Journal ArticleDOI
Incoherent Fourier ptychographic photography using structured light
TLDR
An incoherent photographic imaging approach, termed Fourier ptychographic photography, that uses nonuniform structured light for super-resolution imaging that may find applications in photographic imaging settings, remote sensing, and imaging radar.Abstract:
Controlling photographic illumination in a structured fashion is a common practice in computational photography and image-based rendering Here we introduce an incoherent photographic imaging approach, termed Fourier ptychographic photography, that uses nonuniform structured light for super-resolution imaging In this approach, frequency mixing between the object and the structured light shifts the high-frequency object information to the passband of the photographic lens Therefore, the recorded intensity images contain object information that is beyond the cutoff frequency of the collection optics Based on multiple images acquired under different structured light patterns, we used the Fourier ptychographic algorithm to recover the super-resolution object image and the unknown illumination pattern We demonstrated the reported approach by imaging various objects, including a resolution target, a quick response code, a dollar bill, an insect, and a color leaf The reported approach may find applications in photographic imaging settings, remote sensing, and imaging radar It may also provide new insights for high-resolution imaging by shifting the focus from the collection optics to the generation of structured lightread more
Citations
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Journal ArticleDOI
Optimization of sampling pattern and the design of Fourier ptychographic illuminator.
TL;DR: An illuminator is designed and built using LEDs mounted on a 3D-printed plastic case and it reduces the number of image acquisitions by at least 50% and departs from the translational symmetry of sampling to solve the raster grid artifact problem.
Journal ArticleDOI
Fourier ptychography: current applications and future promises
Pavan Chandra Konda,Lars Loetgering,Kevin C. Zhou,Shiqi Xu,Andrew R. Harvey,Roarke Horstmeyer +5 more
TL;DR: This review presents details about a relatively new procedure termed Fourier ptychography (FP), which addresses the above trade-off to produce gigapixel-scale images without requiring any moving parts.
Journal ArticleDOI
Concept, implementations and applications of Fourier ptychography
TL;DR: Fourier ptychography (FP) as mentioned in this paper is an imaging approach that addresses the intrinsic trade-off between resolution and field of view in optical systems and provides computational correction of optical aberrations.
Journal ArticleDOI
Fourier Ptychography for Brightfield, Phase, Darkfield, Reflective, Multi-Slice, and Fluorescence Imaging
TL;DR: Different implementations of Fourier ptychography are discussed including LED-array illumination, liquid-crystal-display modulation, aperture-scanning approach, lensless synthetic aperture implementation, and incoherent-imaging implementation.
Journal ArticleDOI
High-resolution and large field-of-view Fourier ptychographic microscopy and its applications in biomedicine.
TL;DR: This review provides a comprehensive roadmap of microscopy, the fundamental principles, advantages, and drawbacks of existing imaging techniques, and the significant roles that FPM plays in the development of science.
References
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