static void SuperimposeGT(string image_folder)
{
string[] image_files = System.IO.Directory.GetFiles(image_folder, "*.jpg");
for (int i = 0; i < image_files.Length; i++)
{
string image_file = image_files[i];
string xml_file = image_file.Replace(@"\Image\", @"\GT\").Replace(".jpg", "_data.xml");
if (System.IO.File.Exists(xml_file))
{
iPhotoDrawAnnotation annotation = new iPhotoDrawAnnotation();
annotation.LoadRectObjects(xml_file);
Mat image = new Emgu.CV.Mat(image_file, Emgu.CV.CvEnum.LoadImageType.Color);
for (int j = 0; j < annotation.RectObjects.Count; j++)
{
RectObject rect_object = annotation.RectObjects[j];
MCvScalar scalar = rect_object.Name.StartsWith("panel") ? new MCvScalar(0, 0, 255): new MCvScalar(255, 0, 0);
CvInvoke.Rectangle(image, rect_object.Rect, scalar);
}
CvInvoke.Imwrite(System.IO.Path.GetFileName(image_file), image);
}
}
}
static void LabelStatistics(string gt_folder)
{
string[] gt_files = System.IO.Directory.GetFiles(gt_folder, "*_data.xml");
List <int> widths = new List <int>(), heights = new List <int>();
for (int i = 0; i < gt_files.Length; i++)
{
string xml_file = gt_files[i];
iPhotoDrawAnnotation annotation = new iPhotoDrawAnnotation();
annotation.LoadRectObjects(xml_file);
for (int j = 0; j < annotation.RectObjects.Count; j++)
{
RectObject rect_object = annotation.RectObjects[j];
string name = rect_object.Name;
if (!name.StartsWith("label"))
{
continue;
}
if (name.Length > "label a".Length)
{
continue;
}
widths.Add(rect_object.Rect.Width);
heights.Add(rect_object.Rect.Height);
}
}
double mean_width = 0, mean_height = 0, mean_aspect_ratio = 0;
int max_width = int.MinValue, max_height = int.MinValue, min_width = int.MaxValue, min_height = int.MaxValue; double min_aspect_ration = double.MaxValue, max_aspect_ratio = double.MinValue;
for (int i = 0; i < widths.Count; i++)
{
int width = widths[i], height = heights[i];
double aspect_ratio = (double)width / (double)height;
mean_width += width; mean_height += height;
mean_aspect_ratio += aspect_ratio;
if (width > max_width)
{
max_width = width;
}
if (width < min_width)
{
min_width = width;
}
if (height > max_height)
{
max_height = height;
}
if (height < min_height)
{
min_height = height;
}
if (aspect_ratio > max_aspect_ratio)
{
max_aspect_ratio = aspect_ratio;
}
if (aspect_ratio < min_aspect_ration)
{
min_aspect_ration = aspect_ratio;
}
}
mean_width /= widths.Count;
mean_height /= heights.Count;
mean_aspect_ratio /= widths.Count;
using (System.IO.StreamWriter sw = new System.IO.StreamWriter("LabelStatistics.txt"))
{
sw.WriteLine("Min Width {0}\tMax Width {1}\tMean Width {2}", min_width, max_width, mean_width);
sw.WriteLine("Min Height {0}\tMax Height {1}\tMean Height {2}", min_height, max_height, mean_height);
sw.WriteLine("Min Aspect Ratio {0}\tMax Aspect Ratio {1}\tMean Aspect Ratio {2}", min_aspect_ration, max_aspect_ratio, mean_aspect_ratio);
for (int i = 0; i < widths.Count; i++)
{
sw.WriteLine("{0}\t{1}", widths[i], heights[i]);
}
}
}
