private void KNN_Button_Click(object sender, RoutedEventArgs e)
{
imgrid.Source = null;
KNN knn = new KNN();
List <GistData> trainSamples = new List <GistData>();
List <GistData> testSamples = new List <GistData>();
List <GistData> trainClasses = new List <GistData>();
int fakeSimilar = 0;
foreach (var item in globalgistdatalist)
{
if (fakeSimilar % 3 == 2)
{
item.IsSimilar = 0; //no comment, will go to testSamples
}
else if (fakeSimilar % 3 == 1)
{
item.IsSimilar = 1; //like, Will go to trainSamples
}
else if (fakeSimilar % 3 == 0)
{
item.IsSimilar = -1; //dislike, Will go to trainSamples
}
Console.WriteLine("Before KNN: " + item.filename + " " + item.IsSimilar);
fakeSimilar++;
if (item.IsSimilar == 0)
{
testSamples.Add(item);
}
else
{
trainSamples.Add(item);
}
}
trainClasses = knn.TestKnnCase(trainSamples, testSamples, 3, 0.5);
globalgistdatalist.Clear();
globalgistdatalist.AddRange(trainClasses);
globalgistdatalist.AddRange(trainSamples);
Console.WriteLine(globalgistdatalist.Count());
//sp1.Children.Clear();
lv1.Items.Clear();
globalgistdatalist = globalgistdatalist.OrderByDescending(o => o.IsSimilar).ThenBy(o => o.distance).ToList();
//Now load the files in the stack panel
for (int j = 0; j < globalgistdatalist.Count; j++)
{
if (j > 0)
{
if (globalgistdatalist[j].filename == globalgistdatalist[j - 1].filename && globalgistdatalist[j].distance == globalgistdatalist[j - 1].distance)
{
continue;
}
}
Image img = new Image();
BitmapImage source = new BitmapImage();
source.BeginInit();
source.UriSource = new Uri(globalgistdatalist[j].filename, UriKind.Relative);
source.CacheOption = BitmapCacheOption.OnLoad;
source.DecodePixelWidth = 200;
source.DecodePixelHeight = 200;
source.EndInit();
img.Source = source;
img.Stretch = Stretch.Uniform;
int qq = source.PixelHeight; // Image loads here
System.Windows.Controls.ToolTip tooltip = new System.Windows.Controls.ToolTip();
tooltip.Content = globalgistdatalist[j].metadata;
img.ToolTip = tooltip;
//sp1.Children.Add(img);
System.Windows.Controls.RadioButton radio1like = new System.Windows.Controls.RadioButton();
System.Windows.Controls.RadioButton radio2dislike = new System.Windows.Controls.RadioButton();
radio1like.VerticalAlignment = VerticalAlignment.Bottom;
radio1like.Content = "Yes";
radio2dislike.VerticalAlignment = VerticalAlignment.Bottom;
radio2dislike.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
radio2dislike.Content = "No";
var grid = new Grid();
grid.Children.Add(img);
grid.Children.Add(radio1like);
grid.Children.Add(radio2dislike);
lv1.Items.Add(grid);
//if (checkbox.IsChecked == true)
//{
// globalgistdatalist[j].IsSimilar = 1;
// imgrid.Source = source;
//}
//else
// globalgistdatalist[j].IsSimilar = -1;
if (radio1like.IsChecked == true)
{
globalgistdatalist[j].IsSimilar = 1;
}
else if (radio2dislike.IsChecked == true)
{
globalgistdatalist[j].IsSimilar = -1;
}
Console.WriteLine("After KNN: " + globalgistdatalist[j].filename + " " + globalgistdatalist[j].IsSimilar + " distance :" + globalgistdatalist[j].distance);
}
lv1.Items.Refresh();
}
