public static TemplateFootprint Of(SampleFingerprint fp)
{
return(PersistentCache.Get("footprints", fp.Path, () =>
{
var footprint = new TemplateFootprint();
var serialized = NativeTemplate.Serialized(fp);
footprint.Count = 1;
footprint.Serialized = serialized.Length;
footprint.Hash = DataHash.Of(SerializationUtils.Normalize(serialized));
return footprint;
}));
}
public static double[][] Of(SampleDataset dataset)
{
return(PersistentCache.Get("scores", dataset.Path, () =>
{
var fingerprints = dataset.Fingerprints;
var templates = fingerprints.Select(fp => NativeTemplate.Of(fp)).ToList();
var scores = new double[fingerprints.Count][];
foreach (var probe in fingerprints)
{
var matcher = new FingerprintMatcher(templates[probe.Id]);
scores[probe.Id] = new double[fingerprints.Count];
foreach (var candidate in fingerprints)
{
scores[probe.Id][candidate.Id] = matcher.Match(templates[candidate.Id]);
}
}
return scores;
}));
}