“…Research in this vein has continued over the past 30 years, including, for example, a paper by Garber and Djouadi [9] on the bounds of the Bayes' error for the multiple hypothesis problem. Williams and Clark [10] advocated the use of multivariate statistical tools, such as intrinsic dimensionality of data, to help estimate Bayes' error. They used Xpatch synthetic SAR imagery to demonstrate their hypotheses.…”