deleteTrack

Delete existing track

Syntax

deleted = deleteTrack(obj,trackID)

Description

deleted = deleteTrack(obj,trackID) deletes the track specified by trackID in the tracker or track fuser object, obj.

Examples

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Delete track

Open Live Script

Create a track using detections in a GNN tracker.

tracker = trackerGNN;
detection1 = objectDetection(0,[1;1;1]);
detection2 = objectDetection(1,[1.1;1.2;1.1]);
tracker(detection1,0);
tracker(detection2,1)

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
   1

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

% deleted2 = deleteTrack(tracker,2)

Input Arguments

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`obj` — Tracker or fuser object
`trackerTOMHT` object | `trackerJPDA` object | `trackerGNN` object | `trackerPHD` object | `trackFuser` object

Tracker or fuser object, specified as a trackerTOMHT, trackerJPDA, trackerGNN\, trackerPHD, or trackFuser object.

`trackID` — Track identifier
positive integer

Track identifier, specified as a positive integer.

Example: 21

Output Arguments

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`deleted` — Indicate if track was successfully deleted
`1` | `0`

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.