Lensless wide-field fluorescent imaging on a chip using compressive decoding of sparse objects

We demonstrate the use of a compressive sampling algorithm for on-chip fluorescent imaging of sparse objects over an ultra-large field-of-view (>8 cm2) without the need for any lenses or mechanical...

The projection approximation and edge contrast for x-ray propagation-based phase contrast imaging of a cylindrical edge

We examine the projection approximation in the context of propagation-based phase contrast imaging using hard x-rays. Specifically, we consider the case of a cylinder or a rounded edge, as a simple mo...

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