/// <summary>
/// ユーザのセグメンテーションと新IDの割り当て
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Segmentation_Click(object sender, RoutedEventArgs e)
{
UserSegmentation[] segm = new UserSegmentation[frameSequence.recordNum];
for (int i = 0; i < frameSequence.recordNum; i++)
{
segm[i] = UserSegmentation.Segment(frameSequence.GetMotionDataSequence(i), new TimeSpan(0, 0, 1));
}
frameSequence.Segmentations = segm.ToList();
// 統合IDの生成
segm = UserSegmentation.Identification(frameSequence, 1);
frameSequence.Segmentations = segm.ToList();
// UserIdを選択するUIのリフレッシュ
this.UpdateIntegratedIds();
}
public static UserSegmentation Segment(IEnumerable <MotionData> recordData, TimeSpan segmentTimeSpan)
{
int numUser = 0;
UserSegmentation segm = new UserSegmentation();
Dictionary <ulong, Tuple <int, DateTime> > currentConversions = new Dictionary <ulong, Tuple <int, DateTime> >();
int frameIndex = 0;
foreach (MotionData md in recordData)
{
bool changed = false;
foreach (ulong user in md.bodies.ToList().Select(b => b.TrackingId))
{
Tuple <int, DateTime> converted;
if (currentConversions.TryGetValue(user, out converted))
{
// 前回と比べて時間内なら継続
if (md.TimeStamp - converted.Item2 <= segmentTimeSpan)
{
currentConversions[user] = new Tuple <int, DateTime>(converted.Item1, md.TimeStamp);
continue;
}
}
// 新しい番号を与える
currentConversions[user] = new Tuple <int, DateTime>(numUser, md.TimeStamp);
numUser++;
changed = true;
}
if (changed)
{
segm.Conversions[frameIndex] = currentConversions.ToDictionary(p => p.Key, p => p.Value.Item1);
}
frameIndex++;
}
segm._numUsers = numUser;
return(segm);
}
