Abstract:SUMMARYAn efficient algorithm is given for finding all stable equilibrium states of a cellular neural network. The method is based upon a new theorem concerning the network dynamics. The theorem implies the implementation of a simple sign test which, combined with a binary tree search, efficiently performs the task of searching the equilibria. Since the proposed algorithm uses information about the network architecture and dynamic behaviour, it exhibits two important advantages over other more general methods … Show more
“…For what concerns the ÿrst task, i.e. the computation of all the equilibrium points, some results are available in Reference [33] and especially in Reference [34], where an e cient algorithm is provided for determining all the stable equilibrium points. For what concerns the second task, i.e.…”
Section: Cnn Design Methods and Problemsmentioning
SUMMARYStable cellular neural networks with binary outputs implement a non-linear mapping between sets of input and output images. Such a mapping is studied in detail. We prove two theorems: the ÿrst one yields a su cient condition in order that the non-linear mapping be well-deÿned; the second one yields a condition, that allows to describe the mapping through a simple algorithm based on the sign of the initial derivatives. Then we enunciate two additional theorems and two corollaries, that identify the class of templates satisfying the above condition: such a class is shown to be rather large and include, as particular cases, the monotonic templates, and several kinds of non-monotonic templates. Finally, a rigorous design procedure is proposed.
“…For what concerns the ÿrst task, i.e. the computation of all the equilibrium points, some results are available in Reference [33] and especially in Reference [34], where an e cient algorithm is provided for determining all the stable equilibrium points. For what concerns the second task, i.e.…”
Section: Cnn Design Methods and Problemsmentioning
SUMMARYStable cellular neural networks with binary outputs implement a non-linear mapping between sets of input and output images. Such a mapping is studied in detail. We prove two theorems: the ÿrst one yields a su cient condition in order that the non-linear mapping be well-deÿned; the second one yields a condition, that allows to describe the mapping through a simple algorithm based on the sign of the initial derivatives. Then we enunciate two additional theorems and two corollaries, that identify the class of templates satisfying the above condition: such a class is shown to be rather large and include, as particular cases, the monotonic templates, and several kinds of non-monotonic templates. Finally, a rigorous design procedure is proposed.
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