Main research results
Cost function adaptation (Signal Processing, Volume 80 , Issue 11, Nov 2000, pp. 2457 - 2473)
Convex variable step-size (IEEE Signal Processing Letters, Volume 7, Issue 9, Sep 2000, pp. 256 - 258
Variable error-exponent (IEE Proceedings Vision, Image and Signal Processing, Volume: 147, Issue: 6, Dec 2000, pp. 516-526)
The phase is the series of the odd derivatives of the neperian gain (Circuits, Systems, and Signal Processing, Volume 21, Number 3, May 2002, pp.243-261)
Phase approximation by logarithmic sampling of gain (IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, Volume: 50, Issue: 2, Feb 2003, pp. 93- 101)
Circle fitting by weighted inversion (J. Electron. Imaging, Vol. 12, Jan2003, pp. 179-193)
Zeros localisation using FFT (IEEE Signal Processing Letters, Volume 11, Issue 10, Oct. 2004, pp. 817 - 820)
The causal part of autocorrelation is minimum-phase (SignalProcessing, Volume 89, Issue 6, June 2009, pp. 1032-1037)
Exponentiated convex variable step-size algorithm (Signal Processing, Volume 90, Issue 9, Sept. 2010, pp. 2784--2791)
A DFT-based criterion to test positivity of a trigonometric polynomial (Signal, Image and Video Processing, February 2017, Volume 11, Issue 2, pp 195–202)