@article{doi:10.1080/01431161.2016.1201227, author = {T. Perciano and F. Tupin and R. Hirata Jr. and R. M. Cesar Jr.}, title = {A two-level Markov random field for road network extraction and its application with optical, SAR, and multitemporal data}, journal = {International Journal of Remote Sensing}, volume = {37}, number = {16}, pages = {3584-3610}, year = {2016}, doi = {10.1080/01431161.2016.1201227}, URL = {http://dx.doi.org/10.1080/01431161.2016.1201227}, eprint = {http://dx.doi.org/10.1080/01431161.2016.1201227}, lbnl-number = {LBNL-1005729} }