private void screenRecognition()
{
#if FALSE // useful for debugging rotation
List <double> rotateBy = new List <double> {
Math.PI / 4, Math.PI / 2, Math.PI
};
foreach (double theta in rotateBy)
{
BitmapSymbol debug = (BitmapSymbol)Clone();
debug.Rotate(theta);
}
#endif
List <SymbolRank> topPolar = _results.BestN(ResultType.POLAR, NUM_TOP_POLAR_TO_KEEP);
foreach (SymbolRank sr in topPolar)
{
#if JESSI
Console.WriteLine("Doing screen recognition for template " + sr.SymbolName);
#endif
// clone the BitmapSymbol so that we can rotate it without losing information
BitmapSymbol clone = (BitmapSymbol)Clone();
clone.Rotate(-sr.BestOrientation);
// calculate the data using the rotated clone, but store the output in this symbol's results.
_results.Add(ResultType.PARTIAL_HAUSDORFF, clone.Partial_Hausdorff(sr.Symbol));
_results.Add(ResultType.MOD_HAUSDORFF, clone.Modified_Hausdorff(sr.Symbol));
_results.Add(ResultType.TANIMOTO, clone.Tanimoto_Distance(sr.Symbol));
_results.Add(ResultType.YULE, clone.Yule_Distance(sr.Symbol));
}
}
private RecoResult screenRecognition(List <SymbolRank> topPolar)
{
RecoResult screenResults = new RecoResult();
foreach (SymbolRank sr in topPolar)
{
#if JESSI
Console.WriteLine();
Console.WriteLine("Doing screen recognition for template " + sr.SymbolName);
#endif
// clone the BitmapSymbol so that we can rotate it without losing information
BitmapSymbol clone = (BitmapSymbol)Clone();
clone.Rotate(-sr.BestOrientation);
// calculate the data using the rotated clone, but store the output in this symbol's results.
screenResults.Add(ResultType.PARTIAL_HAUSDORFF, clone.Partial_Hausdorff(sr.Symbol));
screenResults.Add(ResultType.MOD_HAUSDORFF, clone.Modified_Hausdorff(sr.Symbol));
screenResults.Add(ResultType.TANIMOTO, clone.Tanimoto_Distance(sr.Symbol));
screenResults.Add(ResultType.YULE, clone.Yule_Distance(sr.Symbol));
}
return(screenResults);
}