853 search results - page 71 / 171 » Flexible authentication of images |
WWW
2009
ACM
14 years 8 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper, we develop an adjustable Fuzzy Extractor using the Physical Unclonable Functions (PUF) obtained by a common laser engraving method to sign physical objects. In part...
CTRSA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. The task of developing protocols for humans to securely authenticate themselves to a remote server has been an interesting topic in cryptography as a replacement for the ...
SERSCISA
2009
Springer
14 years 2 months ago
2009
Springer
Many visual similarity-based phishing page detectors have been developed to detect phishing webpages, however, scammers now create polymorphic phishing pages to breach the defense ...
ICCV
2009
IEEE
15 years 21 days ago
2009
IEEE
We study the task of detecting the occurrence of objects in large image collections or in videos, a problem that combines aspects of content based image retrieval and object locali...