DE3472050D1 - Image processing method base on processing of interrelated image gradients - Google Patents
Image processing method base on processing of interrelated image gradientsInfo
- Publication number
- DE3472050D1 DE3472050D1 DE8484903031T DE3472050T DE3472050D1 DE 3472050 D1 DE3472050 D1 DE 3472050D1 DE 8484903031 T DE8484903031 T DE 8484903031T DE 3472050 T DE3472050 T DE 3472050T DE 3472050 D1 DE3472050 D1 DE 3472050D1
- Authority
- DE
- Germany
- Prior art keywords
- image
- processing
- interrelated
- method base
- gradients
- 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
Links
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/522,286 US4561022A (en) | 1983-08-11 | 1983-08-11 | Image processing method based on processing of interrelated image gradients |
PCT/US1984/001210 WO1985000949A1 (en) | 1983-08-11 | 1984-08-01 | Image processing method base on processing of interrelated image gradients |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3472050D1 true DE3472050D1 (en) | 1988-07-14 |
Family
ID=24080256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484903031T Expired DE3472050D1 (en) | 1983-08-11 | 1984-08-01 | Image processing method base on processing of interrelated image gradients |
Country Status (5)
Country | Link |
---|---|
US (1) | US4561022A (de) |
EP (1) | EP0152434B1 (de) |
JP (1) | JPS60502034A (de) |
DE (1) | DE3472050D1 (de) |
WO (1) | WO1985000949A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59103648A (ja) * | 1982-12-06 | 1984-06-15 | 株式会社東芝 | X線撮像装置 |
IL70213A (en) * | 1983-11-13 | 1988-02-29 | Paul Fenster | Digital fluorographic image enhancement system |
US4771470A (en) * | 1985-11-14 | 1988-09-13 | University Of Florida | Noise reduction method and apparatus for medical ultrasound |
JPH0771296B2 (ja) * | 1989-03-20 | 1995-07-31 | 松下電器産業株式会社 | 動きベクトル検出装置 |
US5357581A (en) * | 1991-11-01 | 1994-10-18 | Eastman Kodak Company | Method and apparatus for the selective filtering of dot-matrix printed characters so as to improve optical character recognition |
EP0539854B1 (de) * | 1991-11-01 | 1999-03-17 | Eastman Kodak Company | Verfahren und Gerät zur Detektion von Text in Punktmatrixdruck zur Verbesserung von optischer Zeichenerkennung |
JPH05304622A (ja) * | 1992-04-24 | 1993-11-16 | Toshiba Corp | ノイズ検出装置及びノイズリダクション装置 |
US5343309A (en) * | 1992-08-12 | 1994-08-30 | Xerox Corporation | Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure |
JP3547481B2 (ja) * | 1994-04-19 | 2004-07-28 | 松下電器産業株式会社 | 映像信号処理方法および映像信号処理装置 |
US5818972A (en) * | 1995-06-07 | 1998-10-06 | Realnetworks, Inc. | Method and apparatus for enhancing images using helper signals |
US5777689A (en) * | 1996-04-10 | 1998-07-07 | Tektronix, Inc. | Method and apparatus for video signal sharpening |
US6055340A (en) * | 1997-02-28 | 2000-04-25 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness |
US6453074B1 (en) * | 1997-03-31 | 2002-09-17 | Canon Kabushiki Kaisha | System for image decimation including selective filtering |
US6229578B1 (en) * | 1997-12-08 | 2001-05-08 | Intel Corporation | Edge-detection based noise removal algorithm |
US6233364B1 (en) * | 1998-09-18 | 2001-05-15 | Dainippon Screen Engineering Of America Incorporated | Method and system for detecting and tagging dust and scratches in a digital image |
US7177481B2 (en) * | 2000-12-19 | 2007-02-13 | Konica Corporation | Multiresolution unsharp image processing apparatus |
US7051937B2 (en) * | 2002-03-22 | 2006-05-30 | Lockheed Martin Corporation | System and method for fast binarization of bar codes in the presence of noise |
US7394856B2 (en) * | 2003-09-19 | 2008-07-01 | Seiko Epson Corporation | Adaptive video prefilter |
KR100587143B1 (ko) * | 2004-05-06 | 2006-06-08 | 매그나칩 반도체 유한회사 | 영상 신호의 에지 검출 방법 |
KR101108435B1 (ko) * | 2005-05-31 | 2012-02-16 | 서강대학교산학협력단 | 의사윤곽 제거 방법 및 이 방법이 적용되는 디스플레이장치 |
JP2008015741A (ja) * | 2006-07-05 | 2008-01-24 | Konica Minolta Holdings Inc | 画像処理装置、画像処理方法及びこれを用いた撮像装置 |
JP4766118B2 (ja) * | 2007-02-02 | 2011-09-07 | 株式会社ニコン | 画像処理方法 |
US7653258B2 (en) * | 2007-04-17 | 2010-01-26 | Saudi Arabian Oil Company | Enhanced isotropic 2D and 3D gradient method |
US8120211B2 (en) * | 2009-11-11 | 2012-02-21 | Li-Chun Lai | Timing-device equipped energy-saving socket |
DE102013000301A1 (de) * | 2013-01-10 | 2014-07-10 | Basler Ag | Verfahren und Vorrichtung zur Erzeugung eines verbesserten Farbbildes mit einem Sensor mit Farbfilter |
TW201510934A (zh) * | 2013-09-13 | 2015-03-16 | Novatek Microelectronics Corp | 影像銳化方法與影像處理裝置 |
US10032402B2 (en) * | 2014-07-23 | 2018-07-24 | Texas Instruments Incorporated | Power and brightness management of solid-state displays |
JPWO2016208318A1 (ja) * | 2015-06-24 | 2018-04-19 | コニカミノルタ株式会社 | 距離画像処理装置、距離画像処理方法、距離画像処理プログラムおよび記録媒体 |
US11107206B2 (en) * | 2017-10-17 | 2021-08-31 | Netflix, Inc. | Techniques for detecting spatial anomalies in video content |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE76380C (de) * | J. F. PARSONS in Bristol, Siddington House, Kingsdown Parade | Verfahren und Vorrichtung zum Wechseln von Platten oder Films in Magazin-Cameras | ||
GB1277013A (en) * | 1968-05-01 | 1972-06-07 | Image Analysing Computers Ltd | Improvements in or relating to detection devices for scanning systems |
US4055756A (en) * | 1975-02-03 | 1977-10-25 | Societe Anonyme De Telecommunications | Image coder-decoder using a matrix transform with weighted contribution of several points of the image to the formation of one point of the transform |
GB1557173A (en) * | 1976-08-02 | 1979-12-05 | Kodak Ltd | Image processing circuitry |
DE2966353D1 (en) * | 1978-09-28 | 1983-12-01 | Kodak Ltd | Electronic image enhancement |
US4231065A (en) * | 1979-01-11 | 1980-10-28 | Honeywell Inc. | Local area contrast enhancement device |
US4220972A (en) * | 1979-05-22 | 1980-09-02 | Honeywell Inc. | Low contrast object extraction device |
US4463381A (en) * | 1980-04-16 | 1984-07-31 | Eastman Kodak Company | Image processing apparatus including a partitioned low pass channel |
WO1981003097A1 (en) * | 1980-04-16 | 1981-10-29 | Kodak Ltd | Electronic image processing |
US4334244A (en) * | 1980-07-28 | 1982-06-08 | Magnavox Government And Industrial Electronics Company | Adaptive image enhancement system |
US4446484A (en) * | 1981-04-16 | 1984-05-01 | Eastman Kodak Company | Image gradient detectors operating in a partitioned low-pass channel |
DE3139483C2 (de) * | 1981-10-03 | 1985-06-13 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Schaltungsanordnung zur Kontraststeigerung |
-
1983
- 1983-08-11 US US06/522,286 patent/US4561022A/en not_active Expired - Lifetime
-
1984
- 1984-08-01 WO PCT/US1984/001210 patent/WO1985000949A1/en active IP Right Grant
- 1984-08-01 DE DE8484903031T patent/DE3472050D1/de not_active Expired
- 1984-08-01 EP EP84903031A patent/EP0152434B1/de not_active Expired
- 1984-08-01 JP JP59503015A patent/JPS60502034A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0152434A1 (de) | 1985-08-28 |
WO1985000949A1 (en) | 1985-02-28 |
EP0152434B1 (de) | 1988-06-08 |
JPS60502034A (ja) | 1985-11-21 |
US4561022A (en) | 1985-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3472050D1 (en) | Image processing method base on processing of interrelated image gradients | |
DE3473776D1 (en) | Etching method and apparatus | |
GB2127647B (en) | Image processing method | |
DE3473648D1 (en) | Weighing apparatus and method | |
EP0295105A3 (en) | Image processing method and apparatus therefor | |
GB2180948B (en) | An image forming method | |
GB2160126B (en) | Developing method and apparatus | |
EP0124789A3 (en) | Method of identifying objects | |
HK12494A (en) | Developing method and apparatus | |
EP0266579A3 (en) | An electrostatographic method of making images | |
EP0223601A3 (en) | Image processing method | |
EP0251278A3 (en) | Image processing method and apparatus therefor | |
GB8614214D0 (en) | Image processing method | |
GB2192113B (en) | Method of processing an image signal | |
EP0265387A3 (en) | Method of forming images | |
GB2159364B (en) | Image signal processing method | |
GB8819198D0 (en) | Method of taking pictures of quick-moving object | |
DE3377642D1 (en) | Method of removing scale | |
GB8909578D0 (en) | Method of photographic processing | |
DE3478769D1 (en) | An improved method of character recognitionand apparatus therefor | |
DE3380085D1 (en) | Method and circuit for determining the direction of contours in a picture | |
GB2190214B (en) | Method of forming an image on photosensitive material | |
DE3279585D1 (en) | Method of processing through-holes | |
EP0226795A3 (en) | Image processing method | |
GB2184879B (en) | Method of processing image |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |