The forty-eighth session of the Scientific and Technical Subcommittee of the Committee on the Peaceful Uses of Outer Space (COPUOS) has been held during the period 7-18 February 2011 at the United Nation Office at Vienna, Austria.

TERRASIGNA's (former ASRC) presentation within the Item 8 Disaster management support focused on the applications of the satellite imagery in Earth Observation: “Four-Dimensional Earth Observation: Space and Time”. On this occasion were introduced:

• Automatic Change Detection Techniques in Satellite Imagery
• Interferometric Synthetic Aperture Radar (InSAR) Techniques and several operational services.

The Committee on the Peaceful Uses of Outer Space was set up by the General Assembly in 1959 (resolution 1472 (XIV)) with Romania as a Member State and it aims to review the scope of international cooperation in peaceful uses of outer space, to devise programmes in this field to be undertaken under United Nations auspices, to encourage continued research and the dissemination of information on outer space matters, and to study legal problems arising from the exploration of outer space.

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