/// <summary>
/// A method which will loop trough each char and calculate the offset between
/// all the characters
/// </summary>
/// <returns>An array filled with the differene</returns>
private int[] calculateDifference()
{
// An array which will be filled with the difference between each char
int[] difference = new int[5];
// A reference to the previous License char
LicenseCharacter previous = chars[0];
// Loop through
for (int i = 1; i < chars.Count; i++)
{
// Calculate the differene between each
difference[i - 1] = chars[i].middle - previous.middle;
previous = chars[i];
}
return(difference);
}
/// <summary>
/// A method which creates the best possible match for a license plate
/// </summary>
/// <param name="pos1">The position of the first stripe</param>
/// <param name="pos2">The posisiton of the second stripe</param>
/// <param name="partsNum">The kenType array</param>
/// <param name="matcher">The BlobMatcher</param>
private void createBestMatch(int pos1, int pos2, kenType[] partsNum, BlobMatcher_Int16 matcher)
{
// **************************************************************
// ** Creates the best match based on: **
// ** - If there should be a number, but char found: **
// ** - Find a number in the results and change it **
// ** - If there should be a number and number found **
// ** - If the next match is a character then we can **
// ** up the confidence a lot **
// ** - If the then following match is a number we **
// ** can up it a little **
// ** **
// ** - This also aplies for chars **
// **************************************************************
// A pointer which points to the partsNum place where we are at
int partNumPlace = 0;
const double maxError = 0.20;
// Go through all the chars
for (int i = 0; i < chars.Count; i++)
{
// Check if we need to up the pointer
if (i == pos1 || i == pos2)
{
partNumPlace += 1;
}
// If there should be a number found
if (partsNum[partNumPlace] == kenType.NUMBER && chars[i].error < maxError)
{
// If it isn't a number
if (!Char.IsNumber(chars[i].character[0]))
{
// Loop through the results and find a number
foreach (PatternMatchResult patrn in chars[i].PatternResults)
{
// if this is a number
if (Char.IsNumber(matcher.PatternName(patrn.id)[0]))
{
// Change the chars value to this number
chars[i] = new LicenseCharacter(matcher.PatternName(patrn.id), -0.04, 41);
break;
}
} // End for loop
} // End number expected but not found
else if (chars[i].error > 0.11) // If there should be a number and a number was found
{
// Check if the next match is a char
if (!Char.IsNumber(matcher.PatternName(chars[i].PatternResults[1].id)[0]))
{
// If so we can up the confidence
chars[i] = new LicenseCharacter(chars[i].character, -0.02, 41);
} // If the then following match is a char
else if (!Char.IsNumber(matcher.PatternName(chars[i].PatternResults[2].id)[0]))
{
// Then we up the confidence a little
chars[i] = new LicenseCharacter(chars[i].character, -0.01, chars[i].confidence + 0.1);
}
}
} // Check if we should expect a char and the error value isn't to high
else if (partsNum[partNumPlace] == kenType.CHAR && chars[i].error < maxError)
{
// Char expected but number found
if (Char.IsNumber(chars[i].character[0]))
{
// Loop through the matches
foreach (PatternMatchResult patrn in chars[i].PatternResults)
{
if (!Char.IsNumber(matcher.PatternName(patrn.id)[0]))
{
// If a char was found change the chars[i] value to it
chars[i] = new LicenseCharacter(matcher.PatternName(patrn.id), -0.04, 41);
break;
}
} // End for loop
} // If we already have a char
else if (chars[i].error > 0.11)
{
// Check if the second match is a number
if (Char.IsNumber(matcher.PatternName(chars[i].PatternResults[1].id)[0]))
{
// If so we can up the confidence a lot
chars[i] = new LicenseCharacter(chars[i].character, -0.02, 41);
} // Check if the then following match is a number
else if (Char.IsNumber(matcher.PatternName(chars[i].PatternResults[2].id)[0]))
{
// If so then we can up the confidence a little
chars[i] = new LicenseCharacter(chars[i].character, -0.01, chars[i].confidence + 0.1);
}
} // End char expected and char found
} // End char expected
} // End loop
// Done
}
/// <summary>
/// A method which creates the best possible match for a license plate
/// </summary>
/// <param name="pos1">The position of the first stripe</param>
/// <param name="pos2">The posisiton of the second stripe</param>
/// <param name="partsNum">The kenType array</param>
/// <param name="matcher">The BlobMatcher</param>
private void createBestMatch(int pos1, int pos2, kenType[] partsNum, BlobMatcher_Int16 matcher)
{
// **************************************************************
// ** Creates the best match based on: **
// ** - If there should be a number, but char found: **
// ** - Find a number in the results and change it **
// ** - If there should be a number and number found **
// ** - If the next match is a character then we can **
// ** up the confidence a lot **
// ** - If the then following match is a number we **
// ** can up it a little **
// ** **
// ** - This also aplies for chars **
// **************************************************************
// A pointer which points to the partsNum place where we are at
int partNumPlace = 0;
const double maxError = 0.20;
// Go through all the chars
for (int i = 0; i < chars.Count; i++)
{
// Check if we need to up the pointer
if (i == pos1 || i == pos2)
partNumPlace += 1;
// If there should be a number found
if (partsNum[partNumPlace] == kenType.NUMBER && chars[i].error < maxError)
{
// If it isn't a number
if (!Char.IsNumber(chars[i].character[0]))
{
// Loop through the results and find a number
foreach (PatternMatchResult patrn in chars[i].PatternResults)
{
// if this is a number
if (Char.IsNumber(matcher.PatternName(patrn.id)[0]))
{
// Change the chars value to this number
chars[i] = new LicenseCharacter(matcher.PatternName(patrn.id), -0.04, 41);
break;
}
} // End for loop
} // End number expected but not found
else if (chars[i].error > 0.11) // If there should be a number and a number was found
{
// Check if the next match is a char
if (!Char.IsNumber(matcher.PatternName(chars[i].PatternResults[1].id)[0]))
{
// If so we can up the confidence
chars[i] = new LicenseCharacter(chars[i].character, -0.02, 41);
} // If the then following match is a char
else if (!Char.IsNumber(matcher.PatternName(chars[i].PatternResults[2].id)[0]))
{
// Then we up the confidence a little
chars[i] = new LicenseCharacter(chars[i].character, -0.01, chars[i].confidence + 0.1);
}
}
} // Check if we should expect a char and the error value isn't to high
else if (partsNum[partNumPlace] == kenType.CHAR && chars[i].error < maxError)
{
// Char expected but number found
if (Char.IsNumber(chars[i].character[0]))
{
// Loop through the matches
foreach (PatternMatchResult patrn in chars[i].PatternResults)
{
if (!Char.IsNumber(matcher.PatternName(patrn.id)[0]))
{
// If a char was found change the chars[i] value to it
chars[i] = new LicenseCharacter(matcher.PatternName(patrn.id), -0.04, 41);
break;
}
} // End for loop
} // If we already have a char
else if (chars[i].error > 0.11)
{
// Check if the second match is a number
if (Char.IsNumber(matcher.PatternName(chars[i].PatternResults[1].id)[0]))
{
// If so we can up the confidence a lot
chars[i] = new LicenseCharacter(chars[i].character, -0.02, 41);
} // Check if the then following match is a number
else if (Char.IsNumber(matcher.PatternName(chars[i].PatternResults[2].id)[0]))
{
// If so then we can up the confidence a little
chars[i] = new LicenseCharacter(chars[i].character, -0.01, chars[i].confidence + 0.1);
}
} // End char expected and char found
} // End char expected
} // End loop
// Done
}