TWI245236B - Two-dimensional pyramid filter architecture - Google Patents
Two-dimensional pyramid filter architecture Download PDFInfo
- Publication number
- TWI245236B TWI245236B TW091102917A TW91102917A TWI245236B TW I245236 B TWI245236 B TW I245236B TW 091102917 A TW091102917 A TW 091102917A TW 91102917 A TW91102917 A TW 91102917A TW I245236 B TWI245236 B TW I245236B
- Authority
- TW
- Taiwan
- Prior art keywords
- cone
- dimensional
- output signal
- filter
- order
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims description 23
- 238000005070 sampling Methods 0.000 claims description 21
- 210000000078 claw Anatomy 0.000 claims 1
- 235000015067 sauces Nutrition 0.000 claims 1
- 230000004044 response Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010033557 Palpitations Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0202—Two or more dimensional filters; Filters for complex signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Image Processing (AREA)
- Networks Using Active Elements (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Complex Calculations (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/817,711 US20020174154A1 (en) | 2001-03-26 | 2001-03-26 | Two-dimensional pyramid filter architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWI245236B true TWI245236B (en) | 2005-12-11 |
Family
ID=25223714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091102917A TWI245236B (en) | 2001-03-26 | 2002-02-20 | Two-dimensional pyramid filter architecture |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20020174154A1 (https=) |
| EP (1) | EP1380107B1 (https=) |
| JP (1) | JP2004526250A (https=) |
| KR (1) | KR20040028731A (https=) |
| CN (1) | CN1511373A (https=) |
| AT (1) | ATE287590T1 (https=) |
| DE (1) | DE60202671T2 (https=) |
| TW (1) | TWI245236B (https=) |
| WO (1) | WO2002078182A2 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6636167B1 (en) | 2000-10-31 | 2003-10-21 | Intel Corporation | Method of generating Huffman code length information |
| US6563439B1 (en) | 2000-10-31 | 2003-05-13 | Intel Corporation | Method of performing Huffman decoding |
| US7904841B1 (en) | 2007-10-12 | 2011-03-08 | Lockheed Martin Corporation | Method and system for optimizing digital filters |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674125A (en) * | 1983-06-27 | 1987-06-16 | Rca Corporation | Real-time hierarchal pyramid signal processing apparatus |
| US4703514A (en) * | 1985-09-16 | 1987-10-27 | Rca Corporation | Programmed implementation of real-time multiresolution signal processing apparatus |
| US5359674A (en) * | 1991-12-11 | 1994-10-25 | David Sarnoff Research Center, Inc. | Pyramid processor integrated circuit |
| US6567564B1 (en) * | 1996-04-17 | 2003-05-20 | Sarnoff Corporation | Pipelined pyramid processor for image processing systems |
| US6201613B1 (en) * | 1998-07-22 | 2001-03-13 | Xerox Corporation | Automatic image enhancement of halftone and continuous tone images |
| US6889237B2 (en) * | 2001-03-30 | 2005-05-03 | Intel Corporation | Two-dimensional pyramid filter architecture |
| US20020184276A1 (en) * | 2001-03-30 | 2002-12-05 | Tinku Acharya | Two-dimensional pyramid filter architecture |
-
2001
- 2001-03-26 US US09/817,711 patent/US20020174154A1/en not_active Abandoned
-
2002
- 2002-02-20 TW TW091102917A patent/TWI245236B/zh not_active IP Right Cessation
- 2002-02-28 JP JP2002576299A patent/JP2004526250A/ja not_active Withdrawn
- 2002-02-28 DE DE60202671T patent/DE60202671T2/de not_active Expired - Lifetime
- 2002-02-28 EP EP02707931A patent/EP1380107B1/en not_active Expired - Lifetime
- 2002-02-28 WO PCT/US2002/006224 patent/WO2002078182A2/en not_active Ceased
- 2002-02-28 KR KR10-2003-7012509A patent/KR20040028731A/ko not_active Abandoned
- 2002-02-28 CN CNA028102991A patent/CN1511373A/zh active Pending
- 2002-02-28 AT AT02707931T patent/ATE287590T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US20020174154A1 (en) | 2002-11-21 |
| KR20040028731A (ko) | 2004-04-03 |
| DE60202671D1 (de) | 2005-02-24 |
| EP1380107B1 (en) | 2005-01-19 |
| ATE287590T1 (de) | 2005-02-15 |
| WO2002078182A2 (en) | 2002-10-03 |
| WO2002078182A3 (en) | 2003-06-05 |
| JP2004526250A (ja) | 2004-08-26 |
| EP1380107A2 (en) | 2004-01-14 |
| HK1060945A1 (en) | 2004-08-27 |
| CN1511373A (zh) | 2004-07-07 |
| DE60202671T2 (de) | 2006-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |