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;
}
}
static string RecognizeRegionsFromUrl(Configuration conf)
{
string urlToFile = @"https://upload.wikimedia.org/wikipedia/commons/2/2f/Book_of_Abraham_FirstPage.png";
List <OCRRegion> mImageBook_of_Abraham_FirstPagePngRegions = new List <OCRRegion>()
{
new OCRRegion()
{
Order = 0, Rect = new OCRRect(209, 28, 283, 39)
},
new OCRRegion()
{
Order = 1, Rect = new OCRRect(24, 114, 359, 185)
},
new OCRRegion()
{
Order = 2, Rect = new OCRRect(21, 201, 356, 451)
},
new OCRRegion()
{
Order = 3, Rect = new OCRRect(21, 464, 359, 558)
}
};
OcrApi api = new OcrApi(conf);
OCRRegionsRequestData requestData = new OCRRegionsRequestData()
{
Regions = mImageBook_of_Abraham_FirstPagePngRegions
};
OCRResponse response = api.OcrRegionsFromUrl(requestData, urlToFile);
return(response.Text);
}
/// <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>
/// 初始化API Client属性
/// </summary>
private void Initialize()
{
if (string.IsNullOrEmpty(BaseUrl))
{
throw new ArgumentNullException("BaseUrl");
}
if (string.IsNullOrEmpty(AppId))
{
throw new ArgumentNullException("AppId");
}
if (string.IsNullOrEmpty(SecretId))
{
throw new ArgumentNullException("SecretId");
}
if (string.IsNullOrEmpty(SecretKey))
{
throw new ArgumentNullException("SecretKey");
}
if (string.IsNullOrEmpty(UserId))
{
throw new ArgumentNullException("UserId");
}
Ocr = new OcrApi(this);
}
/* 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();
}
}
static string RecognizeRegionsFromContent(Configuration conf)
{
List <OCRRegion> mImage5PngRegions = new List <OCRRegion>()
{
new OCRRegion()
{
Order = 0, Rect = new OCRRect(243, 308, 2095, 964)
},
new OCRRegion()
{
Order = 1, Rect = new OCRRect(240, 1045, 2108, 1826)
},
new OCRRegion()
{
Order = 2, Rect = new OCRRect(237, 1916, 2083, 3180)
}
};
string name = "5.png";
using (FileStream fs = File.OpenRead(name))
{
OcrApi api = new OcrApi(conf);
OCRRegionsRequestData requestData = new OCRRegionsRequestData()
{
Language = LanguageEnum.English,
Regions = mImage5PngRegions
};
OCRResponse response = api.OcrRegionsFromContent(requestData, fs);
return(response.Text);
}
}
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;
}
}
}
public AsposeOCRCloudApiService(IConfiguration config)
{
string ClientId = config["AsposeOCRUserData:ClientId"];
string ClientSecret = config["AsposeOCRUserData:ClientSecret"];
OCRCloudApi = new OcrApi(apiKey: ClientSecret, appSid: ClientId);
OCRFileApi = new FileApi(apiKey: ClientSecret, appSid: ClientId);
}
/// <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);
}
}
static string RecognizeFromUrl(Configuration conf)
{
string imgUri = @"https://upload.wikimedia.org/wikipedia/commons/2/2f/Book_of_Abraham_FirstPage.png";
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(null, imgUri, resultType: ResultType.Text);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Text);
}
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 string RecognizeFromUrl(Configuration conf)
{
string imgUri = @"http://typecast.com/images/uploads/fluid-type-single-column.png";
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(null, imgUri);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Text);
}
static string RecognizeFromUrlToPdf(Configuration conf)
{
string url = @"https://upload.wikimedia.org/wikipedia/commons/2/2f/Book_of_Abraham_FirstPage.png";
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(null, url, LanguageEnum.Spanish, ResultType.Pdf, DsrMode.NoDsrNoFilter);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Text);
}
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();
}
}
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 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", ""));
}
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();
}
}
static string RecognizeFromContentToPdf(Configuration conf)
{
string name = "10.png";
using (FileStream fs = File.OpenRead(name))
{
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(fs, resultType: ResultType.Pdf, dsrMode: DsrMode.DsrAndFilter);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Pdf.Substring(0, 30) + " ..................");
}
}
static string RecognizeFromContent(Configuration conf)
{
string name = "10.png";
using (FileStream fs = File.OpenRead(name))
{
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(fs);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Text);
}
}
static string RecognizeTableFromUrl(Configuration conf)
{
string urlToFile = @"https://learnche.org/pid/_images/table-car-payments.png";
OcrApi api = new OcrApi(conf);
OCRTableRequestData requestData = new OCRTableRequestData()
{
MakeSkewCorrect = true
};
OCRTableResponse response = api.OcrTableFromUrl(requestData, urlToFile);
return(response.Text);
}
static string RecognizeFromContentDeFr(Configuration conf)
{
string name = "de_1.jpg";
using (FileStream fs = File.OpenRead(name))
{
OcrApi api = new OcrApi(conf);
var request = new PostOcrFromUrlOrContentRequest(fs, "", language: LanguageEnum.German);
OCRResponse response = api.PostOcrFromUrlOrContent(request);
return(response.Text);
}
}
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 Run()
{
// ExStart:1
// Instantiate Aspose Storage Cloud API SDK
StorageApi storageApi = new StorageApi(Common.APP_KEY, Common.APP_SID, Common.BASEPATH);
// Instantiate Aspose OCR Cloud API SDK
OcrApi ocrApi = new OcrApi(Common.APP_KEY, Common.APP_SID, Common.BASEPATH);
// Set the image file name
String name = "Sampleocr.bmp";
// Set the language of the document.
String language = "English";
// Set X and Y coordinate to recognize text inside..
int?rectX = 150;
int?rectY = 100;
//Set Width and Height to recognize text inside.
int?rectWidth = 1000;
int?rectHeight = 300;
//Set the spelling correction is used.
bool?useDefaultDictionaries = true;
//Set 3rd party cloud storage server (if any)
String storage = "";
String folder = "";
try
{
//upload source file to aspose cloud storage
storageApi.PutCreate(name, "", "", System.IO.File.ReadAllBytes(Common.GetDataDir() + name));
// invoke Aspose.OCR Cloud SDK API to extract text and partsinfo from an image
OCRResponse apiResponse = ocrApi.GetRecognizeDocument(name, language, rectX, rectY, rectWidth, rectHeight, useDefaultDictionaries, storage, folder);
if (apiResponse != null)
{
Console.WriteLine("Codetext: " + apiResponse.Text + "\n");
Console.WriteLine("Extract OCR or HOCR Text from a specific Block, Done!");
}
}
catch (Exception ex)
{
Console.WriteLine("error:" + ex.Message + "\n" + ex.StackTrace);
}
// ExEnd:1
}
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);
}
}
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);
}
}
static string RecognizeFromStorage(Configuration conf)
{
string name = "10.png";
OcrApi api = new OcrApi(conf);
FileApi fileApi = new FileApi(conf /* or AppSid & AppKey*/);
fileApi.UploadFile(new UploadFileRequest(name, System.IO.File.OpenRead(name)));
GetRecognizeDocumentRequest request = new GetRecognizeDocumentRequest(name);
OCRResponse response = api.GetRecognizeDocument(request);
return(response.Text);
}
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);
}
