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  4. Analysis of the hybrid light field reconstruction and comparison with Richardson-Lucy Light Field Deconvolution
 
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2024
Journal Article
Title

Analysis of the hybrid light field reconstruction and comparison with Richardson-Lucy Light Field Deconvolution

Abstract
Conventional microscopes have a high spatial resolution and a low depth-of-field. Light field microscopes have a high depth-of-field but low spatial resolution. A new hybrid approach uses information from both systems to reconstruct a high-resolution light field [Appl. Opt. 58, A142 (2019)]. The resolution of the resulting light field is said to be limited only by diffraction and the size of the pixels. In this paper, we evaluate this method. Using simulation data we compare the output of the hybrid reconstruction algorithm with its simulated ground truth. Our analyses reveal that the observed improvement in the light field quality is not a consequence of data fusion or incorporation of information from a conventional camera, but rather the results of an intermediate interpolation step within the light field itself. This suggests that the required information is already inherent to the light field. By employing the Richardson-Lucy Light Field Deconvolution algorithm, we demonstrate that existing algorithms have already utilized this information.
Author(s)
Eckstein, Viktor  orcid-logo
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Schmid-Schirling, Tobias  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Carl, Daniel  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Wallrabe, Ulrike
Universität Freiburg, IMTEK
Journal
Applied optics  
DOI
10.1364/AO.516573
Language
English
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Keyword(s)
  • High-resolution light field

  • Three dimensional imaging

  • Hybrid reconstruction

  • Microscope

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