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Published bySharlene Hicks Modified over 9 years ago
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On board processing - OPB Hot Spots 18 channels Ring Buffer Map Manager Request Interpreter Ground Station Relational Database (SQLite) Preprocess ing Algorithms Georectify Post processing Requester FRP Normalized Difference <= 5 channels
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Pre-processing/Product Relationships DC Radiance Reflectance Temp. Hot Spots. Scaled Visual Product. FRP Normalized Difference Multi- Class Shapefile Raw data Intermediate Derived Output “Real” Output
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Improvements Increase automation – ground station front end Addition of a relational database - currently used to set-up requests for known targets and log requests sent. Variable buffer size – trade off between responsiveness and histogram variation “Science” products – FRP, Normalized Difference
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Real time georectification Good relative with proper boresighting. Elevation change and importance of a good DEM
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Adding Algorithms Designed with this in mind – fairly easy but does require recompilation Database (somewhat spatial), meta-data, simple thresholding, normalized differences Would lend itself well to unsupervised clustering algorithms Processing time for “real time” turnaround varies with scanrate and buffer size selected. At a scanrate of 11sps, there 1.8 min., to 54sec. of processing time for 1200 and 600 line buffer respectively.
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