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Dursun Ustundag

  • Associated Prof. Dr.
  • Marmara Universitesi
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IET signal processing


2011 - Present

Recent publications

  • Performance evaluation of gibbs sampling for bayesian extracting sinusoids

    • Cevri M
    • ?st?ndag D
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  • Recovering sinusoids from noisy data using bayesian inference with simulated annealing

    • ?st?nda? D
    • Cevri M

Professional experience

Marmara Universitesi



Marmara Universitesi

March 1994 - Present


I am currently working on analyzing positron annihilation lifetime spectra (PALS) that involves fitting parameter-dependent model to the experimental data but, requires local nonlinear optimization routines with a reasonable guess for the search parameters. However, different sets of parameters may yield good fit for a given experimental spectrum and give also rise to ambiguities in data analysis. In order to remove these ambiguities, we develop a new procedure that combines a global nonlinear optimization routine based on Simulated Annealing algorithm (SA) with Reversible jump Markov Chain Monte-Carlo Bayesian Inference method (RJMCMC-BI) so that it provides a robust fitting tool and yields information on the reliability of the results.

Co-authors (4)

  • Ugur Yahsi