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Article type: Research Article
Authors: Shengbin, Lianga; b | Haoran, Suna | Fuqi, Suna | Hongjian, Wuc; * | Wencai, Dub; *
Affiliations: [a] School of Software, Henan University, Kaifeng, China | [b] Institute for Data Engineering and Science, University of Saint Joseph, Macao, China | [c] Yuxin Electronic Technology Group Co., Ltd., Zhengzhou, China
Correspondence: [*] Corresponding authors: Wu Hongjian, Yuxin Electronic Technology Group Co., Ltd., Zhengzhou, China. E-mail: [email protected]; Du Wencai, Institute for Data Engineering and Science, University of Saint Joseph, Macao, China. E-mail: [email protected].
Abstract: Mild cognitive impairment (MCI) is a syndrome that occurs in the preclinical stage of Alzheimer’s disease (AD) and is also an early signal of the onset of AD. Early detection and accurate differentiation between MCI and AD populations, and providing them with effective intervention and treatment, are of great significance for preventing or delaying the onset of AD. In this paper, we propose a deep learning model, SE-DenseNet, that combines channel attention and dense connectivity networks and apply it to the field of magnetic resonance imaging (MRI) data recognition for the diagnosis of AD and MCI. First, to extract MRI features with high quality, a slicing algorithm based on two-dimensional image information entropy is proposed to obtain AD brain lesion features with stronger representation ability. Second, in terms of model structure, SENet is introduced as a channel attention module and redistribute the weight of image features in the channel dimension; use DenseNet as the main architecture to maximize information flow, and each layer is directly interconnected with subsequent layers. It enables the network to learn and extract relevant features from the input data and improve the classification ability of the network. Finally, our proposed model is validated on the Alzheimer’s Disease Neuroimaging Initiative (ADNI) dataset, the results have shown that the accuracy for the four classification tasks of AD-NC, AD-MCI, NC-MCI, and AD-NC-MCI can reach 98.12%, 97.42%, 97.42%, and 95.24%, respectively. At the same time, the sensitivity and specificity have also achieved satisfactory results, exhibited a high performance in comparison with the classic machine learning algorithm and several existing state-of-the-art deep learning methods, demonstrating the proposed method is a powerful tool for the early diagnosis and detection of AD.
Keywords: Alzheimer’s disease classification, computer aided diagnosis, medical image processing, megnetic resonance imaging, deep learning
DOI: 10.3233/JIFS-236542
Journal: Journal of Intelligent & Fuzzy Systems, vol. 46, no. 4, pp. 8289-8309, 2024
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