Bezier Curve-Based Character Descriptor Considering Shape Information

Sohel, Ferdous Ahmed; Karmakar, Gour C. and Dooley, Laurence S. (2007). Bezier Curve-Based Character Descriptor Considering Shape Information. In: 6th IEEE International Conference on Computer and Information Science (ICIS’07), 11-13 Jul 2007, Melbourne.




While a Bezier curve (BC)-based character descriptor calculates the control points (CPs), it does not consider the shape characteristics for a prescribed distortion. This paper presents a novel Bezier Curve-based character descriptor considering shape information (BCDSI) which automatically divides a shape into segments based on the curvature and cornerity properties. Each segment is then defined by either a BC or straight line, depending on the distortion criteria in terms of a set of CPs. Quantitative and qualitative performances of the algorithm have been rigorously analysed upon both English and Bangla alphabetic characters, with the results confirming that the new BCDSI algorithm exhibits superior performance over other currently available shape descriptor algorithms employing the BC.

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