Defeating line-noise CAPTCHAs with multiple quadratic snakes.

Yoichi Nakaguro Matthew N. Dailey Sanparith Marukatat Stanislav S. Makhanov

Published in: Comput. Secur. (2013)

Keyphrases

computer vision
random noise
real time
genetic algorithm
image processing
expert systems
signal to noise ratio
active contour model
image noise
image segmentation
image analysis
multiresolution
missing data
noise level