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Reseach Article

Combination of Different Feature Sets and SVM Classifier for Handwritten Gurumukhi Numeral Recognition

by Anita Rani, Rajneesh Rani, Renu Dhir
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 47 - Number 18
Year of Publication: 2012
Authors: Anita Rani, Rajneesh Rani, Renu Dhir
10.5120/7289-0443

Anita Rani, Rajneesh Rani, Renu Dhir . Combination of Different Feature Sets and SVM Classifier for Handwritten Gurumukhi Numeral Recognition. International Journal of Computer Applications. 47, 18 ( June 2012), 28-33. DOI=10.5120/7289-0443

@article{ 10.5120/7289-0443,
author = { Anita Rani, Rajneesh Rani, Renu Dhir },
title = { Combination of Different Feature Sets and SVM Classifier for Handwritten Gurumukhi Numeral Recognition },
journal = { International Journal of Computer Applications },
issue_date = { June 2012 },
volume = { 47 },
number = { 18 },
month = { June },
year = { 2012 },
issn = { 0975-8887 },
pages = { 28-33 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume47/number18/7289-0443/ },
doi = { 10.5120/7289-0443 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:42:12.364883+05:30
%A Anita Rani
%A Rajneesh Rani
%A Renu Dhir
%T Combination of Different Feature Sets and SVM Classifier for Handwritten Gurumukhi Numeral Recognition
%J International Journal of Computer Applications
%@ 0975-8887
%V 47
%N 18
%P 28-33
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

A lot of research has been done in recognizing handwritten characters in many languages like Chinese, Arabic, Devnagari, Urdu and English. This paper focuses on the problem of recognition of isolated handwritten numerals in Gurumukhi script. We have used different feature extraction techniques such as projection histograms, background directional distribution (BDD) and zone based diagonal features. Projection Histograms count the number of foreground pixels in different directions such as horizontal, vertical, left diagonal and right diagonal creating 190 features. In Background Directional Distribution (BDD) features background distribution of neighbouring background pixels to foreground pixels in 8-different directions is considered forming a total of 128 features. In the computation of diagonal features, image is divided into 64 equal zones each of size 4×4 pixels then features are extracted from the pixels of each zone by moving along its diagonal, thus consisting of total 64 features. Different combinations of these features are used for forming different feature vectors. These feature vectors are classified using SVM classifier as 5-fold cross validation with RBF (radial basis function) kernel. The highest accuracy achieved is 99. 4% of whole database using combination of background directional distribution and diagonal features with SVM classifier.

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Index Terms

Computer Science
Information Sciences

Keywords

Handwritten Gurumukhi Numeral Recognition Feature Extraction Projection Histograms Background Directional Distribution (bdd) Features Diagonal Features Svm Classifier Rbf Kernel