public String ImageAnalysis(IplImage image, Int32 method)
{
String plateData = null;
Double plateWHratio;
Plate plate = null;
List <Char> chars = null;
try
{
plate = new Plate(image);
// JIVAN
//plate.SavePlateCopyImage(@"C:\temp\newImages\newImageAdaptativeThreshold1.png");
plate.Normalize(method);
plateWHratio = (Double)((Double)plate.GetWidth / (Double)plate.GetHeight);
if (plateWHratio < Constants.MIN_PLATE_WIDTH_HEIGHT_RATIO ||
plateWHratio > Constants.MAX_PLATE_WIDTH_HEIGHT_RATIO)
{
return(plateData);
}
// JIVAN
//plate.SavePlateCopyImage(@"C:\temp\newImages\newImageAdaptativeThreshold2.png");
chars = plate.GetChars();
// JIVAN
/*Int32 count2 =0;
* foreach(Char ch in chars)
* {
* ch.GetImage.SaveImage(String.Format(@"C:\temp\newImages\newBeforeNormImageCh{0}.png", count2));
* ch.GetThresholdedImage.SaveImage(String.Format(@"C:\temp\newImages\newImageThresholdedCh{0}.png", count2++));
* }
*/
if (chars.Count < Constants.INTELLIGENCE_MIN_CHARS ||
chars.Count > Constants.INTELLIGENCE_MAX_CHARS)
{
return(plateData);
}
if (plate.GetCharsWidthDispertion(chars) > Constants.INTELLIGENCE_MAX_CHAR_WIDTH_DISP)
{
return(plateData);
}
RecognizedPlate recognizedPlate = new RecognizedPlate();
//Int32 count =0;
foreach (Char ch in chars)
{
ch.Normalize();
// JIVAN
//ch.GetImage.SaveImage(String.Format(@"C:\temp\newImages\newNormImageCh{0}.png",count++));
}
Double averageHeight = plate.GetAveragePieceHeight(chars);
Double averageContrast = plate.GetAveragePieceContrast(chars);
Double averageBrightness = plate.GetAveragePieceBrightness(chars);
Double averageHue = plate.GetAveragePieceHue(chars);
Double averageSaturation = plate.GetAveragePieceSaturation(chars);
foreach (Char chr in chars)
{
Double widthHeightRatio = (Double)(chr.PieceWidth);
widthHeightRatio /= (Double)(chr.PieceHeight);
if (widthHeightRatio < Constants.INTELLIGENCE_MIN_CHAR_WIDTH_HEIGHT_RATIO ||
widthHeightRatio > Constants.INTELLIGENCE_MAX_CHAR_WIDTH_HEIGHT_RATIO)
{
continue;
}
if ((chr.PositionInPlate.X1 < 2 ||
chr.PositionInPlate.X2 > plate.GetWidth - 1) &&
widthHeightRatio < 0.12)
{
continue;
}
Double contrastCost = Math.Abs(chr.StatisticContrast - averageContrast);
Double brightnessCost = Math.Abs(chr.StatisticAverageBrightness - averageBrightness);
Double hueCost = Math.Abs(chr.StatisticAverageHue - averageHue);
Double saturationCost = Math.Abs(chr.StatisticAverageSaturation - averageSaturation);
Double heightCost = (chr.PieceHeight - averageHeight) / averageHeight;
if (brightnessCost > Constants.INTELLIGENCE_MAX_BRIGHTNESS_COST_DISPERSION)
{
continue;
}
if (contrastCost > Constants.INTELLIGENCE_MAX_CONTRAST_COST_DISPERSION)
{
continue;
}
if (hueCost > Constants.INTELLIGENCE_MAX_HUE_COST_DISPERSION)
{
continue;
}
if (saturationCost > Constants.INTELLIGENCE_MAX_SATURATION_COST_DISPERSION)
{
continue;
}
if (heightCost < -(Constants.INTELLIGENCE_MAX_HIGHT_COST_DISPERSION))
{
continue;
}
Double similarityCost = 0.0;
CharacterRecognizer.RecognizedChar rc = null;
rc = chrRecog.Recognize(chr);
similarityCost = rc.GetPatterns()[0].GetCost;
if (similarityCost <= Constants.INTELLIGENCE_MAX_SIMILARITY_COST_DISPERSION)
{
recognizedPlate.AddChar(rc);
}
}
if (recognizedPlate.GetChars.Count < Constants.INTELLIGENCE_MIN_CHARS)
{
return(plateData);
}
plateData = parser.Parse(recognizedPlate, Constants.INTELLIGENCE_SYNTAX_ANALYSIS_MODE);
}
finally
{
if (null != chars)
{
foreach (Char ch in chars)
{
ch.ClearImage();
}
}
if (null != plate)
{
plate.ClearImage();
}
}
return(plateData);
}
public String Parse(RecognizedPlate recognizedPlate, Int32 syntaxAnalysisMode)
{
Int32 length = recognizedPlate.GetChars.Count;
UnFlagAll();
FlagEqualOrShorterLength(length);
List <FinalPlate> finalPlates = new List <FinalPlate>();
foreach (PlateForm form in plateForms)
{
if (!form.flagged)
{
continue;
}
for (Int32 i = 0; i <= length - form.Length; i++)
{
FinalPlate finalPlate = new FinalPlate();
for (Int32 ii = 0; ii < form.Length; ii++)
{
CharacterRecognizer.RecognizedChar rc = recognizedPlate.GetChar(ii + i);
if (form.GetPosition(ii).IsAllowed(rc.GetPattern(0).GetChar))
{
finalPlate.AddChar(rc.GetPattern(0).GetChar);
}
else
{
finalPlate.IncrementRequiredChanges();
for (Int32 x = 0; x < rc.GetPatterns().Count; x++)
{
if (form.GetPosition(ii).IsAllowed(rc.GetPattern(x).GetChar))
{
CharacterRecognizer.RecognizedChar.RecognizedPattern rp = rc.GetPattern(x);
finalPlate.AddRequiredChanges(rp.GetCost / 100.0);
finalPlate.AddChar(rp.GetChar);
break;
}
}
}
}
finalPlates.Add(finalPlate);
}
}
if (finalPlates.Count == 0)
{
return(recognizedPlate.GetString());
}
Double minimalChanges = Double.PositiveInfinity;
Int32 minimalIndex = 0;
for (Int32 i = 0; i < finalPlates.Count; i++)
{
if (finalPlates[i].RequiredChanges <= minimalChanges)
{
minimalChanges = finalPlates[i].RequiredChanges;
minimalIndex = i;
}
}
String toReturn = recognizedPlate.GetString();
if (finalPlates[minimalIndex].RequiredChanges <= 2)
{
toReturn = finalPlates[minimalIndex].GetPlate();
}
return(toReturn);
}