paasio, 2001, An Analogue Circuit for Weighted Ranked Order Filtering, Proc ECCTD 01
paasio, 2001, A Compact Computational Core for Image Processing, Proc ECCTD 01
lazzaro, 1989, Winner-take-all Networks of O(n) Complexity, Advances in neural information processing systems, 1, 703
10.1109/81.661683
10.1049/el:19960728
10.1109/5.387088
goutsias, 2000, Mathematical Morphology and its Applications to Image and Signal Processing, 10.1007/b117970