Now showing items 1-20 of 83

    • Digital television broadcasting in Brazil 

      Farias, Mylene Christine Queiroz de [UNIFESP]; Carvalho, Marcelo Menezes de [UNIFESP]; Alencar, Marcelo S. (Ieee Computer Soc, 2008-04-01)
    • A Hybrid Heuristic for the k-medoids Clustering Problem 

      Nascimento, Maria C. V. [UNIFESP]; Toledo, Franklina M. B.; Carvalho, Andre C. P. L. F. de; Soule, T. (Assoc Computing Machinery, 2012-01-01)
      Clustering is an important tool for data analysis, since it allows the exploration of datasets with no or very little prior information. Its main goal is to group a set of data based on their similarity (dissimilarity). A ...

    • Analysis of the secular problem for triple star systems 

      Carvalho, Jean Paulo dos Santos [UNIFESP]; Vilhena de Moraes, Rodolpho [UNIFESP]; Prado, A. F. B. A.; Winter, O. C.; IOP (Iop Publishing Ltd, 2013-01-01)
      The long-term dynamics of the three-body problem is studied. the goal is to study the motion of a planet (m(1)) around a star (m(0)) that is perturbed by a third-body (m(2)) (a planet or a brown dwarf star). the gravitational ...

    • Heart rate variability in normal and pathological sleep 

      Tobaldini, Eleonora; Nobili, Lino; Strada, Silvia; Casali, Karina Rabello [UNIFESP]; Braghiroli, Alberto; Montano, Nicola (Frontiers Research Foundation, 2013-01-01)
      Sleep is a physiological process involving different biological systems, from molecular to organ level; its integrity is essential for maintaining health and homeostasis in human beings. Although in the past sleep has been ...

    • Visualization, Analysis, and Testing of Java and AspectJ Programs with Multi-Level System Graphs 

      Lazzarini Lemos, Otavio Augusto [UNIFESP]; Zanichelli, Felipe Capodifoglio [UNIFESP]; Rigatto, Robson [UNIFESP]; Ferrari, Fabiano; Ghosh, Sudipto; IEEE (Ieee, 2013-01-01)
      Several software development techniques involve the generation of graph-based representations of a program created via static analysis. Some tasks, such as integration testing, require the creation of models that represent ...

    • Automatic Design of Decision-Tree Algorithms with Evolutionary Algorithms 

      Barros, Rodrigo C.; Basgalupp, Marcio P. [UNIFESP]; Carvalho, Andre C. P. L. F. de; Freitas, Alex A. (Mit Press, 2013-11-01)
      This study reports the empirical analysis of a hyper-heuristic evolutionary algorithm that is capable of automatically designing top-down decision-tree induction algorithms. Top-down decision-tree algorithms are of great ...

    • Advances in intelligent systems 

      Ludermir, Teresa B.; Zanchettin, Cleber; Lorena, Ana Carolina [UNIFESP] (Elsevier B.V., 2014-03-15)
    • The one-dimensional cutting stock problem with usable leftovers - A survey 

      Cherri, Adriana Cristina; Arenales, Marcos Nereu; Yanasse, Horacio Hideki [UNIFESP]; Poldi, Kelly Cristina [UNIFESP]; Goncalves Vianna, Andrea Carla (Elsevier B.V., 2014-07-16)
      In this article, we review published studies that consider the solution of the one-dimensional cutting stock problem (1DCSP) with the possibility of using leftovers to meet future demands, if long enough. the one-dimensional ...

    • Unraveling snake venom complexity with 'omics' approaches: Challenges and perspectives 

      Zelanis, Andre [UNIFESP]; Tashima, Alexandre Keiji [UNIFESP] (Elsevier B.V., 2014-09-01)
      The study of snake venom proteomes (venomics) has been experiencing a burst of reports, however the comprehensive knowledge of the dynamic range of proteins present within a single venom, the set of post-translational ...

    • Nanostructured thin films based on TiO2 and/or SiC for use in photoelectrochemical cells: A review of the material characteristics, synthesis and recent applications 

      Pessoa, R. S.; Fraga, M. A.; Santos, L. V.; Massi, M. [UNIFESP]; Maciel, H. S. (Elsevier B.V., 2015-01-01)
      In solar energy harvesting research, there is growing interest in the study of photoelectrochemical (PEC) properties of the following classes of semiconductor materials: metal oxides and silicon-based compounds. the ...

    • AUTOMATIC SUBCORTICAL TISSUE SEGMENTATION OF MR IMAGES USING OPTIMUM-PATH FOREST CLUSTERING 

      Cappabianco, Fabio Augusto Menocci [UNIFESP]; Ide, Jaime Shinsuke [UNIFESP]; Falcao, Alexandre; Li, Chiang-shan R. (Ieee, 2011-01-01)
      Automatic MR-image segmentation of brain tissues is an important issue in neuroimaging. For instance, it is a key methodological component of a popular technique denominated voxel-based morphometry (VBM), which quantifies ...

    • Label Propagation Through Neuronal Synchrony 

      Quiles, Marcos Gonçalves [UNIFESP]; Zhao, Liang; Breve, Fabricio A.; Rocha, Anderson (Ieee, 2010-01-01)
      Semi-Supervised Learning (SSL) is a machine learning research area aiming the development of techniques which are able to take advantage from both labeled and unlabeled samples. Additionally, most of the times where SSL ...

    • Extended Small Gain Theorem with Application to Time-Delay Switched Linear Systems 

      Deaecto, Grace Silva [UNIFESP]; Geromel, Jose C.; Galbusera, Luca; Bolzern, Paolo; IEEE (Ieee, 2012-01-01)
      This paper generalizes the Small Gain Theorem - SGT to cope with time-delay switched linear systems. The main purpose is to obtain delay-dependent stability conditions that can be imposed by means of an appropriate switching ...

    • Development of Auxiliary Functions: Should You Be Agile? An Empirical Assessment of Pair Programming and Test-First Programming 

      Lemos, Otávio Augusto Lazzarini [UNIFESP]; Ferrari, Fabiano Cutigi; Silveira, Fabio Fagundes [UNIFESP]; Garcia, Alessandro (Ieee, 2012-01-01)
      A considerable part of software systems is comprised of functions that support the main modules, such as array or string manipulation and basic math computation. These auxiliary functions are usually considered less complex, ...

    • A CASE ANALYSIS OF THE IMPACT OF PRIOR CENTER OF GRAVITY ESTIMATION OVER SKULL-STRIPPING ALGORITHMS IN MR IMAGES 

      Miranda, Paulo André Vechiatto de [UNIFESP]; Cappabianco, Fabio Augusto Menocci [UNIFESP]; Ide, Jaime Shinsuke [UNIFESP]; IEEE (Ieee, 2013-01-01)
      In this work, we propose a novel approach for improving center of gravity (COG) estimation of the brain in magnetic resonance (MR) images, that uses 3D Haar-like features. We hypothesize that better pose estimation will ...

    • State feedback switched control of discrete-time switched linear systems with application to networked control 

      Deaecto, Grace Silva [UNIFESP]; Souza, Matheus; Geromel, Jose C. (Ieee, 2013-01-01)
      This paper treats the state feedback switched control design problem for discrete-time switched linear systems. More specifically, the control goal is to design a set of state feedback gains together with a state dependent ...

    • A Dynamical Model for Community Detection in Complex Networks 

      Quiles, Marcos Gonçalves [UNIFESP]; Zorzal, Ezequiel Roberto [UNIFESP]; Macau, Elbert Einstein Nehrer [UNIFESP]; IEEE (Ieee, 2013-01-01)
      One important feature observed in several complex networks is the structure of communities, or modular structure. Detecting communities is still a big challenge for researchers, specially the development of models to deal ...

    • Pipeline Architecture for Mobile Data Analysis 

      Conceicao, Arlindo Flavio da [UNIFESP]; Sanchez, Jimmy Kraimer Martín Valverde [UNIFESP]; Santos, Bruno Gabriel dos [UNIFESP]; Vieira, Dario; Rocha, Vladimir [UNIFESP]; IEEE (Ieee, 2014-01-01)
      This paper presents a cloud architecture that allows collecting and analyzing mobile data. The system offers simple and intuitive interfaces to create mobile applications (Apps), without the need for any programming skill ...

    • A State-Based Testing Method for Detecting Aspect Composition Faults 

      Silveira, Fabio Fagundes [UNIFESP]; Cunha, Adilson Marques da; Lisboa, Maria Lucia (Springer, 2014-01-01)
      Aspect-Oriented Software Development is a contemporary technique of software development that aims to improve the separation of concerns issues faced by traditional approaches. It improves the modularity of crosscutting ...

    • Nitrolinoleate activates PPAR gamma signaling in THP-1 cells: the importance of the p21Ras-MAP kinases signaling pathway 

      Ferderbar, S.; Monteiro, Hugo Pequeno [UNIFESP]; Abdalla, Dulcineia Saes Parra [UNIFESP] (Blackwell Publishing, 2006-06-01)