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Re:How many flies are in my apartment? by ramanan on Friday June 18, 2021 @08:23AM (#27549578)
This catch and release pattern is quite common in many wildlife surveys.

For example, when estimating tiger populations, instead of painting a white dot, rangers set up camera traps to take photos. Then they can use stripe patterns as a signature for subsequent re-appearances. Quite an interesting intersection for image AI with statistical counting methods.

Re:How many flies are in my apartment? by MereInterest on Friday June 18, 2021 @08:33AM (#27549636)
Are there adjustments that need to be made for non-random sampling in that case? I'd imagine that with any territorial animal, a stationary camera is most likely to see the same animal multiple times.
Re:How many flies are in my apartment? by ramanan on Friday June 18, 2021 @08:37AM (#27549663)
True. I’m no expert in this area, but there are a lot more factors too - including territorial range and even different camera locations.