Fast compressive Raman bio-imaging via matrix completion
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Otros documentos de la autoría: Soldevila, Fernando; Dong, Jonathan; Tajahuerce, Enrique; Gigan, Sylvain; Barbosa de Aguiar, Hilton
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Título
Fast compressive Raman bio-imaging via matrix completionAutoría
Fecha de publicación
2019Editor
Optical Society of AmericaISSN
2334-2536Cita bibliográfica
SOLDEVILA, Fernando, et al. Fast compressive Raman bio-imaging via matrix completion. Optica, 2019, vol. 6, no 3, p. 341-346.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.osapublishing.org/optica/abstract.cfm?uri=optica-6-3-341&origin=searchVersión
info:eu-repo/semantics/submittedVersionResumen
Raman microscopy is a powerful method combining non-invasiveness with no special sample preparation. Because of
this remarkable simplicity, it has been widely exploited in many fields, ranging from life and materials ... [+]
Raman microscopy is a powerful method combining non-invasiveness with no special sample preparation. Because of
this remarkable simplicity, it has been widely exploited in many fields, ranging from life and materials sciences to
engineering. Notoriously, due to the required imaging speeds for bio-imaging, it has remained a challenge how to use
this technique for dynamic and large-scale imaging. Recently, a supervised compressive Raman framework has been
put forward, allowing for fast imaging, therefore alleviating the issue of speed. Yet, due to the need for strong a priori
information of the species forming the hyperspectrum, it has remained elusive how to apply this supervised method
for microspectroscopy of (dynamic) biological tissues. Combining an original spectral under-sampling measurement
technique with a matrix completion framework for reconstruction, we demonstrate fast and inexpensive label-free
molecular imaging of biological specimens (brain tissues and single cells). Using the matrix completion outcome with
the supervised method allows for large compressions (64 × ) and bio-imaging speeds surpassing current technology in
spontaneous Raman microspectroscopy. Therefore, our results open interesting perspectives for clinical and cell
biology applications using the much faster compressive Raman framework. [-]
Publicado en
Optica, 2019, vol. 6, no 3.Proyecto de investigación
ANR-10-IDEX-0001-02 PSL* ; ANR-10-LABX-0010 ; 724473 ; PREDOC/2013/32 ; PROMETEO/2016/079 ; FIS2016-75618-RDerechos de acceso
2334-2536/19/030341-06 Journal © 2019 Optical Society of America
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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