Geometric Shape Recognition with Fuzzy Filtered Input to a Backpropagation Neural Network. - Figen Ulgen; Andrew C. Flavell; Norio Akamatsu (IEICE Trans. Inf. Syst., 1995)

The Hypercube Separation Algorithm: A Fast and Efficient Algorithm for On-Line Handwritten Character Recognition. - Figen Ulgen; Norio Akamatsu; Takenori Iwasa (Appl. Intell., 1996)

On-Line Shape Recognition with Incremental Training Using Binary Synaptic Weights Algorithm. - Figen Ulgen; Andrew C. Flavell; Norio Akamatsu (Appl. Intell., 1996)