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Alzheimer's disease (AD) is a neurodegenerative disorder that is beginning with amyloidosis, followed by neuronal loss and deterioration in structure, function, and cognition. The accumulation of amyloid-beta in the brain, measured through…

Alzheimer's Disease (AD) is a progressive neurodegenerative disease. Amnestic mild cognitive impairment (MCI) is a common first symptom before the conversion to clinical impairment where the individual becomes unable to perform activities…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Donghuan Lu , Karteek Popuri , Weiguang Ding , Rakesh Balachandar , Mirza Faisal Beg

Positron emission tomography (PET) is a widely recognized technique for diagnosing neurodegenerative diseases, offering critical functional insights. However, its high costs and radiation exposure hinder its widespread use. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Yitong Li , Igor Yakushev , Dennis M. Hedderich , Christian Wachinger

INTRODUCTION: Quantification of amyloid plaques (A), neurofibrillary tangles (T2), and neurodegeneration (N) using PET and MRI is critical for Alzheimer's disease (AD) diagnosis and prognosis. Existing pipelines face limitations regarding…

Image and Video Processing · Electrical Eng. & Systems 2025-07-16 Pierrick Coupé , Boris Mansencal , Floréal Morandat , Sergio Morell-Ortega , Nicolas Villain , Jose V. Manjón , Vincent Planche

Recent Alzheimer's disease (AD) patient studies have focused on retinal analysis, as the retina is the only part of the central nervous system which can be imaged non-invasively by optical methods. However as this is a relatively new…

We present a method to discover interesting brain regions in [18F] fluorodeoxyglucose positron emission tomography (PET) scans, showing also the benefits when PET scans are in combined use with non-imaging variables. The discriminative…

Neurons and Cognition · Quantitative Biology 2019-08-14 Rui Li , Robert Perneczky , Alexander Drzezga , Stefan Kramer

Alongside neuroimaging such as MRI scans and PET, Alzheimer's disease (AD) datasets contain valuable tabular data including AD biomarkers and clinical assessments. Existing computer vision approaches struggle to utilize this additional…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Weichen Huang

Imaging-based early diagnosis of Alzheimer Disease (AD) has become an effective approach, especially by using nuclear medicine imaging techniques such as Positron Emission Topography (PET). In various literature it has been found that PET…

Machine Learning · Computer Science 2021-03-24 Jiaming Guo , Wei Qiu , Xiang Li , Xuandong Zhao , Ning Guo , Quanzheng Li

The formation of amyloid plaques in the cortical and hippocampal brain regions caused by abnormal deposition of extracellular amyloid \b{eta}-protein (A\b{eta}) is a characteristic pathological hallmark of early Alzheimer's disease (AD),…

Medical Physics · Physics 2022-07-28 Zhenhui Zhang , Yujiao Shi , Qi Shen , Zhixiong Wang , Da Xing , Sihua Yang

Brain positron emission tomography (PET) imaging is broadly used in research and clinical routines to study, diagnose, and stage Alzheimer's disease (AD). However, its potential cannot be fully exploited yet due to the lack of portable…

Image and Video Processing · Electrical Eng. & Systems 2025-01-16 Eléonore V. Lieffrig , Takuya Toyonaga , Jiazhen Zhang , John A. Onofrey

Background/Aim. This study aims to predict Amyloid Positron Emission Tomography (AmyloidPET) status with multimodal retinal imaging and convolutional neural networks (CNNs) and to improve the performance through pretraining with synthetic…

Image and Video Processing · Electrical Eng. & Systems 2024-06-27 I. R. Slootweg , M. Thach , K. R. Curro-Tafili , F. D. Verbraak , F. H. Bouwman , Y. A. L. Pijnenburg , J. F. Boer , J. H. P. de Kwisthout , L. Bagheriye , P. J. González

Tau positron emission tomography (tau-PET) is an important in vivo biomarker of Alzheimer's disease, but its cost, limited availability, and acquisition burden restrict broad clinical use. This work proposes an interpretable multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Agamdeep S. Chopra , Caitlin Neher , Tianyi Ren , Juampablo E. Heras Rivera , Hesam Jahanian , Mehmet Kurt

Cross-modality translation between MRI and PET imaging is challenging due to the distinct mechanisms underlying these modalities. Blood-based biomarkers (BBBMs) are revolutionizing Alzheimer's disease (AD) detection by identifying patients…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Yanxi Chen , Yi Su , Celine Dumitrascu , Kewei Chen , David Weidman , Richard J Caselli , Nicholas Ashton , Eric M Reiman , Yalin Wang

The emergence of tau PET imaging over the last decade has enabled Alzheimer's disease (AD) researchers to examine tau pathology in vivo and more effectively characterize the disease trajectories of AD. Current tau PET analysis methods,…

Image and Video Processing · Electrical Eng. & Systems 2025-12-16 Lujia Zhong , Shuo Huang , Jiaxin Yue , Jianwei Zhang , Zhiwei Deng , Wenhao Chi , Yonggang Shi

Alzheimer's disease is a progressive neurodegenerative disorder that primarily affects cognitive functions such as memory, thinking, and behavior. In this disease, there is a critical phase, mild cognitive impairment, that is really…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Arezoo Borji , Taha-Hossein Hejazi , Abbas Seifi

Structural MRI and PET imaging play an important role in the diagnosis of Alzheimer's disease (AD), showing the morphological changes and glucose metabolism changes in the brain respectively. The manifestations in the brain image of some…

Image and Video Processing · Electrical Eng. & Systems 2023-08-11 Yanteng Zhang , Qizhi Teng , Xiaohai He , Tong Niu , Lipei Zhang , Yan Liu , Chao Ren

Alzheimer's Disease (AD) is the most common form of dementia and often difficult to diagnose due to the multifactorial etiology of dementia. Recent works on neuroimaging-based computer-aided diagnosis with deep neural networks (DNNs) showed…

Image and Video Processing · Electrical Eng. & Systems 2022-07-06 Marla Narazani , Ignacio Sarasua , Sebastian Pölsterl , Aldana Lizarraga , Igor Yakushev , Christian Wachinger

While Positron emission tomography (PET) imaging has been widely used in diagnosis of number of diseases, it has costly acquisition process which involves radiation exposure to patients. However, magnetic resonance imaging (MRI) is a safer…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Hajar Emami , Qiong Liu , Ming Dong

X-ray scattering measurements of in situ human brain tissue encode structural signatures of pathological cross-$\beta$ inclusions, yet systematic exploitation of these data for automated detection remains challenging due to substrate…

Image and Video Processing · Electrical Eng. & Systems 2025-11-18 Abdullah Al Bashit , Prakash Nepal , Lee Makowski

Alzheimer's disease (AD) is a major neurodegenerative condition that affects millions around the world. As one of the main biomarkers in the AD diagnosis procedure, brain amyloid positivity is typically identified by positron emission…

Image and Video Processing · Electrical Eng. & Systems 2026-03-10 Yanxi Chen , Mohammad Farazi , Zhangsihao Yang , Yonghui Fan , Nicholas Ashton , Eric M Reiman , Yi Su , Yalin Wang