/// <summary>
/// تمرین تشخیص چهره
/// </summary>
private void trainFaceRecognizer()
{
///[Traitning Face Recognizer]
List <Image <Gray, byte> > images = new List <Image <Gray, byte> >();
List <int> labels = new List <int>();
FaceRepository.OpenFacesDatabase(ref images, ref labels);
if (images.Count > 0 && labels.Count > 0)
{
m_faceRecognizer.Train(images.ToArray(), labels.ToArray());
}
///[Traitning Face Recognizer]
}
/// <summary>
/// شناسایی چهره
/// </summary>
/// <param name="bitmap">تصویر حاوی صورت</param>
/// <returns>شناسه</returns>
public string RecognizeFace(Bitmap bitmap)
{
Console.WriteLine("[{0}] Recognizing face...", DateTime.Now.ToString("HH:mm:ss"));
///[Recognizing face]
FaceRecognizer.PredictionResult predicitonResult = m_faceRecognizer.Predict(new Image <Gray, byte>(bitmap));
if (predicitonResult.Label == -1)
{
return(string.Empty);
}
string id = FaceRepository.GetId(predicitonResult.Label);
///[Recognizing face]
if (!string.IsNullOrEmpty(id))
{
Console.WriteLine("[{0}] face id {1} was recognized...", DateTime.Now.ToString("HH:mm:ss"), id);
}
return(id);
}
/// <summary>
/// دخیره سازی تصویر صورت
/// </summary>
/// <param name="bitmap">تصویر</param>
/// <param name="id">شناسه خارجی</param>
public static void SaveFaceBitmap(Bitmap bitmap, string id)
{
///[Saving face bitmap]
int key = FaceRepository.getKey(id);
if (m_storageMethod == StorageMethod.ZipArchive)
{
m_facePictureRepository.Save(string.Format(@"{0}\{1}.jpg", key, Guid.NewGuid()), bitmap);
}
///[Saving face bitmap]
else if (m_storageMethod == StorageMethod.Directory)
{
if (!Directory.Exists(string.Format(@"faces\{0}", key)))
{
Directory.CreateDirectory(string.Format(@"faces\{0}", key));
}
bitmap.Save(string.Format(@"faces\{0}\{1}.jpg", key, Guid.NewGuid()), ImageFormat.Jpeg);
}
m_xmlKeyValueDatabase[Convert.ToString(key)] = id;
}
/// <summary>
/// حذف چهره
/// </summary>
/// <param name="id">شناسه خارجی</param>
public void DeleteFace(string id)
{
FaceRepository.DeleteFace(id);
}
/// <summary>
/// ذخیره چهره
/// </summary>
/// <param name="bitmap">تصویر چهره</param>
/// <param name="id">شناسه خارجی</param>
public void SaveFace(Bitmap bitmap, string id)
{
FaceRepository.SaveFaceBitmap(bitmap, id);
}
