... a set of feature vectors {x; x ∈n} of an object of interest, we assume that the (probabilistic)state of nature of each object can be designated with a label ω ∈ , where is the set of all ... The purpose of signal detection is to detect the presence of a knownsignal in the presence of additive noise. It is assumed that the received signal (often a vector) x mayconsist of the true ... Microstruc-ture of Cognition,vol. I, MIT Press, Cambridge, MA, 1986.[4] G. Cybenko, Approximation by superpositions of a sigmoidal function, University of Illinois, De-partment of Electrical...