@inbook{Sakurada_2015, title={Massive City-Scale Surface Condition Analysis Using Ground and Aerial Imagery}, ISBN={9783319168654}, ISSN={1611-3349}, url={http://dx.doi.org/10.1007/978-3-319-16865-4_4}, DOI={10.1007/978-3-319-16865-4_4}, booktitle={Computer Vision – ACCV 2014}, publisher={Springer International Publishing}, author={Sakurada, Ken and Okatani, Takayuki and Kitani, Kris M.}, year={2015}, pages={49–64} }