An empirical intrinsic mode based characterization of Indian scripts

Authors:
Kavita Bhardwaj;Santanu Chaudhury;Sumantra Dutta Roy
Affiliations:
Indian Institute of Technology, New Delhi, India;Indian Institute of Technology, New Delhi, India;Indian Institute of Technology, New Delhi, India
Venue:
Proceeding of the workshop on Document Analysis and Recognition
Year:
2012

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Abstract

In this paper, we describe a novel technique for Document script identification(DSI) from printed documents, using Empirical Mode Decomposition (EMD). The intrinsic decomposition nature can adaptively decompose script images into a series of modes representing different local features of script images. In this method, Radon transformed script images are decomposed into finite set of IMFs (Intrinsic Mode Functions). The energy concentration in a particular orientation characterises a script texture as it indicates the dominance of individual script in that direction. We demonstrate how the proposed method use these IMFs as feature vectors to distinguish various scripts.