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IWR6843AOPEVM: Overhead 3D People Detection Axis Confusion

Danh Pham
Intellectual 295 points
Part Number: IWR6843AOPEVM

Hello,

To my understanding, in Overhead detection, the Y-axis and the Z-axis of the sensor are swapped (comparing to the wall mount mode).

This means that the Y-axis is now determining the height.

However, in the default config located in mmwave_industrial_toolbox_4_7_0\labs\people_counting\overhead_3d_people_counting\chirp_configs. The height is still the Z-axis, and when running the MATLAB GUI, it still seems to show correctly.

boundaryBox -4 4 -4 4 -0.5 3

Can you help explain to me why is this the case? Are there any conversions made in the binary or the GUI already?

Thank you.

  • +1
    TI__Genius 10550 points

    Hi, 

    Please refer to the following document for the detail on the same (:\ti\mmwave_industrial_toolbox_4_7_0\labs\people_counting\docs\Tracking_radar_targets_with_multiple_reflection_points.pdf). The axis with respect to the world co-ordinates will change. However, the axis for the senor remains the same. 

    Regards, 

    Sudharshan K N