The Asymptotic Optimal Frequency Domain Filter for Edge Detection. - Wolfram H. H. J. Lunscher (IEEE Trans. Pattern Anal. Mach. Intell., 1983)

Optimal Edge Detector Design I: Parameter Selection and Noise Effects. - Wolfram H. H. J. Lunscher; Michael P. Beddoes (IEEE Trans. Pattern Anal. Mach. Intell., 1986)

Optimal Edge Detector Design II: Coefficient Quantization. - Wolfram H. H. J. Lunscher; Michael P. Beddoes (IEEE Trans. Pattern Anal. Mach. Intell., 1986)

Optimal Edge Detector Evaluation. - Wolfram H. H. J. Lunscher; Michael P. Beddoes (IEEE Trans. Syst. Man Cybern., 1986)

Fast binary-image boundary extraction. - Wolfram H. H. J. Lunscher; Michael P. Beddoes (Comput. Vis. Graph. Image Process., 1987)