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DOI: 10.14569/IJACSA.2017.080538
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The Performance of Individual and Ensemble Classifiers for an Arabic Sign Language Recognition System

Author 1: Miada A. Almasre
Author 2: Hana Al-Nuaim

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 8 Issue 5, 2017.

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Abstract: The objective of this paper is to compare different classifiers’ recognition accuracy for the 28 Arabic alphabet letters gestured by participants as Sign Language and captured by two depth sensors. The accuracy results of three individual classifiers: (1) the support vector machine (SVM), (2) random forest (RF), and (3) nearest neighbour (kNN), using the original gestured dataset were compared with the accuracy results using an ensemble of the results of each classifier, as recommended by the literature. SVM produced higher overall accuracy when running as an individual classifier regardless of the number of observations for each letter. However, for letters with fewer than 65 observations each, which created a far smaller dataset, RF had higher accuracy than SVM did when using the ensemble approach. Although RF produced higher accuracy results for classes with limited class observation data, the difference between the accuracy results of RF in phase 2 and SVM in phase 1 was negligible. The researchers conclude that such a difference does not warrant using the ensemble approach for this experiment, which adds more processing complexity without a significant increase in accuracy.

Keywords: Ensemble; Stacking; Support vector machine; SVM; Random forest; RF; Nearest neighbour; kNN; ArSL recognition system; Depth sensors

Miada A. Almasre and Hana Al-Nuaim, “The Performance of Individual and Ensemble Classifiers for an Arabic Sign Language Recognition System” International Journal of Advanced Computer Science and Applications(IJACSA), 8(5), 2017. http://dx.doi.org/10.14569/IJACSA.2017.080538

@article{Almasre2017,
title = {The Performance of Individual and Ensemble Classifiers for an Arabic Sign Language Recognition System},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2017.080538},
url = {http://dx.doi.org/10.14569/IJACSA.2017.080538},
year = {2017},
publisher = {The Science and Information Organization},
volume = {8},
number = {5},
author = {Miada A. Almasre and Hana Al-Nuaim}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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