29 search results - page 5 / 6 » Graphical Dictionaries and the Memorable Space of Graphical ... |
SOICT
2010
13 years 15 days ago
2010
Protecting data by passwords in documents such as DOC, PDF or RAR, ZIP archives has been demonstrated to be weak under dictionary attacks. Time for recovering the passwords of suc...
BCSHCI
2008
13 years 7 months ago
2008
Usable security has unique usability challenges because the need for security often means that standard humancomputer-interaction approaches cannot be directly applied. An importa...
CHI
2011
ACM
12 years 9 months ago
2011
ACM
While a large body of research on image-based authentication has focused on memorability, comparatively less attention has been paid to the new security challenges these schemes m...
DCC
2006
IEEE
14 years 5 months ago
2006
IEEE
Abstract. We propose measures for compressed data structures, in which space usage is measured in a data-aware manner. In particular, we consider the fundamental dictionary problem...
DCC
2011
IEEE
13 years 23 days ago
2011
IEEE
We present a new color image compression algorithm for RGB images. In our previous work [6], we presented a machine learning technique to derive a dictionary of orthonormal basis ...