Journal of Mathematical Imaging and Vision
Robust optimal granulometric bandpass filters
Signal Processing
Bayesian robust optimal linear filters
Signal Processing
Bayesian robustness in the control of gene regulatory networks
IEEE Transactions on Signal Processing
Pattern Recognition
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Robust Wiener- Kolmogorov theory
IEEE Transactions on Information Theory
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In part I of this two-part study, we introduced a new optimal Bayesian classification methodology that utilizes the same modeling framework proposed in Bayesian minimum-mean-square error (MMSE) error estimation. Optimal Bayesian classification thus completes a Bayesian theory of classification, where both the classifier error and our estimate of the error may be simultaneously optimized and studied probabilistically within the assumed model. Having developed optimal Bayesian classifiers in discrete and Gaussian models in part I, here we explore properties of optimal Bayesian classifiers, in particular, invariance to invertible transformations, convergence to the Bayes classifier, and a connection to Bayesian robust classifiers. We also explicitly derive optimal Bayesian classifiers with non-informative priors, and explore relationships to linear and quadratic discriminant analysis (LDA and QDA), which may be viewed as plug-in rules under Gaussian modeling assumptions. Finally, we present several simulations addressing the robustness of optimal Bayesian classifiers to false modeling assumptions. Companion website: http://gsp.tamu.edu/Publications/supplementary/dalton12a.