JAISE
2011
13 years 6 months ago
2011
Advances in computer vision and pattern recognition research are leading to video surveillance systems with improved scene analysis capabilities. However, up to now few works have ...
HIP
2005
Springer
14 years 5 months ago
2005
Springer
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...