@inproceedings{CamposTaberner15-igarss, author = {Manuel Campos-Taberner and Adriana Romero and Carlo Gatta and Gustau Camps-Valls}, title = {Shared feature representations of LiDAR and optical images: Trading sparsity for semantic discrimination}, booktitle = {IEEE International Geoscience and Remote Sensing Symposium (IGARSS)}, pages = {4169-4172}, year = {2015},}