/// <summary>
/// Manejador del evento RecognizingCharacteristicChecked de la base de datos de caracteres.
/// </summary>
/// <param name="sender">El objeto que envio el evento.</param>
/// <param name="args">Los argumentos del evento.</param>
private void OnProcessingStepDone(object sender,
StepDoneArgs args)
{
MessageLogSentInvoker(args.Message);
SuspendByStep();
}
/// <summary>
/// Creates a <see cref="TristateCheckVector"/> instance for a given
/// <c>FloatBitmap</c> object.
/// </summary>
/// <param name="image">
/// A <see cref="FloatBitmap"/> for which the vector is created.
/// </param>
/// <returns>
/// The <see cref="TristateCheckVector"/> for the image.
/// </returns>
private TristateCheckVector CreateVector(FloatBitmap image)
{
// We create the receptors list.
if (receptors == null)
{
receptors = Receptor.GenerateList(40);
}
TristateCheckVector vector = new TristateCheckVector();
TristateValue checkValue;
foreach (Receptor receptor in receptors)
{
checkValue =
receptor.CheckBressard(image)?
TristateValue.True:TristateValue.False;
vector.Values.Add(checkValue);
StepDoneArgs args =
new StepDoneArgs(String.Format("Comprobando receptor {0}: {1}",
String.Format("({0}, {1}) -> ({2}, {3})",
receptor.X0, receptor.Y0,
receptor.X1, receptor.Y1),
checkValue));
StepDoneInvoker(args);
Thread.Sleep(20);
}
foreach (BinaryCharacteristic characteristic in characteristics)
{
checkValue =
characteristic.Apply(image)?
TristateValue.True
: TristateValue.False;
vector.Values.Add(checkValue);
StepDoneArgs args =
new StepDoneArgs(String.Format("Comprobando característica {0}: {1}",
characteristic.GetType().ToString(),
checkValue));
StepDoneInvoker(args);
Thread.Sleep(20);
}
return(vector);
}
/// <summary>
/// Con este metodos almacenamos un nuevo simbolo en la base de
/// datos.
///
/// Lanza <c>DuplicateSymbolException</c> si ya existe un simbolo
/// con la misma etiqueta y caracteristicas binarias en la base de datos.
/// </summary>
/// <param name="bitmap">
/// La imagen cuyas caracteristicas aprenderemos.
/// </param>
/// <param name="symbol">
/// El simbolo que representa a la imagen.
///</param>
public override bool Learn(MathTextBitmap bitmap, MathSymbol symbol)
{
if (characteristics == null)
{
characteristics = CharacteristicFactory.CreateCharacteristicList();
}
CharacteristicNode node = rootNode;
bool characteristicValue;
FloatBitmap processedBitmap = bitmap.LastProcessedImage;
// Recorremos las caracteristicas, y vamos creando el arbol segun
// vamos necesitando nodos.
foreach (BinaryCharacteristic bc in characteristics)
{
if (characteristicValue = bc.Apply(processedBitmap))
{
if (node.TrueTree == null)
{
node.TrueTree = new CharacteristicNode();
}
node = node.TrueTree;
}
else
{
if (node.FalseTree == null)
{
node.FalseTree = new CharacteristicNode();
}
node = node.FalseTree;
}
StepDoneArgs a =
CreateStepDoneArgs(bc, characteristicValue, null);
this.StepDoneInvoker(a);
}
return(node.AddSymbol(symbol));
}
/// <summary>
/// Creates a <c>CharacteristicVector</c> instance for a given
/// <c>FloatBitmap</c> object.
/// </summary>
/// <param name="image">
/// A <see cref="FloatBitmap"/>
/// </param>
/// <returns>
/// A <see cref="CharacteristicVector"/>
/// </returns>
private CheckVector CreateVector(FloatBitmap image)
{
CheckVector vector = new CheckVector();
bool characteristicValue;
foreach (BinaryCharacteristic bc in characteristics)
{
characteristicValue = bc.Apply(image);
vector.Values.Add(characteristicValue);
StepDoneArgs args =
new StepDoneArgs(String.Format("Comprobando {0}: {1}",
bc.GetType(),
characteristicValue));
StepDoneInvoker(args);
}
return(vector);
}
/// <summary>
/// Metodo que maneja el evento provocado al completarse un paso
/// del proceso durante el aprendizaje.
/// </summary>
/// <param name="sender">
/// A <see cref="System.Object"/>
/// </param>
/// <param name="arg">
/// A <see cref="ProcessingStepDoneArgs"/>
/// </param>
private void OnLearningStepDone(object sender, StepDoneArgs args)
{
Application.Invoke(sender,
args,
delegate(object resender, EventArgs a)
{
if (stepByStep)
{
nextButtonsHB.Sensitive = true;
btnNext.IsFocus = true;
}
StepDoneArgs arg = (StepDoneArgs)a;
btnNext.Sensitive = true;
LogLine(arg.Message);
});
if (stepByStep)
{
learningThread.Suspend();
}
}
/// <summary>
/// Creates a <c>CharacteristicVector</c> instance for a given
/// <c>FloatBitmap</c> object.
/// </summary>
/// <param name="image">
/// A <see cref="FloatBitmap"/>
/// </param>
/// <returns>
/// A <see cref="CharacteristicVector"/>
/// </returns>
private CheckVector CreateVector(FloatBitmap image)
{
CheckVector vector = new CheckVector();
bool characteristicValue;
foreach(BinaryCharacteristic bc in characteristics)
{
characteristicValue = bc.Apply(image);
vector.Values.Add(characteristicValue);
StepDoneArgs args =
new StepDoneArgs(String.Format("Comprobando {0}: {1}",
bc.GetType(),
characteristicValue));
StepDoneInvoker(args);
}
return vector;
}
