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dc.contributor.authorHahne, Christopher
dc.contributor.authorAggoun, Amar
dc.contributor.authorHaxha, Shyqyri
dc.contributor.authorVelisavljevic, Vladan
dc.contributor.authorFernández, Juan Carlos Jácome
dc.date.accessioned2017-10-16T10:39:25Z
dc.date.available2017-10-16T10:39:25Z
dc.date.issued2014-10-21
dc.identifier.citationLight field geometry of a standard plenoptic camera 2014, 22 (22):26659 Optics Express
dc.identifier.issn1094-4087
dc.identifier.doi10.1364/OE.22.026659
dc.identifier.urihttp://hdl.handle.net/2436/620772
dc.description.abstractThe Standard Plenoptic Camera (SPC) is an innovation in photography, allowing for acquiring two-dimensional images focused at different depths, from a single exposure. Contrary to conventional cameras, the SPC consists of a micro lens array and a main lens projecting virtual lenses into object space. For the first time, the present research provides an approach to estimate the distance and depth of refocused images extracted from captures obtained by an SPC. Furthermore, estimates for the position and baseline of virtual lenses which correspond to an equivalent camera array are derived. On the basis of paraxial approximation, a ray tracing model employing linear equations has been developed and implemented using Matlab. The optics simulation tool Zemax is utilized for validation purposes. By designing a realistic SPC, experiments demonstrate that a predicted image refocusing distance at 3.5 m deviates by less than 11% from the simulation in Zemax, whereas baseline estimations indicate no significant difference. Applying the proposed methodology will enable an alternative to the traditional depth map acquisition by disparity analysis.
dc.description.sponsorshipEuropean commision
dc.language.isoen
dc.publisherOptical Society of America
dc.relation.urlhttps://www.osapublishing.org/abstract.cfm?URI=oe-22-22-26659
dc.subjectLens system design
dc.subjectphotography
dc.titleLight field geometry of a standard plenoptic camera
dc.typeJournal article
dc.identifier.journalOptics Express
refterms.dateFOA2018-08-21T14:26:45Z
html.description.abstractThe Standard Plenoptic Camera (SPC) is an innovation in photography, allowing for acquiring two-dimensional images focused at different depths, from a single exposure. Contrary to conventional cameras, the SPC consists of a micro lens array and a main lens projecting virtual lenses into object space. For the first time, the present research provides an approach to estimate the distance and depth of refocused images extracted from captures obtained by an SPC. Furthermore, estimates for the position and baseline of virtual lenses which correspond to an equivalent camera array are derived. On the basis of paraxial approximation, a ray tracing model employing linear equations has been developed and implemented using Matlab. The optics simulation tool Zemax is utilized for validation purposes. By designing a realistic SPC, experiments demonstrate that a predicted image refocusing distance at 3.5 m deviates by less than 11% from the simulation in Zemax, whereas baseline estimations indicate no significant difference. Applying the proposed methodology will enable an alternative to the traditional depth map acquisition by disparity analysis.


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