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Publications

2005

<title>Signal-to-noise ratio in balanced OCT under wideband illumination</title>

Authors
Rosa, CC; Podoleanu, AG;

Publication
Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX

Abstract

2005

Quantitative movement analysis of extent of wrist movements identifies hypermotor seizures in a non-selected sample of focal epileptic motor seizures

Authors
Ulowetz, S; Cunha, J; Mauerer, C; Vollmar, C; Feddersen, B; Noachtar, S;

Publication
EPILEPSIA

Abstract

2005

Extracting clinical information from endoscopic capsule exams using MPEG-7 visual descriptors

Authors
Coimbra, M; Campos, P; Cunha, JPS;

Publication
IET Seminar Digest

Abstract
The endoscopic capsule is a recent technological breakthrough with high clinical importance. Exam analysis duration is its main setback, requiring an average of two hours from a trained specialist. Automation is required and this paper presents a topographic segmentation tool using low-level features that can reduce annotation times up to 15 minutes per exam. This is accomplished using Bayesian classifiers and MPEG-7 visual descriptors.

2005

A Simulation Model based on a Stochastic Petri Net Approach for Dependability Evaluation of PROFIBUS-DP Networks

Authors
Portugal, PJ; Carvalho, AD;

Publication
ETFA 2005: 10TH IEEE INTERNATIONAL CONFERENCE ON EMERGING TECHNOLOGIES AND FACTORY AUTOMATION, VOL 2, PROCEEDINGS

Abstract
The paper proposes a dependability model which the evaluation of Profibus-DP networks in scenarios transient faults which affect data communications. The behavior of Profibus-DP communication stack is including: cyclic process data exchange between and slave stations; configuration, parameterization and agnostics of slave stations. The model is based on a level Stochastic Petri Net formalism referred as Activity Networks (SAN), supported by the Mobius High modeling power, state-of-the-art analytical and lation solutions, and a flexible and integrated are their main features. Dependability measures are lished from the fulfillment of the real-time (deadlines) defined on process data messages between master and slave stations. The reward concept used to define the measures, which are obtained by of a simulation approach. A case study is proposed to assess the model performance.

2005

Quantified analysis of wrist and trunk movements differentiates between hypermotor and automotor seizures

Authors
Meier, A; Cunha, J; Mauerer, C; Vollmar, C; Noachtar, S;

Publication
EPILEPSIA

Abstract

2005

IROBOT'05: 1(st) International Workshop on Intelligent Robotics

Authors
Reis, LP; Carreto, C; Silva, E; Lau, N;

Publication
2005 Portuguese Conference on Artificial Intelligence, Proceedings

Abstract

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