IWR1642: Error covariance matrix and Gating Gain understanding

Hi, 

Where did you see the information about Error Covariance Matrix and Gating function gain?  I do not think they are included in the SDK out-of-box demo.  Those parameter can be related to tracking module.  Tell me let me know which demo you are trying to use that has these information?

Best,

Zigang

Hi Zigang,

We use people counter demo. We almost didn't modified original firmware form SDK (we only disabled cloud of points). 

For now IWR1642 sends Target list to uart and we are working with these data. 

Here is description from People Count User Guide:

Question is how to use these data.

Best regards,

Leonid

Hi, Leonid:

These information is generated by tracker and used in the visualizer.   

A bottom panel with a Gating and Association plot.

• This plot visualizes the result of the tracking algorithm.
• The colored points represent the detection points (black points in previous frame's Point Cloud plot) which are associated to a specific track. Unassociated points that do not belong to a track are not plotted.
• The colored circular ring is centered over the centroid of of the tracked object. The diameter of the ring is related to the variance in location of the tracked object's detection points.

You may find more information in C:\ti\<mmwave_industrial_toolbox_install_dir>\labs\people_counting\68xx_people_counting\docs\pplcount_customization_guide.pdf

Best,

Zigang

Hi Zigang,

thank you for explanation.

Our device which is connected to IWR1642 via UART use the same data packet.

We capture X,Y and other data and use it for our own application and visualization.

I want to know is it possible to use EC and G fields for getting some information about object size to make object classification (human, animal, car etc) ?

Or how can we use this information?

Best regargs,

Leonid