Web Services Based Attacks against Image CAPTCHAs.

David Lorenzi Jaideep Vaidya Shamik Sural Vijayalakshmi Atluri

Published in: ICISS (2013)

Keyphrases

web services
image data
input image
image segmentation
image analysis
template matching
image features
single image
image collections
image content
image representation
blind watermarking
multiscale
image classification
image matching
test images
high resolution
low level
computer vision
image retrieval
region of interest
countermeasures
image regions
hough transform
multiresolution
image set
watermarking technique
image watermarking
watermarking method