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Ball Speed measurement and Terrain mapping

Other Parts Discussed in Thread: OPT8241, OPT9221

To whom it may concern,

I am inquiring regarding the potential purchase of the OPT8241-CDK-EVM and have two questions regarding application.

Use case:
I am looking at for this particular device and I’d like to understand if there is a potential fit for these use cases.  They are both golf related
1. Ball speed and angle measurement - I am looking to place the unit behind a golf and upon triggering the capture, I would like to measure the speed and launch angle of a golf ball.  Using some calculations on the initial velocity, I would require 2-3 initial samples to establish a launch model.  Depending on the sampling frequency (50 Hz) and 2-3 samples, the unit would have to detect a golf ball 15ft away.  For 100Hz, 8 feet away.  Does the unit/sensor have enough resolution or sampling speed for depth detection?
2. Terrain mapping - This unit would be used to map out the terrain of a green.  Greens in golf typically have undulating and uneven surfaces.  I’d like to look to see if its possible to map the topology of the surface and also what the maximum distance is.  Since the greens are typically illuminated by natural sunlight, it may be quite bright.
Appreciate any information you may have on this unit along with any pricing information.
  • Dear Winston,


    Both the applications that you have mentioned are valid use cases for Tintin chipset (OPT8241+OPT9221). But I will have to warn you that the first application (golf ball tracking) is a bit more challenging due to motion artifacts. Each ToF frame uses multiple quads and therefore motion between the quads causes depth mapping issues. There are timing techniques and algorithms to overcome these issues, but not all of this may be possible on OPT8241-CDK-EVM due to laser safety related restrictions. The second application (scanning the greens) should be easier to evaluate.

    Please note that the EVM itself is not meant for use in an end application. It is meant only for evaluation. But the design files are available for modification and re-use here

    The EVM pricing will be disclosed only when the EVM is available for ordering. Please mail us at ti-3dtof@list.ti.com for more details.


    Regards