Modeling and Information Processing

ANAÏS 3D - Analysis in 3D imaging

Objective

• To design 3D reconstruction algorithms in various modes (raster, vector, and object) by implementing calibration, estimation and modeling processes using optical and radar sources.

Context

The market for large scale 3D mapping, particularly of urban sites, has expanded considerably in recent years. This is first of all due to the progress made in observation devices: different civil space programs have recently given us the ability to obtain optical resolutions better than 1 meter (Quickbird, the future Pleiades system); this resolution is already possible by airborne SAR and should be available from space by 2007 (Cosmo-Skymed, Sar-Lupe). This is also being developed in response to the various needs expressed by ever more numerous and varied customers: from civil telecommunications to the mission preparation of precision weapons systems, as far as the military market is concerned.

Onera's Contribution

Within this context, for several years now, the DTIM has been conducting different amont studies concerning the interpretation of 3D maps and models according to the different physical methods of acquisition (optical and radar stereoscopy, optical side-looking systems, SAR interferometry). The study topics cover not only the problem of calibrating observation systems but also the problems of creating matches between images, extracting superstructures on one or more images and merging the 3D information.

Examples of results

• Extracting 3D models at iso-altitude in the Pleiades context
• 3D SAR platform
• CV/ES - Virtual camera in a synthetic environment
• Virtual navigation
• Help with tracking in an urban environment

Last Update: October 10, 2006 - © ONERA 2009 - Terms of use