Incorporating Fuzzy Membership Functions into the Perceptron Algorithm. - James M. Keller; Douglas J. Hunt (IEEE Trans. Pattern Anal. Mach. Intell., 1985)

Performance of the hough transform and its relationship to statistical signal detection theory. - Douglas J. Hunt; Loren W. Nolte; W. Howard Ruedger (Comput. Vis. Graph. Image Process., 1988)

Hough transform and signal detection theory performance for images with additive noise. - Douglas J. Hunt; Loren W. Nolte; Amy R. Reibman; W. Howard Ruedger (Comput. Vis. Graph. Image Process., 1990)