GB2303511A - Compensating for backscattered light - Google Patents
Compensating for backscattered light Download PDFInfo
- Publication number
- GB2303511A GB2303511A GB9514834A GB9514834A GB2303511A GB 2303511 A GB2303511 A GB 2303511A GB 9514834 A GB9514834 A GB 9514834A GB 9514834 A GB9514834 A GB 9514834A GB 2303511 A GB2303511 A GB 2303511A
- Authority
- GB
- United Kingdom
- Prior art keywords
- image
- pixel
- brightness
- scene
- images
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
- G06V20/13—Satellite images
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Image Processing (AREA)
- Photoreceptors In Electrophotography (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Glass Compositions (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9514834A GB2303511A (en) | 1995-07-19 | 1995-07-19 | Compensating for backscattered light |
| AT96924053T ATE185637T1 (de) | 1995-07-19 | 1996-07-12 | Bildverbesserung |
| PCT/GB1996/001657 WO1997004417A1 (en) | 1995-07-19 | 1996-07-12 | Image enhancement |
| EP96924053A EP0839361B1 (en) | 1995-07-19 | 1996-07-12 | Image enhancement |
| CA002227321A CA2227321A1 (en) | 1995-07-19 | 1996-07-12 | Image enhancement |
| ES96924053T ES2140110T3 (es) | 1995-07-19 | 1996-07-12 | Mejora de imagenes. |
| JP50639997A JP3898224B2 (ja) | 1995-07-19 | 1996-07-12 | 画像エンハンスメント |
| DK96924053T DK0839361T3 (da) | 1995-07-19 | 1996-07-12 | Billedeforbedring |
| DE69604670T DE69604670T2 (de) | 1995-07-19 | 1996-07-12 | Bildverbesserung |
| AU64638/96A AU6463896A (en) | 1995-07-19 | 1996-07-12 | Image enhancement |
| US08/981,959 US6462768B1 (en) | 1995-07-19 | 1996-07-12 | Image enhancement |
| GR990403265T GR3032179T3 (en) | 1995-07-19 | 1999-12-17 | Image enhancement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9514834A GB2303511A (en) | 1995-07-19 | 1995-07-19 | Compensating for backscattered light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9514834D0 GB9514834D0 (en) | 1995-09-27 |
| GB2303511A true GB2303511A (en) | 1997-02-19 |
Family
ID=10777955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9514834A Withdrawn GB2303511A (en) | 1995-07-19 | 1995-07-19 | Compensating for backscattered light |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6462768B1 (enExample) |
| EP (1) | EP0839361B1 (enExample) |
| JP (1) | JP3898224B2 (enExample) |
| AT (1) | ATE185637T1 (enExample) |
| AU (1) | AU6463896A (enExample) |
| CA (1) | CA2227321A1 (enExample) |
| DE (1) | DE69604670T2 (enExample) |
| DK (1) | DK0839361T3 (enExample) |
| ES (1) | ES2140110T3 (enExample) |
| GB (1) | GB2303511A (enExample) |
| GR (1) | GR3032179T3 (enExample) |
| WO (1) | WO1997004417A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002030100A3 (en) * | 2000-10-06 | 2002-06-13 | Xcounter Ab | Noise reduction in images, by adding a pixel to a region (r), adding surrounding pixel pairs to the region if they fulfil a condition and determine a mean value for the region |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3705102A (en) * | 1997-02-24 | 2002-06-20 | Redflex Traffic Systems Pty Ltd | Digital image processing |
| US6546119B2 (en) | 1998-02-24 | 2003-04-08 | Redflex Traffic Systems | Automated traffic violation monitoring and reporting system |
| US7006569B1 (en) * | 1999-02-05 | 2006-02-28 | Samsung Electronics Co., Ltd. | Digital video processing method and apparatus thereof |
| US6771838B1 (en) * | 2000-10-06 | 2004-08-03 | Hewlett-Packard Development Company, L.P. | System and method for enhancing document images |
| JP3759429B2 (ja) * | 2001-05-23 | 2006-03-22 | 株式会社東芝 | 障害物検出装置及びその方法 |
| DE10160180A1 (de) * | 2001-12-07 | 2003-06-18 | Basf Ag | Verfahren zur Isolierung von Trimethylolpropan aus einem Reaktionsgemisch |
| US7092579B2 (en) * | 2002-05-20 | 2006-08-15 | Eastman Kodak Company | Calculating noise estimates of a digital image using gradient analysis |
| US7268925B1 (en) | 2003-02-24 | 2007-09-11 | Pritest, Inc. | Image sensor optimization |
| DE602004028445D1 (de) * | 2003-02-24 | 2010-09-16 | Pritest Inc | Lichtdurchlässige festmatrix-prüfvorrichtung zur mikroarray-analyse |
| WO2005119178A1 (en) * | 2004-06-02 | 2005-12-15 | Athena Technologies, Inc. | Image-augmented inertial navigation system (iains) and method |
| EP1691546A1 (en) * | 2005-02-11 | 2006-08-16 | Harman Becker Automotive Systems GmbH | Brightness controller and method for adjusting the brightness of a video signal |
| GB0505443D0 (en) * | 2005-03-17 | 2005-04-20 | Dmist Technologies Ltd | Image processing methods |
| US7486835B2 (en) * | 2005-03-17 | 2009-02-03 | Delphi Technologies, Inc. | System and method for enhancing an image |
| JP4694306B2 (ja) * | 2005-08-17 | 2011-06-08 | Hoya株式会社 | 輪郭強調処理ユニット |
| US9563980B2 (en) * | 2005-11-18 | 2017-02-07 | Autodesk, Inc. | Grip manipulatable shadows in 3D models |
| US7711047B2 (en) * | 2005-12-21 | 2010-05-04 | Microsoft Corporation | Determining intensity similarity in low-light conditions using the Poisson-quantization noise model |
| JP2008009877A (ja) | 2006-06-30 | 2008-01-17 | Brother Ind Ltd | 画像処理装置,画像処理方法およびプログラム |
| US7579978B1 (en) * | 2006-07-31 | 2009-08-25 | Rockwell Collins, Inc. | Radar based runway confirmation database acquisition system |
| US20080084924A1 (en) * | 2006-10-05 | 2008-04-10 | Donald Martin Monro | Matching pursuits basis selection design |
| US7974488B2 (en) * | 2006-10-05 | 2011-07-05 | Intellectual Ventures Holding 35 Llc | Matching pursuits basis selection |
| US8059915B2 (en) * | 2006-11-20 | 2011-11-15 | Videosurf, Inc. | Apparatus for and method of robust motion estimation using line averages |
| US8488839B2 (en) * | 2006-11-20 | 2013-07-16 | Videosurf, Inc. | Computer program and apparatus for motion-based object extraction and tracking in video |
| US8379915B2 (en) * | 2006-11-20 | 2013-02-19 | Videosurf, Inc. | Method of performing motion-based object extraction and tracking in video |
| US7920748B2 (en) * | 2007-05-23 | 2011-04-05 | Videosurf, Inc. | Apparatus and software for geometric coarsening and segmenting of still images |
| US8364698B2 (en) * | 2008-07-11 | 2013-01-29 | Videosurf, Inc. | Apparatus and software system for and method of performing a visual-relevance-rank subsequent search |
| US8364660B2 (en) * | 2008-07-11 | 2013-01-29 | Videosurf, Inc. | Apparatus and software system for and method of performing a visual-relevance-rank subsequent search |
| US8396324B2 (en) * | 2008-08-18 | 2013-03-12 | Samsung Techwin Co., Ltd. | Image processing method and apparatus for correcting distortion caused by air particles as in fog |
| US8619071B2 (en) * | 2008-09-16 | 2013-12-31 | Microsoft Corporation | Image view synthesis using a three-dimensional reference model |
| US8290294B2 (en) * | 2008-09-16 | 2012-10-16 | Microsoft Corporation | Dehazing an image using a three-dimensional reference model |
| EP2460354A4 (en) | 2009-07-27 | 2015-11-04 | Utc Fire & Security Corp | SYSTEM AND METHOD FOR IMPROVING VIDEO QUALITY |
| US9508011B2 (en) | 2010-05-10 | 2016-11-29 | Videosurf, Inc. | Video visual and audio query |
| US9383478B2 (en) | 2013-01-25 | 2016-07-05 | The United States Of America, As Represented By The Secretary Of The Navy | System and method for atmospheric parameter enhancement |
| US9299130B2 (en) | 2013-03-15 | 2016-03-29 | Trustees Of Tufts College | Methods and apparatus for image processing and analysis |
| RU2591029C1 (ru) * | 2015-02-13 | 2016-07-10 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Способ получения на летательном аппарате (ла) улучшенного изображения подстилающей поверхности |
| US10354140B2 (en) * | 2017-01-31 | 2019-07-16 | Microsoft Technology Licensing, Llc | Video noise reduction for video augmented reality system |
| US11187909B2 (en) | 2017-01-31 | 2021-11-30 | Microsoft Technology Licensing, Llc | Text rendering by microshifting the display in a head mounted display |
| US10504397B2 (en) | 2017-01-31 | 2019-12-10 | Microsoft Technology Licensing, Llc | Curved narrowband illuminant display for head mounted display |
| US10298840B2 (en) | 2017-01-31 | 2019-05-21 | Microsoft Technology Licensing, Llc | Foveated camera for video augmented reality and head mounted display |
| FR3076425B1 (fr) * | 2017-12-28 | 2020-01-31 | Forssea Robotics | Systeme d'imagerie sous-marine polarisee pour ameliorer la visibilite et la detection d'objet en eau turbide |
| US12482219B2 (en) * | 2023-09-11 | 2025-11-25 | The Boeing Company | Reconstruction of obscured objects in segmentation maps |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596679A (ja) * | 1983-02-02 | 1984-01-13 | Mitsubishi Electric Corp | 撮像装置 |
| JPH0822048B2 (ja) * | 1987-11-27 | 1996-03-04 | 松下電器産業株式会社 | 映像信号処理装置 |
| DE4102579A1 (de) * | 1990-01-30 | 1991-08-01 | Deutsche Forsch Luft Raumfahrt | Verfahren zur kompensation atmosphaerischer einfluesse im solaren bzw. thermalen spektralbereich |
| US5140463A (en) * | 1990-03-08 | 1992-08-18 | Yoo Kwong M | Method and apparatus for improving the signal to noise ratio of an image formed of an object hidden in or behind a semi-opaque random media |
| US5233541A (en) * | 1990-08-10 | 1993-08-03 | Kaman Aerospace Corporation | Automatic target detection process |
| CA2041848C (en) * | 1991-05-06 | 2000-08-01 | Martin Levesque | Method for removing the effects of particulate matter from sequences of images |
| US5719567A (en) * | 1995-05-30 | 1998-02-17 | Victor J. Norris, Jr. | System for enhancing navigation and surveillance in low visibility conditions |
| US5886662A (en) * | 1997-06-18 | 1999-03-23 | Zai Amelex | Method and apparatus for remote measurement of terrestrial biomass |
| US6028624A (en) * | 1997-12-11 | 2000-02-22 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for increased visibility through fog and other aerosols |
| US6195099B1 (en) * | 1998-12-03 | 2001-02-27 | Evans & Sutherland Computer Corporation | Method for time based shadow rendering |
-
1995
- 1995-07-19 GB GB9514834A patent/GB2303511A/en not_active Withdrawn
-
1996
- 1996-07-12 EP EP96924053A patent/EP0839361B1/en not_active Expired - Lifetime
- 1996-07-12 US US08/981,959 patent/US6462768B1/en not_active Expired - Fee Related
- 1996-07-12 DK DK96924053T patent/DK0839361T3/da active
- 1996-07-12 AT AT96924053T patent/ATE185637T1/de not_active IP Right Cessation
- 1996-07-12 CA CA002227321A patent/CA2227321A1/en not_active Abandoned
- 1996-07-12 JP JP50639997A patent/JP3898224B2/ja not_active Expired - Fee Related
- 1996-07-12 AU AU64638/96A patent/AU6463896A/en not_active Abandoned
- 1996-07-12 DE DE69604670T patent/DE69604670T2/de not_active Expired - Lifetime
- 1996-07-12 WO PCT/GB1996/001657 patent/WO1997004417A1/en not_active Ceased
- 1996-07-12 ES ES96924053T patent/ES2140110T3/es not_active Expired - Lifetime
-
1999
- 1999-12-17 GR GR990403265T patent/GR3032179T3/el unknown
Non-Patent Citations (2)
| Title |
|---|
| & Kane, IEE Trans on Geoscience and Remote Sensing, Vol 33, No 1, Jan 1995 * |
| Removal of Terrain Effects from SAR Satellite Imagery of Artic Tundra, Goering, Chen, Hinzman cont. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002030100A3 (en) * | 2000-10-06 | 2002-06-13 | Xcounter Ab | Noise reduction in images, by adding a pixel to a region (r), adding surrounding pixel pairs to the region if they fulfil a condition and determine a mean value for the region |
| US6879732B1 (en) | 2000-10-06 | 2005-04-12 | Xcounter Ab | Noise reduction in images |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69604670D1 (de) | 1999-11-18 |
| EP0839361A1 (en) | 1998-05-06 |
| DE69604670T2 (de) | 2000-06-08 |
| US6462768B1 (en) | 2002-10-08 |
| GB9514834D0 (en) | 1995-09-27 |
| AU6463896A (en) | 1997-02-18 |
| GR3032179T3 (en) | 2000-04-27 |
| ATE185637T1 (de) | 1999-10-15 |
| WO1997004417A1 (en) | 1997-02-06 |
| DK0839361T3 (da) | 2000-04-17 |
| JP3898224B2 (ja) | 2007-03-28 |
| CA2227321A1 (en) | 1997-02-06 |
| EP0839361B1 (en) | 1999-10-13 |
| ES2140110T3 (es) | 2000-02-16 |
| JPH11509657A (ja) | 1999-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |