Problems of selecting the buttons in the layered neural network application

We applied the back-propagation method of a layered neural network into the problem selecting the buttons, which were fit to the cloth or the thread of suits. The problem is thought to be important as the example of the network which has a number of output units in comparison with the number of input units. The effective method for solving the problem was to increase input units by patterning the input data and to decrease output units by classifying the output. As a result, the square error of the network decreased and the recognition rate of the buttons for the learning patterns improved remarkably.