ABSTRACT
The Geomatics techniques offer today very interesting opportunities for Cultural Heritage surveys. In this context the role of
Photogrammetry is improved thanks to the development of new Image Matching algorithms and to the introduction of simplified
digital tools that permit the realization of surveys for architectural or archaeological purposes, without stereoscopic skills, so not
requiring expert photogrammetrists.
This paper deals with methodologies and problems encountered during the photogrammetric survey of the “Rolandino dei
Passaggieri” tomb in Bologna; different solutions were experimented using digital photogrammetric systems, in terms of data
acquisition (semi-metric and digital cameras), data processing (monoscopic and stereoscopic plotting, with and without the use of
Control Points, automatic surface model reconstruction) and representation (e.g. orthophotos, VRML object).
The operative phases of surveying were described and solutions were compared in order to evaluate the accuracy and the reliability in
restitution of the object shape.