public KMCPoint GetMean(LockedBitmap FrameBuffer, List <KMCPoint> Centroids)
{
double Mean_X = 0, Mean_Y = 0;
for (int Index = 0; Index < Centroids.Count(); Index++)
{
Mean_X += Centroids[Index].X / (double)Centroids.Count();
Mean_Y += Centroids[Index].Y / (double)Centroids.Count();
}
int X = Convert.ToInt32(Mean_X);
int Y = Convert.ToInt32(Mean_Y);
FrameBuffer.LockBits();
Color Clr = FrameBuffer.GetPixel(X, Y);
FrameBuffer.UnlockBits();
return(new KMCPoint(X, Y, Clr));
}
public void Generate(ref List <KMCPoint> Centroids, LockedBitmap ImageFrame, int distancia, int deslocamento)
{
int Size = ImageFrame.Width * ImageFrame.Height;
ImageFrame.LockBits();
for (int IterCount = 0; IterCount < Size; IterCount++)
{
int Rand_X = rand.Next(0, ImageFrame.Width);
int Rand_Y = rand.Next(0, ImageFrame.Height);
KMCPoint RandPoint = new KMCPoint(Rand_X,
Rand_Y, ImageFrame.GetPixel(Rand_X, Rand_Y));
if (!IsValidColor(Centroids, RandPoint, deslocamento) && !IsValidDistance(Centroids, RandPoint, distancia))
{
if (!Centroids.Contains(RandPoint))
{
Centroids.Add(RandPoint);
}
}
}
ImageFrame.UnlockBits();
}
public void Compute(Bitmap InputFile, out Bitmap OutputFile)
{
m_Clusters.Init(InputFile, distancia, deslocamento);
LockedBitmap ResultBitmap = new LockedBitmap(m_Clusters[0].Imagem.Width, m_Clusters[0].Imagem.Height);
int FrameIndex = 0;
for (int i = 0; i < m_Clusters.Count(); i++)
{
List <KMCPoint> Centroids = m_Clusters[i].Centroids.ToList();
LockedBitmap FrameBuffer = new LockedBitmap(m_Clusters[i].Imagem.bitmap);
FrameBuffer.LockBits();
for (int j = 0; j < Centroids.Count(); j++)
{
int Width = FrameBuffer.Width;
int Height = FrameBuffer.Height;
LockedBitmap TargetFrame = new LockedBitmap(FrameBuffer.Width, FrameBuffer.Height);
TargetFrame.LockBits();
for (int y = 0; y < Width; y++)
{
for (int x = 0; x < Height; x++)
{
double OffsetClr = GetEuclClr(new KMCPoint(y, x, FrameBuffer.GetPixel(y, x)),
new KMCPoint(Centroids[j].X, Centroids[j].Y, Centroids[j].Clr));
if (OffsetClr <= 50)
{
TargetFrame.SetPixel(y, x, Centroids[j].Clr);
}
else
{
TargetFrame.SetPixel(y, x, Color.FromArgb(255, 255, 255));
}
}
}
TargetFrame.UnlockBits();
List <KMCPoint> Targetjs = new List <KMCPoint>();
Targetjs.Add(Centroids[0]);
KMCPoint Mean = m_Clusters.GetMean(TargetFrame, Targetjs);
if (Mean.X != m_Clusters[i].Centro.X && Mean.Y != m_Clusters[i].Centro.Y)
{
m_Clusters.Add(TargetFrame, Targetjs, Mean);
}
FrameIndex++;
}
FrameBuffer.UnlockBits();
}
ResultBitmap.LockBits();
for (int Index = 0; Index < m_Clusters.Count(); Index++)
{
LockedBitmap FrameOut = new LockedBitmap(m_Clusters[Index].Imagem.bitmap);
FrameOut.LockBits();
int Width = FrameOut.Width, Height = FrameOut.Height;
for (int y = 0; y < Width; y++)
{
for (int x = 0; x < Height; x++)
{
if (FrameOut.GetPixel(y, x) != Color.FromArgb(255, 255, 255))
{
ResultBitmap.SetPixel(y, x, FrameOut.GetPixel(y, x));
}
}
}
FrameOut.UnlockBits();
}
ResultBitmap.UnlockBits();
OutputFile = ResultBitmap.getBitMap();
}