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Vol. 32, No. 8(2), S&M2292

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Sensors and Materials, Volume 33, Number 10(1) (2021)
Copyright(C) MYU K.K.
pp. 3399-3413
S&M2698 Research Paper of Special Issue
Published: October 7, 2021

Using Three-dimensional Convolutional Neural Networks for Alzheimer’s Disease Diagnosis [PDF]

Cheng-Jian Lin and Cheng-Wei Lin

(Received June 30, 2021; Accepted September 14, 2021)

Keywords: Alzheimer’s disease, magnetic resonance imaging, convolutional neural network, uniform experimental design, transfer learning

Alzheimer’s disease (AD) is an irreversible neurodegenerative disease. Pathology shows atrophy of brain tissue, senile plaques, neurofibrillary tangles, and so forth. Magnetic resonance imaging (MRI) is the most sensitive brain imaging method in a clinic, which provides detailed anatomical structure information of the brain and is commonly studied with pattern recognition methods for AD diagnosis. Most existing methods extract hand-crafted imaging features or brain region-of-interest images to train a classifier to recognize AD. In this study, a three-dimensional convolutional neural network (3D-CNN) is implemented to detect AD. The proposed network is trained with 3D magnetic resonance (MR) images to extract the spatial features. A uniform experimental design is used to optimize the network parameters and improve the 3D-CNN performance. To ensure satisfactory performance on a small amount of training data, a transfer learning technology is proposed to improve the recognition rate of the 3D-CNN. In addition, the uniform experimental design (UED) method is used to determine the optimal parameter combination of the network and improve the 3D-CNN performance. The validation data in this study are from the Open Access Series of Imaging Studies (OASIS), where the OASIS-1 data set is used as the original data set and the 3D-CNN is trained as the pre-training model. Experimental results show that when 10, 30, 60, and 90% of the OASIS-2 data set are used to train the pre-trained 3D-CNN, the average accuracy reaches 74.66, 86.99, 94.58, and 97.02%, respectively. In addition, compared with the original manual design parameters, the proposed 3D-CNN with the best parameter combination improves the recognition rate by 2.07 percentage points.

Corresponding author: Cheng-Jian Lin

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Cite this article
Cheng-Jian Lin and Cheng-Wei Lin, Using Three-dimensional Convolutional Neural Networks for Alzheimer’s Disease Diagnosis, Sens. Mater., Vol. 33, No. 10, 2021, p. 3399-3413.

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