模糊逻辑在阿尔茨海默病诊断中的应用

Igor Krashenyi, A. Popov, J. Ramírez, J. Górriz
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引用次数: 13

摘要

采用减法聚类算法开发了模糊推理系统(FIS),并将其应用于轻度认知障碍(MCI)或阿尔茨海默病(AD)患者的MRI图像与正常对照(NC)之间的分类。用作FIS输入的特征是来自大多数描述性大脑区域的强度的平均值和标准差。采用k-fold交叉验证对FIS进行性能评价,得出不同组间FIS分类的准确性、敏感性、特异性和阳性预测值(ppv)特征。ppv = 0.8778±0.0088 (AD vs. NC), 0.7289±0.0243 (NC vs. MCI), 0.8531±0.0069 (MCI vs. AD)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of fuzzy logic for Alzheimer's disease diagnosis
Fuzzy Inference System (FIS) is developed using subtractive clustering algorithm, and applied to classification between MRI images of patients having Mild Cognitive Impairment (MCI) or Alzheimer's Disease (AD) and Normal Controls (NC). Features used as FIS inputs are mean values and standard deviations in intensities from most descriptive brain regions. k-fold cross-validation was used to estimate FIS performance, resulting in accuracy, sensitivity, specificity and positive predictive value (ppv) characteristics of FIS classification between different groups. ppv was equal to 0.8778±0.0088 (AD vs. NC), 0.7289±0.0243 (NC vs. MCI), and 0.8531±0.0069 (MCI vs. AD).
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