Dynamic adaptive learning for decision-making supporting systems

Haibo He; Yuan Cao; Sheng Chen; Sachi Desai; Myron E. Hohil

doi:10.1117/12.783113

17 March 2008 Dynamic adaptive learning for decision-making supporting systems

Haibo He, Yuan Cao, Sheng Chen, Sachi Desai, Myron E. Hohil

Proceedings Volume 6974, Multisensor, Multisource Information Fusion: Architectures, Algorithms, and Applications 2008; 69740O (2008) https://doi.org/10.1117/12.783113
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

This paper proposes a novel adaptive learning method for data mining in support of decision-making systems. Due to the inherent characteristics of information ambiguity/uncertainty, high dimensionality and noisy in many homeland security and defense applications, such as surveillances, monitoring, net-centric battlefield, and others, it is critical to develop autonomous learning methods to efficiently learn useful information from raw data to help the decision making process. The proposed method is based on a dynamic learning principle in the feature spaces. Generally speaking, conventional approaches of learning from high dimensional data sets include various feature extraction (principal component analysis, wavelet transform, and others) and feature selection (embedded approach, wrapper approach, filter approach, and others) methods. However, very limited understandings of adaptive learning from different feature spaces have been achieved. We propose an integrative approach that takes advantages of feature selection and hypothesis ensemble techniques to achieve our goal. Based on the training data distributions, a feature score function is used to provide a measurement of the importance of different features for learning purpose. Then multiple hypotheses are iteratively developed in different feature spaces according to their learning capabilities. Unlike the pre-set iteration steps in many of the existing ensemble learning approaches, such as adaptive boosting (AdaBoost) method, the iterative learning process will automatically stop when the intelligent system can not provide a better understanding than a random guess in that particular subset of feature spaces. Finally, a voting algorithm is used to combine all the decisions from different hypotheses to provide the final prediction results. Simulation analyses of the proposed method on classification of different US military aircraft databases show the effectiveness of this method.

Citation Download Citation

Haibo He, Yuan Cao, Sheng Chen, Sachi Desai, and Myron E. Hohil "Dynamic adaptive learning for decision-making supporting systems", Proc. SPIE 6974, Multisensor, Multisource Information Fusion: Architectures, Algorithms, and Applications 2008, 69740O (17 March 2008); https://doi.org/10.1117/12.783113

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