13 |
EP0720104A2 (de) | 1996-07-03 |
DE69527930T2 (de) | 2003-04-24 |
EP0720104A3 (de) | 1996-10-30 |
US5724278A (en) | 1998-03-03 |
EP0720104B1 (de) | 2002-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |