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Delete existing track



    deleted = deleteTrack(tracker,trackID) deletes the track specified by trackID in the tracker.


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    Create a track using detections in a radarTracker.

    tracker = radarTracker 
    tracker = 
      radarTracker with properties:
                      TrackerIndex: 0
           FilterInitializationFcn: 'initcvekf'
               AssignmentThreshold: [30 Inf]
                      MaxNumTracks: 100
                  MaxNumDetections: Inf
                     MaxNumSensors: 20
                      OOSMHandling: 'Terminate'
             ConfirmationThreshold: [2 3]
                 DeletionThreshold: [5 5]
                HasCostMatrixInput: false
        HasDetectableTrackIDsInput: false
                   StateParameters: [1x1 struct]
                         NumTracks: 0
                NumConfirmedTracks: 0
    detection1 = objectDetection(0,[1;1;1]);
    detection2 = objectDetection(1,[1.1;1.2;1.1]);
    ans = 
      objectTrack with properties:
                 TrackID: 1
                BranchID: 0
             SourceIndex: 0
              UpdateTime: 1
                     Age: 2
                   State: [6x1 double]
         StateCovariance: [6x6 double]
         StateParameters: [1x1 struct]
           ObjectClassID: 0
              TrackLogic: 'History'
         TrackLogicState: [1 1 0 0 0]
             IsConfirmed: 1
               IsCoasted: 0
          IsSelfReported: 1
        ObjectAttributes: [1x1 struct]

    Delete the first track.

    deleted1 = deleteTrack(tracker,1)
    deleted1 = logical

    Uncomment the following to delete a nonexistent track. A warning will be issued.

    % deleted2 = deleteTrack(tracker,2)

    Input Arguments

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    Radar tracker, specified as a radarTracker object.

    Track identifier, specified as a positive integer.

    Example: 21

    Output Arguments

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    Indicate if the track was successfully deleted or not, returned as 1 or 0. If the track specified by the trackID input existed and was successfully deleted, it returns as 1. If the track did not exist, a warning is issued and it returns as 0.

    Extended Capabilities

    C/C++ Code Generation
    Generate C and C++ code using MATLAB® Coder™.

    Version History

    Introduced in R2021a