About the Authors

Xingfeng Li

x.li@ulster.ac.uk

Affiliation Intelligent Systems Research Centre, University of Ulster, Derry, Northern Ireland, United Kingdom

Damien Coyle

Affiliation Intelligent Systems Research Centre, University of Ulster, Derry, Northern Ireland, United Kingdom

Liam Maguire

Affiliation Intelligent Systems Research Centre, University of Ulster, Derry, Northern Ireland, United Kingdom

Thomas M. McGinnity

Affiliation Intelligent Systems Research Centre, University of Ulster, Derry, Northern Ireland, United Kingdom

Robert F. Hess

Affiliation McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, Quebec, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XL. Performed the experiments: RFH XL. Analyzed the data: XL. Contributed reagents/materials/analysis tools: XL RFH. Wrote the paper: RFH XL DC LM TMM.