protected DPFP.FeatureSet ExtractFeatures(DPFP.Sample Sample,
DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new
DPFP.Processing.FeatureExtraction(); // Create a feature extractor
DPFP.Capture.CaptureFeedback feedback =
DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
try
{
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref
features);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
protected DPFP.FeatureSet ExtractFeatures(DPFP.Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction(); // Create a feature extractor
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features); // TODO: return features as a result?
debugFeedback = feedback;
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
notifyEvent = new FingerArgs(ReaderSerialNumber, FingerArgs.FingerNotify.RN_CaptureGood, "Capture is Good");
if (NotifyEvent != null)
{
NotifyEvent(this, notifyEvent);
}
return(features);
}
else
{
notifyEvent = new FingerArgs(ReaderSerialNumber, FingerArgs.FingerNotify.RN_CaptureBad, feedback.ToString());
if (NotifyEvent != null)
{
NotifyEvent(this, notifyEvent);
}
return(null);
}
}
public DPFP.FeatureSet CreateFeatureSet(DPFP.Sample sample, DPFP.Processing.DataPurpose purpose)
{
DPFP.Processing.FeatureExtraction featureExtraction = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback captureFeedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet featureSet = new DPFP.FeatureSet();
featureExtraction.CreateFeatureSet(sample, purpose, ref captureFeedback, ref featureSet);
return((captureFeedback == DPFP.Capture.CaptureFeedback.Good) ? featureSet : null);
}
private void btnenroll_Click(object sender, EventArgs e)
{
btnenroll.BackColor = Color.FromArgb(255, 39, 147, 232);
lbltask.Text = "Enrollment";
pmatchfound.Visible = false;
pverified.Location = new Point(210, 3);
Enroller.Clear();
gpurpose = DPFP.Processing.DataPurpose.Enrollment;
SetControl();
}
protected DPFP.FeatureSet ExtractFeatures(DPFP.Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features);
if (feedback == DPFP.Capture.CaptureFeedback.Good)
return features;
else
return null;
}
protected DPFP.FeatureSet ExtractFeatures(DPFP.Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction(); // Create a feature extractor
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features); // TODO: return features as a result?
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
protected DPFP.FeatureSet extraercaracteristicas(DPFP.Sample Sample, DPFP.Processing.DataPurpose Porpuse)
{
DPFP.Processing.FeatureExtraction extractor = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback alimentacion = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet caracteristicas = new DPFP.FeatureSet();
extractor.CreateFeatureSet(Sample, Porpuse, ref alimentacion, ref caracteristicas);
if ((alimentacion == DPFP.Capture.CaptureFeedback.Good))
{
return(caracteristicas);
}
else
{
return(null /* TODO Change to default(_) if this is not a reference type */);
}
}
private DPFP.FeatureSet ExtractFeatures(DPFP.Sample sample, DPFP.Processing.DataPurpose purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(sample, purpose, ref feedback, ref features);
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
public static FeatureSet ExtractFeatures(Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features);
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
protected FeatureSet ExtractFeatures(Sample sample, DPFP.Processing.DataPurpose purpose)
{
var extractor = new DPFP.Processing.FeatureExtraction(); // Create a feature extractor
var feedback = DPFP.Capture.CaptureFeedback.None;
var features = new FeatureSet();
extractor.CreateFeatureSet(sample, purpose, ref feedback, ref features); // TODO: return features as a result?
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
private void mainform_Load(object sender, EventArgs e)
{
btnapply.Enabled = false;
prbenroll.Visible = false;
lblnote.Visible = false;
if (DejitaruInit.IsDBReady)
{
pmatchfound.Visible = false;
pverified.Location = new Point(210, 3);
gpurpose = DPFP.Processing.DataPurpose.Verification;
//lblnote.Text = "Note: Requires four fingerprint samples for Enrollment.";
Init();
Start();
}
else
{
}
//timer1.Enabled = true;
//lblnote.Visible = false;
}
public DPFP.FeatureSet ExtractFeaturesChecar(DPFP.Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
try
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction();
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features);
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
catch (Exception ex)
{
LogError.AddExcFileTxt(ex, "LectorHuella ~ ExtractFeaturesChecar");
return(null);
}
}
protected DPFP.FeatureSet ExtractFeatures(DPFP.Sample Sample, DPFP.Processing.DataPurpose Purpose)
{
DPFP.Processing.FeatureExtraction Extractor = new DPFP.Processing.FeatureExtraction(); // Create a feature extractor
DPFP.Capture.CaptureFeedback feedback = DPFP.Capture.CaptureFeedback.None;
DPFP.FeatureSet features = new DPFP.FeatureSet();
try
{
Extractor.CreateFeatureSet(Sample, Purpose, ref feedback, ref features);
}
catch (DPFP.Error.SDKException)
{
MessageBox.Show("Place Finger on the scanner surface");
}
// TODO: return features as a result?
if (feedback == DPFP.Capture.CaptureFeedback.Good)
{
return(features);
}
else
{
return(null);
}
}
private void Process(DPFP.Sample sample, DPFP.Processing.DataPurpose purpose)
{
if (purpose == DPFP.Processing.DataPurpose.Enrollment)
{
DPFP.FeatureSet features = ExtractFeatures(sample, purpose);
if (features != null)
{
try
{
Enroller.AddFeatures(features);
}
finally
{
switch (Enroller.TemplateStatus)
{
case DPFP.Processing.Enrollment.Status.Ready:
byte[] fpsample = new byte[0];
Enroller.Template.Serialize(ref fpsample);
Dejitaru.progress += 1;
Dejitaru.SetControlProperty(this, prbenroll, "Value", Dejitaru.progress);
Dejitaru.progress = 0;
Enroller.Clear();
gpurpose = DPFP.Processing.DataPurpose.Unknown;
Dejitaru.SerializetoDB(fpsample, lstatus, this);
Stop();
break;
case DPFP.Processing.Enrollment.Status.Failed:
Dejitaru.SetControlProperty(this, lstatus, "Text", "Enrollment failed.");
Start();
break;
case DPFP.Processing.Enrollment.Status.Insufficient:
Dejitaru.progress += 1;
Dejitaru.SetControlProperty(this, prbenroll, "Value", Dejitaru.progress);
Dejitaru.SetControlProperty(this, lstatus, "Text", "Needing more samples for enrollment.Please scan more.");
break;
case DPFP.Processing.Enrollment.Status.Unknown:
Dejitaru.SetControlProperty(this, lstatus, "Text", "Unknown");
break;
}
}
}
}
if (purpose == DPFP.Processing.DataPurpose.Verification)
{
DPFP.FeatureSet features = ExtractFeatures(sample, purpose);
string rhandler = "";
if (features != null)
{
//DPFP.Verification.Verification.Result result = new DPFP.Verification.Verification.Result();
//Verifier.Verify(features, template, ref result);
string[] results = VerifyDB(features);
if (results[0].Equals("true"))
{
rhandler = "Match found. \n\n";
for (int i = 1; i < results.Length; i++)
{
rhandler = rhandler + " " + results[i] + "\n";
}
}
else
{
rhandler = "No match found.";
}
Dejitaru.SetControlProperty(this, lstatus, "Text", rhandler);
}
}
}
private void btnverify_Click(object sender, EventArgs e)
{
gpurpose = DPFP.Processing.DataPurpose.Verification;
SetControl();
}
