public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
ProcessImage(new Image <Bgr, byte>("license-plate.jpg"));
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector();
ProcessImage(new Image<Bgr, byte>("license-plate.jpg"));
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
ProcessImage(new Image <Bgr, byte>(@"..\..\sample.jpg"));
//ProcessImage(new Image<Bgr, byte>(@"..\..\s1.jpg"));
}
public MainWindow()
{
InitializeComponent();
ActivationNetwork net = (ActivationNetwork)Network.Load("net-numbers");
ActivationNetwork netLetters = (ActivationNetwork)Network.Load("net-lt");
_detector = new LicensePlateDetector(net, netLetters);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
RootElement root = Root;
root.UnevenRows = true;
UIImageView imageView = new UIImageView(View.Frame);
StringElement messageElement = new StringElement("");
StringElement licenseElement = new StringElement("");
root.Add(new Section()
{ new StyledStringElement("Process", delegate {
using (Image<Bgr, Byte> image = new Image<Bgr, byte>( "license-plate.jpg"))
{
LicensePlateDetector detector = new LicensePlateDetector(".");
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<IInputOutputArray> licensePlateImagesList = new List<IInputOutputArray>();
List<IInputOutputArray> filteredLicensePlateImagesList = new List<IInputOutputArray>();
List<RotatedRect> licenseBoxList = new List<RotatedRect>();
List<string> words = detector.DetectLicensePlate(
image,
licensePlateImagesList,
filteredLicensePlateImagesList,
licenseBoxList);
watch.Stop(); //stop the timer
messageElement.Value = String.Format("{0} milli-seconds", watch.Elapsed.TotalMilliseconds);
StringBuilder builder = new StringBuilder();
foreach (String w in words)
builder.AppendFormat("{0} ", w);
licenseElement.Value = builder.ToString();
messageElement.GetImmediateRootElement().Reload(messageElement, UITableViewRowAnimation.Automatic);
licenseElement.GetImmediateRootElement().Reload(licenseElement, UITableViewRowAnimation.Automatic);
foreach (RotatedRect box in licenseBoxList)
{
image.Draw(box, new Bgr(Color.Red), 2);
}
Size frameSize = FrameSize;
using (Mat resized = new Mat())
{
CvInvoke.ResizeForFrame(image, resized, frameSize);
imageView.Image = resized.ToUIImage();
imageView.Frame = new RectangleF(PointF.Empty, resized.Size);
}
imageView.SetNeedsDisplay();
ReloadData();
}
}
)});
root.Add(new Section("Recognition Time") { messageElement });
root.Add(new Section("License Plate") { licenseElement });
root.Add(new Section() { imageView });
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("x64/");
//Mat m = new Mat("license-plate.jpg");
//UMat um = m.GetUMat(AccessType.ReadWrite);
//imageBox1.Image = um;
//ProcessImage(m);
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
Mat m = new Mat("license-plate.jpg", LoadImageType.AnyColor);
UMat um = m.ToUMat(AccessType.ReadWrite);
imageBox1.Image = um;
ProcessImage(m);
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
Mat m = new Mat("license-plate.jpg", LoadImageType.AnyColor);
UMat um = m.ToUMat(AccessType.ReadWrite);
imageBox1.Image = um;
ProcessImage(m);
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
capture = new Capture("license-plate.jpg");
m = capture.QueryFrame();
UMat um = m.ToUMat(AccessType.ReadWrite);
pictureBox1.Image = m.Bitmap;
ProcessImage(m);
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
_licensePlateDetector = new LicensePlateDetector("");
Mat m = new Mat(@"..\..\license-plate.jpg", LoadImageType.AnyColor);
UMat um = m.ToUMat(AccessType.ReadWrite);
ibImageSource.Image = um;
ProcessImage(m);
ibImageSource.SizeMode = PictureBoxSizeMode.StretchImage;
}
public LicensePlateRecognitionForm()
{
InitializeComponent();
System.Net.ServicePointManager.Expect100Continue = true;
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
_licensePlateDetector = new LicensePlateDetector("");
Mat m = new Mat("license-plate.jpg");
UMat um = m.GetUMat(AccessType.ReadWrite);
imageBox1.Image = um;
ProcessImage(m);
}
private static List <string> LicensePlateRecognitionInit()
{
_licensePlateDetector = new LicensePlateDetector();
var image = new Image <Bgr, byte>("license-plate.jpg");
// time the detection process
Stopwatch watch = Stopwatch.StartNew();
var licensePlateImagesList = new List <Image <Gray, byte> >();
var filteredLicensePlateImagesList = new List <Image <Gray, byte> >();
var licenseBoxList = new List <MCvBox2D>();
var words = _licensePlateDetector.DetectLicensePlate(
image,
licensePlateImagesList,
filteredLicensePlateImagesList,
licenseBoxList);
watch.Stop(); //stop the timer
return(words);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
if (image == null)
return;
ISharedPreferences preference = PreferenceManager.GetDefaultSharedPreferences(ApplicationContext);
String appVersion = PackageManager.GetPackageInfo(PackageName, Android.Content.PM.PackageInfoFlags.Activities).VersionName;
if (!preference.Contains("tesseract-data-version") || !preference.GetString("tesseract-data-version", null).Equals(appVersion)
|| !preference.Contains("tesseract-data-path"))
{
AndroidFileAsset.OverwriteMethod overwriteMethod = AndroidFileAsset.OverwriteMethod.AlwaysOverwrite;
FileInfo a8 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.traineddata", "tmp", overwriteMethod);
FileInfo a0 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.bigrams", "tmp", overwriteMethod);
FileInfo a1 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.fold", "tmp", overwriteMethod);
FileInfo a2 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.lm", "tmp", overwriteMethod);
FileInfo a3 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.nn", "tmp", overwriteMethod);
FileInfo a4 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.params", "tmp", overwriteMethod);
FileInfo a5 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.size", "tmp", overwriteMethod);
FileInfo a6 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.cube.word-freq", "tmp", overwriteMethod);
FileInfo a7 = AndroidFileAsset.WritePermanantFileAsset(this, "tessdata/eng.tesseract_cube.nn", "tmp", overwriteMethod);
//save tesseract data path
ISharedPreferencesEditor editor = preference.Edit();
editor.PutString("tesseract-data-version", appVersion);
editor.PutString("tesseract-data-path", System.IO.Path.Combine(a0.DirectoryName, "..") + System.IO.Path.DirectorySeparatorChar);
editor.Commit();
}
LicensePlateDetector detector = new LicensePlateDetector(preference.GetString("tesseract-data-path", null));
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<IInputOutputArray> licensePlateImagesList = new List<IInputOutputArray>();
List<IInputOutputArray> filteredLicensePlateImagesList = new List<IInputOutputArray>();
List<RotatedRect> licenseBoxList = new List<RotatedRect>();
List<string> words = detector.DetectLicensePlate(
image,
licensePlateImagesList,
filteredLicensePlateImagesList,
licenseBoxList);
watch.Stop(); //stop the timer
StringBuilder builder = new StringBuilder();
builder.Append(String.Format("{0} milli-seconds. ", watch.Elapsed.TotalMilliseconds));
foreach (String w in words)
builder.AppendFormat("{0} ", w);
SetMessage(builder.ToString());
foreach (RotatedRect box in licenseBoxList)
{
Rectangle rect = box.MinAreaRect();
image.Draw(rect, new Bgr(System.Drawing.Color.Red), 2);
}
SetImageBitmap(image.ToBitmap());
image.Dispose();
};
OnButtonClick += delegate
{
PickImage("license-plate.jpg");
};
}
