Predicting Facial Biotypes Using Continuous Bayesian Network Classifiers

Gonzalo A. Ruz, Pamela Araya-Díaz

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Bayesian networks are useful machine learning techniques that are able to combine quantitative modeling, through probability theory, with qualitative modeling, through graph theory for visualization. We apply Bayesian network classifiers to the facial biotype classification problem, an important stage during orthodontic treatment planning. For this, we present adaptations of classical Bayesian networks classifiers to handle continuous attributes; also, we propose an incremental tree construction procedure for tree like Bayesian network classifiers. We evaluate the performance of the proposed adaptations and compare them with other continuous Bayesian network classifiers approaches as well as support vector machines. The results under the classification performance measures, accuracy and kappa, showed the effectiveness of the continuous Bayesian network classifiers, especially for the case when a reduced number of attributes were used. Additionally, the resulting networks allowed visualizing the probability relations amongst the attributes under this classification problem, a useful tool for decision-making for orthodontists.

Original languageEnglish
Article number4075656
JournalComplexity
Volume2018
DOIs
StatePublished - 2018
Externally publishedYes

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