| Paper: | MLSP-L1.4 | ||
| Session: | Pattern Recognition and Classification I | ||
| Time: | Thursday, May 20, 10:30 - 10:50 | ||
| Presentation: | Lecture | ||
| Topic: | Machine Learning for Signal Processing: Signal detection, Pattern Recognition and Classification | ||
| Title: | ACTIVE SELECTION OF LABELED DATA FOR TARGET DETECTION | ||
| Authors: | Yan Zhang; Duke University | ||
| Xuejun Liao; Duke University | |||
| Esther Dura; Duke University | |||
| Lawrence Carin; Duke University | |||
| Abstract: | An information-theoretic approach is developed for target detection, with active selection of training set, directly from the site-specific measured data. For the proposed kernel-based algorithm, a set of basis functions are defined first to characterize the signature distribution of the site, then we determine a parsimonious set of data, for which knowledge of the associated labels would be most informative to determine the weights for the basis functions. Both of them utilize the Fisher information criteria. The proposed framework is applied to subsurface target detection, with example results presented for an actual buried unexploded ordnance site. | ||
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