• DocumentCode
    1821339
  • Title

    Novel statistical offline nonuniform sampling of time-limited signal

  • Author

    Sankhe, Kunal ; Murthy, Garimella Rama ; Gabbouj, Moncef

  • Author_Institution
    Signal Process. & Commun. Res. Center, Int. Inst. of Inf. Technol., Hyderabad, India
  • fYear
    2015
  • fDate
    26-28 March 2015
  • Firstpage
    1
  • Lastpage
    6
  • Abstract
    In this paper, a novel statistical approach for nonuniform sampling of a time-limited signal is proposed. Based on dynamic range, the signal is divided uniformly in equal intervals which constitute coarse partition. Then, total number of samples is nonuniformly distributed among the intervals of coarse partition leading to nonuniform sampling. The problem for nonuniform allocation of samples within coarse partition has been formulated and solutions based on integer linear programming have been proposed. Using intelligent allocation of samples in nonuniform manner, fewer samples are required to represent the signal retaining maximum information of the original signal. Approximation error between uniform sampling and proposed nonuniform sampling is compared. Original time-limited signal is reconstructed using B-Spline interpolation function.
  • Keywords
    integer programming; interpolation; linear programming; signal reconstruction; signal sampling; splines (mathematics); B-spline interpolation function; coarse partition; integer linear programming; statistical offline nonuniform sampling; time-limited signal; Filtering; Interpolation; Programming; B-Spline; Integer Linear Programming; Linear Diophantine Equation; Nonuniform Sampling;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Signal Processing, Communication and Networking (ICSCN), 2015 3rd International Conference on
  • Conference_Location
    Chennai
  • Print_ISBN
    978-1-4673-6822-3
  • Type

    conf

  • DOI
    10.1109/ICSCN.2015.7219870
  • Filename
    7219870