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J. Imaging 2018, 4(8), 97;

A Comparative Study of Two State-of-the-Art Feature Selection Algorithms for Texture-Based Pixel-Labeling Task of Ancient Documents

LATIS-Laboratory of Advanced Technology and Intelligent Systems, ENISo-National Engineering School of Sousse, Sousse University, 4023 Sousse, Tunisia
LITIS Laboratory, Normandie University, Avenue de l’Université, 76800 Saint-Etienne-du-Rouvray, France
L3i Laboratory, University of La Rochelle, Avenue Michel Crépeau, 17042 La Rochelle, France
Author to whom correspondence should be addressed.
Received: 28 June 2018 / Revised: 21 July 2018 / Accepted: 25 July 2018 / Published: 1 August 2018
(This article belongs to the Special Issue New Trends in Image Processing for Cultural Heritage)
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Recently, texture features have been widely used for historical document image analysis. However, few studies have focused exclusively on feature selection algorithms for historical document image analysis. Indeed, an important need has emerged to use a feature selection algorithm in data mining and machine learning tasks, since it helps to reduce the data dimensionality and to increase the algorithm performance such as a pixel classification algorithm. Therefore, in this paper we propose a comparative study of two conventional feature selection algorithms, genetic algorithm and ReliefF algorithm, using a classical pixel-labeling scheme based on analyzing and selecting texture features. The two assessed feature selection algorithms in this study have been applied on a training set of the HBR dataset in order to deduce the most selected texture features of each analyzed texture-based feature set. The evaluated feature sets in this study consist of numerous state-of-the-art texture features (Tamura, local binary patterns, gray-level run-length matrix, auto-correlation function, gray-level co-occurrence matrix, Gabor filters, Three-level Haar wavelet transform, three-level wavelet transform using 3-tap Daubechies filter and three-level wavelet transform using 4-tap Daubechies filter). In our experiments, a public corpus of historical document images provided in the context of the historical book recognition contest (HBR2013 dataset: PRImA, Salford, UK) has been used. Qualitative and numerical experiments are given in this study in order to provide a set of comprehensive guidelines on the strengths and the weaknesses of each assessed feature selection algorithm according to the used texture feature set. View Full-Text
Keywords: benchmarking; texture; feature selection; pixel-labeling; ancient document images benchmarking; texture; feature selection; pixel-labeling; ancient document images

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Mehri, M.; Chaieb, R.; Kalti, K.; Héroux, P.; Mullot, R.; Essoukri Ben Amara, N. A Comparative Study of Two State-of-the-Art Feature Selection Algorithms for Texture-Based Pixel-Labeling Task of Ancient Documents. J. Imaging 2018, 4, 97.

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