Mostrando recursos 1 - 4 de 4

  1. An effective approach for network management based on situation management and mashups

    Rendon, Oscar Mauricio Caicedo
    The Situation Management discipline is intended to address situations happening or that might happen in dynamic systems. In this way, this discipline supports the provisioning of solutions that enable analyzing, correlating, and coordinating interactions among people, information, technologies, and actions targeted to overcome situations. Over recent years, the Situation Management has been employed in diverse domains ranging from disaster response to public health. Notwithstanding, up to now, it has not been used to deal with unexpected, dynamic, and heterogeneous situations that network administrators face in their daily work; in this thesis, these situations are referred to as network management situations....
    (application/pdf) - 26-feb-2017

  2. An effective approach for network management based on situation management and mashups

    Rendon, Oscar Mauricio Caicedo
    The Situation Management discipline is intended to address situations happening or that might happen in dynamic systems. In this way, this discipline supports the provisioning of solutions that enable analyzing, correlating, and coordinating interactions among people, information, technologies, and actions targeted to overcome situations. Over recent years, the Situation Management has been employed in diverse domains ranging from disaster response to public health. Notwithstanding, up to now, it has not been used to deal with unexpected, dynamic, and heterogeneous situations that network administrators face in their daily work; in this thesis, these situations are referred to as network management situations....
    (application/pdf) - 27-feb-2017

  3. Tone mapping reverso de alta qualidade para uma ampla gama de exposições

    Kovaleski, Rafael Pacheco
    Operadores de tone mapping reverso (RTMOs) realçam imagens e vídeos de baixa faixa dinâmica para visualização em monitores de alta faixa dinâmica. Um problema comum encontrado por operadores anteriores é a maneira com que tratam conteúdo sub ou superexposto. Sob tais condições, eles podem não ser eficientes, e até mesmo causar perda e reversão de contraste visível. Apresentamos uma classe de operadores de tone mapping reverso, baseados no filtro bilateral cruzado (cross bilateral filter), capazes de gerar imagens HDR de alta qualidade. Experimentos utilizando uma métrica objetiva de avaliação de imagens demostram que nosso método é a única técnica capaz...
    (application/pdf) - 23-feb-2017

  4. Study of the audio coding algorithm of the MPEG-4 AAC standard and comparison among implementations of modules of the algorithm

    Hoffmann, Gustavo André
    Audio coding is used to compress digital audio signals, thereby reducing the amount of bits needed to transmit or to store an audio signal. This is useful when network bandwidth or storage capacity is very limited. Audio compression algorithms are based on an encoding and decoding process. In the encoding step, the uncompressed audio signal is transformed into a coded representation, thereby compressing the audio signal. Thereafter, the coded audio signal eventually needs to be restored (e.g. for playing back) through decoding of the coded audio signal. The decoder receives the bitstream and reconverts it into an uncompressed signal. ISO-MPEG...
    (application/pdf) - 03-feb-2017

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