private RecoResult combineResults(List <SymbolRank> topPolar, RecoResult screenResults, int numToReturn)
{
List <SymbolRank> fusionResults = new List <SymbolRank>();
foreach (SymbolRank sr in topPolar)
{
SymbolRank part_haus = screenResults.getSR(ResultType.PARTIAL_HAUSDORFF, sr.Symbol);
double part_haus_distance = screenResults.Normalize(ResultType.PARTIAL_HAUSDORFF, part_haus);
SymbolRank mod_haus = screenResults.getSR(ResultType.MOD_HAUSDORFF, sr.Symbol);
double mod_haus_distance = screenResults.Normalize(ResultType.MOD_HAUSDORFF, mod_haus);
SymbolRank tanim = screenResults.getSR(ResultType.TANIMOTO, sr.Symbol);
double tanim_distance = screenResults.Normalize(ResultType.TANIMOTO, tanim);
SymbolRank yule = screenResults.getSR(ResultType.YULE, sr.Symbol);
double yule_distance = 1 - screenResults.Normalize(ResultType.YULE, yule);
double distance = part_haus_distance + mod_haus_distance + tanim_distance + yule_distance;
fusionResults.Add(new SymbolRank(distance, sr.Symbol, sr.BestOrientation));
}
// sort
var sortedResults = from result in fusionResults
orderby result.Distance ascending
select result;
RecoResult combinedResults = new RecoResult();
combinedResults.AddRange(ResultType.FUSION, sortedResults.Take(numToReturn));
return(combinedResults);
}
public void AddAll(RecoResult otherResults)
{
foreach (ResultType type in Enum.GetValues(typeof(ResultType)))
{
_results[type].AddRange(otherResults._results[type]);
}
}
private RecoResult polarRecognition(List <BitmapSymbol> defns)
{
RecoResult results = new RecoResult();
foreach (BitmapSymbol bs in defns)
{
SymbolRank polar_result = Polar_Mod_Hausdorff(bs);
results.Add(ResultType.POLAR, polar_result);
}
return(results);
}
public BitmapSymbol()
{
_name = "";
_type = new ShapeType();
_results = new RecoResult();
_id = Guid.NewGuid();
_points = new BitmapPoints();
_screenCoords = new List <Coord>();
_sMesh = new GeneralMatrix(GRID_Y_SIZE, GRID_X_SIZE, 0.0);
_sDTM = new GeneralMatrix(GRID_Y_SIZE, GRID_X_SIZE, double.PositiveInfinity);
_polarCoords = new List <Coord>();
_pMesh = new GeneralMatrix(GRID_Y_SIZE, GRID_X_SIZE, 0.0);
_pDTM = new GeneralMatrix(GRID_Y_SIZE, GRID_X_SIZE, double.PositiveInfinity);
}
public object Clone()
{
RecoResult result = (RecoResult)this.MemberwiseClone();
result._results = new Dictionary <ResultType, List <SymbolRank> >();
foreach (KeyValuePair <ResultType, List <SymbolRank> > pair in _results)
{
result._results.Add(pair.Key, new List <SymbolRank>());
foreach (SymbolRank sr in pair.Value)
{
result._results[pair.Key].Add((SymbolRank)sr.Clone());
}
}
return(result);
}
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);
}
public RecoResult Recognize(List <BitmapSymbol> defns)
{
if (defns.Count == 0)
{
throw new ArgumentException("You must provide a nonempty list of templates!");
}
int numTopPolarToKeep = Math.Min(NUM_TOP_POLAR_TO_KEEP, defns.Count);
int numRecognitionsToReturn = Math.Min(NUM_RECOGNITIONS_TO_RETURN, defns.Count);
RecoResult polarResults = polarRecognition(defns);
#if JESSI
Console.WriteLine("\nThese templates made it through the polar recognition round:");
foreach (SymbolRank sr in polarResults.BestN(ResultType.POLAR, NUM_TOP_POLAR_TO_KEEP))
{
Console.WriteLine(sr.SymbolName);
}
#endif
List <SymbolRank> topPolar = polarResults.BestN(ResultType.POLAR, numTopPolarToKeep);
RecoResult screenResults = screenRecognition(topPolar);
RecoResult combinedResults = combineResults(topPolar, screenResults, numRecognitionsToReturn);
#if JESSI
Console.WriteLine("Your templates have now been reordered by screen recognition:");
foreach (SymbolRank sr in combinedResults.BestN(ResultType.FUSION, NUM_TOP_POLAR_TO_KEEP))
{
Console.WriteLine(sr.SymbolName);
}
#endif
combinedResults.AddAll(polarResults);
combinedResults.AddAll(screenResults);
return(combinedResults);
}
