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Automatic Classification of Hand Drawn Geometric Shapes using Constructional Sequence Analysis
Edinburgh, Scotland August 03-August 06
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICDAR.2003.1227808Seventh International Conference on D ...
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R.M. Guest, University of Kent
S. Chindaro, University of Kent
M.C. Fairhurst, University of Kent
J.M. Potter, Kent and Canterbury Hospital
A method for automatically assessing the constructional sequence from a neuropsychological drawing task using Hidden Markov Models is presented. We also present a method of extracting and identifying the position of individual pen strokes relating to individual sides of a shape within a drawing to form training and testing sequences. Our results from two experiments using data from patients with visuo-spatial neglect show the HMM classifier is able to generalise on incorrectly extracted sequences and obtain a diagnostic classification which can be used alongside other forms of conventional assessment.
Citation:
R.M. Guest, S. Chindaro, M.C. Fairhurst, J.M. Potter, "Automatic Classification of Hand Drawn Geometric Shapes using Constructional Sequence Analysis," icdar, vol. 2, pp.990, Seventh International Conference on Document Analysis and Recognition (ICDAR'03) - Volume 2, 2003
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