Breaking Text-based CAPTCHAs using Average Vertical Partition.

Xiyang Liu Yang Zhang Jing Hu Mengyun Tang Haichang Gao

Published in: J. Inf. Sci. Eng. (2019)

Keyphrases

multimedia
domain knowledge
image search
weighted average
database
real time
neural network
computer vision
image processing
high level
objective function
digital libraries
markov random field
partitioning algorithm