Speckle reduction in double-pass retinal images using variable-focus lenses Article Swipe
Carlos Guerra
,
Mikel Aldaba
,
M. Arjona
,
Jaume Pujol
·
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.2971/jeos.2015.15001
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.2971/jeos.2015.15001
Speckle arises in double-pass images when coherent light is scattered by the retina. Since this noise degrades the images that are used to characterize the eye, there is special attention in reducing speckle when working with instruments based on retina reflections. In this work, we present a method for speckle reduction in double-pass retinal images by producing minor periodic variations in the vergence of the beam entering the eye with a variable-focus lens during image recording. Measurements in an artificial and a real eye following the implementation of the method corroborate the speckle reduction.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.2971/jeos.2015.15001
- https://www.jeos.org/index.php/jeos_rp/article/download/15001/1310
- OA Status
- gold
- Cited By
- 6
- References
- 21
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2058150588
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2058150588Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.2971/jeos.2015.15001Digital Object Identifier
- Title
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Speckle reduction in double-pass retinal images using variable-focus lensesWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2015Year of publication
- Publication date
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2015-01-01Full publication date if available
- Authors
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Carlos Guerra, Mikel Aldaba, M. Arjona, Jaume PujolList of authors in order
- Landing page
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https://doi.org/10.2971/jeos.2015.15001Publisher landing page
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https://www.jeos.org/index.php/jeos_rp/article/download/15001/1310Direct link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.jeos.org/index.php/jeos_rp/article/download/15001/1310Direct OA link when available
- Concepts
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Speckle pattern, Vergence (optics), Speckle noise, Optics, Focus (optics), Lens (geology), Reduction (mathematics), Computer vision, Computer science, Artificial intelligence, Physics, Mathematics, GeometryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
6Total citation count in OpenAlex
- Citations by year (recent)
-
2022: 1, 2019: 3, 2016: 1, 2015: 1Per-year citation counts (last 5 years)
- References (count)
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21Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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