/*
* Description:
* Read the license plate
* Input:
* //Rectified license plate image containing six characters
* Int32Image labeledRectifiedPlateImage
* Output:
* //Result by the blob matcher
* ref LicensePlate result
* Return:
* //six characters found
* bool
*/
public static bool MatchPlate(Int32Image binaryCharacterImage, ref LicensePlate result)
{
try
{
VisionLab.SetInt32Image(cmdInt, "binaryCharacterImage", binaryCharacterImage);
String plateStr = StripTime(cmdInt.ExecRequest("icall MatchPlate binaryCharacterImage"));
if (plateStr.Substring(0, 5) != "false")
{
string[] plateResult = plateStr.Split(' ');
string plateResultChars = plateResult[0];
result.confidence = double.Parse(plateResult[1], CultureInfo.InvariantCulture);
for (int c = 0; c < 6; c++)
{
result.characters.Add(new LicenseCharacter(plateResultChars[c].ToString(), double.Parse(plateResult[2 + c], CultureInfo.InvariantCulture), result.confidence));
}
bool[] types = new bool[6];
for (int i = 0; i < 6; i++)
{
types[i] = '0' <= result.characters[i].character[0] && result.characters[i].character[0] <= '9';
}
if (types[0] && types[1] && !types[2] && !types[3] && !types[4] && !types[5])
{
return(true);
}
if (!types[0] && !types[1] && types[2] && types[3] && !types[4] && !types[5])
{
return(true);
}
if (!types[0] && !types[1] && !types[2] && !types[3] && types[4] && types[5])
{
return(true);
}
if (types[0] && !types[1] && !types[2] && !types[3] && types[4] && types[5])
{
return(true);
}
if (types[0] && types[1] && !types[2] && !types[3] && !types[4] && types[5])
{
return(true);
}
return(false);
}
else
{
return(false);
}
}
catch (System.Exception ex)
{
throw new Exception("MatchPlate: " + ex.Message);
}
}
/*
* Description:
* Locates the characters of the license plate
* - Warp image (Rectify)
* - Segment characters
* - Remove blobs which are to small (Lines between characters)
* Input:
* //Original image
* RGB888Image plateImage
* //Segmented license plate
* Int32Image binaryPlateImage
* Output:
* //Image containing binary six characters
* ref Int32Image binaryCharacterImage
* Return:
* //Function executed successfully
* bool
*/
public static bool FindCharacters(RGB888Image plateImage, Int32Image binaryPlateImage, ref Int32Image binaryCharacterImage)
{
try
{
VisionLab.SetRGB888Image(cmdInt, "plateImage", plateImage);
VisionLab.SetInt32Image(cmdInt, "binaryPlateImage", binaryPlateImage);
String result = StripTime(cmdInt.ExecRequest("icall FindCharacters plateImage binaryPlateImage binaryCharacterImage"));
if (result == "true")
{
VisionLab.GetInt32Image(cmdInt, "binaryCharacterImage", binaryCharacterImage);
}
return(result == "true");
}
catch (System.Exception ex)
{
//if (ex.Message.StartsWith("[DefaultLUTForImage]"))
// return false;
////if (ex.Message.Substring(0, 6) == "[DefaultLUTForImage]")
//// return false;
throw new Exception("FindCharacters: " + ex.Message);
}
}
