Visual Localization in the Presence of Appearance Changes Using the Partial Order Kernel,
Abdollahyan, Maryam, Cascianelli Silvia, Bellocchio Enrico, Costante Gabriele, Ciarfuglia Thomas A., Bianconi Francesco, Smeraldi Fabrizio, and Fravolini Mario L.
, Volume {False}, Number {False}, p.697-701, (2018)