[IEEE ICASSP 2011 - 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) - Prague, Czech Republic (2011.05.22-2011.05.27)] 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) - Efficient maximum likelihood estimation of a 2-D complex sinusoidal based on barycentric interpolation