About the Authors

Tuomo Mäki-Marttunen

tuomo.maki-marttunen@tut.fi

Affiliations Department of Signal Processing, Tampere University of Technology, Tampere, Finland, Department of Mathematics, Tampere University of Technology, Tampere, Finland

Juha Kesseli

Affiliation Department of Signal Processing, Tampere University of Technology, Tampere, Finland

Matti Nykter

Affiliation Department of Signal Processing, Tampere University of Technology, Tampere, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TMM JK MN. Performed the experiments: TMM. Analyzed the data: TMM JK MN. Wrote the paper: TMM JK MN.