About the Authors

Luís M. O. Matos

luismatos@ua.pt

Affiliation Signal Processing Lab, IEETA/DETI, University of Aveiro, 3810–193 Aveiro, Portugal

António J. R. Neves

Affiliation Signal Processing Lab, IEETA/DETI, University of Aveiro, 3810–193 Aveiro, Portugal

Diogo Pratas

Affiliation Signal Processing Lab, IEETA/DETI, University of Aveiro, 3810–193 Aveiro, Portugal

Armando J. Pinho

Affiliation Signal Processing Lab, IEETA/DETI, University of Aveiro, 3810–193 Aveiro, Portugal

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LMOM. Performed the experiments: LMOM. Analyzed the data: LMOM DP AJP. Contributed reagents/materials/analysis tools: LMOM AJRN DP AJP. Wrote the paper: LMOM DP AJP.