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Combination of Multiple Classifiers for Off-Line Handwritten Arabic Word Recognition

Journal: The International Arab Journal of Information Technology (Vol.14, No. 5)

Publication Date:

Authors : ; ;

Page : 713-720

Keywords : Handwritten Arabic word recognition; Classifier combination; Support vector machine; Fuzzy K-nearest neighbor; Discrete cosine transform; Histogram of oriented gradients;

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This study investigates the combination of different classifiers to improve Arabic handwritten word recognition. Features based on Discrete Cosine Transform (DCT) and Histogram of Oriented Gradients (HOG) are computed to represent the handwritten words. The dimensionality of the HOG features is reduced by applying Principal Component Analysis (PCA). Each set of features is separately fed to two different classifiers, support vector machine (SVM) and fuzzy k-nearest neighbor (FKNN) giving a total of four independent classifiers. A set of different fusion rules is applied to combine the output of the classifiers. The proposed scheme evaluated on the IFN/ENIT database of Arabic handwritten words reveal that combining the classifiers results in improved recognition rates which, in some cases, outperform the state-of-the-art recognition systems.

Last modified: 2019-05-09 17:02:17