• DocumentCode
    2632843
  • Title

    Foveated image formation through compressive sensing

  • Author

    Larcom, Ronald ; Coffman, Thayne R.

  • Author_Institution
    21st Century Technol., Austin, TX, USA
  • fYear
    2010
  • fDate
    23-25 May 2010
  • Firstpage
    145
  • Lastpage
    148
  • Abstract
    We describe two methods by which foveated (variable resolution) images can be created using the techniques of compressive sensing (CS). Foveated sampling (FS) combines a linear shift-variant foveation filter with the CS measurement operator. Foveated sampling and reconstruction (FSR) combines the foveation filter with the CS measurement operator and also with the sparse signal estimation algorithm used to reconstruct images. Both methods are shown to provide accurate reconstruction of foveated images at much higher compression levels than uniform resolution CS.
  • Keywords
    CMOS image sensors; Image coding; Image reconstruction; Image sampling; Interpolation; Kernel; Least squares methods; Signal processing; Signal sampling; Spline; Stagewise Orthogonal Matching Pursuit; compressed sensing; foveation; human visual system; image formation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Image Analysis & Interpretation (SSIAI), 2010 IEEE Southwest Symposium on
  • Conference_Location
    Austin, TX, USA
  • Print_ISBN
    978-1-4244-7801-9
  • Type

    conf

  • DOI
    10.1109/SSIAI.2010.5483896
  • Filename
    5483896