Shaded-Mask Filtering for Extended Depth-of-Field Microscopy
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Shaded-Mask Filtering for Extended Depth-of-Field Microscopy

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Shaded-Mask Filtering for Extended Depth-of-Field Microscopy

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dc.contributor.author Escobar García, Isabel María
dc.contributor.author Saavedra Tortosa, Genaro
dc.contributor.author Martínez Corral, Manuel
dc.contributor.author Calatayud, Arnau
dc.contributor.author Doblas Expósito, Ana Isabel
dc.date.accessioned 2013-12-19T11:50:24Z
dc.date.available 2013-12-19T11:50:24Z
dc.date.issued 2013
dc.identifier.uri http://dx.doi.org/10.6109/jicce.2013.11.2.139
dc.identifier.uri http://hdl.handle.net/10550/32149
dc.description.abstract This paper proposes a new spatial filtering approach for increasing the depth-of-field (DOF) of imaging systems, which is very useful for obtaining sharp images for a wide range of axial positions of the object. Many different techniques have been reported to increase the depth of field. However the main advantage in our method is its simplicity, since we propose the use of purely absorbing beam-shaping elements, which allows a high focal depth with a minimum modification of the optical architecture. In the filter design, we have used the analogy between the axial behavior of a system with spherical aberration and the transverse impulse response of a 1D defocused system. This allowed us the design of a ring-shaded filter. Finally, experimental verification of the theoretical statements is also provided.
dc.relation.ispartof Journal of information and communication convergence engineering, 2013, vol. 11, num. 2, p. 139-146
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Escobar, Isabel Saavedra Tortosa, Genaro Martínez Corral, Manuel Calatayud, Arnau Doblas Expósito, Ana Isabel 2013 Shaded-Mask Filtering for Extended Depth-of-Field Microscopy Journal of information and communication convergence engineering 11 2 139 146
dc.subject Òptica
dc.subject Òptica Aparells i instruments
dc.title Shaded-Mask Filtering for Extended Depth-of-Field Microscopy
dc.type info:eu-repo/semantics/article
dc.date.updated 2013-12-19T11:50:24Z
dc.identifier.doi http://dx.doi.org/10.6109/jicce.2013.11.2.139
dc.identifier.idgrec 092754

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