Recently, one of the popular ways of benchmarking artificially intelligent systems is its capability to detect CAPTCHA images. The notion lies that if an AI system can crack a CAPTCHA, then it can be used to solve other complicated AI problems. An artificially intelligent system cracks CAPTCHA by either image recognition or by text/character recognition. The following screenshot shows a CAPTCHA image along with a deciphered image:
![](https://static.packt-cdn.com/products/9781788992282/graphics/assets/f466441c-c5a8-402e-8ba0-db1b76a8bd75.png)