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Laser Speckle Stereo System in Biomedical Imaging

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dc.contributor.authorSalgueiro, F.
dc.contributor.authorAssunção, P. A.
dc.contributor.authorFonseca-Pinto, Rui
dc.date.accessioned2022-02-14T15:14:04Z
dc.date.available2022-02-14T15:14:04Z
dc.date.issued2020
dc.description.abstractSpeckle is an optical interference phenomenon generated by the reflection of a highly coherent beam of light (e.g., laser) on a rough surface. This phenomenon has been applied in several research areas, aiming at the characterization of static surfaces or the extraction of properties in dynamic processes. In particular, laser speckle has shown huge potential in the identification of high varying perfusion regions in medical images of skin and brain. The acquisition setup in laser speckle is usually composed by a laser source, a magnifying lens, and one video camera. From the obtained sequence of video frames several image descriptors are calculated to characterize the surface under analysis, using information obtained from the scattered patterns. In recent years a new acquisition perspective in laser speckle was proposed by assembling an acquisition setup using two video cameras, thus producing the so called stereo laser speckle. This new approach is challenging regarding acquisition and imaging processing, introducing several variables to be controlled (distance from the camera lens to the surface, direction and width of the reflected beam of light). In this paper, a revision of recent results in stereo laser speckle is presented, highlighting the challenges in acquisition and image processing. Moreover, a new setup is proposed to test the influence of the identified critical variables in stereo laser speckle to be applied in medical imaging contexts.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationF. Salgueiro, P. A. Assunção and R. Fonseca-Pinto, Laser Speckle Stereo System in Biomedical Imaging, 2020 43rd International Convention on Information, Communication and Electronic Technology (MIPRO), 2020, pp. 288-291. https://doi: 10.23919/MIPRO48935.2020.9245131.pt_PT
dc.identifier.doi10.23919/MIPRO48935.2020.9245131pt_PT
dc.identifier.issn2623-8764
dc.identifier.urihttp://hdl.handle.net/10400.8/6667
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIEEEpt_PT
dc.relationUIDB/EEA/50008/2020pt_PT
dc.relationUIDP/EEA/50008/2020pt_PT
dc.relationCenter for Innovative Care and Health Technology
dc.relationCenter for Innovative Care and Health Technology
dc.subjectLaser speckle imagingpt_PT
dc.subjectStereo imagingpt_PT
dc.subjectImage and video processingpt_PT
dc.titleLaser Speckle Stereo System in Biomedical Imagingpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleCenter for Innovative Care and Health Technology
oaire.awardTitleCenter for Innovative Care and Health Technology
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05704%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05704%2F2020/PT
oaire.citation.conferencePlaceOpatija, Croatiapt_PT
oaire.citation.endPage291pt_PT
oaire.citation.startPage288pt_PT
oaire.citation.title2020 43rd International Convention on Information, Communication and Electronic Technology (MIPRO)pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameFonseca-Pinto
person.givenNameRui
person.identifier.ciencia-id681D-C547-B184
person.identifier.orcid0000-0001-6774-5363
person.identifier.ridK-9449-2014
person.identifier.scopus-author-id26039086400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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relation.isAuthorOfPublication.latestForDiscovery7eb9d123-1800-4afd-a2f6-91043353011b
relation.isProjectOfPublicationd421b07d-3471-4026-aa43-def80b8e142b
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