Thin film notch filters as platforms for biological image processing.

Sci Rep

ARC Centre of Excellence for Transformative Meta-Optical Systems, School of Physics, The University of Melbourne, Melbourne, VIC, 3010, Australia.

Published: March 2023

AI Article Synopsis

  • The text discusses how image processing can involve altering spatial frequency content, using a commercial spectral bandstop filter for object-plane spatial frequency filtering.
  • This method allows for real-time creation of pseudo-3D images of transparent biological samples, including human cervical cancer cells.
  • The research highlights the advantages of non-local, non-interferometric techniques for label-free biological cell imaging and dynamic observation.

Article Abstract

Many image processing operations involve the modification of the spatial frequency content of images. Here we demonstrate object-plane spatial frequency filtering utilizing the angular sensitivity of a commercial spectral bandstop filter. This approach to all-optical image processing is shown to generate real-time pseudo-3D images of transparent biological and other samples, such as human cervical cancer cells. This work demonstrates the potential of non-local, non-interferometric approaches to image processing for uses in label-free biological cell imaging and dynamical monitoring.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10024701PMC
http://dx.doi.org/10.1038/s41598-023-31528-5DOI Listing

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