853 search results - page 127 / 171 » Flexible authentication of images |
TSP
2010
13 years 3 months ago
2010
Abstract--An efficient and flexible dictionary structure is proposed for sparse and redundant signal representation. The proposed sparse dictionary is based on a sparsity model of ...
SOUPS
2010
ACM
14 years 21 days ago
2010
ACM
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
PAMI
2007
13 years 8 months ago
2007
—Biometrics-based authentication systems offer obvious usability advantages over traditional password and token-based authentication schemes. However, biometrics raises several p...
COMPSAC
2011
IEEE
12 years 8 months ago
2011
IEEE
— This paper discusses ongoing research into the development of an original composition portfolio themed on the concept of palimpsests of time and place. The research involves th...
APLAS
2010
ACM
13 years 9 months ago
2010
ACM
Abstract. We propose a flexible method for verifying the security of ML programs that use cryptography and recursive data structures. Our main applications are X.509 certificate ch...