DE3520405C2 - - Google Patents
Info
- Publication number
- DE3520405C2 DE3520405C2 DE3520405A DE3520405A DE3520405C2 DE 3520405 C2 DE3520405 C2 DE 3520405C2 DE 3520405 A DE3520405 A DE 3520405A DE 3520405 A DE3520405 A DE 3520405A DE 3520405 C2 DE3520405 C2 DE 3520405C2
- Authority
- DE
- Germany
- Prior art keywords
- value
- window
- pixel
- image
- values
- 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
- 238000012937 correction Methods 0.000 claims description 34
- 230000015654 memory Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 150000001485 argon Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 230000004044 response 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
- H04N1/4092—Edge or detail enhancement
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59118647A JPS60263579A (ja) | 1984-06-09 | 1984-06-09 | 画像信号補正方法 |
| JP59118646A JPH0748797B2 (ja) | 1984-06-09 | 1984-06-09 | 画像信号補正方法 |
| JP59118644A JPH0748796B2 (ja) | 1984-06-09 | 1984-06-09 | 画像信号補正方法 |
| JP59118645A JPS60263577A (ja) | 1984-06-09 | 1984-06-09 | 画像信号補正方法 |
| JP59118648A JPS60263580A (ja) | 1984-06-09 | 1984-06-09 | 画像信号補正方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3520405A1 DE3520405A1 (de) | 1985-12-12 |
| DE3520405C2 true DE3520405C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-27 |
Family
ID=27526809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853520405 Granted DE3520405A1 (de) | 1984-06-09 | 1985-06-07 | Verfahren zur bearbeitung von bildsignalen |
Country Status (3)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876610A (en) * | 1986-12-25 | 1989-10-24 | Canon Kabushiki Kaisha | Image processing apparatus with binarization-error dispersal |
| DE3708795C2 (de) * | 1987-03-18 | 1995-08-03 | Gsf Forschungszentrum Umwelt | Verfahren zur Größenselektion in Videoechtzeit |
| US4903147A (en) * | 1987-07-08 | 1990-02-20 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for processing an image |
| US4855943A (en) * | 1987-07-24 | 1989-08-08 | Eastman Kodak Company | Method and apparatus for deaveraging a stream of averaged data |
| CA1316591C (en) * | 1987-10-20 | 1993-04-20 | Kazuhiro Hishinuma | Method and apparatus for radiation image processing and x-ray image processing |
| US4783840A (en) * | 1987-12-04 | 1988-11-08 | Polaroid Corporation | Method for enhancing image data by noise reduction or sharpening |
| US4910693A (en) * | 1987-12-29 | 1990-03-20 | Hughes Aircraft Company | Method and apparatus for sampling lattice pattern generation and processing |
| US5113456A (en) * | 1988-03-04 | 1992-05-12 | Fuji Photo Film Co., Ltd. | Method of and apparatus for recording image |
| US4941190A (en) * | 1988-07-15 | 1990-07-10 | Minnesota Mining And Manufacturing Company | Method and system for enhancement of a digitized image |
| US5003613A (en) * | 1988-12-21 | 1991-03-26 | Recognition Equipment Incorporated | Document processing system and method |
| US5003618A (en) * | 1989-07-14 | 1991-03-26 | University Of Pittsburgh Of The Commonwealth System Of Higher Education | Automatic adaptive anisotropic digital filtering and biasing of digitized images |
| DE4005174A1 (de) * | 1990-02-19 | 1991-08-22 | Agfa Gevaert Ag | Verfahren und vorrichtung zur punktweisen erfassung einer vorlage zur punktweisen bildverarbeitung und zur punktweisen aufbelichtung |
| US5251270A (en) * | 1990-08-30 | 1993-10-05 | Fuji Xerox Co., Ltd. | Matrix calculating circuit |
| US5379065A (en) * | 1992-06-22 | 1995-01-03 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Programmable hyperspectral image mapper with on-array processing |
| US5524070A (en) * | 1992-10-07 | 1996-06-04 | The Research Foundation Of State University Of New York | Local adaptive contrast enhancement |
| JP2526532B2 (ja) * | 1992-10-14 | 1996-08-21 | 日本プレシジョン・サーキッツ株式会社 | 画像処理用デジタルフィルタ |
| KR100206319B1 (ko) * | 1995-12-13 | 1999-07-01 | 윤종용 | 비디오 신호의 로컬 콘트라스트 개선을 위한 방법및장치 |
| US5915035A (en) * | 1997-01-27 | 1999-06-22 | Aetex Biometric Corporation | Method for extracting high-level features for fingerprint recognition |
| JPH10274819A (ja) * | 1997-03-31 | 1998-10-13 | Fuji Photo Film Co Ltd | 感光材料の走査露光方法及び感光材料の露光装置 |
| US6195467B1 (en) | 1999-03-25 | 2001-02-27 | Image Processing Technologies, Inc. | Method and apparatus for sharpening a grayscale image |
| GB0124126D0 (en) * | 2001-10-08 | 2001-11-28 | Eschmann Holdings Ltd | Surgical tables |
| CN100550981C (zh) * | 2006-11-06 | 2009-10-14 | 广达电脑股份有限公司 | 影像处理装置及方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1369702A (en) * | 1972-01-05 | 1974-10-09 | Crosfield Electronics Ltd | Image reproducing methods and apparatus |
| JPS547536B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-11-09 | 1979-04-07 | ||
| JPS568140A (en) * | 1979-07-02 | 1981-01-27 | Dainippon Screen Mfg Co Ltd | Emphasizing method of sharpness in image scanning and recording apparatus |
| US4464788A (en) * | 1979-09-10 | 1984-08-07 | Environmental Research Institute Of Michigan | Dynamic data correction generator for an image analyzer system |
| US4389677A (en) * | 1980-12-08 | 1983-06-21 | Ncr Canada Ltd - Ncr Canada Ltee | Method and apparatus for removing erroneous elements from digital images |
| US4398256A (en) * | 1981-03-16 | 1983-08-09 | Hughes Aircraft Company | Image processing architecture |
| DE3114275A1 (de) * | 1981-04-09 | 1982-11-04 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen videosignal |
| JPS57178486A (en) * | 1981-04-25 | 1982-11-02 | Nippon Kogaku Kk <Nikon> | Smoothing device for binary image signal |
| US4396938A (en) * | 1981-07-23 | 1983-08-02 | Rca Corporation | Controlled ram signal processor |
| JPS58150376A (ja) * | 1982-03-02 | 1983-09-07 | Sony Corp | ビデオ信号処理装置 |
| US4499598A (en) * | 1982-07-02 | 1985-02-12 | Conoco Inc. | Edge and line detection in multidimensional noisey, imagery data |
| JPS59141871A (ja) * | 1983-02-02 | 1984-08-14 | Dainippon Screen Mfg Co Ltd | 画像走査記録時における鮮鋭度強調方法 |
| JPS60253368A (ja) * | 1983-11-10 | 1985-12-14 | Dainippon Screen Mfg Co Ltd | 複製画像記録表示等に於けるｊａｇ除去方法 |
-
1985
- 1985-06-07 DE DE19853520405 patent/DE3520405A1/de active Granted
- 1985-06-07 GB GB08514411A patent/GB2160065B/en not_active Expired
- 1985-06-10 US US06/743,207 patent/US4724544A/en not_active Expired - Lifetime
-
1987
- 1987-08-14 GB GB08719311A patent/GB2192112B/en not_active Expired
- 1987-08-14 GB GB08719313A patent/GB2192114B/en not_active Expired
- 1987-08-14 GB GB08719312A patent/GB2192113B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB8514411D0 (en) | 1985-07-10 |
| GB2160065A (en) | 1985-12-11 |
| GB2192113A (en) | 1987-12-31 |
| GB2192113B (en) | 1988-11-09 |
| GB2192112A (en) | 1987-12-31 |
| GB2192114B (en) | 1988-11-09 |
| GB8719311D0 (en) | 1987-09-23 |
| GB2192112B (en) | 1988-11-09 |
| GB8719313D0 (en) | 1987-09-23 |
| GB2192114A (en) | 1987-12-31 |
| GB8719312D0 (en) | 1987-09-23 |
| DE3520405A1 (de) | 1985-12-12 |
| US4724544A (en) | 1988-02-09 |
| GB2160065B (en) | 1988-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: KUHNEN, R., DIPL.-ING. WACKER, P., DIPL.-ING. DIPL |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |