Location of structural sections from within a highly distorted complex line drawing |
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Authors: | Canham R.O. Smith S.L. Tyrrell A.M. |
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Affiliation: | Dept. of Electron., Univ. of York, UK; |
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Abstract: | Complex and highly distorted line drawings are produced by subjects attempting the Rey Complex Figure test, a clinical test of neuropsychological assessment. However, the marking scheme conventionally employed can be subjective and unreliable. In this paper, the first stages in automating this scoring system are investigated using a robust technique to locate a reduced set of scoring sections and a knowledge-based system that employs spatial metrics and fuzzy approximation techniques. Testing the technique using clinical data produced encouraging results that support the argument that this is a feasible approach for implementing a fully automated system, and that in its current state, can be immediately applied in a semi-automated system. |
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