public List<double[]> extract(Bitmap image, string detector)
{
SCD_Descriptor scdLocal = new SCD_Descriptor();
Bitmap bmpImage = new Bitmap(image);
createPoints pointsCreator = new createPoints();
List<Keypoint> keypointsList = null;
if (detector == "SURF")
keypointsList = pointsCreator.usingSurf(image);
else if (detector == "SIFT")
keypointsList = pointsCreator.usingSift(image);
else
throw new Exception("Cannot recognize Detector");
#region SCD_Local
Rectangle cloneRect;
Bitmap bmpCrop;
double[] scdDescriptor = new double[256];
List<double[]> tilesDescriptors = new List<double[]>();
foreach (Keypoint myKeypoint in keypointsList)
{
cloneRect = new Rectangle((int)(myKeypoint.X - (int)myKeypoint.Size / 2), (int)(myKeypoint.Y - (int)myKeypoint.Size / 2), (int)myKeypoint.Size, (int)myKeypoint.Size);
bmpCrop = new Bitmap(bmpImage.Clone(cloneRect, bmpImage.PixelFormat));
scdLocal.Apply(new Bitmap(bmpCrop), 256, 0);
scdDescriptor = scdLocal.Norm4BitHistogram;
tilesDescriptors.Add(scdDescriptor);
}
#endregion
return tilesDescriptors;
}
public List <double[]> extract(Bitmap image, string detector)
{
SCD_Descriptor scdLocal = new SCD_Descriptor();
Bitmap bmpImage = new Bitmap(image);
createPoints pointsCreator = new createPoints();
List <Keypoint> keypointsList = null;
if (detector == "SURF")
{
keypointsList = pointsCreator.usingSurf(image);
}
else if (detector == "SIFT")
{
keypointsList = pointsCreator.usingSift(image);
}
else
{
throw new Exception("Cannot recognize Detector");
}
#region SCD_Local
Rectangle cloneRect;
Bitmap bmpCrop;
double[] scdDescriptor = new double[256];
List <double[]> tilesDescriptors = new List <double[]>();
foreach (Keypoint myKeypoint in keypointsList)
{
cloneRect = new Rectangle((int)(myKeypoint.X - (int)myKeypoint.Size / 2), (int)(myKeypoint.Y - (int)myKeypoint.Size / 2), (int)myKeypoint.Size, (int)myKeypoint.Size);
bmpCrop = new Bitmap(bmpImage.Clone(cloneRect, bmpImage.PixelFormat));
scdLocal.Apply(new Bitmap(bmpCrop), 256, 0);
scdDescriptor = scdLocal.Norm4BitHistogram;
tilesDescriptors.Add(scdDescriptor);
}
#endregion
return(tilesDescriptors);
}
