public List <double[]> extract(Bitmap image, string detector)
{
CLD_Descriptor cldLocal = new CLD_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 CLD_Local
Rectangle cloneRect;
Bitmap bmpCrop;
double[] result;
int[] Y = new int[64];
int[] Cb = new int[64];
int[] Cr = new int[64];
List <double[]> tilesDescriptors = new List <double[]>();
foreach (Keypoint myKeypoint in keypointsList)
{
result = new double[3 * 64];
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));
cldLocal.Apply(new Bitmap(bmpCrop));
Y = cldLocal.YCoeff;
Cb = cldLocal.CbCoeff;
Cr = cldLocal.CrCoeff;
for (int i = 0; i < 64; i++)
{
result[i] = Y[i];
result[64 + i] = Cb[i];
result[2 * 64 + i] = Cr[i];
}
tilesDescriptors.Add(result);
}
#endregion
return(tilesDescriptors);
}
public List<double[]> extract(Bitmap image, string detector)
{
CLD_Descriptor cldLocal = new CLD_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 CLD_Local
Rectangle cloneRect;
Bitmap bmpCrop;
double[] result;
int[] Y = new int[64];
int[] Cb = new int[64];
int[] Cr = new int[64];
List<double[]> tilesDescriptors = new List<double[]>();
foreach (Keypoint myKeypoint in keypointsList)
{
result = new double[3 * 64];
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));
cldLocal.Apply(new Bitmap(bmpCrop));
Y = cldLocal.YCoeff;
Cb = cldLocal.CbCoeff;
Cr = cldLocal.CrCoeff;
for (int i = 0; i < 64; i++ )
{
result[i] = Y[i];
result[64 + i] = Cb[i];
result[2 * 64 + i] = Cr[i];
}
tilesDescriptors.Add(result);
}
#endregion
return tilesDescriptors;
}