Journal
2021 IEEE ASIA PACIFIC CONFERENCE ON WIRELESS AND MOBILE (APWIMOB)
Volume -, Issue -, Pages 59-65Publisher
IEEE
DOI: 10.1109/APWIMOB51111.2021.9435250
Keywords
heart disease; deep neural network; hyperparameter tuning; grid search; random search; Bayesian optimization
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This research utilizes a deep neural network for detecting heart disease and improves diagnostic accuracy through hyperparameter tuning. Random search spends less time than Bayesian optimization and grid search for tuning. Bayesian optimization yields higher accuracy compared to grid search and random search in terms of classification performance results.
Heart disease causes the most deaths in the world with around 17.89 million people dying each year. Detecting heart disease at an early stage is needed so that further action can be done on the patient. Many researchers have conducted studies about computer-assisted diagnosis system for heart disease. This research presents a heart disease detection method using a deep neural network with hyperparameter tuning. Hyperparameter tuning is done using grid search, random search, and Bayesian optimization. In terms of tuning time, random search spends less time than Bayesian optimization and grid search. In terms of classification performance results, Bayesian optimization produces higher accuracy than grid search and random search. The classification performance of DNN with Bayesian optimization on the testing resulted in an accuracy of 91.67% a sensitivity of 95.83% a specificity of 88.89%, a precision of 85.19% an Fl-score of 90.20%, and an AUC value of 0.9514. It indicates that DNN with Bayesian optimization is preferable to be used in detecting heart disease.
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