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by brk
911 days ago
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Possibly at shorter ranges.
Those devices are essentially ‘bag of water’ detectors. You can get some data out of most of them that pertains to distance and approximate size of the ‘bag’. They generally suffer from exact counts of objects. 2 people close to each other will read like one large person. A large cat close to the sensor could read like a large human at a greater distance. |
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