ArticleScientific reports2019
Extending the depth-of-field of imaging systems with a scattering diffuser.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Fluorescence microscopy through scattering media with robust matrix factorization.Cell reports methods · 2025Article
- A Single-Shot Scattering Medium Imaging Method via Bispectrum Truncation.Sensors (Basel, Switzerland) · 2024Article
- Roadmap on computational methods in optical imaging and holography [invited].Applied physics. B, Lasers and optics · 2024Review
- Annular multi-focal-phase mask multiplexing based large depth of field imaging by interferenceless coded aperture correlation holography.Scientific reports · 2023Article
- Contemporary Whole Slide Imaging Devices and Their Applications within the Modern Pathology Department: A Selected Hardware Review.Journal of pathology informatics · 2021Review
- Correcting anisotropic intensity in light sheet images using dehazing and image morphology.APL bioengineering · 2020Article
- Single-shot depth profiling by spatio-temporal encoding with a multimode fiber.Optics express · 2020Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Large depth of field (DOF) is a longstanding goal in optical imaging field. In this paper we presented a simple but efficient method to extend the DOF of a diffraction-limited imaging system using a thin scattering diffuser. The DOF characteristic of the imaging system with random phase modulation was analyzed based on the analytical model of ambiguity function as a polar display of the optical transfer function (OTF). The results of numerical simulation showed that more high-frequency components existed in the defocused OTF curve when the exit pupil of the imaging system exhibited a random phase modulation. It proved the important role of the scattering diffuser in extending the DOF of imaging systems. For the reconstruction, a stack of point spread functions (PSFs) corresponding to different axial locations within a measurement range were superimposed to construct the stacked PSF. Then the large DOF image was recovered from a speckle pattern by deconvolution. In this proof-of-concept, we experimentally demonstrated the single-shot imaging with larger DOF using a thin glass scattering diffuser in both a single-lens imaging system and a microscopic imaging system.
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Registered trials
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