1. An image processing apparatus including a neural network, said neural network comprising: an input layer having first neurons for receiving pixel information in an area including a plurality of partial areas each of which contains a pixel of interest in an image; an intermediate layer having a second neuron and a plurality of groups of third neurons, the second neuron being connected to all the first neurons and each respective group of the third neurons being connected to a respective group of first neurons, which corresponds to one of the plurality of partial areas; and an output layer having a fourth neuron which is connected to the second neuron and all groups of the third neurons and which outputs information corresponding to the pixel of interest.