A novel hybrid method based on fuzzy cognitive maps and fuzzy clustering algorithms for grading celiac disease

  • Abdollah Amirkhani
  • Mohammad R. Mosavi
  • Karim Mohammadi
  • Elpiniki I. Papageorgiou
Original Article
First Online:
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Accepted:

Abstract

This paper presents a new method based on fuzzy cognitive map (FCM) and possibilistic fuzzy c-means (PFCM) clustering algorithm for categorizing celiac disease (CD). CD is a complex disorder whose development is affected by genetics (HLA alleles) and gluten ingestion. The celiac patients who are not treated are at a high risk of cancer, malignant lymphoma, and small bowel neoplasia. Therefore, CD diagnosis and grading are of paramount importance. The proposed FCM models human thinking for the purpose of classifying patients suffering from CD. We used the latest grading method where three grades A, B1, and B2 are used. To improve FCM efficiency and classification capability, a nonlinear Hebbian learning algorithm is applied for adjusting the FCM weights. To this end, 89 cases are studied. Three experts extracted seven main determinant characteristics of CD which were considered as FCM concepts. The mutual effects of these concepts on one another and on the final concept were expressed in the form of fuzzy rules and linguistic variables. Using the center of gravity defuzzifier, we obtained the numerical values of these weights and obtained the total weight matrix. Ultimately, combining the FCM model with PFCM algorithm, we obtained the grades A, B1, and B2 accuracies as 88, 90, and 91%, respectively. The main advantage of the proposed FCM is the good transparency and interpretability in the decision-making procedure, which make it a suitable tool for daily usage in the clinical practice.

Keywords

Fuzzy cognitive map Celiac disease Fuzzy c-means Nonlinear Hebbian learning 
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Copyright information

© The Natural Computing Applications Forum 2016

Authors and Affiliations

  • Abdollah Amirkhani
    • 1
  • Mohammad R. Mosavi
    • 1
  • Karim Mohammadi
    • 1
  • Elpiniki I. Papageorgiou
    • 2
  1. 1.Department of Electrical EngineeringIran University of Science and TechnologyTehranIran
  2. 2.Computer Engineering DepartmentTechnological Educational Institute of Central GreeceLamiaGreece

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