void TeachBtnClick(object sender, EventArgs e)
{
string sizeStr = teachingSetSizeTextBox.Text;
int teachingSetSize = 100;
try
{
teachingSetSize = Convert.ToInt32(sizeStr);
if (teachingSetSize <= 0)
{
throw new FormatException();
}
}
catch (FormatException)
{
MessageBox.Show("Teaching set size should be a positive integer", "Wrong Teaching Set Size");
return;
}
oneLayerNetwork.SetRandomWeights();
IList <NetworkTeachingPair> teachingSet = PatternDictionary.GetInstance().GenerateTeachingSetOfSize(teachingSetSize);
oneLayerNetwork.Teach(teachingSet, Commons.TEACHING_RATIO);
errorProbabilityTextBox.Text = oneLayerNetwork.CalculateErrorProbability(teachingSet).ToString();
//oneLayerNetwork.TeachContinuously(teachingSet, Commons.TEACHING_RATIO);
MessageBox.Show("Taught successfully.", "Neural Network Training Completed");
}
private void LoadSavedPatterns()
{
ICollection <string> keys = PatternDictionary.GetInstance().Entries.Keys;
foreach (string key in keys)
{
patternListBox.Items.Add(key);
}
}
void ShowBtnClick(object sender, EventArgs e)
{
object selectedItem = patternsComboBox.SelectedItem;
if (selectedItem != null && selectedItem.ToString().Trim().Length != 0)
{
string patternName = selectedItem.ToString();
NetworkTeachingPair dictPair = PatternDictionary.GetInstance().GetTeachingPairForPattern(patternName);
patternInput.LoadPattern(dictPair.Input);
}
}
void PatternListBoxSelectedIndexChanged(object sender, EventArgs e)
{
object selectedItem = patternListBox.SelectedItem;
if (selectedItem != null)
{
string patternName = selectedItem.ToString();
double[] pattern = PatternDictionary.GetInstance().GetTeachingPairForPattern(patternName).Input;
patternInputLabelTable.LoadPattern(pattern);
patternNameTextBox.Text = patternName;
}
}
void CorrectBtnClick(object sender, EventArgs e)
{
object selectedItem = patternsComboBox.SelectedItem;
if (selectedItem != null && selectedItem.ToString().Trim().Length != 0)
{
string patternName = selectedItem.ToString();
NetworkTeachingPair dictPair = PatternDictionary.GetInstance().GetTeachingPairForPattern(patternName);
double[] currentPattern = patternInput.GetNetworkInput();
oneLayerNetwork.Teach(new NetworkTeachingPair(currentPattern, dictPair.Output), Commons.TEACHING_RATIO);
MessageBox.Show("Taught successfully.", "Correction Completed");
}
}
void RecognizeBtnClick(object sender, EventArgs e)
{
PatternDictionary dict = PatternDictionary.GetInstance();
double[] input = patternInput.GetNetworkInput();
double[] output = oneLayerNetwork.FireSignal(input);
string patternName = dict.FindPatternName(output);
recognizedByOneLayerTextBox.Text = patternName != null ? patternName : "Not recognized properly";
output = twoLayerNetwork.FireSignal(input);
patternName = dict.FindPatternName(output);
recognizedByTwoLayerTextBox.Text = patternName != null ? patternName : "Not recognized properly";
}
void PutPatternBtnClick(object sender, EventArgs e)
{
string patternName = patternNameTextBox.Text;
if (patternName == null || patternName.Trim(' ').Length == 0)
{
MessageBox.Show("Pattern name is empty. Please fill the field.", "Can't add pattern");
}
else
{
double[] input = patternInputLabelTable.GetNetworkInput();
PatternDictionary.GetInstance().PutPattern(patternName, input);
if (log.IsDebugEnabled)
{
log.Debug(input.GetContentsString());
}
if (!patternListBox.Items.Contains(patternName))
{
patternListBox.Items.Add(patternName);
}
}
patternNameTextBox.Text = "";
patternInputLabelTable.SetColor(Commons.BACK_COLOR);
}
void RemovePatternBtnClick(object sender, EventArgs e)
{
object selectedItem = patternListBox.SelectedItem;
if (selectedItem != null)
{
string patternName = selectedItem.ToString();
DialogResult dialogResult = MessageBox.Show("Are you sure you want to remove the selected pattern?", "Remove Pattern", MessageBoxButtons.YesNoCancel);
switch (dialogResult)
{
case DialogResult.Yes:
PatternDictionary.GetInstance().RemovePattern(patternName);
patternListBox.Items.Remove(patternName);
patternInputLabelTable.Clear();
break;
default: return;
}
}
else
{
MessageBox.Show("Please select pattern to remove first.", "Remove Pattern");
}
}
private void FillPatternComboBox()
{
patternsComboBox.Items.Clear();
patternsComboBox.Items.AddRange(PatternDictionary.GetInstance().Entries.Keys.ToArray());
}
