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Elad Kivelevitch

Last seen: 3 days ago |  Active since 2018

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  • Knowledgeable Level 4
  • 6 Month Streak
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Answered
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

5 days ago | 0

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Answered
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...

6 days ago | 0

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Answered
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. ...

1 month ago | 0

Answered
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...

1 month ago | 0

Answered
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...

3 months ago | 1

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Answered
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...

3 months ago | 0

Answered
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...

5 months ago | 1

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Answered
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...

5 months ago | 1

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Answered
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...

6 months ago | 0

Answered
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...

11 months ago | 1

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Answered
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...

12 months ago | 0

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Answered
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...

12 months ago | 0

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Answered
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...

1 year ago | 0

Answered
In trackerGNN, why is the costOfNonAssignment half of the Assignment Threshold?
Because the penalty for not assigning a detection to a track is applied twice - once for the unassigned detection and once for t...

1 year ago | 0

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Answered
Can't change MeasurementNoise value in trackingIMM filter
Hi, In all the tracking filters, the measurement size is non-tunable, because it is needed for code generation. If you want to...

1 year ago | 0

Answered
Where is the non-tunable property 'pStateSize' located in the TOMHT tracker?
Hi, I believe the error would be coming from matlabshared.tracking.internal.fusion.ObjectTrack. This is the internal object tra...

1 year ago | 0

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Answered
Is there a MATLAB solution for merging tracks that are the output of the TOMHT tracker?
Hi Joost, At this time, we have no such functionality. We have considered it in the past but have not had a strong use case or...

1 year ago | 0

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Answered
In the TOMHT tracker, what is exactly the difference between the parameters MaxNumHypotheses and MaxNumTrackBranches?
The main difference is that branches are hypotheses at the track level. They are formed based on the assignment results and main...

1 year ago | 0

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Answered
Is it possible to make MATLAB Coder generate C++ code with tunable parameters?
Joost, If you could please list which parameters you would like to make tunable, we can consider whether it would be possible ...

1 year ago | 0

Answered
Get associated measurement history for trackerGNN?
Yes. You can use [confirmedTracks, ~, ~, info] = tracker(detections, time); Then, in info, you can look for the field Assig...

1 year ago | 0

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Answered
In the TOMHT tracker, how do I change the state vector and add more filters?
The default state depends on the FilterInitializationFcn property, which is initcvekf. initcvekf initializes a constant velocity...

1 year ago | 1

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Answered
How can I implement a multi-track imm tracker with Matlab Coder compatability
There might be several reasons why codegen will not work for this code. For the error you're getting: first make sure that max_...

1 year ago | 0

Answered
Matlab Coder: How can I implement a tracker with seperate functions for initialization and predict/update?
The short answer is - not directly. When you generate code, you cannot pass handle classes to or from the top-level class, which...

1 year ago | 1

Answered
wht kind of toolbox i can use for simulate my drone without any hardware ?
If you're using R2021a, you can use UAV Toolbox.

1 year ago | 0

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Answered
Saving tracking Scenario to .mat file
Chris, If you're using release R2020b or later, you should be able to directly import the scenario object into the tracking sce...

2 years ago | 0

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Answered
Unrecognized field name ptCloudData
Have you used the supporting function to download the supporting data? The first line of the example is: [ptClouds,pretrained...

2 years ago | 0

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Answered
Why doesn't the "sensor fusion and tracking toolbox" have advanced tracking algorithms such as KCF, GOTURN, FairMOT, deepSort?
Hi Cui, To the best of my knowledge, the algorithms you cite are mostly used in vision-based tracking and they are intended for...

2 years ago | 2

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Answered
How to define bespoke MeasurementModel with trackingKF
Hi, The linear Kalman filter, trackingKF, only uses a single measurement matrix, therefore the way to use two different measure...

2 years ago | 0

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Answered
IMU GPS fusion for interial navigation example error - quadcopter error
Based on the screenshot above, you are not in the example path. Please use the command: openExample('shared_positioning/IMUan...

2 years ago | 0

Answered
How to use tracking metrics on filter tracker like the kalman filter tracker (trackingkf)?
Nadya, I am afraid I don't understand the question. The output from the tracker that you want to compare to the truth using tr...

2 years ago | 0

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