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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.math4.neuralnet;
/**
* Defines neighbourhood types.
*
* @since 3.3
*/
public enum SquareNeighbourhood {
/**
* <a href="http://en.wikipedia.org/wiki/Von_Neumann_neighborhood">
* Von Neumann neighbourhood</a>: in two dimensions, each (internal)
* neuron has four neighbours.
*/
VON_NEUMANN,
/**
* <a href="http://en.wikipedia.org/wiki/Moore_neighborhood">
* Moore neighbourhood</a>: in two dimensions, each (internal)
* neuron has eight neighbours.
*/
MOORE,
}