Abstract
In this study, internal carotid arterial Doppler signals recorded from 130 subjects, where 45 of them suffered from internal carotid artery stenosis, 44 of them suffered from internal carotid artery occlusion and the rest of them were healthy subjects, were classified using wavelet-based neural network. Wavelet-based neural network model, employing the multilayer perceptron, was used for analysis of the internal carotid arterial Doppler signals. Multilayer perceptron neural network (MLPNN) trained with the Levenberg–Marquardt algorithm was used to detect stenosis and occlusion in internal carotid arteries. In order to determine the MLPNN inputs, spectral analysis of the internal carotid arterial Doppler signals was performed using wavelet transform (WT). The MLPNN was trained, cross validated, and tested with training, cross validation, and testing sets, respectively. All these data sets were obtained from internal carotid arteries of healthy subjects, subjects suffering from internal carotid artery stenosis and occlusion. The correct classification rate was 96% for healthy subjects, 96.15% for subjects having internal carotid artery stenosis and 96.30% for subjects having internal carotid artery occlusion. The classification results showed that the MLPNN trained with the Levenberg–Marquardt algorithm was effective to detect internal carotid artery stenosis and occlusion.
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Übeyli, E.D., Güler, İ. Wavelet-Based Neural Network Analysis of Internal Carotid Arterial Doppler Signals. J Med Syst 30, 221–229 (2006). https://doi.org/10.1007/s10916-005-7992-1
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DOI: https://doi.org/10.1007/s10916-005-7992-1