python - How to separate the dart board from the background with OpenCV? - Stack Overflow
PDC Darts on Twitter: "WHAT A FINISH THAT IS! A remarkable 122 finish from Greaves, pinning D7 for a 1-0 lead in the second set! #WCDarts | R1 📺 https://t.co/37DNuuK5Me https://t.co/796ViR5WDq" /