demogng.java

关于自组织神经网络的一种新结构程序,并包含了其它几种神经网络的程序比较

// ========================================================================== ;
//                                                                            ;
//     Copyright (1996-1998)  Hartmut S. Loos                                 ;
//                                                                            ;
//     Institut f"ur Neuroinformatik   ND 03                                  ;
//     Ruhr-Universit"at Bochum                                               ;
//     44780 Bochum                                                           ;
//                                                                            ;
//     Tel  : [phone]                                                 ;
//     Email: [e-mail]                 ;
//                                                                            ;
//     Version 1.5 (19.10.1998) ==> DGNG_VERSION (computeGNG.java)            ;
//                                                                            ;
// ========================================================================== ;
//                                                                            ;
//        Possible values for the <param>-tag:                                ;
//         algorithm:                                                         ;
//            - nothing                        => start applet with GNG       ;
//            - name=algorithm value="GG"     \                               ;
//            - name=algorithm value="GNG"     \                              ;
//            - name=algorithm value="GNG-U"    \                             ;
//            - name=algorithm value="HCL"       \  Start applet with         ;
//            - name=algorithm value="NG"         > algorithm named           ;
//            - name=algorithm value="NGwCHL"    /  in value.                 ;
//            - name=algorithm value="CHL"      /                             ;
//            - name=algorithm value="LBG"     /                              ;
//            - name=algorithm value="LBG-U"  /                               ;
//            - name=algorithm value="SOM"   /                                ;
//         distribution:                                                      ;
//            - nothing                                  => Rectangle         ;
//            - name=distribution value="Discrete"      \                     ;
//            - name=distribution value="Rectangle"      \                    ;
//            - name=distribution value="Circle"          \                   ;
//            - name=distribution value="Ring"             \                  ;
//            - name=distribution value="UNI"               \   Start with    ;
//            - name=distribution value="Small Spirals"      \  distribution  ;
//            - name=distribution value="Large Spirals"      /  named in      ;
//            - name=distribution value="HiLo Density"      /   value.        ;
//            - name=distribution value="UNIT"             /                  ;
//            - name=distribution value="Move & Jump"     /                   ;
//            - name=distribution value="Move"           /                    ;
//            - name=distribution value="Jump"          /                     ;
//            - name=distribution value="Right MouseB" /                      ;
//                                                                            ;
// ========================================================================== ;
//                                                                            ;
// Copyright 1996-1998 Hartmut S. Loos                                        ;
//                                                                            ;
// This program is free software; you can redistribute it and/or modify       ;
// it under the terms of the GNU General Public License as published by       ;
// the Free Software Foundation; either version 1, or (at your option)        ;
// any later version.                                                         ;
//                                                                            ;
// This program is distributed in the hope that it will be useful,            ;
// but WITHOUT ANY WARRANTY; without even the implied warranty of             ;
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              ;
// GNU General Public License for more details.                               ;
//                                                                            ;
// You should have received a copy of the GNU General Public License          ;
// along with this program; if not, write to the Free Software                ;
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                  ;
//                                                                            ;
// ========================================================================== ;

import java.applet.*;
import java.awt.*;

/**
 * A class drawing the GUI and interact with the user.
 *
 */
public class DemoGNG extends Applet {

  final static int GNG_C    = 5;
  final static int HCL_C    = 1;
  final static int NG_C     = 2;
  final static int NGwCHL_C = 4;
  final static int CHL_C    = 3;
  final static int LBG_C    = 0;
  final static int GG_C     = 7;
  final static int SOM_C    = 6;

  /**
   * The name of the first algorithm.
   */
  protected final static String ALGO_0 = "Growing Neural Gas / GNG-U";
  /**
   * The abbreviation of the first algorithm.
   */
  protected final static String ALGO_ABBREV_0 = "GNG";
  /**
   * The abbreviation of the utility version of the first algorithm.
   */
  protected final static String ALGO_ABBREV_0_U = "GNG-U";
  /**
   * The name of the second algorithm.
   */
  protected final static String ALGO_1 = "Hard Competitive Learning";
  /**
   * The abbreviation of the second algorithm.
   */
  protected final static String ALGO_ABBREV_1 = "HCL";
  /**
   * The name of the third algorithm.
   */
  protected final static String ALGO_2 = "Neural Gas";
  /**
   * The abbreviation of the third algorithm.
   */
  protected final static String ALGO_ABBREV_2 = "NG";
  /**
   * The name of the fourth algorithm.
   */
  protected final static String ALGO_3 = "Neural Gas with CHL";
  /**
   * The abbreviation of the fourth algorithm.
   */
  protected final static String ALGO_ABBREV_3 = "NGwCHL";
  /**
   * The name of the fifth algorithm.
   */
  protected final static String ALGO_4 = "Competitive Hebbian Learning";
  /**
   * The abbreviation of the fifth algorithm.
   */
  protected final static String ALGO_ABBREV_4 = "CHL";
  /**
   * The name of the sixth algorithm.
   */
  protected final static String ALGO_5 = "LBG / LBG-U";
  /**
   * The abbreviation of the sixth algorithm.
   */
  protected final static String ALGO_ABBREV_5 = "LBG";
  /**
   * The abbreviation of the utility version of the sixth algorithm.
   */
  protected final static String ALGO_ABBREV_5_U = "LBG-U";
  /**
   * The name of the seventh algorithm.
   */
  protected final static String ALGO_6 = "Growing Grid";
  /**
   * The abbreviation of the seventh algorithm.
   */
  protected final static String ALGO_ABBREV_6 = "GG";
  /**
   * The name of the eighth algorithm.
   */
  protected final static String ALGO_7 = "Self-Organizing Map";
  /**
   * The abbreviation of the eighth algorithm.
   */
  protected final static String ALGO_ABBREV_7 = "SOM";
  /**
   * The name of the first distribution.
   */
  protected final static String DISTRIB_0 = "Rectangle";
  /**
   * The name of the second distribution.
   */
  protected final static String DISTRIB_1 = "Circle";
  /**
   * The name of the third distribution.
   */
  protected final static String DISTRIB_2 = "Ring";
  /**
   * The name of the fourth distribution.
   */
  protected final static String DISTRIB_3 = "UNI";
  /**
   * The name of the fifth distribution.
   */
  protected final static String DISTRIB_4 = "Small Spirals";
  /**
   * The name of the sixth distribution.
   */
  protected final static String DISTRIB_5 = "Large Spirals";
  /**
   * The name of the seventh distribution.
   */
  protected final static String DISTRIB_6 = "HiLo Density";
  /**
   * The name of the eighth distribution.
   */
  protected final static String DISTRIB_7 = "Discrete";
  /**
   * The name of the ninth distribution.
   */
  protected final static String DISTRIB_8 = "UNIT";
  /**
   * The name of the tenth distribution.
   */
  protected final static String DISTRIB_9 = "Move & Jump";
  /**
   * The name of the eleventh distribution.
   */
  protected final static String DISTRIB_10 = "Move";
  /**
   * The name of the twelfth distribution.
   */
  protected final static String DISTRIB_11 = "Jump";
  /**
   * The name of the 13th distribution.
   */
  protected final static String DISTRIB_12 = "Right MouseB";
  /**
   * The name of the start button.
   */
  protected final static String BUTTON_0 = "Start";
  /**
   * The name of the stop button.
   */
  protected final static String BUTTON_1 = "Stop";
  /**
   * The name of the reset button.
   */
  protected final static String BUTTON_3 = "Reset";
  /**
   * The name of the signal checkbox.
   */
  protected final static String SIGNALS    	= " Signals";
  /**
   * The name of the no_new_nodes checkbox.
   */
  protected final static String NO_NEW_NODES 	= " No new Nodes";
  /**
   * The name of the utility checkbox.
   */
  protected final static String UTILITY_GNG 	= " Utility =";
  /**
   * The name of the LBG-U checkbox.
   */
  protected final static String LBG_U 	= " LBG-U";
  /**
   * The name of the sound checkbox.
   */
  protected final static String SOUND      	= " Sound";
  /**
   * The name of the hardcopy checkbox.
   */
  protected final static String WHITE      	= " White";
  /**
   * The name of the random-init checkbox.
   */
  protected final static String RNDINIT    	= " Random Init";
  /**
   * The name of the teach checkbox.
   */
  protected final static String TEACH      	= " Teach";
  /**
   * The name of the variable checkbox (HCL).
   */
  protected final static String VARIABLE   	= " Variable";
  /**
   * The name of the edges checkbox.
   */
  protected final static String EDGES   	= " Edges";
  /**
   * The name of the nodes checkbox.
   */
  protected final static String NODES   	= " Nodes";
  /**
   * The name of the error graph checkbox.
   */
  protected final static String ERRORGRAPH   = " Error Graph";
  /**
   * The name of the Voronoi checkbox.
   */
  protected final static String VORONOI   	= " Voronoi";
  /**
   * The name of the Delaunay checkbox.
   */
  protected final static String DELAUNAY   	= " Delaunay";
  ComputeGNG compute;
  Panel cards;
  Panel p11;
  Panel p71;
  Label epsilonHCL_lbl;
  Label epsiloniHCL_lbl;
  Label epsilonfHCL_lbl;
  Label tmaxHCL_lbl;
  Label nodes_lbl;
  Checkbox noNodes_cb;
  Checkbox utilityGNG_cb;
  Checkbox LBG_U_cb;
  Checkbox variable_cb;
  Checkbox errorGraph_cb;
  Choice algo_choice;
  Choice distrib_choice;
  Choice stepSize_choice;
  Choice speed_choice;
  Choice nodes_choice;
  Choice newNodeGNG_choice;
  Choice delEdgeGNG_choice;
  Choice epsilonGNG1_choice;
  Choice epsilonGNG2_choice;
  Choice alphaGNG_choice;
  Choice betaGNG_choice;
  Choice utilityGNG_choice;
  Choice epsilonHCL_choice;
  Choice epsiloniHCL_choice;
  Choice epsilonfHCL_choice;
  Choice tmaxHCL_choice;
  Choice lambdaiNG_choice;
  Choice lambdafNG_choice;
  Choice epsiloniNG_choice;
  Choice epsilonfNG_choice;
  Choice tmaxNG_choice;
  Choice lambdaiCHL_choice;
  Choice lambdafCHL_choice;
  Choice epsiloniCHL_choice;
  Choice epsilonfCHL_choice;
  Choice tmaxCHL_choice;
  Choice edgeiCHL_choice;
  Choice edgefCHL_choice;
  Choice discreteNumSignalsLBG_choice;
  Choice lambdagGG_choice;
  Choice lambdafGG_choice;
  Choice epsiloniGG_choice;
  Choice epsilonfGG_choice;
  Choice sigmaGG_choice;
  Choice epsiloniSOM_choice;
  Choice epsilonfSOM_choice;
  Choice sigmaiSOM_choice;
  Choice sigmafSOM_choice;
  Choice tmaxSOM_choice;
  Choice sizeSOM_choice;
  int sizeSOM_index = 0;
  Button start_b;
  Button stop_b;
  Button restart_b;
  /**
   * The array for the stepsize.
   *  To add or delete values to the choice, only this array must be changed.
   */
  protected int stepSize_Ai[] = {50, 1, 2, 5, 10, 20, 40,
								 80, 100, 150, compute.MAX_STEPSIZE};
  /**
   * The array for the machine speed.
   *  To add or delete values to the choice, change this array and speed_As[].
   */
  protected int speed_Ai[] = {150, 10, 20, 50, 100, 200, 300, 400};
  /**
   * The array for the machine speed names.
   *  To add or delete values to the choice, change this array and speed_Ai.
   */
  protected String speed_As[] = {"Normal", "Lightning", "Very fast", "Fast",
								 "Medium fast", "Medium slow", "Slow",
								 "Very slow"};
  /**
   * The array for the maximum number of nodes.
   *  To add or delete values to the choice, only this array must be changed.
   */
  protected int nodes_Ai[] = {100, 1, 2, 3, 4, 5, 10, 20, 50, 150,
							  200, compute.MAX_NODES};
  /**
   * The array for the maximum age of an edge.
   *  To add or delete values to the choice, only this array must be changed.
   */
  protected int delEdgeGNG_Ai[] = {88, 10, 20, 50, 100, 200, 400, 800};