Recursos de colección

Repositório Comum (24.491 recursos)

É um repositório para instituições de ensino e investigação produtoras de literatura científica cuja dimensão ainda não justifica a criação de um repositório próprio. Permite integrar instituições, grupos ou indivíduos na infra-estrutura do projecto, nomeadamente através das pesquisas do Portal RCAAP e da B-On.

OFT - Artigos

Mostrando recursos 1 - 2 de 2

  1. Automatic localization of the optic disc by combining vascular and intensity information

    Mendonça, AM; Sousa, A; Mendonça, L; Campilho, A
    This paper describes a new methodology for automatic location of the optic disc in retinal images, based on the combination of information taken from the blood vessel network with intensity data. The distribution of vessel orientations around an image point is quantified using the new concept of entropy of vascular directions. The robustness of the method for OD localization is improved by constraining the search for maximal values of entropy to image areas with high intensities. The method was able to obtain a valid location for the optic disc in 1357 out of the 1361 images of the four datasets.
    - 16-feb-2014

  2. Doença de Graves associada à artrite idiopática juvenil

    Marques, VM; Dias de Carvalho, SC; Antunes, AM; Pinho-Marques, OA; Fernandes-Silva, MH; Costa-Vieira, MJ
    The authors report the case of a 10-year-old girl with Graves' disease (GD), treated with propylthiouracil, who developed uveitis and polyarticular arthritis, and whose mother also had GD and discoid lupus. The differential diagnosis of inflammatory arthritis that appears in a child with autoimmune thyroid disease managed with antithyroid drugs is discussed.
    - 06-jun-2013

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