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Effect of ensemble classifier composition on offline cursive character recognition

journal contribution
posted on 06.12.2017, 00:00 authored by Ashfaqur RahmanAshfaqur Rahman, Brijesh Verma
In this paper we present novel ensemble classifier architectures and investigate their influence for offline cursive character recognition. Cursive characters are represented by feature sets that portray different aspects of character images for recognition purposes. The recognition accuracy can be improved by training ensemble of classifiers on the feature sets. Given the feature sets and the base classifiers, we have developed multiple ensemble classifier compositions under four architectures. The first three architectures are based on the use of multiple feature sets whereas the fourth architecture is based on the use of a unique feature set. Type–1 architecture is composed of homogeneous base classifiers and Type–2 architecture is constructed using heterogeneous base classifiers. Type–3 architecture is based on hierarchical fusion of decisions. In Type–4 architecture a unique feature set is learned by a set of homogeneous base classifiers with different learning parameters. The experimental results demonstrate that the recognition accuracy achieved using the proposed ensemble classifier (with best composition of base classifiers and feature sets) is better than the existing recognition accuracies for offline cursive character recognition.

Funding

Category 3 - Industry and Other Research Income

History

Volume

49

Issue

4

Start Page

852

End Page

864

Number of Pages

13

eISSN

1873-5371

ISSN

0306-4573

Location

United Kingdom

Publisher

Elsevier

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

CSIRO (Australia); Centre for Intelligent and Networked Systems (CINS); School of Engineering and Technology (2013- ); TBA Research Institute;

Era Eligible

Yes

Journal

Information processing and management.