The sensor has one job. Dectect photons. These photons are not marked in any way. And other than filtering out all the ones that are not 940nm, we have no way of knowing if they are even ours. That's why sunlight is such a problem.
The VL53L1CB can detect multiple targets within the FoV, so if you saw one near target you could discount it as noise because you know better.
There is an issue in that in order to be fully rendered, they have to be some 80cm apart in distance. But if the targets were closer together than that - you would get a "merged target warning".
You might be able to use that information to decide what is going on.
- john
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