KR100550676B1 - 2-차원 피라미드 필터 구조 - Google Patents
2-차원 피라미드 필터 구조 Download PDFInfo
- Publication number
- KR100550676B1 KR100550676B1 KR1020037014161A KR20037014161A KR100550676B1 KR 100550676 B1 KR100550676 B1 KR 100550676B1 KR 1020037014161 A KR1020037014161 A KR 1020037014161A KR 20037014161 A KR20037014161 A KR 20037014161A KR 100550676 B1 KR100550676 B1 KR 100550676B1
- Authority
- KR
- South Korea
- Prior art keywords
- pyramid
- output signal
- dimensional
- order
- dimensional pyramid
- 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
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Networks Using Active Elements (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Facsimile Image Signal Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/846,609 | 2001-04-30 | ||
| US09/846,609 US6725247B2 (en) | 2001-04-30 | 2001-04-30 | Two-dimensional pyramid filter architecture |
| PCT/US2002/011753 WO2002089061A2 (en) | 2001-04-30 | 2002-04-12 | Two-dimensional pyramid filter architecture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040015207A KR20040015207A (ko) | 2004-02-18 |
| KR100550676B1 true KR100550676B1 (ko) | 2006-02-08 |
Family
ID=25298410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020037014161A Expired - Lifetime KR100550676B1 (ko) | 2001-04-30 | 2002-04-12 | 2-차원 피라미드 필터 구조 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6725247B2 (https=) |
| EP (1) | EP1396081B1 (https=) |
| JP (1) | JP4102198B2 (https=) |
| KR (1) | KR100550676B1 (https=) |
| CN (1) | CN1505866A (https=) |
| AT (1) | ATE298471T1 (https=) |
| AU (1) | AU2002256213A1 (https=) |
| DE (1) | DE60204778T2 (https=) |
| TW (1) | TW556120B (https=) |
| WO (1) | WO2002089061A2 (https=) |
Families Citing this family (9)
| 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 |
| US6725247B2 (en) * | 2001-04-30 | 2004-04-20 | Intel Corporation | Two-dimensional pyramid filter architecture |
| US7433084B2 (en) * | 2002-07-01 | 2008-10-07 | Xerox Corporation | Digital de-screening technique for scanned documents |
| US7366746B2 (en) * | 2004-02-12 | 2008-04-29 | Xerox Corporation | Finite impulse response filter method and apparatus |
| US7904841B1 (en) | 2007-10-12 | 2011-03-08 | Lockheed Martin Corporation | Method and system for optimizing digital filters |
| JP5620829B2 (ja) * | 2011-01-11 | 2014-11-05 | キヤノン株式会社 | データ処理装置および画像処理装置、並びに、それらの方法 |
| US8737759B2 (en) * | 2011-07-01 | 2014-05-27 | Intel Corporation | Image blurring by partitioning a non-separable fir filter |
| US9626749B2 (en) | 2014-12-10 | 2017-04-18 | Intel Corporation | Sub-pixel modification of digital images by locally shifting to an arbitrarily dense supergrid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359674A (en) | 1991-12-11 | 1994-10-25 | David Sarnoff Research Center, Inc. | Pyramid processor integrated circuit |
| US5963675A (en) * | 1996-04-17 | 1999-10-05 | Sarnoff Corporation | Pipelined pyramid processor for image processing systems |
| US6018597A (en) * | 1997-03-21 | 2000-01-25 | Intermec Ip Corporation | Method and apparatus for changing or mapping video or digital images from one image density to another |
| US6725247B2 (en) * | 2001-04-30 | 2004-04-20 | Intel Corporation | Two-dimensional pyramid filter architecture |
-
2001
- 2001-04-30 US US09/846,609 patent/US6725247B2/en not_active Expired - Fee Related
-
2002
- 2002-03-12 TW TW091104602A patent/TW556120B/zh not_active IP Right Cessation
- 2002-04-12 KR KR1020037014161A patent/KR100550676B1/ko not_active Expired - Lifetime
- 2002-04-12 CN CNA028091191A patent/CN1505866A/zh active Pending
- 2002-04-12 EP EP02725662A patent/EP1396081B1/en not_active Expired - Lifetime
- 2002-04-12 DE DE60204778T patent/DE60204778T2/de not_active Expired - Lifetime
- 2002-04-12 AT AT02725662T patent/ATE298471T1/de not_active IP Right Cessation
- 2002-04-12 WO PCT/US2002/011753 patent/WO2002089061A2/en not_active Ceased
- 2002-04-12 AU AU2002256213A patent/AU2002256213A1/en not_active Abandoned
- 2002-04-12 JP JP2002586286A patent/JP4102198B2/ja not_active Expired - Lifetime
-
2004
- 2004-02-04 US US10/772,630 patent/US20040158594A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| TW556120B (en) | 2003-10-01 |
| JP4102198B2 (ja) | 2008-06-18 |
| DE60204778T2 (de) | 2006-05-18 |
| AU2002256213A1 (en) | 2002-11-11 |
| ATE298471T1 (de) | 2005-07-15 |
| DE60204778D1 (de) | 2005-07-28 |
| WO2002089061A3 (en) | 2003-10-30 |
| CN1505866A (zh) | 2004-06-16 |
| KR20040015207A (ko) | 2004-02-18 |
| US6725247B2 (en) | 2004-04-20 |
| EP1396081B1 (en) | 2005-06-22 |
| JP2005505027A (ja) | 2005-02-17 |
| EP1396081A2 (en) | 2004-03-10 |
| WO2002089061A2 (en) | 2002-11-07 |
| US20020194234A1 (en) | 2002-12-19 |
| US20040158594A1 (en) | 2004-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100550676B1 (ko) | 2-차원 피라미드 필터 구조 | |
| KR100545015B1 (ko) | 2-차원 피라미드 필터 구조 | |
| KR20040007483A (ko) | 2-차원 피라미드 필터 구조 | |
| EP1415277B1 (en) | Pyramid filter | |
| Paek et al. | 2D DWT VLSI architecture for wavelet image processing | |
| US6662200B2 (en) | Multiplierless pyramid filter | |
| KR20040028731A (ko) | 2-차원 피라미드 필터 구조 | |
| US20020141654A1 (en) | Providing multiple symmetrical filters | |
| HK1060944B (en) | Two-dimensional pyramid filter architecture | |
| HK1061734B (en) | Two-dimensional pyramid filter architecture | |
| HK1060945B (en) | Two-dimensional pyramid filter architecture | |
| HK1058094B (en) | Multiplierless pyramid filter | |
| HK1061735B (en) | Pyramid filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20031029 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050726 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20060112 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20060202 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
Payment date: 20060203 End annual number: 3 Start annual number: 1 |
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