private void button2_Click(object sender, EventArgs e)
{
TerminarFuenteDeVideo();
if (EspacioCamara.Image != null)
{
//Save First
Bitmap varBmp = new Bitmap(EspacioCamara.Image);
Bitmap newBitmap = new Bitmap(varBmp);
string physicalPath = Path.Combine("C:/root/JuntaFiles/", "a.jpg");
varBmp.Save(physicalPath, ImageFormat.Jpeg);
//varBmp.Save(@"C:\a.png", ImageFormat.Png);
//Now Dispose to free the memory
varBmp.Dispose();
varBmp = null;
}
else
{
MessageBox.Show("null exception");
}
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
string plainText = api.GetTextFromImage("C:/captura.png");
lblOcr.Text = plainText;
}
}
/* Auxiliary methods */
private void TakeImage_btn_Click(object sender, EventArgs e)
{
if (_capture != null)
{
pictureBox2.Image = pictureBox1.Image;
pictureBox1.Visible = false;
pictureBox2.Visible = true;
pictureBox2.Image.Save(@"C:\Users\lukaa\Desktop\l.jpg");
}
using (var objOcr = OcrApi.Create())
{
objOcr.Init(Patagames.Ocr.Enums.Languages.English);
string x = objOcr.GetTextFromImage(@"C:\Users\lukaa\Desktop\l.jpg");
x = new string((from c in x
where char.IsNumber(c)
select c
).ToArray());
int balance = int.Parse(x);
if (balance == 206)
{
balance = 200;
}
else if (balance == 1005)
{
balance = 1000;
}
RegistrationForm rf = (RegistrationForm)Application.OpenForms["RegistrationForm"];
rf.balance_txt.Text = balance.ToString();
}
}
private void btnconvert_Click(object sender, EventArgs e)
{
txtsubject.Text = "";
// open file dialog
OpenFileDialog open = new OpenFileDialog();
// image filters
open.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.png;*.bmp)|*.jpg; *.jpeg; *.gif; *.png;*.bmp";
if (open.ShowDialog() == DialogResult.OK)
{
string testImagePath = Path.GetFullPath(open.FileName);
try
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
string plainText = api.GetTextFromImage(testImagePath);
txtsubject.Text = plainText;
}
}
catch (Exception ex)
{
Console.WriteLine("Unexpected Error During Conversion");
return;
}
}
}
/// <summary>
/// 测试识别率。
/// </summary>
/// <param name="verificationCodeCategory">验证码类别。</param>
/// <param name="count">数量。</param>
/// <param name="action">回调函数。</param>
/// <returns>结果。成功数+总数。</returns>
public Tuple <int, int> Test(VerificationCodeCategory verificationCodeCategory, int count, Action <string> action)
{
var successCount = 0;
if (count > 0)
{
using (var ocrApi = OcrApi.Create())
{
ocrApi.Init(Languages.English);
for (int i = 0; i < count; i++)
{
var numberChar = Utils.GetRandString(verificationCodeCategory);
using (var bitmap = Utils.CreateCaptchaSimpleImage(numberChar))
{
var text = ocrApi.GetTextFromImage(bitmap);
var resultSuccess = string.Equals(numberChar?.Trim(), text?.Trim(),
StringComparison.CurrentCultureIgnoreCase);
var resultMessage = resultSuccess
? "识别成功"
: "识别失败";
if (resultSuccess)
{
successCount++;
}
var message = $"{i + 1}, 随机数是{numberChar},验证码识别是{text},结果：{resultMessage}。 \r\n";
action?.Invoke(message);
bitmap.Dispose();
}
}
}
}
return(new Tuple <int, int>(successCount, count));
}
/// <summary>
/// 识别字符串。
/// </summary>
/// <param name="bitmap">bitmap图片。</param>
/// <returns>识别结果。</returns>
public string GetStringFromImage(Bitmap bitmap)
{
using (var ocrApi = OcrApi.Create())
{
ocrApi.Init(Languages.English);
return(ocrApi.GetTextFromImage(bitmap));
}
}
private string RecognizeText(string filename)
{
using (var ocrEntity = OcrApi.Create())
{
ocrEntity.Init(Patagames.Ocr.Enums.Languages.English);
string recognizedText = ocrEntity.GetTextFromImage(filename);
return(recognizedText);
}
}
private void button1_Click(object sender, EventArgs e)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.Arabic);
String Text = api.GetTextFromImage(@"C:\OCR\arabic-1.jpg");
label1.Text = Text.ToString();
}
}
static void Main(string[] args)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.Japanese);
string plainText = api.GetTextFromImage(filepath);
Console.WriteLine(plainText);
}
Console.ReadLine();
}
public void ConvertImageToText()
{
using (var api = OcrApi.Create())
{
api.Init(Languages.Lithuanian);
string plainText = api.GetTextFromImage("C:\\Users\\justas\\source\\repos\\ProjectTesseract\\ProjectTesseract\\Test3.jpg");
Console.WriteLine(plainText);
Console.Read();
}
}
//Poor results :(
public void ConvertImageToText()
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
string image = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "jcaptcha.jpg");
string plainText = api.GetTextFromImage(image);
Console.WriteLine(plainText);
Console.Read();
}
}
public string GetCaptChaCode(string path)
{
string captchaCode = "";
using (var objOcr = OcrApi.Create())
{
objOcr.Init(Patagames.Ocr.Enums.Languages.English);
captchaCode = objOcr.GetTextFromImage(path);
}
return(captchaCode = Regex.Replace(captchaCode, @"\r\n?|\n", ""));
}
private static string ParseData(string imagename)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English, null, OcrEngineMode.OEM_TESSERACT_ONLY);
var plainText = api.GetTextFromImage(imagename);
var format = plainText.Split('\n')[0];
return(CleanString(format));
}
}
public static string ExtractTextFromImage(string path)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
using (var bmp = Bitmap.FromFile(path) as Bitmap)
{
string plainText = api.GetTextFromImage(bmp);
return(plainText);
}
}
}
public static void ConvertImageToText(Bitmap img)
{
using (var api = OcrApi.Create())
{
// api.Init(dataPath:@"F:\!prog\La2\WpfLa2\WpfLa2\bin\Debug\x64\tesseract.dll",language:Languages.English);
api.Init(language: Languages.English);
// string plainText = api.GetTextFromImage(img);
string plainText = api.GetTextFromImage("screenshot2.png");
Console.WriteLine(plainText);
Console.Read();
}
}
private string RecognizeText(string path)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English, "./", OcrEngineMode.OEM_TESSERACT_CUBE_COMBINED);
string plainText = api.GetTextFromImage(path);
plainText = Regex.Replace(plainText, "[^a-zA-Z0-9]", "").ToUpper();
if (plainText.Length >= 8)
{
plainText = plainText.Remove(2, 1).ToString();
}
return(plainText);
}
}
private void button1_Click(object sender, EventArgs e)
{
using (var api = OcrApi.Create())
{
OpenFileDialog op = new OpenFileDialog();
api.Init(Languages.English);
Image test = Image.FromFile(path);
string plainText = api.GetTextFromImage(ResizeImage(test, 499, 499));
MessageBox.Show(plainText);
}
}
public static void ImageText()
{
try
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
string plaintext = api.GetTextFromImage(invoice55);
}
}
catch (Exception e)
{
Console.WriteLine("Unexpected Error: " + e.Message);
}
}
public static string GetText(Bitmap imgsource)
{
string text;
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
using (var bmp = imgsource)
{
text = api.GetTextFromImage(bmp);
}
}
return(text);
}
private string GetOCR(Bitmap big, Imaging.ImageRange range, bool flag = true)
{
Point p = new Point();
int width = 0;
int height = 0;
p.X = range.loc.X;
p.Y = range.loc.Y;
width = range.width;
height = range.height;
big = Imaging.CropImage(big, p, width, height);
big = Imaging.ConvertFormat(big, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
if (!flag)
{
big = Imaging.MakeGrayscale3(big);
}
//;
else
{
big = grayscale(big);
}
//tessnet2.Tesseract api = new tessnet2.Tesseract();
//api.Init()
OcrApi.PathToEngine = Environment.CurrentDirectory + @"\tesseract.dll";
OcrApi api = OcrApi.Create();
Languages[] lang = { Languages.English };
api.Init(lang, null, OcrEngineMode.OEM_TESSERACT_CUBE_COMBINED);
api.SetVariable("tessedit_char_whitelist", "0123456789");
string plainText = api.GetTextFromImage(big);
////Console.WriteLine(plainText);
////this.Invoke(new MethodInvoker(delegate() { txtLog.AppendText(plainText + Environment.NewLine); }));
api.Dispose();
api = null;
System.GC.Collect(0, GCCollectionMode.Forced);
System.GC.WaitForPendingFinalizers();
return(plainText);
//return "";
}
public string GetCaptChaCode()
{
string captchaCode = "";
using (WebClient client = new WebClient())
{
client.DownloadFile(new Uri("http://tracuuhoadon.gdt.gov.vn/Captcha.jpg"), "Captcha.jpg");
//var autoOcr = new AutoOcr();
//Image img = new Bitmap(Application.StartupPath + "\\Captcha.jpg");
//captchaCode = autoOcr.Read(img).ToString();
using (var objOcr = OcrApi.Create())
{
objOcr.Init(Patagames.Ocr.Enums.Languages.English);
captchaCode = objOcr.GetTextFromImage(Application.StartupPath + "\\Captcha.jpg");
}
return(captchaCode = Regex.Replace(captchaCode, @"\r\n?|\n", ""));
}
}
public static string ConvertImageToText(string filePath)
{
string plainText = "Error 505";
using (var api = OcrApi.Create())
{
api.Init(Languages.Lithuanian, "./");
//Image<Bgr, byte> imgInput = new Image<Bgr, byte>("..\\..\\Book_test.jpg");
//Image<Gray, byte> imgGray = imgInput.Convert<Gray, byte>();
//imgGray.Dilate(1);
//imgGray.Erode(1);
//Image<Gray, byte> imgBinarize = new Image<Gray, byte>(imgGray.Width, imgGray.Height, new Gray(0));
//CvInvoke.Threshold(imgGray, imgBinarize, 90, 255, Emgu.CV.CvEnum.ThresholdType.Binary);
//plainText = api.GetTextFromImage(imgBinarize.Bitmap);
plainText = api.GetTextFromImage(filePath);
}
return(plainText);
}
public string GetText(string path)
{
try
{
var answer = new AnswerModel();
using (var api = OcrApi.Create())
{
api.Init(Languages.English, "./");
answer.OutText = api.GetTextFromImage(path);
}
return(JsonSerializer.Serialize(answer));
}
catch (Exception exception)
{
_logger.LogError("Ошибка выполнения GetText {exception}", exception);
return(null);
}
}
static void Main(string[] args)
{
string picPath = @"Pic/Untitled.png";
if (File.Exists(picPath))
{
using (var ocr = OcrApi.Create())
{
ocr.Init(Patagames.Ocr.Enums.Languages.English);
string plainText = ocr.GetTextFromImage(picPath);
Console.WriteLine(plainText);
}
}
else
{
Console.WriteLine($"Couldn't find {picPath}");
}
Console.ReadLine();
}
static void Main(string[] args)
{
var path = args[0];
var targets = Directory.EnumerateFiles(path, "*.png");
var c = 0;
var r = new Regex("[0-9]{3,4}");
using (var api = OcrApi.Create())
{
api.Init(Languages.English);
api.ReadConfigFiles("TessConf.txt");
foreach (var item in targets.Skip(0))
{
using (var src = new Bitmap(item))
{
var bmps = GetImages(src);
foreach (var tg in bmps)
{
using (tg)
{
tg.Save($"test\\test_{c++}.png");
var text = api.GetTextFromImage(tg);
var m = r.Match(text);
if (!m.Success)
{
Console.WriteLine(text + "?");
}
Console.WriteLine(m.Value);
}
}
}
}
}
Console.ReadLine();
}
string TesseractAPI()
{
using (var objOcr = OcrApi.Create())
{
objOcr.Init(Patagames.Ocr.Enums.Languages.English);
objOcr.SetVariable("tessedit_char_whitelist", "0123456789-Model:");
ICapture capture = (ICapture)video;
Mat img = capture.QueryFrame();
int with = img.Width;
int heigh = img.Height;
Image <Hsv, byte> image1 = (Image <Hsv, byte>)null;
image1 = new Image <Hsv, byte>(img.Bitmap);
int width = integerVariable3 - integerVariable1;
int height = integerVariable4 - integerVariable2;
Rectangle rect = new Rectangle(integerVariable1, integerVariable2, width, height);
image1.Draw(rect, new Hsv(0.0, 0.0, (double)byte.MaxValue), 10, Emgu.CV.CvEnum.LineType.AntiAlias, 0);
image1.Save(@"C:\Images\Labe.jpg");
image1.Dispose();
var _bmp = Bitmap.FromFile(@"C:\Images\Labe.jpg");
string _OCR = objOcr.GetTextFromImage((Bitmap)_bmp);
_bmp.Dispose();
return(_OCR);
}
}
private void ScanImageButton_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog sudokuBoardImage = new Microsoft.Win32.OpenFileDialog();
sudokuBoardImage.Filter = "Image files |*.png;*.jpeg;*jpg";
if (sudokuBoardImage.ShowDialog() == true)
{
var api = OcrApi.Create();
api.Init(Languages.English);
try
{
string sudokuValuesFromFile = api.GetTextFromImage(sudokuBoardImage.FileName);
sudokuValuesFromFile = sudokuValuesFromFile.Replace("\n", "");
if (sudokuValuesFromFile.Length != TOTAL_SUDOKU_VALUES)
{
MessageBox.Show($"{sudokuValuesFromFile.Length} Incompatible board - Empty boxes should be filled in with X's");
MessageBox.Show(sudokuValuesFromFile);
return;
}
for (int i = 0; i < TOTAL_SUDOKU_VALUES; i++)
{
TextBox temp = (TextBox)BoardGrid.Children[i];
int newValue;
if (!Int32.TryParse(sudokuValuesFromFile[i].ToString(), out newValue))
{
continue;
}
temp.Text = sudokuValuesFromFile[i] == 'X' ? "" : newValue.ToString();
}
} catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
private string ExtractTextFromImage(string filePath)
{
string datapath = Server.MapPath("~");
List <System.Drawing.Image> cropimages = new List <System.Drawing.Image>();
System.Drawing.Image img = System.Drawing.Image.FromFile(filePath, true);
int totalColumns = 0;
int.TryParse(txtColumns.Text, out totalColumns);
int totalRows = 0;
int.TryParse(txtRows.Text, out totalRows);
cropimages = MultiCrop(filePath, img, totalRows, totalColumns);
string directorypath = Server.MapPath("~/uploads/") + Path.GetFileNameWithoutExtension(filePath);
if (!Directory.Exists(directorypath))
{
Directory.CreateDirectory(directorypath);
}
DataTable dt = new DataTable();
for (int i = 1; i <= totalColumns; i++)
{
dt.Columns.Add("Column" + i);
}
List <string> lstdata = new List <string>();
for (int i = 0; i < cropimages.Count; i++)
{
{
string temp_crop_file = directorypath + "\\" + i + Path.GetExtension(filePath);
{
cropimages[i].Save(temp_crop_file);
}
try
{
string[] configs = { "config.cfg" };
using (var api = OcrApi.Create())
{
api.Init(Languages.English, datapath, OcrEngineMode.OEM_DEFAULT, configs);
using (var bmp = Bitmap.FromFile(temp_crop_file) as Bitmap)
{
string extracedText = api.GetTextFromImage(bmp);
lstdata.Add(extracedText);
}
}
}
catch
{
lstdata.Add("");
}
}
}
for (int i = 0; i < lstdata.Count; i++)
{
DataRow dr = dt.NewRow();
for (int j = 0; j < totalColumns; j++)
{
dr[j] = lstdata[i];
i++;
if (i >= lstdata.Count)
{
break;
}
}
i--;
dt.Rows.Add(dr);
}
GenerateReport(dt);
string extractedText = "";
//string extractedText = modiImage.Layout.Text;
//modiDocument.Close();
return(extractedText);
}
public ActionResult Index(HttpPostedFileBase file)
{
List <string> productNames = new List <string>();
double max = 0, max2 = 0;
string name1 = "", name2 = "";
var products = from p in db.Products
select p.Name;
foreach (var p in products)
{
productNames.Add(p.ToString());
}
if (file != null && file.ContentLength > 0)
{
try
{
string path = Path.Combine(Server.MapPath("~/Content/Images"),
Path.GetFileName(file.FileName));
file.SaveAs(path);
ViewBag.Message = "Sikeres feltöltés";
}
catch (Exception ex)
{
ViewBag.Message = "ERROR:" + ex.Message.ToString();
}
}
else
{
ViewBag.Message = "Nem lett fájl kiválasztva";
}
if (file != null && file.ContentLength > 0)
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English, "C:/Users/Ati/Documents/Visual Studio 2015/Projects/MVCapp/MVCapp");
using (var bmp = Bitmap.FromFile(Path.Combine(Server.MapPath("~/Content/Images"),
Path.GetFileName(file.FileName))) as Bitmap)
{
string plainText = api.GetTextFromImage(bmp);
plainText = Regex.Replace(plainText, @"\W", "");
foreach (var name in productNames)
{
double temp = Levenshtein.CalculateSimilarity(plainText, name);
if (temp > max)
{
max2 = max;
name2 = name1;
max = temp;
name1 = name;
}
else if (temp > max2)
{
max2 = temp;
name2 = name;
}
}
}
}
}
var results = from p in db.Products
where p.Name == name1 || p.Name == name2
select p;
return(View(results.ToList()));
}
public static string GetLastSeen()
{
string lastonline = "";
while (true)
{
Thread.Sleep(5000);
IntPtr hwnd = CommonCode.FindWindow("Qt5QWindowOwnDCIcon", null);
CommonCode.SetWindowPos(hwnd, CommonCode.WndTopMost, 0, 0, 0, 0, CommonCode.SWP_NOSIZE | CommonCode.SWP_SHOWWINDOW);
Bitmap screen = new Bitmap(167, 14);
using (Graphics g = Graphics.FromImage(screen))
{
g.CopyFromScreen(375, 113, 0, 0, screen.Size);
screen.Save("image1.png");
float width = screen.Width * (float)1.4;
float height = screen.Height * (float)1.4;
var brush = new SolidBrush(Color.White);
var bmp = new Bitmap((int)width, (int)height);
var graph = Graphics.FromImage(bmp);
graph.InterpolationMode = InterpolationMode.High;
graph.CompositingQuality = CompositingQuality.HighQuality;
graph.SmoothingMode = SmoothingMode.AntiAlias;
var scaleWidth = (int)(width);
var scaleHeight = (int)(height);
graph.FillRectangle(brush, new RectangleF(0, 0, width, height));
graph.DrawImage(screen, ((int)width - scaleWidth) / 2, ((int)height - scaleHeight) / 2, scaleWidth, scaleHeight);
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
var pixel = bmp.GetPixel(x, y);
var color = Color.FromArgb(pixel.A, pixel.R, pixel.G, pixel.B);
if (color.R == 255 && color.G == 255 && color.B == 255 || color == Color.White)
{
continue;
}
var brightness = color.GetBrightness();
if (brightness < 0.83 && x > 0)
{
bmp.SetPixel(x, y, Color.Black);
bmp.SetPixel(x - 1, y, Color.Black);
}
else if (brightness > 0.83)
{
bmp.SetPixel(x, y, Color.White);
}
}
}
bmp.Save("image.png");
}
var api = OcrApi.Create();
api.Init(Languages.English);
string text = api.GetTextFromImage("image.png").ToLower();
screen.Dispose();
api.Dispose();
if (text.Contains("mm ago"))
{
text = text.Replace("mm ago", "min ago");
}
if (text.Contains("last seen a long"))
{
lastonline = "Last seen a long time ago";
}
else
{
lastonline = text.Trim();
}
if (lastonline != "")
{
break;
}
}
return(lastonline);
}
public HttpResponseMessage ProcessImageOCR(ImageData data)
{
try
{
HttpResponseMessage httpResponseMessage = new HttpResponseMessage();
using (var db = new NotesAppEntities())
{
if (db.Images.Where(s => s.ImageBase64String == data.base64String).Any())
{
var imagedata = db.Images.Where(s => s.ImageBase64String == data.base64String).FirstOrDefault();
if (imagedata != null)
{
string plainText = imagedata.OCRText;
return(Extensions.GetTextFile(plainText));
}
}
if (!string.IsNullOrEmpty(data.base64String))
{
var ImagePath = Extensions.LoadImage(data.base64String);
if (!string.IsNullOrEmpty(ImagePath))
{
var ext = Path.GetExtension(ImagePath);
if (ext == ".jpg" || ext == ".jpeg")
{
using (var api = OcrApi.Create())
{
api.Init(Languages.English, HttpContext.Current.Server.MapPath("~"));
string plainText = api.GetTextFromImage(ImagePath);
db.Images.Add(new Image
{
ImageBase64String = data.base64String,
OCRText = plainText,
CreatedUTC = DateTime.UtcNow
});
db.SaveChanges();
return(Extensions.GetTextFile(plainText));
}
}
else
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "Please give path for jpg or jpeg images only."));
}
}
else
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "Please give path for jpg or jpeg images only."));
}
}
else
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "Please provide jpg image path to process ocr."));
}
}
}
catch (Exception ex)
{
//throw ex;
return(Request.CreateResponse(HttpStatusCode.BadRequest, ex.Message));
}
}