Generating a Photo Realistic Virtual Model for the large Domitilla-Catacomb in Rome. 9th Conf. Optical 3-D Measurement Techniques, Research Authors Abdelhafiz, A., Zimmermann, N., Eßer, G., and Mayer, I Research Department Civil Engineering Department Research Journal Vienna, Austria, Research Member Ahmed Abdelhafiz Ahmed Abdelhafiz Research Rank 1 Research Year 2009