Sensors & Electronics
Macro Property Measurement
Efficient Detection of Regional Changes (79)
Problem: Method needed for rapid, efficient use of archival & new remote images to detect changes over large land areas
Project Activity Scope (from Technical Overview Chart): Measurement & Analysis Method Development through Measurement & Analysis System Applications
PNNL Solution:
- Developed algorithms to rapidly detect changes in large area images & rank changes using analyst criteria
- Displayed ranked changes using color coding for easy interpretation
- Successfully demonstrated rapid analysis of practical images
- Repeated use identifies trends
Capabilities Employed to Meet Client Needs: imagery analysis; change detection; multisensor data fusion; aerial and satellite data exploitation.
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Contact: Gregg Petrie
