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Deep learning has become an important tool for Alzheimer's disease (AD) classification from structural MRI. Many existing studies analyze individual 2D slices extracted from MRI volumes, while clinical neuroimaging practice typically relies…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Md Sifat , Sania Akter , Akif Islam , Md. Ekramul Hamid , Abu Saleh Musa Miah , Najmul Hassan , Md Abdur Rahim , Jungpil Shin

Existing unsupervised domain adaptation methods based on adversarial learning have achieved good performance in several medical imaging tasks. However, these methods focus only on global distribution adaptation and ignore distribution…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Wei Feng , Lin Wang , Lie Ju , Xin Zhao , Xin Wang , Xiaoyu Shi , Zongyuan Ge

In this paper, we introduce a novel unsupervised domain adaptation technique for the task of 3D keypoint prediction from a single depth scan or image. Our key idea is to utilize the fact that predictions from different views of the same or…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Xingyi Zhou , Arjun Karpur , Chuang Gan , Linjie Luo , Qixing Huang

Semi-supervised anomaly detection~(SSAD) is a task where normal data and a limited number of anomalous data are available for training. In practical situations, SSAD methods suffer adapting to domain shifts, since anomalous data are…

Machine Learning · Computer Science 2023-04-06 Tomoya Nishida , Takashi Endo , Yohei Kawaguchi

Anomaly detection in MRI is of high clinical value in imaging and diagnosis. Unsupervised methods for anomaly detection provide interesting formulations based on reconstruction or latent embedding, offering a way to observe properties…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Ayantika Das , Arun Palla , Keerthi Ram , Mohanasankar Sivaprakasam

Early diagnosis, playing an important role in preventing progress and treating the Alzheimer's disease (AD), is based on classification of features extracted from brain images. The features have to accurately capture main AD-related…

Machine Learning · Computer Science 2016-07-05 Ehsan Hosseini-Asl , Georgy Gimel'farb , Ayman El-Baz

Medical image synthesis has attracted increasing attention because it could generate missing image data, improving diagnosis and benefits many downstream tasks. However, so far the developed synthesis model is not adaptive to unseen data…

Image and Video Processing · Electrical Eng. & Systems 2022-07-05 Qingqiao Hu , Hongwei Li , Jianguo Zhang

Unsupervised Domain Adaptation (UDA) is a key issue in visual recognition, as it allows to bridge different visual domains enabling robust performances in the real world. To date, all proposed approaches rely on human expertise to manually…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Luca Robbiano , Muhammad Rameez Ur Rahman , Fabio Galasso , Barbara Caputo , Fabio Maria Carlucci

Unsupervised anomaly detection in brain imaging is challenging. In this paper, we propose self-supervised masked mesh learning for unsupervised anomaly detection on 3D cortical surfaces. Our framework leverages the intrinsic geometry of the…

Image and Video Processing · Electrical Eng. & Systems 2025-04-01 Hao-Chun Yang , Sicheng Dai , Saige Rutherford , Christian Gaser , Andre F Marquand , Christian F Beckmann , Thomas Wolfers

Recent advances in deep learning-based medical image segmentation studies achieve nearly human-level performance when in fully supervised condition. However, acquiring pixel-level expert annotations is extremely expensive and laborious in…

Image and Video Processing · Electrical Eng. & Systems 2023-12-20 Hyungseob Shin , Hyeongyu Kim , Sewon Kim , Yohan Jun , Taejoon Eo , Dosik Hwang

Objective: This paper presents an Alzheimer's disease (AD) detection method based on learning structural similarity between Magnetic Resonance Images (MRIs) and representing this similarity as a graph. Methods: We construct the similarity…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Kuo Yang , Emad A. Mohammed , Behrouz H. Far

Early and accurate diagnosis of Alzheimer's disease (AD) and its prodromal period mild cognitive impairment (MCI) is essential for the delayed disease progression and the improved quality of patients'life. The emerging computer-aided…

Image and Video Processing · Electrical Eng. & Systems 2021-07-29 Fan Zhang , Bo Pan , Pengfei Shao , Peng Liu , Shuwei Shen , Peng Yao , Ronald X. Xu

Magnetic resonance images (MRIs) are widely used to quantify vestibular schwannoma and the cochlea. Recently, deep learning methods have shown state-of-the-art performance for segmenting these structures. However, training segmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-08-25 Hao Li , Dewei Hu , Qibang Zhu , Kathleen E. Larson , Huahong Zhang , Ipek Oguz

Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance…

Machine Learning · Computer Science 2025-02-18 Ahmad Chaddad , Yihang Wu , Yuchen Jiang , Ahmed Bouridane , Christian Desrosiers

Alzheimer's disease (AD) is an irreversible neurodegenerative disorder, and early diagnosis is critical for timely intervention. However, most existing classification frameworks face challenges in multicenter studies, as they often neglect…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Fubao Zhu , Zhanyuan Jia , Zhiguo Wang , Huan Huang , Danyang Sun , Chuang Han , Yanting Li , Jiaofen Nan , Chen Zhao , Weihua Zhou

Retinal vessel segmentation plays a key role in computer-aided screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Recently, deep learning-based retinal vessel segmentation algorithms have achieved…

Image and Video Processing · Electrical Eng. & Systems 2021-08-05 Wei Feng , Lie Ju , Lin Wang , Kaimin Song , Xin Wang , Xin Zhao , Qingyi Tao , Zongyuan Ge

Early diagnosis, playing an important role in preventing progress and treating the Alzheimer\{'}s disease (AD), is based on classification of features extracted from brain images. The features have to accurately capture main AD-related…

Machine Learning · Computer Science 2016-11-15 Ehsan Hosseini-Asl , Robert Keynto , Ayman El-Baz

Machine learning methods have shown large potential for the automatic early diagnosis of Alzheimer's Disease (AD). However, some machine learning methods based on imaging data have poor interpretability because it is usually unclear how…

Anomaly detection in medical imaging is a challenging task in contexts where abnormalities are not annotated. This problem can be addressed through unsupervised anomaly detection (UAD) methods, which identify features that do not match with…

Image and Video Processing · Electrical Eng. & Systems 2023-09-07 Geoffroy Oudoumanessah , Carole Lartizien , Michel Dojat , Florence Forbes

The accuracy of deep learning (e.g., convolutional neural networks) for an image classification task critically relies on the amount of labeled training data. Aiming to solve an image classification task on a new domain that lacks labeled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Xianghong Fang , Haoli Bai , Ziyi Guo , Bin Shen , Steven Hoi , Zenglin Xu