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MULTI-SENSOR HIGH RESOLUTION INTELLIGENT MARINE OBSERVATION OF OCEAN FLOOR IN CONTINENTAL SHELVES

Objective

The objective of the project is to prove the feasibility of a new concept for an oceanographic imaging system in coastal zones (depth < 100 m) based on three main ideas: i) high resolution passiveactive sensors; ii) multisensor data fusion for 3d registration, and iii) intelligent interactive regulation.
A new oceanographic imaging system for coastal zones was designed and its feasibility investigated. The system has high resolution passive and active sensors, multibeam sonar and a low light level charge coupled device (CCD) camera aboard a remotely operated vehicle. Multisensors provide data for 3-dimensional reconstruction. The system features artificial intelligence for enhance its ability to gather data.
It is a synergic combination of complementary sensors in a data fusion process combined with artificial intelligence to achieve the best tuning of the different sub-systems in the context of underwater applications. The sensors are a high resolution multibeam sonar (frequency > 500 kHz, resolution < 0,2o) and a low light level CCD camera (sensitivity 2VaJcm2). The sonar provides directly the distances, and a dynamic stereo vision process has to be done with the camera to extract the 3d range map. To improve the reliability of the sensors' observations and the accuracy of the 3d range maps, the multisensor data fusion will be performed under the control of a Knowledge Based System depending upon the application.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

Thomson Marconi Sonar SAS
Address
525,Route Des Dolines
06903 Sophia Antipolis
France

Participants (3)

INSTITUTO SUPERIOR TECNICO
Portugal
Address
1,Avenida Rovisco Pais 1
1049-001 Lisboa
Thomson-CSF
France
Address
173,Boulevard Haussmann 173
75415 Paris
Università degli Studi di Genova
Italy
Address
11 A,via Opera Pia 11/A
16145 Genova