Module used to differentiate its input over time. The output is calculated as, output(t) = input(t) - input(t-1) The module retains the size of the input even if it is a matrix. The module can thus be used to differentiate images..

Christian Balkenius christian.balkenius@lucs.lu.se Lund University Cognitive Science http://www.lucs.lu.se/Christian.Balkenius Differentiator.h Differentiator.cc Differentiator.ikc