@article{TUW-295848, author = {Mikolka-Fl{\"o}ry, Sebastian and Pfeifer, Norbert}, title = {Horizon Line Detection in Historical Terrestrial Images in Mountainous Terrain Based on the Region Covariance}, journal = {Remote Sensing}, year = {2021}, volume = {13}, number = {9}, pages = {1705-1--1705-18}, doi = {10.3390/rs13091705}, keywords = {horizon detection; region covariance; historical images; edge detection} }