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IWR1443BOOST: How to use IWR sensors for people tracking?

Prabanj
Prodigy 190 points
Part Number: IWR1443BOOST
Other Parts Discussed in Thread: IWR6843, IWR1642

Hi,

We want to develop a people tracking application using the mmWave sensors available.

This involves dividing an area into different zones and calculating the time each person spends in a particular zone. 

Zone detection or people counting, which is better suited for the application?

And also is there any pre-built demo for calculation of time?

Which sensor is better suited for this application?

Regards,

Prabanj

  • 0
    TI__Mastermind 28055 points

    Hi Prabanj,

    To use our people counting application as is, you will need to have an IWR6843 or IWR1642.  The Area Scanner demo works with any device.

    To go over the differences between the demos:

    • Area scanner uses the out of box demo, and in the gui creates the occupancy grid for displaying location of people.  It makes no attempt to distinguish between two objects in the same location.
    • People counting uses a tracker to find clusters of points and identify them as people.  This demo uses different firmware than the out of box demo, and requires both the dsp and cortex r4f. Subzones can be defined in the gui to highlight when someone is in a specific location.

    For calculating time, both demos will return a frame number. Frames happen at a consistent time step based on configuration. For example, 1 frame takes 50 ms in the people counting demo, so if someone is at location X for 40 frames, you can determine that they were at X for 2 seconds.

    Regards,

    Justin

  • 0 in reply to Justin Curewitz
    Prodigy 190 points
    Hi Justin,

    Thanks for the answer.
    As our application is to be applied in stores, is it possible to differentiate the sales officials and customers using any tags in case of people counting demo?
  • 0 in reply to Prabanj
    TI__Mastermind 28055 points

    Hi Prabanj,

    Our current radar demos cannot differentiate people using only the radar data.  However, you may be able to use the positional data over time to determine if a target person is a customer or employee.  For example, target spends 10 minutes behind register, this person is probably a employee.  But if they stroll through multiple isles, probably a customer.

    Regards,

    Justin