CA2949105C - Procedes et systemes de suppression de turbulences atmospheriques dans des images - Google Patents
Procedes et systemes de suppression de turbulences atmospheriques dans des images Download PDFInfo
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- CA2949105C CA2949105C CA2949105A CA2949105A CA2949105C CA 2949105 C CA2949105 C CA 2949105C CA 2949105 A CA2949105 A CA 2949105A CA 2949105 A CA2949105 A CA 2949105A CA 2949105 C CA2949105 C CA 2949105C
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/80—Geometric correction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
Abstract
La présente invention concerne diverses techniques pour supprimer des distorsions dans des images, telles que des distorsions causées par des turbulences atmosphériques. Par exemple, des blocs d'image similaires d'une séquence d'images peuvent être identifiés et suivis le long de trajectoires de mouvement pour construire des volumes spatiotemporels. Les trajectoires de mouvement sont lissées pour estimer les positions véritables des blocs d'image sans déplacements aléatoires dus aux distorsions, et les trajectoires lissées sont utilisées pour agréger les blocs d'image dans leurs nouvelles positions estimées afin de reconstruire la séquence d'images avec les déplacements aléatoires supprimés. Le flou qui peut rester à l'intérieur de chaque bloc d'image des volumes spatiotemporels peut être supprimé par modification des volumes spatiotemporels d'une manière collaborative. Par exemple, une transformée de décorrélation peut être appliquée aux volumes spatiotemporels afin de supprimer le flou dans un domaine de transformée, tel que par une opération sur des racines alpha ou d'autres opérations appropriées sur les coefficients des volumes spectraux.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462002731P | 2014-05-23 | 2014-05-23 | |
| US62/002,731 | 2014-05-23 | ||
| US14/720,086 | 2015-05-22 | ||
| PCT/US2015/032302 WO2015179841A1 (fr) | 2014-05-23 | 2015-05-22 | Procédés et systèmes de suppression de turbulences atmosphériques dans des images |
| US14/720,086 US9811884B2 (en) | 2012-07-16 | 2015-05-22 | Methods and systems for suppressing atmospheric turbulence in images |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2949105A1 CA2949105A1 (fr) | 2015-11-26 |
| CA2949105C true CA2949105C (fr) | 2020-03-24 |
Family
ID=53396573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2949105A Active CA2949105C (fr) | 2014-05-23 | 2015-05-22 | Procedes et systemes de suppression de turbulences atmospheriques dans des images |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2949105C (fr) |
| IL (1) | IL248876A0 (fr) |
| WO (1) | WO2015179841A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI702595B (zh) * | 2018-03-30 | 2020-08-21 | 維呈顧問股份有限公司 | 移動噪音源的檢測系統與方法 |
| US10726863B2 (en) | 2015-04-27 | 2020-07-28 | Otocon Inc. | System and method for locating mobile noise source |
-
2015
- 2015-05-22 WO PCT/US2015/032302 patent/WO2015179841A1/fr active Application Filing
- 2015-05-22 CA CA2949105A patent/CA2949105C/fr active Active
-
2016
- 2016-11-09 IL IL248876A patent/IL248876A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2949105A1 (fr) | 2015-11-26 |
| IL248876A0 (en) | 2017-01-31 |
| WO2015179841A1 (fr) | 2015-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20190530 |