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324 research outcomes, page 4 of 33
  • publication . Article . 2021
    Open Access English
    Authors:
    Lamghari, Zineb; Radgui, Maryam; Saidi, Rajaa; Rahmani, Moulay Driss;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    The refined process mining framework contains a set of activities that use extracted information from event logs, discovered models and normative ones. Among these activities, we find those dealing with running events in a Structured Business Process (SBP) context, whic...

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  • publication . Article . 2010
    Open Access Portuguese
    Authors:
    Marcos Proença de Almeida; Maurílio Boaventura;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    Neste trabalho apresenta-se um algoritmo combinando-se uma modificacao do filtro mediano padrao, com base no detector de ruido impulsivo proposto por Chen, Yang e Cao, com um processo de difusao isotropica para remocao de ruido sal e pimenta. Para eliminar ruido impulsi...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Souza, Simone F.; Lima, Fernando Parra dos Anjos; Chavarette, Fábio Roberto;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    This paper presents a novel approach for pattern recognition based on continuous training inspired by the biological immune system operation. The main objective of this paper is to present a method capable of continually learn, i.e., being able to address new types of p...

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  • publication . Article . 2010
    Open Access Portuguese
    Authors:
    Eliane Colepicolo; Edson Takashi Matsubara; Alex Esteves Jaccoud Falcão; Ivan Torres Pisa;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    Este artigo apresenta a utilizacao da ferramenta PreText como tecnica auxiliar a uma pesquisa sobre epistemologia da Informatica em Saude (IS), que visa inferir se a IS se caracteriza como ciencia, tecnologia, tecnociencia ou arte. O PreText tem por objetivo realizar pr...

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  • publication . Article . 2010
    Open Access English
    Authors:
    Hai Yang Sun; Jian Yang; Weiliang Zhao;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    Based on the temporal rules defined for the business processe participating in a business collaboration, we present an implementation for a system called TiCoBTS to verify the reliability of the business collaboration.

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  • publication . Article . 2017
    Open Access English
    Authors:
    Antônio Carlos da Rocha Costa;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    This paper concerns material agent societies, that is, agent societies inhabited by material agents. The paper introduces the concept of energy system of a material agent society, as the organizational sub-system of the society that is responsible for the coordination o...

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  • publication . Article . 2008
    Open Access Portuguese
    Authors:
    Anderson Rocha; Siome Goldenstein;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    <jats:p>In this tutorial, we introduce the basic theory behind Steganography and Steganalysis, and present some recent algorithms and developments of these fields. We show how the existing techniques used nowadays are related to Image Processing and Computer Vision, poi...

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  • publication . Article . Conference object . 2020
    Open Access English
    Authors:
    Tairone Magalhães; Felippe Barros; Mauricio Loureiro;
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    <jats:p>This paper introduces the alpha version of a Python library called Iracema, which aims to provide models for the extraction of meaningful information from recordings of monophonic pieces of music, for purposes of research in music performance. With this objectiv...

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  • publication . Article . 2011
    Open Access Portuguese
    Authors:
    Leyza Baldo Dorini; Neucimar J. Leite;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    Abordagens multi-escala vem sendo amplamente utilizadas em diversas aplicacoes de analise e processamento de sinais, sendo fundamentais em casos onde nao existem informacoes preliminares sobre a escala de observacao apropriada. A ideia basica consiste em criar uma famil...

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  • publication . Article . 2013
    Open Access Portuguese
    Authors:
    José Rodrigo Neri; Maicon Rafael Zatelli; Daniela Maria Uez; Rafael Frizzo Callegaro;
    Persistent Identifiers
    Publisher: Instituto de Informática - Universidade Federal do Rio Grande do Sul

    O uso do paradigma de agentes esta cada vez maior no campo de desenvolvimento de jogos. As caracteristicas dos agentes como autonomia, proatividade e interacao social, podem auxiliar no desenvolvimento de jogos mais realistas e detalhados. Este trabalho tem como objetiv...

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324 research outcomes, page 4 of 33