Article published Modelling in 3-D
An accurate vision of existing buildings
These tools for modelling and locating in 3-D support direct applications for improving energy economy, particularly for old buildings.
Starting from photographs, the CEA LIST has patented techniques for reconstruction and 3-D numerical, modelling of existing industrial buildings and their equipment. The 2-D drawings are not always available, particularly for old buildings, and do not systematically supply the information required to undertake the work. “This modelling has proved easy to carry out in any building, in particular during renovation work in old buildings, to measure the size of rooms, the position of components such as windows, their number, the surface area of the walls, etc. with possible applications in the area of energy management”, explains François Gaspard, manager of the Embedded Vision Systems team at the LIST. Researchers also propose to carry out real-time modelling while moving through the building and couple this technology for 3-D reconstruction of environments to other real-time location technology. Key advantage: a light and accurate location system with the possibility of an enhanced reality, able to add virtual information to the real world, by means of specifically designed spectacles for example. “It is easy to imagine direct applications in the area of maintenance work, to rapidly locate equipment which requires repair”, says François Gaspard. The start-up company Arcure, currently in the incubation phase, has specifically targeted this objective.
