ON RANK SELECTION PROBABILITIES

Recently, the concept of rank selection probabilities for stack filter s have been introduced. If the probablities are known, then the output distribution for i.i.d. input follows easily. There is another expres sion for the output distribution of a stack filter using certain quant ities called A(i). In this correspondence, we utilize the different fo rms of output distribution to derive a simple connection between the q uantities A(i) and the rank selection probabilities. This also leads t o a new fast method for the computation of rank selection probabilitie s.