On: Dandelion Seeds Fly Using ‘Impossible’ Method Neve...

[jayd16]

The bristles seem long enough. You could cut them, separate them, take a well contrasted photo, repeat. The image recognition task would be pretty easy at that point I think as you're just counting separated bristles.

[unparagoned → jayd16]

That's kind of at the point where the solution takes so long to develop that you might as well count them manually.