/// <summary>
/// Recovers the tracklet on a given set of images (typically pipeline input ones).
/// </summary>
/// <returns><c>true</c>, if tracklet was recovered, <c>false</c> otherwise.</returns>
/// <param name="tvr"><see cref="TrackletVelocityRegression"/> from which the positions are computed.</param>
/// <param name="InputImages">Images on which to perform the recovery.</param>
/// <param name="Recovered">Recovered tracklet.</param>
public bool RecoverTracklet(TrackletVelocityRegression tvr, IEnumerable <Image> InputImages, out Tracklet Recovered)
{
List <ImageDetection> Detections = new List <ImageDetection>();
foreach (Image img in InputImages)
{
/* Compute location */
ObservationTime obTime = img.GetProperty <ObservationTime>();
double Secs = (obTime.Time - tvr.ZeroTime).TotalSeconds;
EquatorialPoint eqp = new EquatorialPoint()
{
RA = tvr.P_TR.Slope * Secs + tvr.P_TR.Intercept, Dec = tvr.P_TD.Slope * Secs + tvr.P_TD.Intercept
};
Position p = new Position(eqp, img.Transform.GetPixelPoint(eqp));
/* Perform recovery */
if (RecoverDetection(p, img, RecoverRadius, InputImages, out ImageDetection RecD))
{
Detections.Add(RecD);
}
}
if (Detections.Count >= MinDetections)
{
Recovered = StandardTrackletFactory.CreateTracklet(Detections.ToArray());
return(true);
}
else
{
Recovered = null; return(false);
}
}
/// <summary>
/// Pairs the sources into tracklets.
/// </summary>
/// <returns>The list of tracklets found by the algorithm.</returns>
public override List <Tracklet> FindTracklets()
{
int i, j;
CandidatePairings = new List <ImageDetection[][]>();
for (i = 0; i < PoolList.Count; i++)
{
/*if (PoolList[i].TryFetchProperty(out PairingProperties pp))
* if (pp.IsPaired) continue;*/
for (j = 0; j < PoolList.Count; j++)
{
if (PoolList[i].TryFetchProperty(out PairingProperties pp))
{
if (pp.IsPaired)
{
if (PoolList[j].TryFetchProperty(out PairingProperties pp2))
{
if (pp2.IsPaired)
{
continue;
}
}
}
}
if (PoolList[i].Time.Time == PoolList[j].Time.Time)
{
continue;
}
if (VerifyPair(PoolList[i], PoolList[j]))
{
AnalyzePair(PoolList[i], PoolList[j]);
}
}
}
var Tracklets = CandidatePairings.Select((ImageDetection[][] x) => x.Where((y) => y.Length > 0).Select(StandardTrackletFactory.MergeStandardDetections).ToArray())
.Select((x) => StandardTrackletFactory.CreateTracklet(x)).ToList();
return(Tracklets);
}
