A reconfigurable camera add-on for high dynamic range, multispectral, polarization, and light-field imaging

  • Authors:
  • Alkhazur Manakov;John F. Restrepo;Oliver Klehm;Ramon Hegedüs;Elmar Eisemann;Hans-Peter Seidel;Ivo Ihrke

  • Affiliations:
  • Saarland University;Saarland University;MPI Informatik;MPI Informatik;Delft University of Technology;MPI Informatik;Saarland University and MPI Informatik and INRIA

  • Venue:
  • ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
  • Year:
  • 2013

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Abstract

We propose a non-permanent add-on that enables plenoptic imaging with standard cameras. Our design is based on a physical copying mechanism that multiplies a sensor image into a number of identical copies that still carry the plenoptic information of interest. Via different optical filters, we can then recover the desired information. A minor modification of the design also allows for aperture sub-sampling and, hence, light-field imaging. As the filters in our design are exchangeable, a reconfiguration for different imaging purposes is possible. We show in a prototype setup that high dynamic range, multispectral, polarization, and light-field imaging can be achieved with our design.