Prashant Arora

Last seen: 27日前 | 2016 年からアクティブ

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Principal developer for the Sensor Fusion and Tracking Toolbox.

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Why is the covariance so large for angle-only tracking?
I think you intended (but missed?) to compute the square root of the eigen values before computing the ellipse? You can try to...

約1ヶ月前 | 0

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trackerGNN for angle-only detections, no ground truth
Hi, The issue is in the way getTrackPositionsMSC is called in your code. In the MSC frame, tracks are defined with respect t...

約2ヶ月前 | 0

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get track positions from trackerGNN
Hi, For the Cartesian EKF, you should be able to use getTrackPositions(tracks, "constvel") and the output positions represents ...

2ヶ月前 | 0

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Is the methodology used in "sdRemoveImpossibles" a heuristic or is it derived from an academic publication?
Hi Said, This helps in improving the performance of the algorithm by removing sub-optimal solutions from the input cost matrix....

3ヶ月前 | 0

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trackingKF does not output Kalman Gain
Hi, As of R2024a, trackingKF does not output Kalman gain. We will consider this enhancement in the future releases. As a wor...

1年以上前 | 0

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Get tracks in tracker
Hi John, It sounds like you would like to take a peek into predicted estimates of all the tracks without impacting the interna...

1年以上前 | 0

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Multiple Target Tracking using data coming from a real device
Hi, You may find the examples linked below useful. These show how to track objects using data from TI mmWave Radars. Applicat...

1年以上前 | 0

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How does track initialization works when it has two sensor detections in the assignment gate?
Hi Aatif, Your FilterInitializationFcn must return a filter that can correct with both a radar detection or a camera detection....

1年以上前 | 0

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The MCU RAM size requirement for Simulink Multi-Object Tracker module
Hi David, The memory required by multi-object trackers depends on how you configure them. The trackers define properties like M...

1年以上前 | 0

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Some problems of 'Clusters' in 'Info' of Joint Probabilistic Data Association Multi Object Tracker Block.
Hi, Simulink requires a fixed-size bus data type as an output. Therefore, the "Clusters" element of the "Info" bus is always fi...

1年以上前 | 0

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trackingEKF function for state estimation and plotting
Hi Khadeja, Your function signatures for state transition and measurement functions are incorrect. Please refer to the functio...

2年弱前 | 0

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Issues for code generation of trackerPHD and trackingSensorConfiguration using Matlab Coder
Hi Lechi, The tracker defines many of these properties as "nontunable", which means that you cannot change them after C/C++ cod...

2年弱前 | 1

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Error occurred during compilation in the Simulink project 'Track Point Target in Dense Clutter Using GM-PHD Tracker'
Hi Lechi, The reason for this error is the use of an anonymous function as a parameter of the PHD tracker block. Simulink does ...

2年弱前 | 1

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Is there any tracking algorithm utilizing 'assignsd'?
Hi Said, You are right that assignment between tracks and measurements/tracks from multiple sources can be formulated as a S-D ...

2年弱前 | 1

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Need help to use trackingUKF function to track 3D movement of object using measurement data from Radar.
Hi Jo, There are two problems in the code you shared. The order of measurement according to the "cvmeas" function should be [A...

約2年前 | 1

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How to define a Kalman filter with a delta time dependent process noise?
Hi Joost, The “constvel” and other built-in motion models take advantage of the non-additive EKF/UKF process noise model to des...

3年弱前 | 0

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How to generate the datalog and scenario to track objects?
Hi Alexander, There are two possible interpretations of "position" in your question. I am listing options for both interpretati...

約3年前 | 0

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Is it correct that the assignmentCostCalulator class is empty after the TOMHT code gen?
Hi Joost, I suspect that the code generation may have inlined all the code from the AssignmentCostCalculator class for speed/pe...

3年以上前 | 0

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For trackingPF in Sensor Fusion and Tracking Toolkit, how to use custom measurement functions returned as a function handle?
Hi Mark, It seems like customMeasurementFcn_returnedHandle is already a function handle. "@customMeasurementFcn_returnedHandl...

3年以上前 | 0

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Class TrackingSensorConfiguration is not supported by coder. Type as it as handle class
Hi Vimal, The trackerPHD must be constructed with a cell array of trackingSensorConfiguration objects. By setting HasSensorConf...

3年以上前 | 0

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Are there more detailed descriptions of the TOMHT and JPDA tracker available?
Hi Joost, These two introductory pages provide some more information: Introduction to Multiple Target Tracking - MATLAB & Simu...

3年以上前 | 0

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In the JPDA tracker, is it possible to handle partial radar sweeps?
Hi Joost, There is a fundamental limitation to JPDA tracker that is assumes: All tracks must produces at most one detection p...

3年以上前 | 0

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Get track history after using trackerGNN?
Hi Ryan, There is no existing code/tool in the toolbox that does this automatically. Your method of using TrackID information f...

3年以上前 | 0

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How to set source index of trackergnn?
Hi Ryan, trackerGNN has "TrackerIndex" property that controls the SourceIndex of the output tracks. See the property document...

3年以上前 | 1

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Auction Algorithm is not converging due to round off error in dell 7820
Hi Mehmed, The auction algorithm is indeed suspectible to "price wars" when epsilon is low and cost of assignments are roughly ...

3年以上前 | 0

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bBstatic Radar Example issues
Hi Andre, If you open this example using the link in the doc (which translates to this MATLAB command): openExample('fusion/Tr...

約4年前 | 0

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Ego-motion compensation in the Grid-based Tracking in Urban Environment example
Hi Steffen, The grid-based tracker (trackerGridRFS) estimates a local or ego-centric dynamic occupancy grid map i.e the dynamic...

4年以上前 | 0

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Acid and water
⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

約7年前

解決済み

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

約7年前

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how should I do when I want to input matrix of logical type into from workspace block in simulink.
Hi Shunsuke, To Workspace block does allow you to have logical data into Simulink. That data however, should represent a sign...

7年以上前 | 0

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