Sciweavers

2030 search results - page 78 / 406
» Estimation of Chaotic Probabilities
Sort
View
JACM
2011
98views more  JACM 2011»
13 years 3 months ago
Randomized algorithms for estimating the trace of an implicit symmetric positive semi-definite matrix
We analyze the convergence of randomized trace estimators. Starting at 1989, several algorithms have been proposed for estimating the trace of a matrix by 1 M M i=1 zT i Azi, where...
Haim Avron, Sivan Toledo
ICIP
2007
IEEE
14 years 10 months ago
Analysis of Nonlinear Collusion Attacks on Fingerprinting Systems for Compressed Multimedia
In this paper, we analyze the effect of various collusion attacks on fingerprinting systems for compressed multimedia. We evaluate the effectiveness of the collusion attacks in te...
Avinash L. Varna, Shan He, Ashwin Swaminathan, Min...
MICCAI
2005
Springer
14 years 9 months ago
MRI Tissue Classification with Neighborhood Statistics: A Nonparametric, Entropy-Minimizing Approach
We introduce a novel approach for magnetic resonance image (MRI) brain tissue classification by learning image neighborhood statistics from noisy input data using nonparametric den...
Tolga Tasdizen, Suyash P. Awate, Ross T. Whitaker,...
ISBI
2008
IEEE
14 years 9 months ago
Level set segmentation of dermoscopy images
This paper presents a method for the segmentation of skin lesions in dermoscopy images. The proposed technique uses region based level sets and adopts a mixture of Gaussian densit...
Margarida Silveira, Jorge S. Marques
GLOBECOM
2006
IEEE
14 years 2 months ago
Blocking Model for All-Optical Overlaid-Star TDM Networks
—This paper studies the blocking performance of a class of all-optical overlaid-star TDM networks using a leastcongested-path routing strategy for path selection. An analytical m...
Jun Zheng, Cheng Peng, Gregor von Bochmann