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» Activity Modeling Using Event Probability Sequences
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MICCAI
2009
Springer
14 years 8 months ago
Biomechanically-Constrained 4D Estimation of Myocardial Motion
We propose a method for the analysis of Magnetic Resonance (MR) cardiac images with the goal of reconstructing the motion of the ventricular walls. The main feature of our method i...
Hari Sundar, Christos Davatzikos, George Biros
JMM2
2007
132views more  JMM2 2007»
13 years 7 months ago
Contour Tracking of Targets with Large Aspect Change
In this paper we present a novel method for tracking contour of a moving rigid object in natural video sequences from a mobile camera. While a mobile camera is keeping track of a m...
Behzad Jamasbi, Seyed Ahmad Motamedi, Alireza Behr...
TITB
2010
167views Education» more  TITB 2010»
13 years 2 months ago
Structural action recognition in body sensor networks: distributed classification based on string matching
Mobile sensor-based systems are emerging as promising platforms for healthcare monitoring. An important goal of these systems is to extract physiological information about the subj...
Hassan Ghasemzadeh, Vitali Loseu, Roozbeh Jafari
STOC
1997
ACM
91views Algorithms» more  STOC 1997»
13 years 11 months ago
Lower Bounds for Distributed Coin-Flipping and Randomized Consensus
We examine a class of collective coin- ipping games that arises from randomized distributed algorithms with halting failures. In these games, a sequence of local coin ips is gener...
James Aspnes
CORR
2007
Springer
117views Education» more  CORR 2007»
13 years 7 months ago
Perfectly Secure Steganography: Capacity, Error Exponents, and Code Constructions
An analysis of steganographic systems subject to the following perfect undetectability condition is presented in this paper. Following embedding of the message into the covertext,...
Ying Wang, Pierre Moulin