public SpeciesIdentityResult GetMostLikelyIdentity(Image sourceImage, GeographyPoint coordinates, Boolean geoContextMode, Boolean multisample)
{
var formattedSourceImage = ImageConversion.ConvertTo24BitColorBitmap(sourceImage);
ValidateImage(formattedSourceImage);
var candidates = new ConcurrentBag <SpeciesIdentityResult>();
var imageRectangle = new Rectangle(0, 0, formattedSourceImage.Width, formattedSourceImage.Height);
var cropAreas = GetCrops(imageRectangle, multisample);
var sourceImageClones = new ConcurrentStack <Bitmap>(cropAreas.Select(cropArea => (Bitmap)formattedSourceImage.Clone()).ToList());
Parallel.ForEach(cropAreas, cropArea =>
{
Bitmap imageClone;
if (sourceImageClones.TryPop(out imageClone))
{
var speciesInfo = GetTopCandidateSpeciesInfoForImage(imageClone, coordinates, geoContextMode, cropArea);
var candidate = SpeciesIdentityResult.GetInstance(imageClone, cropArea, speciesInfo);
candidates.Add(candidate);
}
});
var candidatesList = candidates.ToList();
if (!multisample)
{
return(candidatesList.FirstOrDefault() ?? SpeciesIdentityResult.NULL);
}
var metaFilterFactory = new MetaFilterFactory();
var metaFilters = metaFilterFactory.GetOrderedFilters();
candidatesList = metaFilters.Aggregate(candidatesList,
(current, metaFilter) => metaFilter.Filter(current));
return(candidatesList.FirstOrDefault() ?? SpeciesIdentityResult.NULL);
}
