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11 November 2017 Lensless imaging through multiple phase patterns illumination
Anwar Hussain, Yicheng Li, Diyi Liu, Cuifang Kuang, Liu Xu
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Journal of Biomedical Optics, Vol. 22, Issue 11, 110502 (November 2017). https://doi.org/10.1117/1.JBO.22.11.110502
Abstract
A stable optical system is required to acquire a high-quality image. A motionless lensless setup is designated to obtain high-resolution and large field of view images. The sample is sequentially illuminated with multiple random phase patterns, and the recorded images are subtracted from the system calibration images correspondingly. The resultant images are propagated to the sample plane. The summation of all images yields a final image with resolution of ∼4  μm, field of view of ∼15  mm2, and better signal-to-noise ratio. This technique provides a compact, stable, and cost-effective optical system.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) 1083-3668/2017/$25.00 © 2017 SPIE
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Anwar Hussain, Yicheng Li, Diyi Liu, Cuifang Kuang, and Liu Xu "Lensless imaging through multiple phase patterns illumination," Journal of Biomedical Optics 22(11), 110502 (11 November 2017). https://doi.org/10.1117/1.JBO.22.11.110502
Received: 17 August 2017; Accepted: 26 October 2017; Published: 11 November 2017
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Cited by 5 scholarly publications.
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KEYWORDS
Sensors
Image sensors
Image processing
Signal to noise ratio
Image resolution
Imaging systems
Microscopy
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