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How Pruning is done in trackerTOMHT?
This is all explained in the trackerTOMHT references (https://www.mathworks.com/help/fusion/ref/trackertomht-system-object.html)...
20 days ago | 0
| accepted
How to smooth State Estimates from trackerGNN?
You can use the smootherJIPDA object for multi-object smoothing. https://www.mathworks.com/help/fusion/ref/smootherjipda.html
1 month ago | 0
| accepted
Volume Property in trackerGNN
That depends on your measurement space. If you measure in rectangular frame then, yes, volume will change with distance. You sho...
2 months ago | 0
| accepted
Running Tracker GNN in difficult situations
Usman, The GNN framework is considered the most simple and least robust multi-object tracking framework. It makes hard/crisp d...
2 months ago | 0
How cost matrix in trackerGNN is calculated?
Did you predict your tracks to the time of the new detection?
5 months ago | 0
How ellipsoidal validation gate is formed around a track in trackerGNN?
In tracking, gates are calculated based on the combination of tracks and detections, using the Mahalanobis distance (or negative...
5 months ago | 0
| accepted
toStruct() function not yielding expected result
Thomas, We do not support the class-fusion in Simulink. I am assuming that's why you're getting this error. That is the reason...
5 months ago | 0
Calling irSensor() outside of scenario
Hi Thomas, You are right and below is some explanation and a suggestion. When we designed the irSensor system object, we wante...
6 months ago | 0
can somebody explain me the concept of assignment threshold for trackers (trackergnn, trackerJPDA, trackerTOMHT etc), like how can i use it to control the association?
Hello Sheikh Muhammad Hamayun, To understand how assignment works, let us first start with why it is needed. A multi-object t...
1 year ago | 0
People Tracking Using TI mmWave Radar Code Not Working
As with any example, you have to open it using the command openExample. You can use the top right button in the example html pag...
1 year ago | 0
In which tool box I can get theaterPlot scratch code
I think an important question is why do you need the code for theaterPlot. Can you explain your use case? Is there something t...
1 year ago | 0
How to incorporate PRF to fusionRadarSensor object
The fusionRadarSensor is a measurement-level or statistical-level sensor. As such, it does not simulate signals and does not hav...
2 years ago | 0
| accepted
The Question related to the "Detect and Track LEO Satellite Constellation with Ground Radars" and "FusionRadarSensor"
The refraction model is taken from reference [1] in this link: https://www.mathworks.com/help/radar/ref/radardatagenerator-sys...
2 years ago | 0
Should track and measurement be in the same frame or coordinates system and if not how will the assignment work?
You mention that your measurement function already knows how to handle different sensor models based on SensorIndex. So, the tra...
2 years ago | 0
The MCU RAM size requirement for Simulink Multi-Object Tracker module
David, It is possible to deploy trackers with less than 200K RAM, however the general answer to your question depends on how m...
2 years ago | 0
How can I use a modified measurement model or observation matrix H in trackingEKF?
Sounds like you should use a trackingEKF and create a measurement function that converts your (x,y) pixel measurements.
2 years ago | 0
How to decrease correction of kalman filter while traking cars on a road with their real positions at 1hz?
Hannes, I am not sure that I understand your use case and whether you're using the right tracking algorithms. A few questions: ...
2 years ago | 0
Is it possible to create terrain occlusion scenarios using trackingScenarioDesigner?
Hi Said, At the moment, the trackingScenarioDesigner app does not support importing terrain data. Elad
2 years ago | 0
| accepted
How to modify radar measurement noise and how to take into consideration radar measurement period uncertainty
Hi Said, For the noise, there are a few options: You can modify the ReferenceRange and ReferenceRCS. These two properties con...
2 years ago | 0
| accepted
What causes a continuity error while using metrics?
The trackAssignmentMetrics and trackErrorMetrics require you to report all the truths and tracks at every time you update them. ...
2 years ago | 0
How MeasurementNoise is calculated for detections generated by fusionRadarSensor?
The following topic page provides a more detailed explanation for some of the questions: https://www.mathworks.com/help/radar/ug...
2 years ago | 0
Sensor fusion with Kalman filter
To answer your first question: Yes, the Kalman filter does not care if the measurements arrive from the same sensor, two sensors...
2 years ago | 3
| accepted
Is there a way or function to get alerts whenever a fusion is lost?
You are asking three different questions: How to generate an alert when a fused track is lost? Suppose the following function...
2 years ago | 0
How to fix altitude bias of fusionRadarSeneor detections?
Hi Stav, As they say in Hebrew: It's not a bug, it's a feature :-) The altitude bias is indeed caused by atmospheric refractio...
3 years ago | 1
| accepted
Initializing user-defined a-priori covariance for tracker objects (trackerTOMHT).
Hi Anthony, Thanks for the question. It's a very interesting and probably challenging problem for the TOMHT tracker. To answe...
3 years ago | 1
| accepted
How to update a tracker without any detection
Hi, Thanks for the question. A nonempty cell array of detections is only needed in the first call to the tracker in order to...
3 years ago | 0
How to use other filters than simple Kalman in Motion-Based Multiple Object Tracking Example
Hi Peter, Thanks for the question. The example that you refer to uses the vision.KalmanFilter object, which is a linear Kalma...
3 years ago | 1
| accepted
How does the TOMHT tracker account for multiple sensors?
Hi Joost, We do follow the approach that Blackman and Popoli suggest. Essentially, each detection carries its own SensorIndex...
3 years ago | 0
| accepted
How does the TOMHT handles the input of detectable branchID's?
Hi Joost, Happy to help. For your question: the way the trackerTOMHT uses the detectableBranchIDs is that it uses the probabil...
3 years ago | 0
| accepted
In target tracking and sensor fusion, is it possible to keep state vector in cartesian coordinates while keeping measurements in spherical coordinates?
Yes, it is possible. Based on your previous question, I am assuming you're using one of the available trackers (e.g., trackerGN...
3 years ago | 0
