Secure Captchas via Object Segment Collages.

Tam V. Nguyen Zhe Huang Saiteja Bethini Venkata Sai Prasanth Ippagunta Phu H. Phung

Published in: IEEE Access (2020)

Keyphrases

d objects
data objects
information systems
keypoints
object tracking
object model
security issues
data sets
neural network
lightweight
single image
smart card
multiple objects
security mechanisms
data encryption