Publication Date:
2020
abstract:
This chapter introduces a categorization of the main types of CAPTCHA. Then, each category of CAPTCHA is described and some examples are shown. The main advantages and problems related to the different categories of CAPTCHA are shortly discussed. This represents an introductive overview preceding the subsequent chapters where some types of CAPTCHA belonging to this categorization are described in more detail.
Iris type:
2.1 Contributo in volume (Capitolo o Saggio)
List of contributors:
Brodic, D.; Amelio, A.
Book title:
Smart Innovation, Systems and Technologies
Published in: