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Artificial neural networks in radiological predictive models

Dikaios, N; Fujiwara, T; Atkinson, D; Punwani, S; (2012) Artificial neural networks in radiological predictive models. In: (Proceedings) ISMRM 2012. (pp. 2560 - ?).

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Predictive models are being increasingly employed in radiology as diagnostic aids for cancer detection. A variety of model types exist. Linear discriminant analysis (LDA) models assume linearity, normality and that the input variables are independent, assumptions which may affect classification accuracy. Neural networks (NN) whilst less intuitive, do not make these assumptions and can detect complex non-linear relationships between the input variables. Both LDA and NN are prone to over-fitting. In this work we compared the performance of multilayer perceptron (MLP) artificial NN and LDA models for prediction of transition zone (TZ) prostate cancer (based on quantitative multi-parametric MRI variables) using a leave-one-out (LOO) and a 2-fold cross validation analysis.

Type: Proceedings paper
Title: Artificial neural networks in radiological predictive models
Event: ISMRM 2012
Location: Melbourne, Australia
Dates: 2012-05-07 - 2012-05-12
UCL classification: UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Medicine (Division of)
URI: http://discovery.ucl.ac.uk/id/eprint/1345030
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