Abstract
Computer-based assessment systems analysing the drawing responses from a test subject have been widely explored within the area of neuropsychological dysfunction diagnosis and rehabilitation monitoring. This study reports on the development of a quantitative marking system for the automated assessment of visuo-spatial neglect. Using a clinically established pencil-and-paper based method as a marking benchmark, a set of features are extracted and selected from a battery of computer-captured drawing tasks. Through the application of linear regression and data transformation, the novel system is shown to be effective in correlating against a clinically recognised scale, while simultaneously improving the efficiency of the testing process.
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The authors gratefully acknowledge the support of the East Kent Hospitals NHS Trust Charitable Fund.
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Liang, Y., Guest, R.M., Fairhurst, M.C. et al. A computer-based quantitative assessment of visuo-spatial neglect using regression and data transformation. Pattern Anal Applic 13, 409–422 (2010). https://doi.org/10.1007/s10044-009-0172-z
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DOI: https://doi.org/10.1007/s10044-009-0172-z