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TCS
2008
15 years 6 months ago
New constructions for provably-secure time-bound hierarchical key assignment schemes
A time-bound hierarchical key assignment scheme is a method to assign time-dependent encryption keys to a set of classes in a partially ordered hierarchy, in such a way that each ...
Alfredo De Santis, Anna Lisa Ferrara, Barbara Masu...
TCSV
2008
131views more  TCSV 2008»
15 years 6 months ago
Fast Optimal Motion Estimation Based on Gradient-Based Adaptive Multilevel Successive Elimination
In this paper, we propose a fast and optimal solution for block motion estimation based on an adaptive multilevel successive elimination algorithm. This algorithm is accomplished b...
Shao-Wei Liu, Shou-Der Wei, Shang-Hong Lai
ISCI
2007
82views more  ISCI 2007»
15 years 6 months ago
Managing software process measurement: A metamodel-based approach
The evaluation of software processes is nowadays a very important issue due to the growing interest of software companies in the improvement of the productivity and quality of del...
Francisco García, Manuel A. Serrano, Jos&ea...
TIFS
2008
179views more  TIFS 2008»
15 years 6 months ago
Blind Identification of Source Cell-Phone Model
The various image-processing stages in a digital camera pipeline leave telltale footprints, which can be exploited as forensic signatures. These footprints consist of pixel defects...
Oya Çeliktutan, Bülent Sankur, Ismail ...
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TIP
2008
125views more  TIP 2008»
15 years 6 months ago
Segmentation by Fusion of Histogram-Based K-Means Clusters in Different Color Spaces
Abstract--This paper presents a new, simple, and efficient segmentation approach, based on a fusion procedure which aims at combining several segmentation maps associated to simple...
Max Mignotte
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