//private void CountBlobs(WriteableBitmap writableBitmap)
private void CountBlobs(WriteableBitmap writeableBitmap)
{
Mat imgIR = writeableBitmap.ToMat();// CV_16UC1
imgIR.ConvertTo(imgIR, MatType.CV_8UC1, 1.0 / 256.0);
Mat imgIRbin = new Mat(imgIR.Rows, imgIR.Cols, MatType.CV_8UC1);
Cv2.Threshold(imgIR, imgIRbin, 225, 255, ThresholdTypes.Binary);
//imgIR.SaveImage("D:/imgIR.png");
CvBlobs blobs = new CvBlobs(imgIRbin);
blobs.FilterByArea(30, 2000);
//label_sample.Content = blobs.Count().ToString();
// Canvasに追加
canvas_blob.Children.Clear();
list_arr_index.Clear();
//label_sample.Content = blobs.Count.ToString();
if (blobs.Count > 0)
{
foreach (KeyValuePair <int, CvBlob> item in blobs)
{
int labelValue = item.Key;
CvBlob blob = item.Value;
Rectangle blob_rect = new Rectangle
{
Width = blob.Rect.Width,
Height = blob.Rect.Height,
Stroke = Brushes.Red,
StrokeThickness = 2
};
canvas_blob.Children.Add(blob_rect);
Canvas.SetLeft(blob_rect, blob.Rect.Left);
Canvas.SetTop(blob_rect, blob.Rect.Top);
}
// blobsから各blobのindexを取り出す////////////////////
// blobsからLabelsに変換
LabelData labelBlobs = blobs.Labels;
// Labelsを1dデータに変換
int[] label_blobs_vector = new int[labelBlobs.Rows * labelBlobs.Cols];
int ii = 0;
//for (int i_col = 0; i_col< labelBlobs.Cols; i_col++)
for (int i_row = 0; i_row < labelBlobs.Rows; i_row++)
{
//for (int i_row = 0; i_row<labelBlobs.Rows;i_row++)
for (int i_col = 0; i_col < labelBlobs.Cols; i_col++)
{
label_blobs_vector[ii] = labelBlobs[i_row, i_col];
ii += 1;
}
}
// // Labelsからblob.Valueに一致するindexの配列を作成
// list_arr_indexに格納する
// int count_blobs = blobs.Count;
//label_sample.Content = list_arr_index.Count().ToString();
foreach (KeyValuePair <int, CvBlob> item in blobs)
{
int count_blobs = blobs.Count();
int labelvalue = item.Key;
// Labelsからlabelvalueに一致するindex配列を作成
int area_blob = item.Value.Area;//
int[] arr_idx_label = new int[area_blob];
ii = 0;
for (int i_lab = 0; i_lab < label_blobs_vector.Length; i_lab++)
{
if (label_blobs_vector[i_lab] == labelvalue)
{
arr_idx_label[ii] = i_lab;
ii += 1;
}
}
//int[] arr_idx_label = label_blobs_vector.FindIndex<int>(label => label == labelvalue);
list_arr_index.Add(arr_idx_label);
}
//label_sample.Content = list_arr_index.Count().ToString();
Console.WriteLine("hoge");//ブレイクポイント用
}
}
