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ML Classifier Fusion for Three Data Streams with Quality Inversely Proportional to Time Resolution

by Nageswara S Rao, Chris Y. T. Ma, Fei He
Publication Type
Conference Paper
Book Title
Proceedings of the International Conference on Information Fusion 2024
Publication Date
Page Numbers
1 to 8
Conference Name
27th International Conference on Information Fusion (FUSION2024)
Conference Location
Venice, Italy
Conference Sponsor
ISIF
Conference Date
-

We consider a monitoring scenario of phenomenon using three different streams of measurements whose quality is proportional to their constant inter-arrival times. Each measurement of a stream needs to be binary-classified to reflect the state of interest of the phenomenon. A set of classifiers is separately trained and fused for each stream at its time resolution using measurements collected under known states. We present a machine learning method to fuse the outputs of these fusers to provide a final classification at the finest time resolution. We show that this fused-fusers method provides decisions with likely superior classification probability compared to the best individual classifiers and fused-classifiers. We derive generalization equations that guarantee a superior classification probability of fused-fusers with a confidence probability specified by the classifiers’ generalization equations. We apply these results to study a practical problem of classifying Pu/Np target dissolution events at a radiochemical processing facility using gamma spectral measurements of effluent flows.