\begin{thebibliography}{1}

\bibitem[1]{scikit-image}
{S}téfan van~der Walt, {J}ohannes~{L}. {S}chönberger, {J}uan {Nunez-Iglesias}, {F}ran{ç}ois {B}oulogne, {J}oshua~{D}. {W}arner, {N}eil {Y}ager, {E}mmanuelle {G}ouillart, {T}ony {Y}u, and the~scikit-image contributors.
\newblock {s}cikit-image: image processing in {P}ython.
\newblock \emph{PeerJ}, 2:e453, 6 2014.
\newblock URL: \url{http://scikit-image.org/}, \href{https://doi.org/10.7717/peerj.453}{doi:10.7717/peerj.453}.

\end{thebibliography}