private void btnSearch_Click(object sender, EventArgs e)
{
lvClusters.Items.Clear();
lvClusters.Refresh();
int k = Application.StartupPath.IndexOf("\\bin");
string sub = Application.StartupPath.Substring(k);
string ImagePath = Application.StartupPath.Substring(0, Application.StartupPath.Length - sub.Length) + "\\AnhData";
//DirectoryInfo directoryInfo;
//FileInfo[] files;
try
{
//directoryInfo = new DirectoryInfo(ImagePath);
//files = directoryInfo.GetFiles("*.png", SearchOption.AllDirectories);
//exit = false;
Database db = new Database();
DataTable dt = db.RunProcedureGet("usp_ImageGetAll");
var processImagesDelegate = new ProcessImagesDelegate(ProcessImages);
processImagesDelegate.BeginInvoke(dt, null, null);
}
catch (DirectoryNotFoundException)
{
MessageBox.Show("Path not valid.", "Invalid path", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
catch (ArgumentException)
{
MessageBox.Show("Path not valid.", "Invalid path", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
private void LoadImageFromDB()
{
int k = Application.StartupPath.IndexOf("\\bin");
string sub = Application.StartupPath.Substring(k);
string ImagePath = Application.StartupPath.Substring(0, Application.StartupPath.Length - sub.Length);
Database db = new Database();
DataTable dt=db.RunProcedureGet("usp_ImageGetAll");
ImageList imglist = new ImageList();
foreach (DataRow row in dt.Rows)
{
Image image= Image.FromFile(ImagePath+row["Url"].ToString());
imglist.Images.Add(image);
lvImageDB.Items.Add(new ListViewItem(row["ImageName"].ToString()));
}
imglist.ImageSize = new System.Drawing.Size(200, 200);
lvImageDB.LargeImageList = imglist;
for (int i=0; i < lvImageDB.Items.Count; i++)
{
lvImageDB.Items[i].ImageIndex = i;
}
lvImageDB.Refresh();
}
// This method will run on a thread other than the UI thread.
// Be sure not to manipulate any Windows Forms controls created
// on the UI thread from this method.
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
Database dataBase = new Database();
backgroundWorker.ReportProgress(0, "Working...");
filteredImage = (Bitmap)picPreview.Image.Clone();
int numClusters = (int)txtNumClusters.Value;
int maxIterations = (int)txtIterations.Value;
double accuracy = 0.00001;
List<ClusterPoint> points = new List<ClusterPoint>();
for (int row = 0; row < originalImage.Width; ++row)
{
for (int col = 0; col < originalImage.Height; ++col)
{
Color c2 = originalImage.GetPixel(row, col);
points.Add(new ClusterPoint(row, col, c2));
}
}
List<ClusterCentroid> centroids = new List<ClusterCentroid>();
//Create random points to use a the cluster centroids
Random random = new Random();
for (int i = 0; i < numClusters; i++)
{
int randomNumber1 = random.Next(sourceImage.Width);
int randomNumber2 = random.Next(sourceImage.Height);
centroids.Add(new ClusterCentroid(randomNumber1, randomNumber2, filteredImage.GetPixel(randomNumber1, randomNumber2)));
}
/*foreach (ClusterPoint p in points)
{
List<SqlParameter> listParam = new List<SqlParameter>(4);
listParam.Add(new SqlParameter("@x",p.X));
listParam.Add(new SqlParameter("@y", p.Y));
listParam.Add(new SqlParameter("@Color", p.PixelColor.ToArgb()));
listParam.Add(new SqlParameter("@ImageId ", 1));
dataBase.RunProcedure("usp_ClusterPointsInsert", listParam.ToArray());
}*/
KMeansAlgorithm alg = new KMeansAlgorithm(points, centroids, 2, filteredImage, (int)txtNumClusters.Value);
int k = 0;
do
{
if ((backgroundWorker.CancellationPending == true))
{
e.Cancel = true;
break;
}
else
{
k++;
alg.J = alg.CalculateObjectiveFunction();
alg.CalculateClusterCentroids();
alg.Step();
double Jnew = alg.CalculateObjectiveFunction();
Console.WriteLine("Run method i={0} accuracy = {1} delta={2}", k, alg.J, Math.Abs(alg.J - Jnew));
toolStripStatusLabel2.Text = "Precision " + Math.Abs(alg.J - Jnew);
// Format and display the TimeSpan value.
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", stopWatch.Elapsed.Hours, stopWatch.Elapsed.Minutes, stopWatch.Elapsed.Seconds, stopWatch.Elapsed.Milliseconds / 10);
toolStripStatusLabel3.Text = "Duration: " + elapsedTime;
picProcessed.Image = (Bitmap)alg.getProcessedImage;
backgroundWorker.ReportProgress((100 * k) / maxIterations, "Iteration " + k);
if (Math.Abs(alg.J - Jnew) < accuracy) break;
}
}
while (maxIterations > k);
Console.WriteLine("Done.");
stopWatch.Stop();
// Get the elapsed time as a TimeSpan value.
TimeSpan ts = stopWatch.Elapsed;
// Save the segmented image
picProcessed.Image = (Bitmap)alg.getProcessedImage.Clone();
// Create a new image for each cluster in order to extract the features from the original image
double[,] Matrix = alg.U;
Bitmap[] bmapArray = new Bitmap[centroids.Count];
for (int i = 0; i < centroids.Count; i++)
{
bmapArray[i] = new Bitmap(sourceImage.Width, sourceImage.Height, PixelFormat.Format32bppRgb);
}
for (int j = 0; j < points.Count; j++)
{
for (int i = 0; i < centroids.Count; i++)
{
ClusterPoint p = points[j];
if (Matrix[j, i] == p.ClusterIndex)
{
bmapArray[i].SetPixel((int)p.X, (int)p.Y, p.OriginalPixelColor);
}
}
}
k = Application.StartupPath.IndexOf("\\bin");
string sub = Application.StartupPath.Substring(k);
string ImagePath = Application.StartupPath.Substring(0, Application.StartupPath.Length - sub.Length) + "\\AnhData\\";
DirectoryInfo dirInfo = new DirectoryInfo(ImagePath);
if (dirInfo.Exists)
dirInfo.Create();
List<SqlParameter> listParam = new List<SqlParameter>(4);
string imageName = ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1);
listParam.Add(new SqlParameter("@ImageName", imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) + "_segmented.png"));
listParam.Add(new SqlParameter("@Url", "\\AnhData\\" + imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) + "_segmented.png"));
listParam.Add(new SqlParameter("@Width", picPreview.Image.Width));
listParam.Add(new SqlParameter("@Height", picPreview.Image.Height));
dataBase.RunProcedure("usp_ImageInsert", listParam.ToArray());
alg.getProcessedImage.Save(ImagePath + imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) + "_segmented.png");
// Save the image for each segmented cluster
for (int i = 0; i < centroids.Count; i++)
{
bmapArray[i].Save(ImagePath + imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) + "_" + i + ".png");
List<SqlParameter> listParam1 = new List<SqlParameter>(4);
listParam1.Add(new SqlParameter("@ImageName", imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) + "_" + i + ".png"));
listParam1.Add(new SqlParameter("@Url", "\\AnhData\\" + imageName.Substring(0, ofdCluster.FileName.Substring(ofdCluster.FileName.LastIndexOf(@"\") + 1).Length - imageName.Substring(imageName.LastIndexOf(".")).Length) +"_" + i + ".png"));
listParam1.Add(new SqlParameter("@Width", picPreview.Image.Width));
listParam1.Add(new SqlParameter("@Height", picPreview.Image.Height));
dataBase.RunProcedure("usp_ImageInsert", listParam1.ToArray());
/*DataTable dt = dataBase.RunProcedureGet("usp_ImageGetAfterInsert");
if (dt.Rows.Count > 0)
{
List<SqlParameter> listParam1 = new List<SqlParameter>(4);
listParam1.Add(new SqlParameter("@x", centroids[i].X));
listParam1.Add(new SqlParameter("@y", centroids[i].Y));
listParam1.Add(new SqlParameter("@Color", centroids[i].PixelColor.ToArgb()));
listParam1.Add(new SqlParameter("@ImageId ", dt.Rows[0][0]));
dataBase.RunProcedure("usp_ClusterCentroidsInsert", listParam1.ToArray());
}*/
}
// Resource cleanup...more work to do here to avoid memory problems!!!
backgroundWorker.ReportProgress(100, "Done in " + k + " iterations.");
////alg.Dispose();
for (int i = 0; i < points.Count; i++)
{
points[i] = null;
}
for (int i = 0; i < centroids.Count; i++)
{
centroids[i] = null;
}
alg = null;
//centroids.Clear();
//points.Clear();
}
