@incollection{Cal20, author = {Alfred Cal}, title = {High-Resolution Object-Based Building Extraction Using PCA of LiDAR nDSM and Aerial Photos}, booktitle = {Spatial Variability in Environmental Science}, publisher = {IntechOpen}, address = {Rijeka}, year = {2020}, editor = {John P. Tiefenbacher and Davod Poreh}, chapter = {8}, doi = {10.5772/intechopen.92640}, url = {https://doi.org/10.5772/intechopen.92640} }