Fuzzy-Membership Based Writer Identification from Handwritten Devnagari Script

Rajiv Kumar, Kiran Kumar Ravulakollu and Rajesh Bhat
Volume: 13, No: 4, Page: 893 ~ 913, Year: 2017
Keywords: CPAR-2012, Devnagari, Fuzzy Membership, Handwritten Script, Writer Identification
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The handwriting based person identification systems use their designer’s perceived structural properties of handwriting as features. In this paper, we present a system that uses those structural properties as features that graphologists and expert handwriting analyzers use for determining the writer’s personality traits and for making other assessments. The advantage of these features is that their definition is based on sound historical knowledge (i.e., the knowledge discovered by graphologists, psychiatrists, forensic experts, and experts of other domains in analyzing the relationships between handwritten stroke characteristics and the phenomena that imbeds individuality in stroke). Hence, each stroke characteristic reflects a personality trait. We have measured the effectiveness of these features on a subset of handwritten Devnagari and Latin script datasets from the Center for Pattern Analysis and Recognition (CPAR-2012), which were written by 100 people where each person wrote three samples of the Devnagari and Latin text that we have designed for our experiments. The experiment yielded 100% correct identification on the training set. However, we observed an 88% and 89% correct identification rate when we experimented with 200 training samples and 100 test samples on handwritten Devnagari and Latin text. By introducing the majority voting based rejection criteria, the identification accuracy increased to 97% on both script sets.

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Cite this article
IEEE Style
R. Kumar, K. K. Ravulakollu and R. Bhat, "Fuzzy-Membership Based Writer Identification from Handwritten Devnagari Script," Journal of Information Processing Systems, vol. 13, no. 4, pp. 893~913, 2017. DOI: 10.3745/JIPS.02.0018.

ACM Style
Rajiv Kumar, Kiran Kumar Ravulakollu, and Rajesh Bhat. 2017. Fuzzy-Membership Based Writer Identification from Handwritten Devnagari Script, Journal of Information Processing Systems, 13, 4, (2017), 893~913. DOI: 10.3745/JIPS.02.0018.