public EnrollView(string subjectId)
{
InitializeComponent();
openFileDialog.Filter = NImages.GetOpenFileFilterString(true, true);
string component = "Biometrics.FingerExtraction,Biometrics.FingerMatching,Devices.FingerScanners,Images.WSQ,Biometrics.FingerSegmentation,Biometrics.FingerQualityAssessmentBase";
ControllerUtils.ObtainLicense(component);
}
public IdentificationFromImage(string subjectID, string templateFile)
{
string components = "Biometrics.FingerMatching";
//obtain license
ControllerUtils.ObtainLicense(components);
using (var biometricClient = new NBiometricClient())
// Read template
using (NSubject subject = CreateSubject(templateFile, subjectID))
{
//Identification done from IdentificationFromDatabase constructor
IdentificationFromDatabase identify = new IdentificationFromDatabase(subject);
}
}
public EnrollmentFromImage(string subjectID, string imageFile)
{
string components = "Biometrics.FingerExtraction";
//call Obtain License to obtain license
ControllerUtils.ObtainLicense(components);
try {
using (var biometricClient = new NBiometricClient {
UseDeviceManager = true
})
// using (var deviceManager = biometricClient.DeviceManager)
using (var subject = new NSubject())
using (var finger = new NFinger())
{
finger.FileName = imageFile;
subject.Fingers.Add(finger);
subject.Id = subjectID; //ID number in the database
//Set finger template size (recommended, for enroll to database, is large)
biometricClient.FingersTemplateSize = NTemplateSize.Large;
NBiometricStatus status = NBiometricStatus.InternalError;
//creates template using the image
status = biometricClient.CreateTemplate(subject);
if (status == NBiometricStatus.Ok)
{
ControllerUtils.SaveTemplate(subject);
//enroll into database using EnrollToDatabase Constructor
EnrollToDatabase enrollToDatabase = new EnrollToDatabase(status, subject);
}
else
{
Console.WriteLine("Extraction failed! Status: {0}", status);
}
}
}catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
// return 0;
}
public IdentificationFromScanner(string subjectID, NSubject subject)
{
const string components = "Biometrics.FingerExtraction,Biometrics.FingerMatching";
//Obtain license
ControllerUtils.ObtainLicense(components);
using (var biometricClient = new NBiometricClient {
UseDeviceManager = true
})
using (var deviceManager = biometricClient.DeviceManager)
// using (var subject = new NSubject())
using (var finger = new NFinger())
{
////set type of the device used
//deviceManager.DeviceTypes = NDeviceType.FingerScanner;
////initialize the NDeviceManager
//deviceManager.Initialize();
//int i;
////get count of connected devices
//int count = deviceManager.Devices.Count;
//if (count > 0)
// MessageBox.Show("found " + count + "finger scanners");
//else
//{
// MessageBox.Show("no finger scanners found, exiting ...\n");
// // return -1;
//}
////list detected scanners
//if (count > 1)
// MessageBox.Show("Please select finger scanner from the list: ");
//for (i = 0; i < count; i++)
//{
// NDevice device = deviceManager.Devices[i];
// MessageBox.Show(i + 1 + " " + device.DisplayName);
//}
////finger scanner selection by user
//if (count > 1)
//{
// MessageBox.Show("Please enter finger scanner index: ");
// string line = Console.ReadLine();
// if (line == null) throw new ApplicationException("Nothing read from standard input");
// i = int.Parse(line);
// if (i > count || i < 1)
// {
// MessageBox.Show("Incorrect index provided, exiting ...");
// //return -1;
// }
//}
//i--;
////set the selected finger scanner as NBiometricClient Finger Scanner
//biometricClient.FingerScanner = (NFScanner)deviceManager.Devices[i];
////add NFinger to NSubject
//subject.Fingers.Add(finger);
//MessageBox.Show("Place your finger on the scanner");
////start capturing
//NBiometricStatus status = biometricClient.Capture(subject);
//if (status != NBiometricStatus.Ok)
//{
// MessageBox.Show("Failed to capture: " + status);
// // return -1;
//}
//MessageBox.Show("Captured ");
//Set finger template size (recommended, for enroll to database, is large) (optional)
biometricClient.FingersTemplateSize = NTemplateSize.Large;
subject.Id = subjectID;
//Create template from added finger image
NBiometricStatus status = biometricClient.CreateTemplate(subject);
//identification from IdentificationFromDatabase from model class
IdentificationFromDatabase idm = new IdentificationFromDatabase(subject);
}
}
