I actually did this once, with a 100 piece puzzle. It took about an hour. There were several pairs of pieces that looked like they fit, and even felt almost rig

I actually did this once, with a 100 piece puzzle. It took about an hour. There were several pairs of pieces that looked like they fit, and even felt almost right, but weren't correct. It might be possible with computer vision, as long as you set the right tolerance of how tightly the pieces should fit together.