* Costeffective-aid 3D models
* IID
* TU Delft Optical and Laser remote sensing group (http://www.lr.tudelft.nl/live/pagina.jsp?id=17783744-e048-4707-a38a-b3b9e2574d03&lang=en)
* Ghent University, Department of Geography
* others, see http://en.wikipedia.org/wiki/3D_data_acquisition_and_object_reconstruction (references)