997 resultados para Nicolás Factor Beato, 1520-1583-Retratos-Grabado


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Resumen: Descripción: retrato de tres cuartos de Carlos IV con el torso de frente y la cabeza hacia la izqda

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Resumen: Descripción: retrato de 3/4 en el interior de un óvalo. Viste indumentaria de arzobispo. En el ángulo izqdo., la mitra y báculo

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Resumen: Descripción: retrato del Patriarca Ribera barbado, sedente, de tres cuartos de figura y ligeramente de perfil hacia la derecha. Viste muceta y capisayo. En mano derecha "Plano del Seminario de Corpus Christi"

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Inscripción: "R. P. D. THOMAS VICENTIUS TOSCA CONG. ORAT. VAL. PRESB. Obiit 17 Apr. 1723. eta. sue. 71. Haec TOSCAE est facies, animum qui cernere vellet. Hos relegat libros, ingeniumque probet"

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Inscripción encabezando la estampa: "LVDOVICVS VIVES VALENTs"

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Resumen: Descripción: 3/4 de figura hacia la derecha. La mano derecha señalando

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Inscripción en el friso: "D. JAYME I.º DE ARAGON"

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Resumen: Descripción: busto

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Inscripción: "Propiedad de la Calcografía Nacional"

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Resumen: Descripción: retrato ecuestre de Felipe IV

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Model based compensation schemes are a powerful approach for noise robust speech recognition. Recently there have been a number of investigations into adaptive training, and estimating the noise models used for model adaptation. This paper examines the use of EM-based schemes for both canonical models and noise estimation, including discriminative adaptive training. One issue that arises when estimating the noise model is a mismatch between the noise estimation approximation and final model compensation scheme. This paper proposes FA-style compensation where this mismatch is eliminated, though at the expense of a sensitivity to the initial noise estimates. EM-based discriminative adaptive training is evaluated on in-car and Aurora4 tasks. FA-style compensation is then evaluated in an incremental mode on the in-car task. © 2011 IEEE.

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Vector Taylor Series (VTS) model based compensation is a powerful approach for noise robust speech recognition. An important extension to this approach is VTS adaptive training (VAT), which allows canonical models to be estimated on diverse noise-degraded training data. These canonical model can be estimated using EM-based approaches, allowing simple extensions to discriminative VAT (DVAT). However to ensure a diagonal corrupted speech covariance matrix the Jacobian (loading matrix) relating the noise and clean speech is diagonalised. In this work an approach for yielding optimal diagonal loading matrices based on minimising the expected KL-divergence between the diagonal loading matrix and "correct" distributions is proposed. The performance of DVAT using the standard and optimal diagonalisation was evaluated on both in-car collected data and the Aurora4 task. © 2012 IEEE.