private void ResizingRoutine_doWork(object sender, DoWorkEventArgs e)
{
resRandImgMapList.Clear();
var rand = new Random();
var randomList = sourceImgMapList.OrderBy(x => rand.Next()).ToList();
for (int i = 0; i < totalImgNum; i++)
{
Bitmap bm = null;
try
{
bm = new Bitmap(randomList[i].dir);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
Bitmap rbm = CntkBitmapExtensions.Resize(
bm,
Convert.ToInt32(BindManager.BindMngr.ML_desWidth.value),
Convert.ToInt32(BindManager.BindMngr.ML_desHeight.value),
true);
/// Redo dir, but keep the shuffled label
imgMapStruct ims = new imgMapStruct()
{
dir = mlImgFolderArr[(int)jobType] + string.Format("\\{0:D5}.jpg", i),
label = randomList[i].label
};
resRandImgMapList.Add(ims);
/// This is for creating mean file
RGBList.Add(CntkBitmapExtensions.ExtractCHW(rbm));
if (jobType == JobType.train)
{
rbm = addPadding(rbm, 4);
}
rbm.Save(resRandImgMapList[i].dir);
ResizingRoutine.ReportProgress(Convert.ToInt32((i + 1) * 100 / totalImgNum));
Thread.Sleep(1);
bm.Dispose();
rbm.Dispose();
}
}
private void loadLabels(string mapFileUrl)
{
sourceImgMapList.Clear();
if (!File.Exists(mapFileUrl))
{
File.Create(mapFileUrl).Dispose();
// Initalize
for (int i = 0; i < totalImgNum; i++)
{
imgMapStruct ims = new imgMapStruct()
{
dir = string.Format(@"{0}\{1}", sourceImgFolderArr[(int)jobType], sourceImageInfo[i].Name),
label = 0
};
sourceImgMapList.Add(ims);
}
using (StreamWriter sw = new StreamWriter(mapFileUrl))
{
for (int i = 0; i < totalImgNum; i++)
{
sw.WriteLine(string.Format("{0}\t{1}",
string.Format(@"{0}\{1}", mlImgFolderArr[(int)jobType], sourceImageInfo[i].Name),
sourceImgMapList[i].label));
}
sw.Dispose();
}
}
else
{
using (StreamReader sr = File.OpenText(mapFileUrl))
{
for (int i = 0; i < totalImgNum; i++)
{
string[] temp;
temp = sr.ReadLine().Split('\t');
imgMapStruct ims = new imgMapStruct()
{
dir = temp[0],
label = Convert.ToInt32(temp[1])
};
sourceImgMapList.Add(ims);
}
sr.Dispose();
}
}
}