@Article{bianco:2014prlsi,
author = {F. Bianconi and A. Fern\'{a}ndez},
title = {Rotation invariant co-occurrence features based on digital circles and discrete {F}ourier transform},
journal = {Pattern Recognition Letters},
volume = {48},
pages = {34-41},
year = {2014},
doi = {10.1016/j.patrec.2014.04.006}
}