/// <summary>
/// Generate images including face and non-face patch to construct the validation set
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void generateValidToolStripMenuItem_Click(object sender, EventArgs e)
{
GenValidForm gen_valid_form = new GenValidForm();
gen_valid_form.Show();
gen_valid_form.accept += new EventHandler(gen_valid_form_accept);
}
private void gen_valid_form_accept(object sender, EventArgs e)
{
// get information of validation set
string valid_image_save_path;
string valid_image_list;
GenValidForm gen_valid_form = (GenValidForm)sender;
valid_image_save_path = gen_valid_form.image_save_path;
valid_image_list = gen_valid_form.list_filename;
gen_valid_form.Close();
//
process data_processing = new process();
data_processing.Show();
data_processing.progressBar1.Value = 0;
data_processing.progressBar1.Maximum = image_info_list.Count;
// crop and save images
double xtl, ytl, width, height;
Bitmap original_image;
string list_path = valid_image_save_path + "\\" + valid_image_list + ".txt";
FileStream list = new FileStream(list_path, FileMode.OpenOrCreate);
StreamWriter sw = new StreamWriter(list);
for (int i = 0; i < image_info_list.Count; i++)
{
data_processing.progressBar1.Value++;
if (image_info_list[i].DetectFrList == null)
{
image_info_list[i].DetectFrList = io.getFrList(image_info_list[i].DetectFrPath);
}
if (image_info_list[i].GtFrList == null)
{
image_info_list[i].GtFrList = io.getFrList(image_info_list[i].GtFrPath);
}
eval.singleImageMatch(image_info_list[i], 0.05);
original_image = new Bitmap(image_info_list[i].ImgPath);
string save_path;
string save_path_name;
// positive sample
for (int j = 0; j < image_info_list[i].GtFrList.Count; j++)
{
if (image_info_list[i].GtFrList[j].Length == 5)
{
double a, b, w;
a = image_info_list[i].GtFrList[j][0];
b = image_info_list[i].GtFrList[j][1];
w = image_info_list[i].GtFrList[j][2];
/*
* xtl = image_info_list[i].GtFrList[j][3] - image_info_list[i].GtFrList[j][0] * 0.8;
* ytl = image_info_list[i].GtFrList[j][4] - image_info_list[i].GtFrList[j][0] * 0.8;
* width = image_info_list[i].GtFrList[j][0] * 2*0.8;
* height = image_info_list[i].GtFrList[j][0] * 2*0.8;*/
width = 2 * Math.Sqrt(Math.Pow(a, 2) + (Math.Pow(b, 2) - Math.Pow(a, 2)) * Math.Pow(Math.Sin(w), 2));
height = 2 * Math.Sqrt(Math.Pow(a, 2) + (Math.Pow(b, 2) - Math.Pow(a, 2)) * Math.Pow(Math.Cos(w), 2));
xtl = image_info_list[i].GtFrList[j][3] - 0.5 * width;
ytl = image_info_list[i].GtFrList[j][4] - 0.5 * height;
}
else
{
xtl = image_info_list[i].GtFrList[j][0];
ytl = image_info_list[i].GtFrList[j][1];
width = image_info_list[i].GtFrList[j][2] - xtl + 1;
height = image_info_list[i].GtFrList[j][3] - ytl + 1;
}
Rectangle rect = new Rectangle(Convert.ToInt32(xtl), Convert.ToInt32(ytl), Convert.ToInt32(width), Convert.ToInt32(height));
Bitmap crop = crop_image(original_image, rect);
string line = "pos\\" + image_info_list[i].RelativeImgPath + '_' + j.ToString() + ".jpg";
save_path_name = Path.Combine(valid_image_save_path + "\\", line);
save_path = Path.GetDirectoryName(save_path_name).ToString();
if (Directory.Exists(save_path) == false)
{
Directory.CreateDirectory(save_path);
}
crop.Save(save_path_name, ImageFormat.Jpeg);
sw.WriteLine(line.Replace('\\', '/') + " 1");
}
// negative samples
for (int j = 0; j < image_info_list[i].DetectFrList.Count; j++)
{
if (image_info_list[i].Scores[j] < 0.05)
{
xtl = image_info_list[i].DetectFrList[j][0];
ytl = image_info_list[i].DetectFrList[j][1];
width = image_info_list[i].DetectFrList[j][2] - xtl + 1;
height = image_info_list[i].DetectFrList[j][3] - ytl + 1;
Rectangle rect = new Rectangle(Convert.ToInt32(xtl), Convert.ToInt32(ytl), Convert.ToInt32(width), Convert.ToInt32(height));
Bitmap crop = crop_image(original_image, rect);
string line = "neg\\" + image_info_list[i].RelativeImgPath + '_' + j.ToString() + ".jpg";
save_path_name = Path.Combine(valid_image_save_path + "\\", line);
save_path = Path.GetDirectoryName(save_path_name).ToString();
if (Directory.Exists(save_path) == false)
{
Directory.CreateDirectory(save_path);
}
crop.Save(save_path_name, ImageFormat.Jpeg);
sw.WriteLine(line.Replace('\\', '/') + " 0");
}
}
original_image.Dispose();
}
data_processing.Close();
sw.Close();
list.Close();
}