


Volume 20 No 10 (2022)
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Devanagari Handwritten Numerals Classification Using SVM-PCA Cascading
Priyanka Yadav , Mukesh Kumar Gupta, Manish Sharma
Abstract
From decades’ digitization of the offline-online handwritten text has become a very research
topic to the researchers. Where classification of the handwritten digits and other characters is a
principal initiative step toward the classification of entire handwritten text. Handwritten script
recognition comes under the computer vision and pattern recognition and it is the competence
of the machine to accept handwritten text image samples and decipher them into a digital
script. The presented work recognizes the handwritten Devanagari numbers with the
amalgamation of Support Vector Machine (SVM), Principal Component Analysis and kernel-level
cross-validation operation. The utmost linear amalgamations are extracted through the PCA
algorithm to maximize the variance of the novel features. The generalization of the error ratio of
the classifier is done by the SVM. The cross-validation is performed to establish the final
evaluation and the confusion matrix is calculated to find the performance accuracy. The
experimental setup of the proposed work is uses 72000 handwritten digits for the training and
testing and the state-of-the-art accuracy of the test samples is 99.989% which is varying to
99.999% in some cases which is encouraging and much better than the similar state of the art
methods
Keywords
Devanagari digits, SVM, PCA, Cross Validation, Confusion Matrix
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