A Systematic Survey on CAPTCHA Recognition: Types, Creation and Breaking Techniques
Crossref DOI link: https://doi.org/10.1007/s11831-021-09608-4
Published Online: 2021-06-14
Published Print: 2022-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kumar, Mohinder
Jindal, M. K.
Kumar, Munish http://orcid.org/0000-0003-0115-1620
Text and Data Mining valid from 2021-06-14
Version of Record valid from 2021-06-14
Article History
Received: 12 April 2021
Accepted: 19 May 2021
First Online: 14 June 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: No human and animal participants were used.