@inproceedings{PB-VRVis-2016-016,
author = {Kellner, Lisa Maria and Schw{\"a}rzler, Michael},
title = {Guided 2D Modeling of 3D Buildings using Oriented Photos},
year = {2016},
booktitle = {CESCG 2016},
editor = {Martin Ilcik and Michael Wimmer},
url = {https://www.vrvis.at/publications/PB-VRVis-2016-016},
publisher = {TU Wien},
abstract = {Capturing urban scenes using photogrammetric methods  has become an interesting alternative to laser scanning in  the past years. For the reconstruction of CAD-ready 3D  models, two main types of interactive approaches have be-  come prevalent: One uses the generated 3D point clouds  to reconstruct polygonal surfaces, while the other focuses  on 2D interaction in the photos to define edges and faces.  We propose a novel interactive system that combines  and enhances these approaches in order to optimize cur-  rent reconstruction and modeling workflows. Our main  interaction target are the photos, allowing simple 2D in-  teractions and edge-based snapping. We use the under-  lying segmented point cloud to define the 3D context in  which the sketched polygons are projected whenever pos-  sible. An intuitive Visual Guiding interface gives the user  feedback on the accuracy to expect with the current state of  modeling to keep the necessary interactions at a minimum  level.},
keywords = {3D-Modeling, Guidance, Photogrammetry},
}