CN1170319A - 查询表映射于存储器运用的改进装置与方法 - Google Patents
查询表映射于存储器运用的改进装置与方法 Download PDFInfo
- Publication number
- CN1170319A CN1170319A CN97101840A CN97101840A CN1170319A CN 1170319 A CN1170319 A CN 1170319A CN 97101840 A CN97101840 A CN 97101840A CN 97101840 A CN97101840 A CN 97101840A CN 1170319 A CN1170319 A CN 1170319A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- order
- map information
- mapping
- input signal
- 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.)
- Granted
Links
- 238000013507 mapping Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006870 function Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000005055 memory storage Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009342 intercropping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/035—Reduction of table size
- G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Image Processing (AREA)
Abstract
Description
传统技术(位) | 新方案(位) | |
m=9,n=8 | 512×8=4096 | 256×9+256×8=4352 |
m=10,n=8 | 1024×8=8192 | 256×10+256×8=4608 |
m=12,n=8 | 4096×8=32768 | 256×12+256×8=5120 |
m=16,n=8 | 64×1024×8=524288 | 256×16+256×8=6144 |
m=16,n=12 | 64×1024×12=786432 | 256×16+4096×12=114688 |
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/671185 | 1996-06-27 | ||
US08/671,185 US5937088A (en) | 1996-06-27 | 1996-06-27 | Apparatus and method for improving memory usage of look-up table mapping |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170319A true CN1170319A (zh) | 1998-01-14 |
CN1074634C CN1074634C (zh) | 2001-11-07 |
Family
ID=24693473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97101840A Expired - Fee Related CN1074634C (zh) | 1996-06-27 | 1997-02-14 | 减少存储器使用量的查询表改进装置和方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5937088A (zh) |
CN (1) | CN1074634C (zh) |
AU (1) | AU691139B2 (zh) |
GB (1) | GB2314718B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6438273B1 (en) * | 1998-12-23 | 2002-08-20 | Xerox Corporation | Method and apparatus for using rotatable templates within look-up tables to enhance image reproduction |
US7085815B2 (en) * | 2001-07-17 | 2006-08-01 | International Business Machines Corporation | Scalable memory management of token state for distributed lock managers |
TWI258146B (en) * | 2001-12-28 | 2006-07-11 | Realtek Semiconductor Corp | Curve lookup table method reducing memory space and data storage method |
JP4062031B2 (ja) * | 2002-09-25 | 2008-03-19 | セイコーエプソン株式会社 | ガンマ補正方法、ガンマ補正装置及び画像読み取りシステム |
US7015839B1 (en) | 2005-01-06 | 2006-03-21 | Realtek Semiconductor Corp. | Mapping method utilizing look-up table and related apparatus |
US20070005850A1 (en) * | 2005-06-29 | 2007-01-04 | Intel Corporation | Port multiplier mapping apparatus, systems, and methods |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4839721A (en) * | 1984-08-28 | 1989-06-13 | Polaroid Corporation | Method of and apparatus for transforming color image data on the basis of an isotropic and uniform colorimetric space |
JPH0743580B2 (ja) * | 1988-09-22 | 1995-05-15 | インターナショナル・ビジネス・マシーンズ・コーポレーション | グレイ・スケールを変換する方法 |
US5216423A (en) * | 1991-04-09 | 1993-06-01 | University Of Central Florida | Method and apparatus for multiple bit encoding and decoding of data through use of tree-based codes |
EP0537322A1 (en) * | 1991-04-18 | 1993-04-21 | Eastman Kodak Company | Secondary quantization of digital image signals for minimum visual distortion |
CA2045908A1 (en) * | 1991-06-28 | 1992-12-29 | Jennifer M. Crawford | Method and apparatus for converting data representations of an image between colour spaces |
US5227789A (en) * | 1991-09-30 | 1993-07-13 | Eastman Kodak Company | Modified huffman encode/decode system with simplified decoding for imaging systems |
FR2681967B1 (fr) * | 1991-10-01 | 1994-11-25 | Electronics For Imaging Inc | Procede et appareil pour modifier les couleurs d'une image a l'aide d'un ordinateur. |
DE19519418A1 (de) * | 1994-06-07 | 1995-12-14 | Eastman Kodak Co | Drucker zum Empfangen und Drucken von Bildern mit niedriger Auflösung und zum Verarbeiten des Bildsignals mit hoher Auflösung |
US5781903A (en) * | 1996-12-31 | 1998-07-14 | Cadence Design Systems, Inc. | System and method for reordering lookup table entries when table address bits are inverted |
-
1996
- 1996-06-27 US US08/671,185 patent/US5937088A/en not_active Expired - Lifetime
-
1997
- 1997-02-04 AU AU12506/97A patent/AU691139B2/en not_active Ceased
- 1997-02-10 GB GB9702645A patent/GB2314718B/en not_active Expired - Fee Related
- 1997-02-14 CN CN97101840A patent/CN1074634C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU1250697A (en) | 1998-01-15 |
GB9702645D0 (en) | 1997-04-02 |
GB2314718A (en) | 1998-01-07 |
CN1074634C (zh) | 2001-11-07 |
GB2314718B (en) | 1998-07-22 |
AU691139B2 (en) | 1998-05-07 |
US5937088A (en) | 1999-08-10 |
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SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: YUDONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIJIE COMPUTER CO., LTD. Effective date: 20051104 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20051104 Address after: Taipei city of Taiwan Province Patentee after: Transpacific IP Pte Ltd. Address before: Hsinchu science and Engineering Industrial Park, Hsinchu County, Taiwan province Rd two Patentee before: Lijie Computer Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: YUXI SCIENCE CO., LTD. Free format text: FORMER OWNER: YUDONG TECHNOLOGY CO., LTD. Effective date: 20090821 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: Delaware Patentee after: Transpacific IP Pte Ltd. Address before: Taipei city of Taiwan Province Patentee before: Transpacific IP Pte Ltd. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011107 Termination date: 20130214 |