private void init()
{
var path = Path.Combine(Directory.GetParent(Environment.CurrentDirectory).FullName, "Resources", "PrototypeTemplatesBW");
var generatedScales = EnumerableExtensions.GetRange(60, 170, 3);
var generatedOrientations = EnumerableExtensions.GetRange(-90, +90, (int)((180f / GlobalParameters.NUM_OF_QUNATIZED_ORIENTATIONS) / 2 / 2 /*user factor - last "2"*/));
Console.WriteLine("Generating templates.... Please wait!");
var templates = OpenHandTemplate.CreateRange(path, "*.bmp", generatedScales, generatedOrientations);
ModelRepository.Initialize(templates);
//drawTemplatesToFiles(templates, "C:/generatedTemplates");
Console.WriteLine("Initializing particle filter!");
particleFilter = ParticleFilter.UnifromParticleSpreadInitializer(
NUMBER_OF_PARTICLES,
new DoubleRange[]
{
//template type
new DoubleRange(0, ModelRepository.PrototypeCount - 1),
//scale
new DoubleRange(70, 150),
//rotation
new DoubleRange(-15, 15)
},
ModelParticle.FromParameters).ToList();
initialParticles = particleFilter.Select(x => (ModelParticle)x.Clone()).ToList();
resetClock = new Stopwatch(); resetClock.Start();
}
private static ITemplate create(IEnumerable <PointF> normalizedPoints,
int scale,
int rotation,
string label = "")
{
var pointTransform = Transforms2D.Combine
(
Transforms2D.Scale(scale, scale),
Transforms2D.Rotation((float)Angle.ToRadians(rotation))
);
var transformedPts = normalizedPoints.Transform(pointTransform).ToList();
var boundingRect = transformedPts.BoundingRect();
var offset = boundingRect.Location;
transformedPts = transformedPts.Transform(Transforms2D.Translation(-offset.X, -offset.Y)).ToList();
var template = new OpenHandTemplate();
var features = new List <Feature>();
//var validIdxRange = CardinalSpline.ValidIndicesRange(transformedPts.Count);
//for (int i = validIdxRange.Min; i <= validIdxRange.Max; i++)
for (int i = CardinalSpline.MIN_INDEX; i < (transformedPts.Count - 1 - CardinalSpline.MAX_INDEX_OFFSET); i++)
{
var intPt = transformedPts[i].Round();
var direction = CardinalSpline.NormalAt(transformedPts, CONTOUR_TENSION, i);
var orientDeg = (int)Angle.ToDegrees(Math.Atan2(direction.Y, direction.X));
orientDeg = (int)Angle.NormalizeDegrees(orientDeg + 180);
var feature = createFeature(intPt.X, intPt.Y, orientDeg);
features.Add(feature);
}
template.Features = features.ToArray();
template.Size = Size.Round(boundingRect.Size);
template.ClassLabel = label;
return(template);
}
private static ITemplate create(IEnumerable<PointF> normalizedPoints,
int scale,
int rotation,
string label = "")
{
var pointTransform = Transforms2D.Combine
(
Transforms2D.Scale(scale, scale),
Transforms2D.Rotation((float)Angle.ToRadians(rotation))
);
var transformedPts = normalizedPoints.Transform(pointTransform).ToList();
var boundingRect = transformedPts.BoundingRect();
var offset = boundingRect.Location;
transformedPts = transformedPts.Transform(Transforms2D.Translation(-offset.X, -offset.Y)).ToList();
var template = new OpenHandTemplate();
var features = new List<Feature>();
//var validIdxRange = CardinalSpline.ValidIndicesRange(transformedPts.Count);
//for (int i = validIdxRange.Min; i <= validIdxRange.Max; i++)
for (int i = CardinalSpline.MIN_INDEX; i < (transformedPts.Count - 1 - CardinalSpline.MAX_INDEX_OFFSET); i++)
{
var intPt = transformedPts[i].Round();
var direction = CardinalSpline.NormalAt(transformedPts, CONTOUR_TENSION, i);
var orientDeg = (int)Angle.ToDegrees(Math.Atan2(direction.Y, direction.X));
orientDeg = (int)Angle.NormalizeDegrees(orientDeg + 180);
var feature = createFeature(intPt.X, intPt.Y, orientDeg);
features.Add(feature);
}
template.Features = features.ToArray();
template.Size = Size.Round(boundingRect.Size);
template.ClassLabel = label;
return template;
}