Computational imaging with a balanced detector
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Otros documentos de la autoría: Soldevila, Fernando; Clemente Pesudo, Pedro Javier; Tajahuerce, Enrique; Uribe-Patarroyo, N.; Andrés, Pedro; Lancis, Jesús
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Título
Computational imaging with a balanced detectorAutoría
Fecha de publicación
2016-06-29Editor
Nature PublishingISSN
2045-2322Cita bibliográfica
SOLDEVILA, F., et al. Computational imaging with a balanced detector. Scientific Reports, 2016, vol. 6, p. 29181Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.nature.com/articles/srep29181Versión
info:eu-repo/semantics/publishedVersionResumen
Single-pixel cameras allow to obtain images in a wide range of challenging scenarios, including broad regions of the electromagnetic spectrum and through scattering media. However, there still exist several drawbacks ... [+]
Single-pixel cameras allow to obtain images in a wide range of challenging scenarios, including broad regions of the electromagnetic spectrum and through scattering media. However, there still exist several drawbacks that single-pixel architectures must address, such as acquisition speed and imaging in the presence of ambient light. In this work we introduce balanced detection in combination with simultaneous complementary illumination in a single-pixel camera. This approach enables to acquire information even when the power of the parasite signal is higher than the signal itself. Furthermore, this novel detection scheme increases both the frame rate and the signal-to-noise ratio of the system. By means of a fast digital micromirror device together with a low numerical aperture collecting system, we are able to produce a live-feed video with a resolution of 64 × 64 pixels at 5 Hz. With advanced undersampling techniques, such as compressive sensing, we can acquire information at rates of 25 Hz. By using this strategy, we foresee real-time biological imaging with large area detectors in conditions where array sensors are unable to operate properly, such as infrared imaging and dealing with objects embedded in turbid media. [-]
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Scientific Reports, 2016, vol. 6Derechos de acceso
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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