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We present a method to segment MRI scans of the human brain into ischemic stroke lesion and normal tissues. We propose a neural network architecture in the form of a standard encoder-decoder where predictions are guided by a spatial…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Alex Wong , Allison Chen , Yangchao Wu , Safa Cicek , Alexandre Tiard , Byung-Woo Hong , Stefano Soatto

Surgical resection is a common procedure in the treatment of pediatric posterior fossa tumors. However, surgical damage is often unavoidable and its association with postoperative complications is not well understood. A reliable…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Silu Zhang , Stuart McAfee , Zoltan Patay , Matthew Scoggins

Through participatory design, we are developing a computational system for the semi-automated assessment of the Action Research Arm Test (ARAT) for stroke rehabilitation. During rehabilitation assessment, clinicians rate movement segments…

Human-Computer Interaction · Computer Science 2025-01-03 Tamim Ahmed , Zhaoyi Guo , Mohammod Shaikh Sadid Khan , Thanassis Rikakis , Aisling Kelliher

Deep neural networks have demonstrated exceptional efficacy in stroke lesion segmentation. However, the delineation of small lesions, critical for stroke diagnosis, remains a challenge. In this study, we propose two straightforward yet…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Liang Shang , Zhengyang Lou , Andrew L. Alexander , Vivek Prabhakaran , William A. Sethares , Veena A. Nair , Nagesh Adluru

Despite the remarkable performance of supervised medical image segmentation models, relying on a large amount of labeled data is impractical in real-world situations. Semi-supervised learning approaches aim to alleviate this challenge using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Yunyao Lu , Yihang Wu , Ahmad Chaddad , Tareef Daqqaq , Reem Kateb

Traumatic brain injury is a global public health problem associated with chronic neurological complications and long-term disability. Biomarkers that map onto the underlying brain pathology driving these complications are urgently needed to…

Thoracic trauma often results in rib fractures, which demand swift and accurate diagnosis for effective treatment. However, detecting these fractures on rib CT scans poses considerable challenges, involving the analysis of many image slices…

Image and Video Processing · Electrical Eng. & Systems 2024-11-15 Harini G. , Aiman Farooq , Deepak Mishra

The segmentation of lesions in Moderate to Severe Traumatic Brain Injury (msTBI) presents a significant challenge in neuroimaging due to the diverse characteristics of these lesions, which vary in size, shape, and distribution across brain…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Constantin Ulrich , Tassilo Wald , Fabian Isensee , Klaus H. Maier-Hein

Multi-slice magnetic resonance images of the fetal brain are usually contaminated by severe and arbitrary fetal and maternal motion. Hence, stable and robust motion correction is necessary to reconstruct high-resolution 3D fetal brain…

Image and Video Processing · Electrical Eng. & Systems 2022-09-23 Wen Shi , Haoan Xu , Cong Sun , Jiwei Sun , Yamin Li , Xinyi Xu , Tianshu Zheng , Yi Zhang , Guangbin Wang , Dan Wu

We present a method to estimate a multivariate Gaussian distribution of diffusion tensor features in a set of brain regions based on a small sample of healthy individuals, and use this distribution to identify imaging abnormalities in…

Applications · Statistics 2017-04-24 Matineh Shaker , Deniz Erdogmus , Jennifer Dy , Sylvain Bouix

The generalizability of machine learning (ML) models for wearable monitoring in stroke rehabilitation is often constrained by the limited scale and heterogeneity of available data. Data augmentation addresses this challenge by adding…

Machine Learning · Computer Science 2024-11-01 Aaron J. Hadley , Christopher L. Pulliam

Image-to-Image translation models can help mitigate various challenges inherent to medical image acquisition. Latent diffusion models (LDMs) leverage efficient learning in compressed latent space and constitute the core of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Junhyeok Lee , Hyunwoong Kim , Hyungjin Chung , Heeseong Eom , Joon Jang , Chul-Ho Sohn , Kyu Sung Choi

Well-annotated medical images are costly and sometimes even impossible to acquire, hindering landmark detection accuracy to some extent. Semi-supervised learning alleviates the reliance on large-scale annotated data by exploiting the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Runnan Chen , Yuexin Ma , Lingjie Liu , Nenglun Chen , Zhiming Cui , Guodong Wei , Wenping Wang

We propose a hierarchically structured variational inference model for accurately disentangling observable evidence of disease (e.g. brain lesions or atrophy) from subject-specific anatomy in brain MRIs. With flexible, partially…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Anjun Hu , Jean-Pierre R. Falet , Brennan S. Nichyporuk , Changjian Shui , Douglas L. Arnold , Sotirios A. Tsaftaris , Tal Arbel

In recent studies on MRI reconstruction, advances have shown significant promise for further accelerating the MRI acquisition. Most state-of-the-art methods require a large amount of fully-sampled data to optimise reconstruction models,…

Image and Video Processing · Electrical Eng. & Systems 2023-12-04 Junwei Yang , Pietro Liò

Runtime quantification of vehicle operational intensity is essential for predictive maintenance and condition monitoring in commercial and heavy-duty fleets. Traditional metrics like mileage fail to capture mechanical burden, while…

Machine Learning · Computer Science 2026-02-12 Enzo Nicolas Spotorno , Antonio Augusto Medeiros Frohlich

Anomaly detection (AD), separating anomalies from normal data, has many applications across domains, from security to healthcare. While most previous works were shown to be effective for cases with fully or partially labeled data, that…

Machine Learning · Computer Science 2022-08-08 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Chen-Yu Lee , Tomas Pfister

Exploiting available medical records to train high performance computer-aided diagnosis (CAD) models via the semi-supervised learning (SSL) setting is emerging to tackle the prohibitively high labor costs involved in large-scale medical…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Yirui Wang , Kang Zheng , Chi-Tung Chang , Xiao-Yun Zhou , Zhilin Zheng , Lingyun Huang , Jing Xiao , Le Lu , Chien-Hung Liao , Shun Miao

Deep learning (DL) models for segmenting various anatomical structures have achieved great success via a static DL model that is trained in a single source domain. Yet, the static DL model is likely to perform poorly in a continually…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Xiaofeng Liu , Helen A. Shih , Fangxu Xing , Emiliano Santarnecchi , Georges El Fakhri , Jonghye Woo

Functional Magnetic Resonance Images acquired during resting-state provide information about the functional organization of the brain through measuring correlations between brain areas. Independent components analysis is the reference…

Neurons and Cognition · Quantitative Biology 2014-12-15 Alexandre Abraham , Elvis Dohmatob , Bertrand Thirion , Dimitris Samaras , Gael Varoquaux