Signal differentiation through a Green's function approach. - José R. A. Torreão; Marcos S. Amaral (Pattern Recognit. Lett., 2002)

Efficient, recursively implemented differential operator, with application to edge detection. - José R. A. Torreão; Marcos S. Amaral (Pattern Recognit. Lett., 2006)

Signal-Tuned Gabor Functions as Models for Stimulus-Dependent Cortical Receptive Fields. - José R. A. Torreão; Silvia M. C. Victer; Marcos S. Amaral (Neural Comput., 2014)