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Being the most commonly known neurodegeneration, Alzheimer's Disease (AD) is annually diagnosed in millions of patients. The present medical scenario still finds the exact diagnosis and classification of AD through neuroimaging data as a…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Shravan Venkatraman , Pandiyaraju V , Abeshek A , Pavan Kumar S , Aravintakshan S A

Graphs are widely used as a natural framework that captures interactions between individual elements represented as nodes in a graph. In medical applications, specifically, nodes can represent individuals within a potentially large…

In this study, we proposed and evaluated a graph-based framework to assess variations in Alzheimer's disease (AD) neuropathologies, focusing on classic (cAD) and rapid (rpAD) progression forms. Histopathological images are converted into…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Gabriel Jimenez , Leopold Hebert-Stevens , Benoit Delatour , Lev Stimmer , Daniel Racoceanu

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

Depression and Attention Deficit Hyperactivity Disorder (ADHD) stand out as the common mental health challenges today. In affective computing, speech signals serve as effective biomarkers for mental disorder assessment. Current research,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-05 Shuanglin Li , Siyang Song , Rajesh Nair , Syed Mohsen Naqvi

We introduce a novel framework that integrates Hodge decomposition with Filtered Average Short-Term (FAST) functional connectivity to analyze dynamic functional connectivity (DFC) in EEG signals. This method leverages graph-based topology…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Om Roy , Yashar Moshfeghi , Jason Smith , Agustin Ibanez , Mario A. Parra , Keith M. Smith

For effective treatment of Alzheimer disease (AD), it is important to identify subjects who are most likely to exhibit rapid cognitive decline. Herein, we developed a novel framework based on a deep convolutional neural network which can…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Hongyoon Choi , Kyong Hwan Jin

\textbf{Objective:} Alzheimer's disease (AD) is the most prevalent form of dementia worldwide, encompassing a prodromal stage known as Mild Cognitive Impairment (MCI), where patients may either progress to AD or remain stable. The objective…

Previous works in the literature apply 3D spatial-only models on 4D functional MRI data leading to possible sub-par feature extraction to be used for downstream tasks like classification. In this work, we aim to develop a novel 4D…

Image and Video Processing · Electrical Eng. & Systems 2025-06-04 Javier Salazar Cavazos , Scott Peltier

Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent neurodevelopmental disorder whose neuroimaging-based diagnosis remains challenging due to complex time-varying disruptions in brain connectivity. Functional MRI (fMRI) provides…

Machine Learning · Computer Science 2026-03-30 Qurat Ul Ain , Alptekin Temizel , Soyiba Jawed

A common neurodegenerative disease, Alzheimer's disease requires a precise diagnosis and efficient treatment, particularly in light of escalating healthcare expenses and the expanding use of artificial intelligence in medical diagnostics.…

Image and Video Processing · Electrical Eng. & Systems 2025-05-21 Soyabul Islam Lincoln , Mirza Mohd Shahriar Maswood

Alzheimer's disease (AD) is a progressive neurodegenerative condition necessitating early and precise diagnosis to provide prompt clinical management. Given the paramount importance of early diagnosis, recent studies have increasingly…

Machine Learning · Computer Science 2026-02-18 Fatemeh Khalvandi , Saadat Izadi , Abdolah Chalechale

Alzheimer's disease (AD) is a prevalent and debilitating neurodegenerative disorder impacting a large aging population. Detecting AD in all its presymptomatic and symptomatic stages is crucial for early intervention and treatment. An active…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yasmine Mustafa , Tie Luo

Alzheimer's Disease destroys brain cells causing people to lose their memory, mental functions and ability to continue daily activities. It is a severe neurological brain disorder which is not curable, but earlier detection of Alzheimer's…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Jyoti Islam , Yanqing Zhang

Alzheimer's disease (AD) causes alterations of brain network structure and function. The latter consists of connectivity changes between oscillatory processes at different frequency channels. We proposed a multi-layer network approach to…

Neurons and Cognition · Quantitative Biology 2017-10-17 Jeremy Guillon , Yohan Attal , Olivier Colliot , Valentina La Corte , Bruno Dubois , Denis Schwartz , Mario Chavez , Fabrizio De Vico Fallani

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

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

Early diagnosis of Alzheimer's disease (AD) remains a major challenge due to the subtle and temporally irregular progression of structural brain changes in the prodromal stages. Existing deep learning approaches require large longitudinal…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Maxx Richard Rahman , Mostafa Hammouda , Wolfgang Maass

Alzheimer's Disease (AD) causes a continuous decline in memory, thinking, and judgment. Traditional diagnoses are usually based on clinical experience, which is limited by some realistic factors. In this paper, we focus on exploiting deep…

Image and Video Processing · Electrical Eng. & Systems 2023-03-14 Fangyu Zuo , Peiguang Jing , Jinglin Sun , Jizhong , Duan , Yong Ji , Yu Liu

Alzheimer's disease (AD), characterized by progressive cognitive decline and memory loss, presents a formidable global health challenge, underscoring the critical importance of early and precise diagnosis for timely interventions and…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Arindam Majee , Avisek Gupta , Sourav Raha , Swagatam Das