Sparsity-Based Pixel Super Resolution for Lens-Free Digital In-line Holography

DSpace/Manakin Repository

Sparsity-Based Pixel Super Resolution for Lens-Free Digital In-line Holography

Citable link to this page

 

 
Title: Sparsity-Based Pixel Super Resolution for Lens-Free Digital In-line Holography
Author: Song, Jun; Leon Swisher, Christine; Im, Hyungsoon; Jeong, Sangmoo; Pathania, Divya; Iwamoto, Yoshiko; Pivovarov, Misha; Weissleder, Ralph; Lee, Hakho

Note: Order does not necessarily reflect citation order of authors.

Citation: Song, Jun, Christine Leon Swisher, Hyungsoon Im, Sangmoo Jeong, Divya Pathania, Yoshiko Iwamoto, Misha Pivovarov, Ralph Weissleder, and Hakho Lee. 2016. “Sparsity-Based Pixel Super Resolution for Lens-Free Digital In-line Holography.” Scientific Reports 6 (1): 24681. doi:10.1038/srep24681. http://dx.doi.org/10.1038/srep24681.
Full Text & Related Files:
Abstract: Lens-free digital in-line holography (LDIH) is a promising technology for portable, wide field-of-view imaging. Its resolution, however, is limited by the inherent pixel size of an imaging device. Here we present a new computational approach to achieve sub-pixel resolution for LDIH. The developed method is a sparsity-based reconstruction with the capability to handle the non-linear nature of LDIH. We systematically characterized the algorithm through simulation and LDIH imaging studies. The method achieved the spatial resolution down to one-third of the pixel size, while requiring only single-frame imaging without any hardware modifications. This new approach can be used as a general framework to enhance the resolution in nonlinear holographic systems.
Published Version: doi:10.1038/srep24681
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838824/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:26860111
Downloads of this work:

Show full Dublin Core record

This item appears in the following Collection(s)

 
 

Search DASH


Advanced Search
 
 

Submitters