OPALS - A framework for Airborne Laser Scanning data analysis. - Norbert Pfeifer; Gottfried Mandlburger; Johannes Otepka; Wilfried Karel (Comput. Environ. Urban Syst., 2014)

Automated Archiving of Archaeological Aerial Images. - Michael Doneus; Martin Wieser; Geert J. Verhoeven; Wilfried Karel; Martin Fera; Norbert Pfeifer (Remote. Sens., 2016)

Roughness Spectra Derived from Multi-Scale LiDAR Point Clouds of a Gravel Surface: A Comparison and Sensitivity Analysis. - Milutin Milenkovic; Camillo Ressl; Wilfried Karel; Gottfried Mandlburger; Norbert Pfeifer (ISPRS Int. J. Geo Inf., 2018)

Impact of the Acquisition Geometry of Very High-Resolution Pléiades Imagery on the Accuracy of Canopy Height Models over Forested Alpine Regions. - Livia Piermattei; Mauro Marty; Wilfried Karel; Camillo Ressl; Markus Hollaus; Christian Ginzler; Norbert Pfeifer (Remote. Sens., 2018)

Pléiades satellite images for deriving forest metrics in the Alpine region. - Livia Piermattei; Mauro Marty; Christian Ginzler; Markus Pöchtrager; Wilfried Karel; Camillo Ressl; Norbert Pfeifer; Markus Hollaus (Int. J. Appl. Earth Obs. Geoinformation, 2019)

Terrestrial Structure from Motion Photogrammetry for Deriving Forest Inventory Data. - Livia Piermattei; Wilfried Karel; Di Wang 006; Martin Wieser; Martin Mokros; Peter Surový; Milan Koren; Julián Tomastík; Norbert Pfeifer; Markus Hollaus (Remote. Sens., 2019)