/*
* Description:
* Find the largest license plate in the image
* - Segment using ThresholdHSVchannels
* - Remove blobs which are not license plates
* Input:
* //Original image
* RGB888Image plateImage
* Output:
* //Segmented license plate
* ref Int32Image binaryPlateImage
* Return:
* //License plate found?
* bool
*/
public static bool FindPlate(RGB888Image plateImage, ref Int32Image binaryPlateImage)
{
try {
VisionLab.SetRGB888Image(cmdInt, "plateImage", plateImage);
String result = StripTime(cmdInt.ExecRequest("icall FindPlate plateImage binaryPlateImage"));
if (result == "true")
{
VisionLab.GetInt32Image(cmdInt, "binaryPlateImage", binaryPlateImage);
}
return(result == "true");
}
catch (System.Exception ex)
{
throw new Exception("FindPlate: " + 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);
}
}