private void CreateScaleSpace()
{
IList<ScaleLevel> scaleLevels = new List<ScaleLevel>();
if (_dataInitializer.DataExists())
{
scaleLevels = _dataInitializer.ReadData(_filterBuilder);
}
if (scaleLevels.Count == 0)
{
Parallel.For(
0,
(int)(((FinalT - InitialT) / Step) + 1),
(i, state) =>
{
IFilter filter = _filterBuilder.Build(InitialT + (i * Step));
var scaleLevel = new ScaleLevel(filter, this._originalImage.GetDeepCopy());
scaleLevel.ApplyTransform().FindBlobs();
_scaleSpace[i] = scaleLevel;
});
}
else
{
int number = (int)(((FinalT - InitialT) / Step) + 1);
_scaleSpace = scaleLevels.Take(number).ToArray();
Parallel.ForEach(_scaleSpace, (level) => level.FindBlobs());
_initialized = true;
}
_scaleSpace = _scaleSpace.OrderBy(p => p.Sigma).ToArray();
}
public void Save(string filePath, ScaleLevel scaleLevel)
{
if (filePath.Length == 1)
{
filePath = "0" + filePath;
}
this.SaveImage(filePath, scaleLevel);
this.SaveMetadata(filePath, scaleLevel);
}
private void SaveImage(string filePath, ScaleLevel scaleLevel)
{
using (var image = new Bitmap(_path))
{
var rect = new Rectangle(0, 0, image.Width, image.Height);
BitmapData bitmapData = image.LockBits(rect, ImageLockMode.ReadWrite, image.PixelFormat);
IntPtr startPtr = bitmapData.Scan0;
int imageSize = Math.Abs(bitmapData.Stride) * image.Height;
byte[] bytes = scaleLevel.Image.ToByteArray();
Marshal.Copy(bytes, 0, startPtr, imageSize);
image.UnlockBits(bitmapData);
image.Save(Path.Combine("LoG", filePath + ".jpg"));
}
}
public IList<ScaleLevel> ReadData(IFilterBuilder filterBuilder)
{
var result = new List<ScaleLevel>();
foreach (var path in Directory.EnumerateFiles(FolderName))
{
var fileInfo = new FileInfo(path);
if (Extension.Equals(fileInfo.Extension, StringComparison.OrdinalIgnoreCase))
{
using (var stream = fileInfo.OpenRead())
{
var deserilizer = new BinaryFormatter();
var metadata = (ScaleMetadata)deserilizer.Deserialize(stream);
var scaleLevel = new ScaleLevel(filterBuilder.Build(metadata.T), metadata.Image);
result.Add(scaleLevel);
}
}
}
return result;
}
private void SaveMetadata(string filePath, ScaleLevel scaleLevel)
{
using (var file = new FileStream(Path.Combine("Log", filePath + Extension), FileMode.Create, FileAccess.Write, FileShare.None))
{
var serializer = new BinaryFormatter();
var obj = new ScaleMetadata { Image = scaleLevel.Image, T = scaleLevel.T };
serializer.Serialize(file, obj);
}
}
