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- W2048908896 abstract "Feature selection and extraction plays an important role in different classification based problems such as face recognition, signature verification, optical character recognition (OCR) etc. The performance of OCR highly depends on the proper selection and extraction of feature set. In this paper, we present novel features based on the topography of a character as visible from different viewing directions on a 2D plane. By topography of a character we mean the structural features of the strokes and their spatial relations. In this work we develop topographic features of strokes visible with respect to views from different directions (e.g. North, South, East, and West). We consider three types of topographic features: closed region, convexity of strokes, and straight line strokes. These features are represented as a shape-based graph which acts as an invariant feature set for discriminating very similar type characters efficiently. We have tested the proposed method on printed and handwritten Bengali and Hindi character images. Initial results demonstrate the efficacy of our approach." @default.
- W2048908896 created "2016-06-24" @default.
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- W2048908896 date "2011-06-30" @default.
- W2048908896 modified "2023-10-01" @default.
- W2048908896 title "Topographic Feature Extraction for Bengali and Hindi Character Images" @default.
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- W2048908896 doi "https://doi.org/10.5121/sipij.2011.2215" @default.
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