Is there an easy way, even an existing plugin, to identify photos which show an object (fish) swimming over a white board.
I live on a river and there is a potential problem with alewives, an extremely important fish in the food chain. I'd like to find a way with a wildlife camera to take a photo at regular intervals over 3 week. The more photos I can handle (possibly thousands) the more accurate my count. I was hoping to find an automated way to identify those photos which show an object on the whitish background. I thought it should be possible to just look at the average gray value of the photo. Is there a fairly easy way to do this? Thanks for any help. Jake
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