private void RecognizeTess()
{
using (var engine = new TesseractEngine(@"./tessdata", "rus", EngineMode.Default))
{
TextMarker Marker = Doc.Template.Markers[0];
Pixbuf PixBox;
logger.Info("Вычисляем сдвиг");
Pixbuf WorkImage = Images[0];
Marker.SetTarget(WorkImage.Width, WorkImage.Height);
RelationalRectangle WorkZone = Marker.Zone.Clone();
for (int i = 1; i <= 7; i++)
{
logger.Debug("Попытка {0}, box: x={1},y={2},w={3},h={4}", i, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox))
{
using (var page = engine.Process(img, PageSegMode.Auto))
{
int Distance, MarkerPosX, MarkerPosY;
double MarkerSkew;
RecognazeRule[] rules = new RecognazeRule[]{ Doc.Template.NumberRule, Doc.Template.DateRule};
Distance = GetTextPosition(Marker.Text, page, out MarkerPosX, out MarkerPosY, out MarkerSkew, rules);
if (Distance < 5)
{
logger.Debug("TextMarker <{0}> Distance: {1} Try:{2}", Marker.Text, Distance, i);
Marker.ActualPosX = MarkerPosX + WorkZone.PosX;
Marker.ActualPosY = MarkerPosY + WorkZone.PosY;
Marker.ActualSkew = MarkerSkew;
logger.Debug("Image Shift X: {0}", Marker.ShiftX);
logger.Debug("Image Shift Y: {0}", Marker.ShiftY);
break;
}
else if (i == 7 ||
(WorkZone.RelativePosX == 0 && WorkZone.RelativePosY == 0 && WorkZone.RelativeHeigth == 1 && WorkZone.RelativeWidth == 1) )
{
Marker.ActualPosX = (int)(Marker.PatternPosX * Marker.TargetWidth);
Marker.ActualPosY = (int)(Marker.PatternPosY * Marker.TargetHeigth);
Marker.ActualSkew = 0;
ShowImage(PixBox, "Маркер не найден. Зона маркера.");
}
else
{ //Увеличиваем размер зоны поиска.
ExpandRelativeZone(WorkZone);
}
}
}
}
RecognazeRule CurRule;
logger.Info("Распознаем номер");
if (Doc.Template.NumberRule != null)
{
CurRule = Doc.Template.NumberRule;
CurRule.Box.SetShiftByMarker(Marker);
logger.Debug("Number Shift X: {0}", CurRule.Box.ShiftX);
logger.Debug("Number Shift Y: {0}", CurRule.Box.ShiftY);
WorkZone = CurRule.Box.Clone();
//FIXME С этим пока работает лучше
WorkZone.RelativePosX += WorkZone.RelativeWidth * 0.2;
WorkZone.RelativePosY += WorkZone.RelativeHeigth * 0.2;
WorkZone.RelativeWidth *= 0.6;
WorkZone.RelativeHeigth *= 0.6;
Doc.DocNumberConfidence = 0;
for (int i = 1; i <= 5; i++)
{
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox))
{
using (var page = engine.Process(img, PageSegMode.SingleLine))
{
string FieldText = page.GetText().Trim();
if (page.GetMeanConfidence() > Doc.DocNumberConfidence)
{
Doc.DocNumber = FieldText;
Doc.DocNumberConfidence = page.GetMeanConfidence();
logger.Debug("Try: {0}", i);
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if(CurRule.NextAfterTextMarker)
logger.Debug("By after market detection: {0}", CurRule.AfterTextMarkerValue);
if (FieldText == "")
ShowImage(PixBox, "Номер пустой. Зона номера документа.");
else
ShowImage(PixBox, "Зона номера документа.");
}
if (Doc.DocNumber == CurRule.AfterTextMarkerValue)
{
Doc.DocNumberConfidence = 1;
break;
}
if(CurRule.Validate == ValidationTypes.IsNumber)
{
int tempInt;
bool AfterIsNumber = int.TryParse (CurRule.AfterTextMarkerValue, out tempInt);
bool BoxIsNumber = int.TryParse (Doc.DocNumber, out tempInt);
if(BoxIsNumber)
{
break;
}
else if (AfterIsNumber)
{
Doc.DocNumber = CurRule.AfterTextMarkerValue;
//Doc.DocNumberConfidence = ;
break;
}
else
{
Doc.DocNumberConfidence = 0;
}
}
if (Doc.DocNumberConfidence > 0.8)
{
break;
}
else
{//Увеличиваем размер зоны поиска.
ExpandRelativeZone(WorkZone);
}
}
}
}
}
logger.Info("Распознаем Дату");
if(Doc.Template.DateRule != null)
{
CurRule = Doc.Template.DateRule;
CurRule.Box.SetShiftByMarker(Marker);
PixBox = new Pixbuf(WorkImage, CurRule.Box.PosX, CurRule.Box.PosY, CurRule.Box.Width, CurRule.Box.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox)) {
using (var page = engine.Process(img, PageSegMode.SingleLine)) {
string FieldText = page.GetText().Trim();
DateTime TempDate;
string[] words = FieldText.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
string Date = "";
foreach(string word in words)
{
if(DateTime.TryParse(word, out TempDate))
Date = word;
}
if(DateTime.TryParse(Date, out TempDate))
{
Doc.DocDate = TempDate;
Doc.DocDateConfidence = page.GetMeanConfidence();
}
else
{
Doc.DocDateConfidence = -2;
}
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Split date Value: {0}", Date);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if(FieldText == "")
ShowImage(PixBox, "Дата пустая. Зона даты документа.");
else
ShowImage(PixBox, "Зона даты документа.");
}
}
}
//FIXME Добавить распознование дополнительных полей.
}
}
protected void OnRecognizeActionActivated(object sender, EventArgs e)
{
if(DocTemplate == null)
{
DocTemplate = new RecognizeTemplate();
labelTemplateName.LabelProp = "Новый";
//FIXME Убрать тестовый документ
DocTemplate.Name = "Торг12-тест";
RecognazeRule testrule = new RecognazeRule();
testrule.Box = new RelationalRectangle(0.357468643, 0.321774194, 0.088939567, 0.026612903);
DocTemplate.NumberRule = testrule;
testrule = new RecognazeRule();
testrule.Box = new RelationalRectangle(0.444412771, 0.323387097, 0.08608894, 0.021774194);
DocTemplate.DateRule = testrule;
TextMarker Marker = new TextMarker();
Marker.Text = "ТОВАРНАЯ НАКЛАДНАЯ";
Marker.PatternPosX = 0.206100342;
Marker.PatternPosY = 0.324193548;
Marker.Zone = new RelationalRectangle(0.181299886, 0.292741935, 0.196693273, 0.12);
DocTemplate.Markers = new TextMarker[]{Marker};
}
//FIXME Открыть диалог настройки шаблона.
}
/*
int LookingTextMarker(RecognazeRule Rule, Page page, out ResultIterator BestLineIter, out int word)
{
word = -1;
BestLineIter = null;
int BestDistance = 10000;
ResultIterator LineIter = page.GetIterator();
string[] Words = Rule.TextMarker.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null)
continue;
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.None);
if(WordsOfLine.Length < NumberOfWords)
continue;
for(int shift = 0; shift <= WordsOfLine.Length - NumberOfWords; shift++)
{
int PassDistance = 0;
for(int i = 0; i < NumberOfWords; i++)
{
PassDistance += FuzzyStringComparer.GetDistanceLevenshtein(WordsOfLine[shift + i],
Words[i],
StringComparison.CurrentCultureIgnoreCase);
}
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift + 1;
}
}
if(CurrentBestDistance < BestDistance)
{
AddToLog ("new best");
AddToLog (LineIter.GetText(PageIteratorLevel.Word));
word = CurrentWordNumber;
if(BestLineIter != null)
BestLineIter.Dispose();
BestLineIter = LineIter.Clone();
AddToLog (BestLineIter.GetText(PageIteratorLevel.TextLine));
BestDistance = CurrentBestDistance;
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
} */
int GetTextPosition(string Text, Page page, out int PosX, out int PosY, out double AngleRad, RecognazeRule[] AfterMarkerRules)
{
int BestDistance = 10000;
PosX = -1;
PosY = -1;
AngleRad = 0;
logger.Debug("Marker zone text:{0}", page.GetText());
ResultIterator LineIter = page.GetIterator();
string[] Words = Text.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentAfterWord = 0;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null || Line == "")
continue;
Line = Line.Trim();
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
if(WordsOfLine.Length == 0)
continue;
for(int shift = 0; shift < WordsOfLine.Length; shift++)
{
for(int i = 1; i <= NumberOfWords && i <= WordsOfLine.Length - shift; i++)
{
string passString = String.Join(" ", WordsOfLine, shift, i);
int PassDistance = FuzzyStringComparer.GetDistanceLevenshtein(passString,
Text,
StringComparison.CurrentCultureIgnoreCase);
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift;
CurrentAfterWord = shift + i;
}
}
}
if(CurrentBestDistance < BestDistance)
{
logger.Debug("new best");
logger.Debug(LineIter.GetText(PageIteratorLevel.TextLine).Trim());
//Заполняем поля данными после маркера.
foreach(RecognazeRule rule in AfterMarkerRules)
{
if(rule.NextAfterTextMarker && WordsOfLine.Length > CurrentAfterWord + rule.ShiftWordsCount)
{
rule.AfterTextMarkerValue = WordsOfLine[CurrentAfterWord + rule.ShiftWordsCount];
}
}
BestDistance = CurrentBestDistance;
for(int i = 0; i < CurrentWordNumber; i++)
{
LineIter.Next(PageIteratorLevel.Word);
}
Rect Box;
LineIter.TryGetBoundingBox(PageIteratorLevel.Word, out Box);
PosX = Box.X1;
PosY = Box.Y1;
logger.Debug("Position X1:{0} Y1:{1} X2:{2} Y2:{3}", Box.X1, Box.Y1, Box.X2, Box.Y2);
LineIter.TryGetBaseline(PageIteratorLevel.Word, out Box);
logger.Debug("BaseLine X1:{0} Y1:{1} X2:{2} Y2:{3}", Box.X1, Box.Y1, Box.X2, Box.Y2);
AngleRad = Math.Atan2(Box.Y2 - Box.Y1, Box.X2 - Box.X1); //угл наклона базовой линии.
double AngleGrad = AngleRad * (180/Math.PI);
logger.Debug("Angle rad:{0} grad:{1}", AngleRad, AngleGrad);
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
}
private void RecognizeTess()
{
using (var engine = new TesseractEngine(@"./tessdata", "rus", EngineMode.Default))
{
TextMarker Marker = Doc.Template.Markers[0];
Pixbuf PixBox;
logger.Info("Вычисляем сдвиг");
Pixbuf WorkImage = Images[0];
Marker.SetTarget(WorkImage.Width, WorkImage.Height);
RelationalRectangle WorkZone = Marker.Zone.Clone();
for (int i = 1; i <= 7; i++)
{
logger.Debug("Попытка {0}, box: x={1},y={2},w={3},h={4}", i, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox))
{
using (var page = engine.Process(img, PageSegMode.Auto))
{
int Distance, MarkerPosX, MarkerPosY;
double MarkerSkew;
RecognazeRule[] rules = new RecognazeRule[] { Doc.Template.NumberRule, Doc.Template.DateRule };
Distance = GetTextPosition(Marker.Text, page, out MarkerPosX, out MarkerPosY, out MarkerSkew, rules);
if (Distance < 5)
{
logger.Debug("TextMarker <{0}> Distance: {1} Try:{2}", Marker.Text, Distance, i);
Marker.ActualPosX = MarkerPosX + WorkZone.PosX;
Marker.ActualPosY = MarkerPosY + WorkZone.PosY;
Marker.ActualSkew = MarkerSkew;
Marker.Confidence = page.GetMeanConfidence();
logger.Debug("Image Shift X: {0}", Marker.ShiftX);
logger.Debug("Image Shift Y: {0}", Marker.ShiftY);
break;
}
else if (i == 7 ||
(WorkZone.RelativePosX == 0 && WorkZone.RelativePosY == 0 && WorkZone.RelativeHeigth == 1 && WorkZone.RelativeWidth == 1))
{
Marker.ActualPosX = (int)(Marker.PatternPosX * Marker.TargetWidth);
Marker.ActualPosY = (int)(Marker.PatternPosY * Marker.TargetHeigth);
Marker.ActualSkew = 0;
ShowImage(PixBox, "Маркер не найден. Зона маркера.");
}
else
{ //Увеличиваем размер зоны поиска.
ExpandRelativeZone(WorkZone);
}
}
}
}
RecognazeRule CurRule;
logger.Info("Распознаем номер");
if (Doc.Template.NumberRule != null)
{
CurRule = Doc.Template.NumberRule;
if (CurRule.Box != null)
{
CurRule.Box.SetShiftByMarker(Marker);
logger.Debug("Number Shift X: {0}", CurRule.Box.ShiftX);
logger.Debug("Number Shift Y: {0}", CurRule.Box.ShiftY);
WorkZone = CurRule.Box.Clone();
//FIXME С этим пока работает лучше
WorkZone.RelativePosX += WorkZone.RelativeWidth * 0.2;
WorkZone.RelativePosY += WorkZone.RelativeHeigth * 0.2;
WorkZone.RelativeWidth *= 0.6;
WorkZone.RelativeHeigth *= 0.6;
Doc.DocNumberConfidence = 0;
for (int i = 1; i <= 5; i++)
{
PixBox = new Pixbuf(WorkImage, WorkZone.PosX, WorkZone.PosY, WorkZone.Width, WorkZone.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox)) {
using (var page = engine.Process(img, PageSegMode.SingleLine)) {
string FieldText = page.GetText().Trim();
if (page.GetMeanConfidence() > Doc.DocNumberConfidence)
{
Doc.DocNumber = FieldText;
Doc.DocNumberConfidence = page.GetMeanConfidence();
logger.Debug("Try: {0}", i);
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if (FieldText == "")
{
ShowImage(PixBox, "Номер пустой. Зона номера документа.");
}
else
{
ShowImage(PixBox, "Зона номера документа.");
}
}
if (CurRule.Validate == ValidationTypes.IsNumber)
{
int tempInt;
bool BoxIsNumber = int.TryParse(Doc.DocNumber, out tempInt);
if (BoxIsNumber)
{
break;
}
else
{
Doc.DocNumberConfidence = 0;
}
}
if (Doc.DocNumberConfidence > 0.8)
{
break;
}
else //Увеличиваем размер зоны поиска.
{
ExpandRelativeZone(WorkZone);
}
}
}
}
}
else if (CurRule.NextAfterTextMarker)
{
logger.Debug("By after market detection: {0}", CurRule.AfterTextMarkerValue);
Doc.DocNumber = CurRule.AfterTextMarkerValue;
Doc.DocNumberConfidence = CurRule.AfterTextMarkerConfidence;
}
}
logger.Info("Распознаем Дату");
if (Doc.Template.DateRule != null)
{
CurRule = Doc.Template.DateRule;
if (CurRule.Box != null)
{
CurRule.Box.SetShiftByMarker(Marker);
PixBox = new Pixbuf(WorkImage, CurRule.Box.PosX, CurRule.Box.PosY, CurRule.Box.Width, CurRule.Box.Heigth);
using (var img = RecognizeHelper.PixbufToPix(PixBox)) {
using (var page = engine.Process(img, PageSegMode.SingleLine)) {
string FieldText = page.GetText().Trim();
DateTime TempDate;
string [] words = FieldText.Split(new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string Date = "";
foreach (string word in words)
{
if (DateTime.TryParse(word, out TempDate))
{
Date = word;
}
}
if (DateTime.TryParse(Date, out TempDate))
{
Doc.DocDate = TempDate;
Doc.DocDateConfidence = page.GetMeanConfidence();
}
else
{
Doc.DocDateConfidence = -2;
}
logger.Debug("Found Field Value: {0}", FieldText);
logger.Debug("Split date Value: {0}", Date);
logger.Debug("Recognize confidence: {0}", page.GetMeanConfidence());
if (FieldText == "")
{
ShowImage(PixBox, "Дата пустая. Зона даты документа.");
}
else
{
ShowImage(PixBox, "Зона даты документа.");
}
}
}
}
else
{
logger.Debug("By after market detection: {0}", CurRule.AfterTextMarkerValue);
if (DateTime.TryParse(CurRule.AfterTextMarkerValue, out Doc.DocDate))
{
logger.Debug("Date parsed:{0}", Doc.DocDate);
Doc.DocDateConfidence = CurRule.AfterTextMarkerConfidence;
}
else
{
Doc.DocDateConfidence = -2;
}
}
}
//FIXME Добавить распознование дополнительных полей.
}
}
