/// <summary>
/// Creates template from the input image by using provided parameters.
/// </summary>
/// <param name="sourceImage">Input image.</param>
/// <param name="minFeatureStrength">Minimum gradient value for the feature.</param>
/// <param name="maxNumberOfFeatures">Maximum number of features per template. The features will be extracted so that their locations are semi-uniformly spread.</param>
/// <param name="classLabel">Template class label.</param>
public override void Initialize(Gray<byte>[,] sourceImage, int minFeatureStrength, int maxNumberOfFeatures, string classLabel)
{
base.Initialize(sourceImage, minFeatureStrength, maxNumberOfFeatures, classLabel);
this.BinaryMask = sourceImage.Clone(BoundingRect);
if (this.BinaryMask[0, 0].Intensity != 0) //background should be black
BinaryMask = this.BinaryMask.Not();
this.BinaryMask = this.BinaryMask.ThresholdToZero((byte)(255 * 0.75), (byte)255); //if Gauss kernel was applied...
}