//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static void main(String[] args) throws java.io.IOException
public static void Main(string[] args)
{
// User input parameters
//*******************************************************************************************************************************************
string imagePath = "C:/Users/Mihailo/Desktop/OCR/tekst.png"; //path to the image with letters (document) for recognition
string textPath = "C:/Users/Mihailo/Desktop/OCR/tekst.txt"; // path to the .txt file where the recognized text will be stored
string networkPath = "C:/Users/Mihailo/Desktop/OCR/network.nnet"; // locatoin of the trained network
int fontSize = 12; // fontSize, predicted by height of the letters, minimum font size is 12 pt
int scanQuality = 300; // scan quality, minimum quality is 300 dpi
//*******************************************************************************************************************************************
BufferedImage image = ImageIO.read(new File(imagePath));
ImageFilterChain chain = new ImageFilterChain();
chain.addFilter(new GrayscaleFilter());
chain.addFilter(new OtsuBinarizeFilter());
BufferedImage binarizedImage = chain.processImage(image);
// Information about letters and text
Letter letterInfo = new Letter(scanQuality, binarizedImage);
// letterInfo.recognizeDots(); // call this method only if you want to recognize dots and other litle characters, TODO
Text textInfo = new Text(binarizedImage, letterInfo);
OCRTextRecognition recognition = new OCRTextRecognition(letterInfo, textInfo);
recognition.NetworkPath = networkPath;
recognition.recognize();
//if you want to save recognized text
// recognition.setRecognizedTextPath(textPath);
// recognition.saveText();
Console.WriteLine(recognition.RecognizedText);
}
// creates hsl map from given image files - params should be files List<File> - or even better image files
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static java.util.Map<String, FractionHSLData> getFractionHSLDataForDirectory(java.io.File imgDir, org.neuroph.imgrec.image.Dimension samplingResolution) throws java.io.IOException
public static IDictionary <string, FractionHSLData> getFractionHSLDataForDirectory(File imgDir, Dimension samplingResolution)
{
if (!imgDir.Directory)
{
throw new System.ArgumentException("The given file must be a directory. Argument is: " + imgDir);
}
IDictionary <string, FractionHSLData> map = new Dictionary <string, FractionHSLData>();
ImageFilesIterator imagesIterator = new ImageFilesIterator(imgDir);
try
{
while (imagesIterator.hasNext())
{
File imgFile = imagesIterator.next();
BufferedImage img = ImageIO.read(imgFile);
BufferedImage image = ImageUtilities.resizeImage(img, samplingResolution.Width, samplingResolution.Height);
string filenameOfCurrentImage = imgFile.Name;
//String filenameOfCurrentImage = imagesIterator.getFilenameOfCurrentImage();
StringTokenizer st = new StringTokenizer(filenameOfCurrentImage, ".");
map[st.nextToken()] = new FractionHSLData(image);
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
return(map);
}
public Picture(string str)
{
this.isOriginUpperLeft = true;
this.filename = str;
try
{
File file = new File(str);
if (file.isFile())
{
this.image = ImageIO.read(file);
}
else
{
URL uRL = java.lang.Object.instancehelper_getClass(this).getResource(str);
if (uRL == null)
{
uRL = new URL(str);
}
this.image = ImageIO.read(uRL);
}
this.width = this.image.getWidth(null);
this.height = this.image.getHeight(null);
}
catch (IOException arg_7E_0)
{
goto IL_82;
}
return;
IL_82:
string arg_A7_0 = new StringBuilder().append("Could not open file: ").append(str).toString();
throw new RuntimeException(arg_A7_0);
}
private void loadImageOfUser(string paramString)
{
string str = DatabaseDBUtil.Properties.ConnectionHost;
if (this.imgcIcon == null && !string.ReferenceEquals(str, null))
{
if (DatabaseDBUtil.Enterprise)
{
if (!str.StartsWith("http://", StringComparison.Ordinal) && !str.StartsWith("https://", StringComparison.Ordinal))
{
str = "http://" + str;
}
string str1 = str + "/ces/pictures/showAvatar?userId=" + DatabaseDBUtil.Properties.UserId;
try
{
BufferedImage bufferedImage1 = ImageIO.read((new URL(str1)).openStream());
BufferedImage bufferedImage2 = ImageUtils.resizeImage(bufferedImage1, 1, 12, 12);
this.imgcIcon = new ImageIcon(bufferedImage2);
}
catch (Exception)
{
this.imgcIcon = new ImageIcon();
}
}
else
{
this.imgcIcon = new ImageIcon();
}
}
if (this.imgcIcon != null)
{
((JideButton)this.o_trailingButton).Icon = this.imgcIcon;
}
}
public Picture(File f)
{
this.isOriginUpperLeft = true;
IOException ex;
try
{
this.image = ImageIO.read(f);
}
catch (IOException arg_20_0)
{
ex = ByteCodeHelper.MapException <IOException>(arg_20_0, ByteCodeHelper.MapFlags.NoRemapping);
goto IL_2A;
}
if (this.image == null)
{
string arg_82_0 = new StringBuilder().append("Invalid image file: ").append(f).toString();
throw new RuntimeException(arg_82_0);
}
this.width = this.image.getWidth(null);
this.height = this.image.getHeight(null);
this.filename = f.getName();
return;
IL_2A:
IOException this2 = ex;
Throwable.instancehelper_printStackTrace(this2);
string arg_55_0 = new StringBuilder().append("Could not open file: ").append(f).toString();
throw new RuntimeException(arg_55_0);
}
public JXMapViewer()
{
if (!InstanceFieldsInitialized)
{
InitializeInstanceFields();
InstanceFieldsInitialized = true;
}
PanMouseInputListener panMouseInputListener = new PanMouseInputListener(this, null);
RecenterOnClickEnabled = false;
addMouseListener(panMouseInputListener);
addMouseMotionListener(panMouseInputListener);
addMouseWheelListener(new ZoomMouseWheelListener(this, null));
addKeyListener(new PanKeyListener(this, null));
try
{
URL uRL = this.GetType().getResource("mapviewer/resources/loading.png");
LoadingImage = ImageIO.read(uRL);
}
catch (Exception)
{
Console.WriteLine("could not load 'loading.png'");
BufferedImage bufferedImage = new BufferedImage(16, 16, 2);
Graphics2D graphics2D = bufferedImage.createGraphics();
graphics2D.Color = Color.black;
graphics2D.fillRect(0, 0, 16, 16);
graphics2D.dispose();
LoadingImage = bufferedImage;
}
BackgroundPainter = new AbstractPainterAnonymousInnerClass(this);
}
private bool parseImage()
{
_image = ImageIO.read(_is);
_width = _image.getWidth();
_height = _image.getHeight();
TempStream ts = new TempStream();
WriteStream os = new WriteStream(ts);
try {
ImageIO.write(_image, "jpeg", os);
} finally {
os.close();
}
/*
* os = Vfs.openWrite("file:/tmp/caucho/qa/test.jpg");
* try {
* ImageIO.write(_image, "jpeg", os);
* } finally {
* os.close();
* }
*
* os = Vfs.openWrite("file:/tmp/caucho/qa/test.png");
* try {
* ImageIO.write(_image, "png", os);
* } finally {
* os.close();
* }
*/
return(parseImageJpeg(ts.openRead()));
}
public BufferedImage composeImageForSector(Sector sector, int canvasWidth, int canvasHeight, double aspectRatio,
int levelNumber, String mimeType, bool abortOnError, BufferedImage image, int timeout)
{
if (sector == null)
{
String message = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
Level requestedLevel;
if ((levelNumber >= 0) && (levelNumber < this.getLevels().getNumLevels()))
{
requestedLevel = this.getLevels().getLevel(levelNumber);
}
else
{
requestedLevel = this.getLevels().getLastLevel();
}
ComposeImageTile tile =
new ComposeImageTile(sector, mimeType, requestedLevel, canvasWidth, canvasHeight);
try
{
if (image == null)
{
image = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_RGB);
}
downloadImage(tile, mimeType, timeout);
Thread.sleep(1); // generates ThreadInterruptedException if thread has been interupted
BufferedImage tileImage = ImageIO.read(tile.getFile());
Thread.sleep(1); // generates ThreadInterruptedException if thread has been interupted
ImageUtil.mergeImage(sector, tile.getSector(), aspectRatio, tileImage, image);
Thread.sleep(1); // generates ThreadInterruptedException if thread has been interupted
this.firePropertyChange(AVKey.PROGRESS, 0d, 1d);
}
catch (InterruptedIOException e)
{
throw e;
}
catch (Exception e)
{
if (abortOnError)
{
throw e;
}
String message = Logging.getMessage("generic.ExceptionWhileRequestingImage", tile.getPath());
Logging.logger().log(java.util.logging.Level.WARNING, message, e);
}
return(image);
}
public QuercusImage(Env env, string filename)
{
try {
_bufferedImage = ImageIO.read(filename.openRead());
_graphics = (Graphics2D)_bufferedImage.getGraphics();
}
catch (IOException e) {
throw new QuercusException(e);
}
}
public QuercusImage(InputStream inputStream)
{
try {
_bufferedImage = ImageIO.read(inputStream);
_graphics = (Graphics2D)_bufferedImage.getGraphics();
}
catch (IOException e) {
throw new QuercusException(e);
}
}
/// <summary>
/// Loads image from the file.
/// </summary>
/// <param name="file"> image file </param>
/// <returns> loaded image </returns>
public static BufferedImage loadImage(File file)
{
try
{
return(ImageIO.read(file));
}
catch (IOException ex)
{
throw new Exception("IOException whle trying to load image file" + file.Name, ex);
}
}
public void SetIcon(File icon)
{
try
{
this.image = ImageIO.read(icon);
iconChanged = true;
// logger.info("set icon from file: " + _icon.getWidth());
}
catch (IOException ex)
{
logger.catching(ex);
}
}
/// <summary>
/// This method loads the input Image and returns the cleaned version
/// </summary>
/// <param name="file"> - input file that will be loaded as image </param>
/// <returns> - return cleaned loaded image as BufferedImage </returns>
public static BufferedImage loadAndCleanImage(File file)
{
try
{
BufferedImage image = ImageIO.read(file);
return(blackAndLightGrayCleaning(image));
}
catch (IOException ex)
{
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
Logger.getLogger(typeof(ImageUtilities).FullName).log(Level.SEVERE, null, ex);
return(null);
}
}
protected internal virtual bool compareScreenshots(File expected, File result, File compare)
{
bool equals = false;
try
{
System.Drawing.Bitmap expectedImg = ImageIO.read(expected);
System.Drawing.Bitmap resultImg;
try
{
resultImg = ImageIO.read(result);
}
catch (Exception)
{
// java.lang.RuntimeException: New BMP version not implemented yet.
resultImg = readBmp(result);
}
int width = System.Math.Min(expectedImg.Width, resultImg.Width);
int height = System.Math.Min(expectedImg.Height, resultImg.Height);
System.Drawing.Bitmap compareImg = new System.Drawing.Bitmap(width, height, System.Drawing.Bitmap.TYPE_INT_RGB);
equals = true;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int expectedColor = expectedImg.getRGB(x, y);
int resultColor = resultImg.getRGB(x, y);
if (areColorsEqual(expectedColor, resultColor))
{
compareImg.setRGB(x, y, 0x000000);
}
else
{
compareImg.setRGB(x, y, 0xFF0000);
equals = false;
}
}
}
ImageIO.write(compareImg, "bmp", compare);
}
catch (IOException e)
{
error(string.Format("comparing screenshots {0}", e));
}
return(equals);
}
protected internal virtual DiagramNode getDiagramBoundsFromImage(Stream imageStream, int offsetTop, int offsetBottom)
{
BufferedImage image;
try
{
image = ImageIO.read(imageStream);
}
catch (IOException e)
{
throw new ProcessEngineException("Error while reading process diagram image.", e);
}
DiagramNode diagramBoundsImage = getDiagramBoundsFromImage(image, offsetTop, offsetBottom);
return(diagramBoundsImage);
}
public static string uploadLocalImage(string paramString, Type paramClass, long?paramLong)
{
File file1 = new File("data/images/" + paramClass.Name.ToLower());
if (!file1.exists())
{
file1.mkdirs();
}
File file2 = new File(paramString);
string str1 = file2.Name.substring(0, file2.Name.LastIndexOf("."));
string str2 = getLocalPathOfImage(str1, paramClass, paramLong);
File file3 = new File(str2);
ImageUtils.saveImage(ImageIO.read(file2), file3.AbsolutePath, 1);
return(str1);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static java.awt.image.BufferedImage resizeImage(String paramString, int paramInt1, int paramInt2) throws java.io.IOException
public static BufferedImage resizeImage(string paramString, int paramInt1, int paramInt2)
{
BufferedImage bufferedImage = null;
if (paramString.ToLower().EndsWith(".png", StringComparison.Ordinal))
{
bufferedImage = resizeImage(ImageIO.read(new File(paramString)), 1, paramInt1, paramInt2);
}
else if (paramString.ToLower().EndsWith(".gif", StringComparison.Ordinal))
{
bufferedImage = resizeImage(ImageIO.read(new File(paramString)), 3, paramInt1, paramInt2);
}
else
{
bufferedImage = resizeImage(ImageIO.read(new File(paramString)), 0, paramInt1, paramInt2);
}
return(bufferedImage);
}
public Benchmark(int resolution, bool showOutput, bool showBenchmarkOutput, bool saveOutput, int threads)
{
UI.set(this);
this.resolution = resolution;
this.showOutput = showOutput;
this.showBenchmarkOutput = showBenchmarkOutput;
this.saveOutput = saveOutput;
this.threads = threads;
errorThreshold = 6;
// fetch reference image from resources (jar file or classpath)
if (saveOutput)
{
return;
}
URL imageURL = getResource(string.Format("/resources/golden_{0}.png", resolution));//fixme: add padding zeros
if (imageURL == null)
{
UI.printError(UI.Module.BENCH, "Unable to find reference frame!");
}
UI.printInfo(UI.Module.BENCH, "Loading reference image from: {0}", imageURL);
try
{
BufferedImage bi = ImageIO.read(imageURL);
if (bi.getWidth() != resolution || bi.getHeight() != resolution)
{
UI.printError(UI.Module.BENCH, "Reference image has invalid resolution! Expected {0}x{1} found {2}x{3}", resolution, resolution, bi.getWidth(), bi.getHeight());
}
referenceImage = new int[resolution * resolution];
for (int y = 0, i = 0; y < resolution; y++)
{
for (int x = 0; x < resolution; x++, i++)
{
referenceImage[i] = bi.getRGB(x, resolution - 1 - y); // flip
}
}
}
catch (Exception e)
{
UI.printError(UI.Module.BENCH, "Unable to load reference frame!");
}
}
///
/// <summary>
/// Inverts the image colors from negative to positive
/// </summary>
/// <returns> the image with inverted colors </returns>
public static BufferedImage invertImage(string imageName)
{
// read the image file
BufferedImage inputFile = null;
try
{
inputFile = ImageIO.read(new File(imageName));
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
// go through image pixels and reverse their color
for (int x = 0; x < inputFile.Width; x++)
{
for (int y = 0; y < inputFile.Height; y++)
{
int rgba = inputFile.getRGB(x, y);
Color col = new Color(rgba, true);
col = new Color(255 - col.Red, 255 - col.Green, 255 - col.Blue);
inputFile.setRGB(x, y, col.RGB);
}
}
//write the image to a file blackandwhite.png
try
{
File outputFile = new File("blackandwhite.png");
ImageIO.write(inputFile, "png", outputFile);
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
return(inputFile);
}
private System.Drawing.Bitmap readImage(int offset, int Length)
{
int currentPosition = tell();
seek(pImgData + offset);
sbyte[] buffer = readBytes(Length);
seek(currentPosition);
System.IO.Stream imageInputStream = new System.IO.MemoryStream(buffer);
System.Drawing.Bitmap System.Drawing.Bitmap = null;
try
{
System.Drawing.Bitmap = ImageIO.read(imageInputStream);
imageInputStream.Close();
// Add an alpha color channel if not available
if (!System.Drawing.Bitmap.ColorModel.hasAlpha())
{
System.Drawing.Bitmap System.Drawing.BitmapWithAlpha = new System.Drawing.Bitmap(System.Drawing.Bitmap.Width, System.Drawing.Bitmap.Height, System.Drawing.Bitmap.TYPE_INT_ARGB);
Graphics2D g = System.Drawing.BitmapWithAlpha.createGraphics();
g.drawImage(System.Drawing.Bitmap, 0, 0, null);
g.dispose();
System.Drawing.Bitmap = System.Drawing.BitmapWithAlpha;
}
if (dumpImages)
{
ImageIO.write(System.Drawing.Bitmap, "png", new File(string.Format("tmp/Image0x{0:X}.png", offset)));
}
}
catch (IOException e)
{
Console.WriteLine(string.Format("Error reading image from RCO at 0x{0:X}, Length=0x{1:X}", offset, Length), e);
}
return(System.Drawing.Bitmap);
}
public virtual void run()
{
try
{
// load image with text to recognize
if (image == null)
{
image = ImageIO.read(new File(textImageFile));
}
//binarize the input image
image = BinaryOps.binary(textImageFile);
//dataset creation
/// <summary>
/// CharacterExtractor ce1 = new CharacterExtractor(); File
/// inputImage1 = new File(datasetImageFile); File outputDirectory1 =
/// new File (datasetOutputFile); ce1.slice(inputImage1,
/// outputDirectory1, 60, 60);
/// </summary>
// crop the white rectange from the image
File cropFile = crop(image);
// extract individual characters from text image
CharacterExtractor ce = new CharacterExtractor();
//make the output file
File outputDirectory = new File(charOutputFile);
//slice the cropped file to individual character with the width and height of 60px
ce.slice(cropFile, outputDirectory, 60, 60);
//make a list of character images and add the images form char files
List <BufferedImage> lista = new List <BufferedImage>();
for (int i = 0; i <= 7; i++)
{
File f = new File("data/char_" + i + ".png");
BufferedImage bi = ImageIO.read(f);
lista.Add(bi);
}
// load neural network from file
if (nnet == null)
{
NeuralNetwork nnet = NeuralNetwork.createFromFile(neuralNetworkFile);
}
// get ocr plugin from neural network
nnet.addPlugin(new OcrPlugin(new Dimension(10, 10), ColorMode.BLACK_AND_WHITE));
OcrPlugin ocrPlugin = (OcrPlugin)nnet.getPlugin(typeof(OcrPlugin));
// and recognize current character - ( have to use ImageJ2SE here to wrap BufferedImage)
for (int i = 0; i < lista.Count; i++)
{
recognizedCharacters += ocrPlugin.recognizeCharacter(new ImageJ2SE(lista[i])) + " ";
Console.Write(ocrPlugin.recognizeCharacter(new ImageJ2SE(lista[i])) + " ");
}
recognizedCharacters.Trim();
}
catch (IOException e)
{
//Let us know what happened
Console.WriteLine("Error reading dir: " + e.Message);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private ImageJ2SE(java.io.File imageFile) throws java.io.IOException
private ImageJ2SE(File imageFile)
{
bufferedImage = ImageIO.read(imageFile);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static java.awt.image.BufferedImage resizeImage(String paramString, int paramInt1, int paramInt2, int paramInt3) throws java.io.IOException
public static BufferedImage resizeImage(string paramString, int paramInt1, int paramInt2, int paramInt3)
{
return(resizeImage(ImageIO.read(new File(paramString)), paramInt1, paramInt2, paramInt3));
}
public static string makeGraphicHTML(string paramString1, string paramString2)
{
string str = "http://www.costdatabase.eu/rsmeans/as/graphics/" + paramString1 + ".PNG";
int i = 0;
int j = 0;
char c1 = 'Ȯ';
char c2 = 'Ǵ';
char c3 = (char)(c1 / '\x0002' - '2');
try
{
BufferedImage bufferedImage = ImageIO.read(new URL(str));
Dimension dimension = new Dimension(c1, c2);
i = bufferedImage.getWidth(null);
j = bufferedImage.getHeight(null);
float f = i / j;
if ((char)i > c1 || (char)j > c2)
{
if (dimension.width / dimension.height > f)
{
dimension.width = (int)Math.Ceiling((dimension.height * f));
}
else
{
dimension.height = (int)Math.Ceiling((dimension.width / f));
}
i = dimension.width;
j = dimension.height;
}
}
catch (Exception)
{
i = 0;
j = 0;
}
StringBuilder stringBuffer = new StringBuilder();
if (i == 0 || (char)i > c3)
{
stringBuffer.Append("<html>");
if (i != 0)
{
stringBuffer.Append("<div>");
stringBuffer.Append("<a href=\"http://www.costdatabase.eu/rsmeans/as/graphics/" + paramString1 + ".PDF\"><img src=\"" + str + "\" width=\"" + i + "\" height=\"" + j + "\" border=\"0\"></a>");
stringBuffer.Append("</div>");
}
if (!StringUtils.isNullOrBlank(paramString2))
{
stringBuffer.Append("<div width=\"400px\">");
stringBuffer.Append("<font color=\"black\" face=\"Arial\" size=\"2\">");
stringBuffer.Append("<br/>");
stringBuffer.Append(paramString2);
stringBuffer.Append("</font>");
stringBuffer.Append("</div>");
}
stringBuffer.Append("</html>");
}
else
{
stringBuffer.Append("<html>");
stringBuffer.Append("<table border=0 width=\"558\">");
stringBuffer.Append("<tr><td>");
stringBuffer.Append("<a href=\"http://www.costdatabase.eu/rsmeans/as/graphics/" + paramString1 + ".PDF\"><img src=\"" + str + "\" width=\"" + i + "\" height=\"" + j + "\" border=\"0\"></a>");
stringBuffer.Append("</td><td valign=\"top\">");
stringBuffer.Append("<font face=\"Arial\" size=\"2\">");
stringBuffer.Append(paramString2);
stringBuffer.Append("</font></td></tr></table>");
stringBuffer.Append("</html>");
}
return(stringBuffer.ToString());
}
public virtual void actionPerformed(System.Object event_sender, System.EventArgs event_Renamed)
{
if (event_sender.Equals(openMenu))
{
chooser.ShowDialog(this);
if (new System.IO.FileInfo(chooser.FileName) == null)
{
return;
}
try
{
sourceImage = ImageIO.read(new System.IO.FileInfo(chooser.FileName));
}
catch (System.Exception e)
{
SupportClass.WriteStackTrace(e, Console.Error);
}
}
else if (SupportClass.CommandManager.GetCommand(event_sender).Equals("Open from URL"))
{
try
{
//UPGRADE_TODO: Class 'java.net.URL' was converted to a 'System.Uri' which does not throw an exception if a URL specifies an unknown protocol. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1132'"
sourceImage = ImageIO.read(new System.Uri(url.Text));
}
catch (System.Exception e)
{
SupportClass.WriteStackTrace(e, Console.Error);
}
}
else
{
return;
}
if (sourceImageLabel != null)
{
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
((System.Windows.Forms.ContainerControl) this).Controls.Remove(sourceImageLabel);
}
System.Windows.Forms.Label temp_label;
temp_label = new System.Windows.Forms.Label();
temp_label.Image = (System.Drawing.Image)sourceImage.Clone();
sourceImageLabel = temp_label;
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
//UPGRADE_TODO: Method 'java.awt.Container.add' was converted to 'System.Windows.Forms.ContainerControl.Controls.Add' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaawtContaineradd_javaawtComponent_javalangObject'"
((System.Windows.Forms.ContainerControl) this).Controls.Add(sourceImageLabel);
sourceImageLabel.Dock = System.Windows.Forms.DockStyle.Left;
sourceImageLabel.BringToFront();
QRCodeDecoder decoder = new QRCodeDecoder();
if (canvas != null)
{
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
((System.Windows.Forms.ContainerControl) this).Controls.Remove(canvas);
//canvas.setImage(null);
}
canvas = new J2SEDebugCanvas();
QRCodeDecoder.setCanvas(canvas);
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
//UPGRADE_TODO: Method 'java.awt.Container.add' was converted to 'System.Windows.Forms.ContainerControl.Controls.Add' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaawtContaineradd_javaawtComponent_javalangObject'"
((System.Windows.Forms.ContainerControl) this).Controls.Add(canvas);
canvas.Dock = System.Windows.Forms.DockStyle.Right;
canvas.BringToFront();
System.String decodedString = null;
try
{
decodedString = new String(decoder.decode(new J2SEImage(this, sourceImage)));
}
catch (DecodingFailedException e)
{
canvas.println(e.getMessage());
canvas.println("--------");
return;
}
decodedString = ContentConverter.convert(decodedString);
canvas.println("\nDecode result:");
canvas.println(decodedString);
canvas.println("--------");
if (decodedText != null)
{
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
((System.Windows.Forms.ContainerControl) this).Controls.Remove(decodedText);
}
System.Windows.Forms.TextBox temp_TextBox;
temp_TextBox = new System.Windows.Forms.TextBox();
temp_TextBox.Multiline = true;
temp_TextBox.WordWrap = false;
temp_TextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both;
temp_TextBox.Text = decodedString;
decodedText = temp_TextBox;
decodedText.WordWrap = true;
//UPGRADE_ISSUE: Method 'javax.swing.JTextArea.setRows' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javaxswingJTextAreasetRows_int'"
decodedText.setRows(decodedString.Length / 20 + 1);
if (decodedString.Length < 20)
{
//UPGRADE_ISSUE: Method 'javax.swing.JTextArea.setColumns' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javaxswingJTextAreasetColumns_int'"
decodedText.setColumns(decodedString.Length);
}
else
{
//UPGRADE_ISSUE: Method 'javax.swing.JTextArea.setColumns' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javaxswingJTextAreasetColumns_int'"
decodedText.setColumns(20);
}
//decodedText.setSize(sourceImageLabel.getSize().width,100);
//UPGRADE_TODO: Method 'javax.swing.JFrame.getContentPane' was converted to 'System.Windows.Forms.Form' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaxswingJFramegetContentPane'"
//UPGRADE_TODO: Method 'java.awt.Container.add' was converted to 'System.Windows.Forms.ContainerControl.Controls.Add' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaawtContaineradd_javaawtComponent_javalangObject'"
((System.Windows.Forms.ContainerControl) this).Controls.Add(decodedText);
decodedText.Dock = System.Windows.Forms.DockStyle.Bottom;
decodedText.SendToBack();
//UPGRADE_ISSUE: Method 'java.awt.Window.pack' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javaawtWindowpack'"
pack();
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private ImageJ2SE(String filePath) throws java.io.IOException
private ImageJ2SE(string filePath)
{
bufferedImage = ImageIO.read(new File(filePath));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private ImageJ2SE(java.net.URL imageUrl) throws java.io.IOException
private ImageJ2SE(URL imageUrl)
{
bufferedImage = ImageIO.read(imageUrl);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static void main(String[] args) throws java.io.IOException
public static void Main(string[] args)
{
// User input parameteres
//*******************************************************************************************************************************
string imagePath = "C:/Users/Mihailo/Desktop/OCR/slova.png"; //path to the image with letters *
string folderPath = "C:/Users/Mihailo/Desktop/OCR/ImagesDir/"; // loaction folder for storing segmented letters *
string textPath = "C:/Users/Mihailo/Desktop/OCR/slova.txt"; // path to the .txt file with text on the image *
string networkPath = "C:/Users/Mihailo/Desktop/OCR/network.nnet"; // location where the network will be stored *
int fontSize = 12; // fontSize, predicted by height of the letters, minimum font size is 12 pt *
int scanQuality = 300; // scan quality, minimum quality is 300 dpi *
//*******************************************************************************************************************************
BufferedImage image = ImageIO.read(new File(imagePath));
ImageFilterChain chain = new ImageFilterChain();
chain.addFilter(new GrayscaleFilter());
chain.addFilter(new OtsuBinarizeFilter());
BufferedImage binarizedImage = chain.processImage(image);
Letter letterInfo = new Letter(scanQuality, binarizedImage);
// letterInfo.recognizeDots(); // call this method only if you want to recognize dots and other litle characters, TODO
Text texTInfo = new Text(binarizedImage, letterInfo);
OCRTraining ocrTraining = new OCRTraining(letterInfo, texTInfo);
ocrTraining.FolderPath = folderPath;
ocrTraining.TrainingTextPath = textPath;
ocrTraining.prepareTrainingSet();
List <string> characterLabels = ocrTraining.CharacterLabels;
IDictionary <string, FractionRgbData> map = ImageRecognitionHelper.getFractionRgbDataForDirectory(new File(folderPath), new Dimension(20, 20));
DataSet dataSet = ImageRecognitionHelper.createBlackAndWhiteTrainingSet(characterLabels, map);
dataSet.FilePath = "C:/Users/Mihailo/Desktop/OCR/DataSet1.tset";
dataSet.save();
List <int?> hiddenLayers = new List <int?>();
hiddenLayers.Add(12);
NeuralNetwork nnet = ImageRecognitionHelper.createNewNeuralNetwork("someNetworkName", new Dimension(20, 20), ColorMode.BLACK_AND_WHITE, characterLabels, hiddenLayers, TransferFunctionType.SIGMOID);
BackPropagation bp = (BackPropagation)nnet.LearningRule;
bp.LearningRate = 0.3;
bp.MaxError = 0.1;
// MultiLayerPerceptron mlp = new MultiLayerPerceptron(12,13);
// mlp.setOutputNeurons(null);
Console.WriteLine("Start learning...");
nnet.learn(dataSet);
Console.WriteLine("NNet learned");
nnet.save(networkPath);
}