Regular Papers

• Complexity Reduction Techniques for the Compression of High-Definition Video

  Tiago A. da Fonseca, Ricardo L. de Queiroz

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• Processing the Segmentation Stage of an Iris Recognition System Through Evolutionary Algorithm

  Milena B. P. Carneiro, Antônio C. P. Veiga, Fernando C. Castro, Edna L. Flôres, Gilberto A. Carrijo

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• Event Location by Triangular Interpolation for Temporal Decomposition of Speech

  Miguel Arjona Ramírez

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• Time and Frequency Dispersion Parameters Measurements at 1.88 GHz in a Vegetated Channel

  Leni J. Matos, Gláucio L. Siqueira

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• Performance Analysis of a Full-Duplex Cooperative Diversity Scheme with Partial Channel Knowledge at the Cooperating Nodes

  Renato Machado, Bartolomeu F. Uchôa-Filho, Tolga M. Duman

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• Switching cell of directional coupler embedded in photonic crystal driven by an external command (for the C, L, and U bands of ITU)

  Amir Wirth Lima Junior, Antonio Sergio Bezerra Sombra

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• Spread Spectrum Communication System with Particle in a Box Electronic Circuit

  José Carlos Pizolato Jr., Luiz Gonçalves Neto

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