/// <summary>
/// Charge la définition d'un classifieur depuis un fichier
/// </summary>
public static StrongClassifier LoadFromFile(string Path)
{
var asm = Assembly.GetExecutingAssembly();
Func<string, WeakClassifier> RestoreClassifier = (str) => {
string[] vals = str.Split(';');
var alpha = double.Parse(vals[0]);
var threshold = int.Parse(vals[1]);
var parity = sbyte.Parse(vals[2]);
var featureType = asm.GetType(vals[3]);
//if (!(featureType is IFeature)) { Console.WriteLine(featureType);
// throw new Exception("Invalid feature type"); }
var featureX = int.Parse(vals[4]);
var featureY = int.Parse(vals[5]);
var featureWidth = int.Parse(vals[6]);
var featureHeight = int.Parse(vals[7]);
var featureFrame = new Rectangle(new Point(featureX, featureY),
featureWidth, featureHeight);
var feature = (IFeature) Activator.CreateInstance(featureType, featureFrame);
return new WeakClassifier(alpha, threshold, parity, feature);
};
var classifiers = File.ReadAllLines(Path).Select(RestoreClassifier)
.ToArray();
return new StrongClassifier(classifiers);
}
/// <summary>
/// Retourne un nouveau rectangle dont les coordonnées sont celles du
/// rectangle en cours relative à celle d'un rectangle parent.
/// </summary>
public Rectangle NestedRectangle(Rectangle Parent)
{
return new Rectangle(this.TopLeft.NestedPoint(Parent.TopLeft),
this.Width, this.Height);
}
public TwoVerticalRectanglesFeature(Rectangle Frame)
{
this.Frame = Frame;
}
public FourRectanglesFeature(Rectangle Frame)
{
this.Frame = Frame;
}
public TwoHorizontalRectanglesFeature(Rectangle Frame)
{
this.Frame = Frame;
}