//Adds new face image to registered user and trains user group with already added image.
private async void AddFaceImage(Guid guid, Bitmap image, FaceServiceClient client)
{
try
{
await client.AddPersonFaceInPersonGroupAsync(_groupId, guid, BitmapToJpegStream(image));
} catch (Exception ex)
{
_logger.LogWarning("Failed to add face image.");
_logger.LogWarning(ex.Message);
}
}
// Adds new person picture.
public async Task AddPersonPicture(List <string> images, Guid personId)
{
await CreatePersonGroupIfNotExist();
foreach (var image in images)
{
var addPersistedFaceResult = await faceServiceClient.AddPersonFaceInPersonGroupAsync(PERSON_GROUP_ID, personId, image);
}
await TrainModelAsync();
}
private async void Search_person(object sender, RoutedEventArgs e)
{
if (fileDatas != null && PersonName.Text != "")
{
const string personGroupId = "default";
const string personGroupName = "Default";
// Group
try
{
await FaceServiceClient.CreatePersonGroupAsync(
personGroupId,
personGroupName
);
}
catch (Exception ex)
{
Console.Write(ex);
}
// Person
string personId = PersonName.Text;
var person = await FaceServiceClient.CreatePersonInPersonGroupAsync(
personGroupId,
personId
);
// Train person
foreach (var fileData in fileDatas)
{
await FaceServiceClient.AddPersonFaceInPersonGroupAsync(
personGroupId,
person.PersonId,
await fileData.OpenStreamForReadAsync()
);
}
await FaceServiceClient.TrainPersonGroupAsync(personGroupId);
// ReSharper disable once SuspiciousTypeConversion.Global
while ((await FaceServiceClient.GetPersonGroupTrainingStatusAsync(personGroupId)).Status.Equals("running"))
{
await Task.Delay(1000);
}
Frame.Navigate(typeof(SelectTargetPage), personId);
}
else
{
Validate.Content = "You must Upload a file and write the person's name";
}
}
private async void btn_Train_Click(object sender, EventArgs e)
{
//Abrimos un dialogo de seleccion de carpetas
FolderBrowserDialog dialog = new FolderBrowserDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
//Si se ha seleccionado un directorio, hacemos su info
DirectoryInfo directory = new DirectoryInfo(dialog.SelectedPath);
//Comprobamos que el directorio tiene carpetas de personas
if (directory.GetDirectories().Count() == 0)
{
return;
}
//=====Empezamos a crear el grupo de trabajo
//Creamos el cliente
var faceServiceClient = new FaceServiceClient(FaceAPIKey, FaceAPIEndPoint);
//Vamos a trabajar desde 0 siempre, asi que comprobamos si hay grupos, y si los hay los borramos
var groups = await faceServiceClient.ListPersonGroupsAsync();
foreach (var group in groups)
{
await faceServiceClient.DeletePersonGroupAsync(group.PersonGroupId);
}
//Creamos un grupo
await faceServiceClient.CreatePersonGroupAsync(GroupGUID, "FixedBuffer");
foreach (var person in directory.GetDirectories())
{
//Comprobamos que tenga imagenes
if (person.GetFiles().Count() == 0)
{
return;
}
//Obtenemos el nombre que le vamos a dar a la persona
var personName = person.Name;
lbl_Status.Text = $"Entrenando a {personName}";
//Añadimos a una persona al grupo
var personResult = await faceServiceClient.CreatePersonAsync(GroupGUID, personName);
//Añadimos todas las fotos a la persona
foreach (var file in person.GetFiles())
{
using (var fStream = File.OpenRead(file.FullName))
{
try
{
//Cargamos la imagen en el pictureBox
pct_Imagen.Image = new Bitmap(fStream);
//Reiniciamos el Stream
fStream.Seek(0, SeekOrigin.Begin);
// Actualizamos las caras en el servidor
var persistFace = await faceServiceClient.AddPersonFaceInPersonGroupAsync(GroupGUID, personResult.PersonId, fStream, file.FullName);
}
catch (FaceAPIException ex)
{
lbl_Status.Text = "";
MessageBox.Show($"Imposible seguir, razón:{ex.ErrorMessage}");
return;
}
}
}
}
try
{
//Entrenamos el grupo con todas las personas que hemos metido
await faceServiceClient.TrainPersonGroupAsync(GroupGUID);
// Esperamos a que el entrenamiento acabe
while (true)
{
await Task.Delay(1000);
var status = await faceServiceClient.GetPersonGroupTrainingStatusAsync(GroupGUID);
if (status.Status != Microsoft.ProjectOxford.Face.Contract.Status.Running)
{
break;
}
}
//Si hemos llegado hasta aqui, el entrenamiento se ha completado
btn_Find.Enabled = true;
lbl_Status.Text = $"Entrenamiento completado";
}
catch (FaceAPIException ex)
{
lbl_Status.Text = "";
MessageBox.Show($"Response: {ex.ErrorCode}. {ex.ErrorMessage}");
}
GC.Collect();
}
}
