985 search results - page 127 / 197 » On the validity of digital signatures |
WOWMOM
2006
ACM
14 years 4 months ago
2006
ACM
: Nowadays many organisations share sensitive services through open network systems and this raises the need for an authorization framework that can interoperate even when the part...
CHI
2004
ACM
14 years 3 months ago
2004
ACM
Current Personal Digital Assistants (PDAs) such as Pocket PCs provide little support for sketching. This is due, no doubt, to the limited screen size and relatively poor resolutio...
MAMMO
2010
Springer
14 years 1 days ago
2010
Springer
Abstract. In this paper we present a boosting based approach for automatic detection of micro-calcifications in mammographic images. Our proposal is based on using local features e...
TIFS
2008
13 years 10 months ago
2008
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
JDI
2010
13 years 8 months ago
2010
y was conducted by Cong Yu and Zhihong Yao. The abstract of the study is as follows: To enhance the readability, improve the structure, and facilitate the sharing of digital imag...