JPH10198803A - 濾波方法および濾波装置 - Google Patents
濾波方法および濾波装置Info
- Publication number
- JPH10198803A JPH10198803A JP9348357A JP34835797A JPH10198803A JP H10198803 A JPH10198803 A JP H10198803A JP 9348357 A JP9348357 A JP 9348357A JP 34835797 A JP34835797 A JP 34835797A JP H10198803 A JPH10198803 A JP H10198803A
- Authority
- JP
- Japan
- Prior art keywords
- image
- pixel value
- filter
- luminance
- applying
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012545 processing Methods 0.000 abstract description 6
- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/775,068 US5854859A (en) | 1996-12-27 | 1996-12-27 | Image sharpening filter providing variable sharpening dependent on pixel intensity |
| US775,068 | 1996-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10198803A true JPH10198803A (ja) | 1998-07-31 |
| JPH10198803A5 JPH10198803A5 (https=) | 2005-07-21 |
Family
ID=25103230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9348357A Pending JPH10198803A (ja) | 1996-12-27 | 1997-12-17 | 濾波方法および濾波装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5854859A (https=) |
| EP (1) | EP0851665B1 (https=) |
| JP (1) | JPH10198803A (https=) |
| DE (1) | DE69735877D1 (https=) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001051672A (ja) * | 1999-08-05 | 2001-02-23 | Neucore Technol Inc | 画像処理装置 |
| US6614944B1 (en) | 2000-02-10 | 2003-09-02 | Oak Technology, Inc. | Image enhancement filter with adaptive threshold |
| US7092016B2 (en) | 2001-02-09 | 2006-08-15 | Eastman Kodak Company | Method and system for motion image digital processing |
| US7233705B2 (en) * | 2001-07-24 | 2007-06-19 | Hewlett-Packard Development Company, L.P. | Method and apparatus for reducing inaccuracies when processing color data with a tone map |
| US20030020933A1 (en) * | 2001-07-24 | 2003-01-30 | Youngers Kevin J. | Method and apparatus for reducing inaccuracies when processing color data with a matrix |
| US7545976B2 (en) * | 2002-05-01 | 2009-06-09 | Hewlett-Packard Development Company, L.P. | Method and apparatus for associating image enhancement with color |
| JP3789108B2 (ja) * | 2002-10-09 | 2006-06-21 | キヤノン株式会社 | 画像表示装置 |
| US7570808B2 (en) * | 2003-08-15 | 2009-08-04 | Arcsoft, Inc. | Better picture for inexpensive cameras |
| JP2005141477A (ja) * | 2003-11-06 | 2005-06-02 | Noritsu Koki Co Ltd | 画像鮮鋭化処理方法とこの方法を実施する画像処理装置 |
| US7430336B2 (en) * | 2004-05-06 | 2008-09-30 | Qualcomm Incorporated | Method and apparatus for image enhancement for low bit rate video compression |
| US8872906B2 (en) | 2005-01-05 | 2014-10-28 | Avantis Medical Systems, Inc. | Endoscope assembly with a polarizing filter |
| US8797392B2 (en) | 2005-01-05 | 2014-08-05 | Avantis Medical Sytems, Inc. | Endoscope assembly with a polarizing filter |
| KR100645700B1 (ko) * | 2005-04-28 | 2006-11-14 | 삼성에스디아이 주식회사 | 주사 구동부 및 이를 이용한 발광 표시장치와 그의 구동방법 |
| WO2007087421A2 (en) | 2006-01-23 | 2007-08-02 | Avantis Medical Systems, Inc. | Endoscope |
| US7860334B2 (en) | 2006-02-09 | 2010-12-28 | Qualcomm Incorporated | Adaptive image filter for filtering image information |
| JP2009537283A (ja) | 2006-05-19 | 2009-10-29 | アヴァンティス メディカル システムズ インコーポレイテッド | ビデオアーチファクトの影響を低減するための装置および方法 |
| US8064666B2 (en) | 2007-04-10 | 2011-11-22 | Avantis Medical Systems, Inc. | Method and device for examining or imaging an interior surface of a cavity |
| US8532170B2 (en) * | 2007-08-29 | 2013-09-10 | Harman International Industries, Incorporated | Enhanced presentation of sub-picture information |
| WO2009049324A1 (en) * | 2007-10-11 | 2009-04-16 | Avantis Medical Systems, Inc. | Method and device for reducing the fixed pattern noise of a digital image |
| US8736722B2 (en) | 2010-07-15 | 2014-05-27 | Apple Inc. | Enhanced image capture sharpening |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568977A (en) * | 1983-06-29 | 1986-02-04 | International Business Machines Corporation | On-chip CCD realization of the Laplacian operator for image signal processing |
| JPS63155273A (ja) * | 1986-12-18 | 1988-06-28 | Fujitsu Ltd | 画像処理装置 |
| US5113365A (en) * | 1989-05-16 | 1992-05-12 | Massachusetts Institute Of Technology | Method and charge coupled apparatus for algorithmic computations |
| US5091925A (en) * | 1990-01-18 | 1992-02-25 | Siemens Aktiengesellschaft | X-ray diagnostics installation with spatial frequency filtering |
| NL9100275A (nl) * | 1991-02-18 | 1992-09-16 | Oce Nederland Bv | Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem. |
| EP0531904A3 (en) * | 1991-09-10 | 1993-10-06 | Eastman Kodak Company | Method and apparatus for spatially variant filtering |
-
1996
- 1996-12-27 US US08/775,068 patent/US5854859A/en not_active Expired - Lifetime
-
1997
- 1997-09-10 EP EP97115771A patent/EP0851665B1/en not_active Expired - Lifetime
- 1997-09-10 DE DE69735877T patent/DE69735877D1/de not_active Expired - Lifetime
- 1997-12-17 JP JP9348357A patent/JPH10198803A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0851665A2 (en) | 1998-07-01 |
| EP0851665A3 (en) | 1999-09-08 |
| US5854859A (en) | 1998-12-29 |
| EP0851665B1 (en) | 2006-05-17 |
| DE69735877D1 (de) | 2006-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH10198803A (ja) | 濾波方法および濾波装置 | |
| US7356198B2 (en) | Method and system for calculating a transformed image from a digital image | |
| EP1139284B1 (en) | Method and apparatus for performing local color correction | |
| US6822762B2 (en) | Local color correction | |
| US8559744B2 (en) | Method for processing a digital object and related system | |
| AU713076C (en) | Method of improving a digital image | |
| US7489814B2 (en) | Method of and device for modulating a dynamic range of still and video images | |
| JP2004517384A (ja) | 動的な画像訂正および画像システム | |
| JPH10214339A (ja) | 画像の濾波方法 | |
| JP2002262094A (ja) | 画像処理方法及び画像処理装置 | |
| JP2004147333A (ja) | 選択的空間フィルタを使用するディジタル画像の階調及び空間特性の向上方法 | |
| US7570829B2 (en) | Selection of alternative image processing operations to maintain high image quality | |
| WO2006137361A1 (ja) | 画像処理装置、画像処理方法、画像処理プログラム製品、および撮像装置 | |
| US20060056722A1 (en) | Edge preserving method and apparatus for image processing | |
| JP4290965B2 (ja) | デジタル画像の品質を改善する方法 | |
| JP3729118B2 (ja) | 画像処理方法、画像処理装置、画像処理プログラム、これを記録したコンピュータ読み取り可能な記録媒体 | |
| JP4120928B2 (ja) | 画像処理装置、画像処理方法、およびそのプログラム | |
| JP4019239B2 (ja) | 画像鮮鋭化方法および画像鮮鋭化装置 | |
| JP4032200B2 (ja) | 画像データ補間方法、画像データ補間装置および画像データ補間プログラムを記録したコンピュータ読み取り可能な記録媒体 | |
| JPH01277061A (ja) | 画像処理装置 | |
| KR102744159B1 (ko) | 디지털 이미지 내의 색수차를 억제하는 장치 및 방법 | |
| JPH04352936A (ja) | 画像処理方法及びこれを用いたシステム | |
| JPH0484930A (ja) | シェーディング画像補正方法及び補正装置 | |
| Singh et al. | Image Enhancement Using Nonlinear Techniques | |
| JP2003069896A (ja) | フレア補正方法とこの方法を用いるカメラ並びに前記フレア補正方法のプログラムおよびこれを記録した媒体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20041018 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20041029 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041202 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20041202 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070821 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071109 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080219 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080805 |