1242 search results - page 108 / 249 » Digital Objects as Passwords |
ICIAP
2005
ACM
15 years 10 months ago
2005
ACM
An efficient approach to shape matching in digital images is presented. The method, called Weighted Edge Potential Function, is a significant improvement of the EPF similarity meas...
EUROPKI
2007
Springer
15 years 4 months ago
2007
Springer
Even more than in our physical world, in our digital world we need systems that meet the security objective of service providers and users in equal measure. This paper investigates...
ICDCSW
2006
IEEE
15 years 4 months ago
2006
IEEE
As an example of digital augmentation of a tiny object, a small cube-sized die is presented that perceives and records what face it rolls on. It is thus able to detect bias and co...
AAIM
2006
Springer
15 years 3 months ago
2006
Springer
We introduce a novel invertible transform for two-dimensional data which has the objective of reordering the matrix so it will improve its (lossless) compression at later stages. T...
GECCO
2005
Springer
15 years 3 months ago
2005
Springer
We propose an evolutionary algorithm for the enhancement of digital semi-fragile watermaking based on the manipulation of the image discrete cosine transform (DCT). The algorithm ...