Augmented reality for construction site monitoring and documentation

S Zollmann, C Hoppe, S Kluckner… - Proceedings of the …, 2014 - ieeexplore.ieee.org
Augmented reality (AR) allows for an on-site presentation of information that is registered to
the physical environment. Applications from civil engineering, which require users to process …

Building with drones: Accurate 3D facade reconstruction using MAVs

S Daftry, C Hoppe, H Bischof - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Automatic reconstruction of 3D models from images using multi-view Structure-from-Motion
methods has been one of the most fruitful outcomes of computer vision. These advances …

Flyar: Augmented reality supported micro aerial vehicle navigation

S Zollmann, C Hoppe, T Langlotz… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Micro aerial vehicles equipped with high-resolution cameras can be used to create aerial
reconstructions of an area of interest. In that context automatic flight path planning and …

[PDF][PDF] Photogrammetric camera network design for micro aerial vehicles

C Hoppe, A Wendel, S Zollmann, K Pirker… - Computer vision …, 2012 - researchgate.net
Micro Aerial Vehicles (MAVs) equipped with high resolution cameras have the ability of cost
efficient and autonomous image acquisition from unconventional viewpoints. To fully exploit …

[PDF][PDF] Online Feedback for Structure-from-Motion Image Acquisition.

C Hoppe, M Klopschitz, M Rumpler, A Wendel… - BMVC, 2012 - tugraz.at
The quality and completeness of 3D models obtained by Structure-from-Motion (SfM)
heavily depend on the image acquisition process. If the user gets feedback about the …

Evaluations on multi-scale camera networks for precise and geo-accurate reconstructions from aerial and terrestrial images with user guidance

…, A Tscharf, C Mostegel, S Daftry, C Hoppe… - Computer vision and …, 2017 - Elsevier
During the last decades photogrammetric computer vision systems have been well established
in scientific and commercial applications. Recent developments in image-based 3D …

Interactive 4D overview and detail visualization in augmented reality

S Zollmann, D Kalkofen, C Hoppe… - … on Mixed and …, 2012 - ieeexplore.ieee.org
In this paper we present an approach for visualizing time-oriented data of dynamic scenes in
an on-site AR view. Visualizations of time-oriented data have special challenges compared …

[PDF][PDF] Incremental Surface Extraction from Sparse Structure-from-Motion Point Clouds.

C Hoppe, M Klopschitz, M Donoser, H Bischof - BMVC, 2013 - researchgate.net
Extracting surfaces from a sparse 3D point cloud in real-time can be beneficial for many
applications that are based on Simultaneous Localization and Mapping (SLAM) like occlusion …

Automated end-to-end workflow for precise and geo-accurate reconstructions using fiducial markers

…, R Prettenthaler, C Hoppe… - ISPRS Annals of …, 2014 - isprs-annals.copernicus.org
Photogrammetric computer vision systems have been well established in many scientific
and commercial fields during the last decades. Recent developments in image-based 3D …

Efficient structure from motion with weak position and orientation priors

A Irschara, C Hoppe, H Bischof… - CVPR 2011 …, 2011 - ieeexplore.ieee.org
In this paper we present an approach that leverages prior information from global positioning
systems and inertial measurement units to speedup structure from motion computation. We …