public void LoadCompleteTrainingSet()
{
int i = 0;
ConnectToDatabase();
ImageInDatabase imageToStore = new ImageInDatabase();
SqlCommand cmd = new SqlCommand("SP_Select_All_FAces", m_conMyConnection);
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter sDataAdapter = new SqlDataAdapter();
sDataAdapter.SelectCommand = cmd;
DataSet sDataSet = new DataSet();
sDataAdapter.Fill(sDataSet);
DisconnectFromDatabase();
int iUlngthTrainingArray = sDataSet.Tables[0].Rows.Count;
m_trainingImages = new Emgu.CV.Image<Gray, Byte>[iUlngthTrainingArray];
m_TrainingLabels = new string[iUlngthTrainingArray];
foreach (DataRow row in sDataSet.Tables[0].Rows)
{
byte[] ImageByteArrayToConert = (byte[])row["FacialPic"];
ImageOfFace = new Bitmap(ConvertByteArray(ImageByteArrayToConert));
m_trainingImages[i] = new Emgu.CV.Image<Gray, byte>(ImageOfFace);
m_TrainingLabels[i] = row["ID"].ToString();
i++;
}
DisconnectFromDatabase();
}
private void cmdSearch_Click(object sender, EventArgs e)
{
// Check if all is filled
if (txtLastName.TextLength > 0)
{
// Load the face
ImageInDatabase dgimgObject = new ImageInDatabase();
dgimgObject.ReadImageFromDB(txtLastName.Text);
if (dgimgObject.FirstName.Length > 0) //@rie, not veryu nice, but lets assume that in this case a person was found...
{
txtFirstName.Text = dgimgObject.FirstName;
txtLastName.Text = dgimgObject.LastName;
dtDateOfBirth.Value = dgimgObject.DateOfBirth;
txtCoffeePreference.Text = dgimgObject.CoffeePreference;
imgFaceToSave.Image = new Image<Bgr, byte>((dgimgObject.ImageOfFace));
}
else
{
MessageBox.Show("No person was found with that name");
}
//Exit
// this.Close();
}
else
{
MessageBox.Show("Vul de achternaam in...", "Check gegevens", MessageBoxButtons.OK);
}
}
//-------------------------------------------------------------------------------------//
//<<<<<----------------FUNCTIONS USED TO TRAIN RECOGNIZER ON TRAINING SET----------->>>>
//-------------------------------------------------------------------------------------//
/// <summary>
/// Trains recognizer on fetched face-label pairs and saves the trained data to recognition variables
/// </summary>
public void TrainRecognizer()
{
MCvTermCriteria termCrit = new MCvTermCriteria(iMaxItereations, dEPS);
ImageInDatabase dbTrainingSet = new ImageInDatabase();
// This will fill the training images array AND labels array
dbTrainingSet.LoadCompleteTrainingSet();
recognizer = new EigenObjectRecognizer(dbTrainingSet.m_trainingImages, dbTrainingSet.m_TrainingLabels, dDistTreshHold, ref termCrit);
}
private void cmdOk_Click(object sender, EventArgs e)
{
// Check if all is filled
if (txtCoffeePreference.TextLength > 0 && txtLastName.TextLength > 0 && txtFirstName.TextLength > 0)
{
// Save the face
ImageInDatabase dgimgObject = new ImageInDatabase();
dgimgObject.FirstName = txtFirstName.Text;
dgimgObject.LastName = txtLastName.Text;
dgimgObject.DateOfBirth = dtDateOfBirth.Value;
dgimgObject.CoffeePreference = txtCoffeePreference.Text;
dgimgObject.ImageOfFace = m_ImageOfFaceToRegister;
dgimgObject.StoreImageToDataBase();
//Exit
RegisterFace.ActiveForm.Close();
}
else
{
MessageBox.Show("Vul alle gegevens in aub", "Check gegevens", MessageBoxButtons.OK);
}
}
public void ReadImageFromDBWithID(string strFacialID)
{
ConnectToDatabase();
//Retrieve the image
ImageInDatabase imageToStore = new ImageInDatabase();
SqlCommand cmd = new SqlCommand("SP_Select_Face_by_ID", m_conMyConnection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@FacialID", SqlDbType.NVarChar).Value = strFacialID;
SqlDataReader sdResult = cmd.ExecuteReader();
if (sdResult.Read())
{
LastName = (string)sdResult["LastName"];
FirstName = (string)sdResult["FirstName"];
DateOfBirth = (DateTime)sdResult["DateOfBirth"];
CoffeePreference = (string)sdResult["CoffeePreference"];
byte[] ImageByteArrayToConert = (byte[])sdResult["FacialPic"];
ImageOfFace = new Bitmap(ConvertByteArray(ImageByteArrayToConert));
}
sdResult.Close();
DisconnectFromDatabase();
}
private void TryRecognizePerson(IImage imageToRecognize)
{
// This will result in a facialID
string RecognizeResultID = recognizer.Recognize((Image<Gray, Byte>)imageToRecognize);
string sResultOfRecognize = "Nope, couldn't find you. Please click save if you want me to recognize you next time...";
if (RecognizeResultID.Length > 0)
{
ImageInDatabase iidRecPerson = new ImageInDatabase();
iidRecPerson.ReadImageFromDBWithID(RecognizeResultID);
sResultOfRecognize = "Hallo " + iidRecPerson.FirstName + " " + iidRecPerson.LastName + ",\r\n";
sResultOfRecognize += "Wilt u weer een " + iidRecPerson.CoffeePreference + "?\r\n";
sResultOfRecognize += "Paremeters: Tresh - " + dDistTreshHold.ToString() + " \r\n";
sResultOfRecognize += "Paremeters: EPS - " + dEPS.ToString() + " \r\n";
sResultOfRecognize += "Paremeters: MaxIt - " + iMaxItereations.ToString();
}
lblResult.Text = sResultOfRecognize;
}
