Cited by 49Dementia and Cognitive Impairment ResearchMedical Imaging Techniques and ApplicationsAlzheimer's disease research and treatments

Combining convolutional and recurrent neural networks for Alzheimer's disease diagnosis using PET images

Cheng, Danni, Liu, Manhua·2017·2017 IEEE International Conference on Imaging Systems and Techniques (IST)

Abstract

Alzheimer's disease (AD) is a progressive and irreversible brain degenerative disorder which often happens in people aged more than 65 years old. Accurate and early diagnosis of AD is vital for the patient care and development of future treatment. Positrons Emission Tomography (PET) is a functional molecular imaging modality, which proves to be a powerful tool to help understand the brain changes related to AD. Most existing methods extract the handcraft features from images, and then train a classifier to distinguish AD from other groups. The success of these computer-aided diagnosis methods highly depends on the image preprocessing, including rigid registration and segmentation. Motivated by the success of deep learning in image classification, this paper proposes a new classification framework based on combination of 2D convolutional neural networks (CNN) and recurrent neural networks (RNN), which learns the features of 3D PET images by decomposing the 3D image into a sequence of 2D slices. In this framework, the hierarchical 2D CNNs are built to capture the intra-slice features while the gated recurrent unit (GRU) of RNN is used to extract the inter-slice features for final classification. No rigid image registration and segmentation are required for PET images. Our method is evaluated on the baseline PET images from 339 subjects including 93 AD patients, 146 mild cognitive impairments (MCI) and 100 normal controls (NC) from Alzheimer's Disease Neuroimaging Initiative (ADNI) database. Experimental results show that the proposed method achieves an AUC of 95.28% for classification of AD vs. NC and 83.90% for classification of MCI vs. NC, respectively, demonstrating the promising classification performance.

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Crossref · 10.1109/ist.2017.8261461

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Authors
Cheng, D., & Liu, M.
Affiliations
Shanghai Jiao Tong University (CN)
Venue
2017 IEEE International Conference on Imaging Systems and Techniques (IST)
Publisher
IEEE
Published
2017-10
Pages
1-5
OpenAlex
W2783054603
Cited by
49
References
21
Citations by year
2026: 1 · 2025: 5 · 2024: 3 · 2023: 12 · 2022: 8 · 2021: 10 · 2020: 4 · 2019: 5 · 2018: 1
FWCI
7.89
Type
conference paper
Language
en
Open access
closed
Locations
IEEE International Conference on Imaging Systems and Techniques (IST) (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Medical Imaging Techniques and Applications
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
Alzheimer's disease diagnosis, PET images, convolutional neural networks, recurrent neural networks, gated recurrent unit, mild cognitive impairment, computer-aided diagnosis, ADNI database

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