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Edge-adaptive spatial video de-interlacing algorithms based on fuzzy logic


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Opened Access Edge-adaptive spatial video de-interlacing algorithms based on fuzzy logic
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Author: Brox Jiménez, Piedad
Baturone Castillo, María Iluminada
Sánchez Solano, Santiago
Gutiérrez Ríos, Julio
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 2014
Published in: IEEE Transactions on Consumer Electronics, 60 (3), 375-383.
Document type: Article
Abstract: Since the human visual system is especially sensitive to image edges, edge-dependent spatial interpolators have been proposed in literature as a means of successfully restoring edges while avoiding the staircase effect of linear spatial algorithms. This paper addresses the application of video de-interlacing, which constitutes an indispensable stage in video format conversion. Classic edge-adaptive de-interlacing algorithms introduce annoying artifacts when the edge directions are evaluated incorrectly. This paper presents two ways of exploiting fuzzy reasoning to reinforce edges without an excessive increase in computational complexity. The performance of the proposed algorithms is analyzed by de-interlacing a wide set of test sequences. The study compares the two proposals both with each other and with other edge-adaptive de-interlacing methods reported in the recent literature
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