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Skull stripping magnetic resonance images (MRI) of the human brain is an important process in many image processing techniques, such as automatic segmentation of brain structures. Numerous methods have been developed to perform this task,…

Image and Video Processing · Electrical Eng. & Systems 2026-04-16 Hjalti Thrastarson , Lotta M. Ellingsen

Blind harmonization has emerged as a promising technique for MR image harmonization to achieve scale-invariant representations, requiring only target domain data (i.e., no source domain data necessary). However, existing methods face…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Hwihun Jeong , Hayeon Lee , Se Young Chun , Jongho Lee

Medical images like CT and MRI provide detailed information about the internal structure of the body, and identifying key anatomical structures from these images plays a crucial role in clinical workflows. Current methods treat it as a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Xiaoyu Bai , Yong Xia

The recent direction of unpaired image-to-image translation is on one hand very exciting as it alleviates the big burden in obtaining label-intensive pixel-to-pixel supervision, but it is on the other hand not fully satisfactory due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Rui Zhang , Tomas Pfister , Jia Li

Early detection is a crucial goal in the study of Alzheimer's Disease (AD). In this work, we describe several techniques to boost the performance of 3D deep convolutional neural networks (CNNs) trained to detect AD using structural brain…

Image and Video Processing · Electrical Eng. & Systems 2020-04-07 Sheng Liu , Chhavi Yadav , Carlos Fernandez-Granda , Narges Razavian

Deep unsupervised anomaly detection in brain magnetic resonance imaging offers a promising route to identify pathological deviations without requiring lesion-specific annotations. Yet, fragmented evaluations, heterogeneous datasets, and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Alexander Frotscher , Christian F. Baumgartner , Thomas Wolfers

Automated anomaly detection from medical images, such as MRIs and X-rays, can significantly reduce human effort in disease diagnosis. Owing to the complexity of modeling anomalies and the high cost of manual annotation by domain experts…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Md Mahfuzur Rahman Siddiquee , Jay Shah , Teresa Wu , Catherine Chong , Todd Schwedt , Baoxin Li

Three-dimensional medical image segmentation is one of the most important problems in medical image analysis and plays a key role in downstream diagnosis and treatment. Recent years, deep neural networks have made groundbreaking success in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Chunwei Ma , Zhanghexuan Ji , Mingchen Gao

An important goal of medical imaging is to be able to precisely detect patterns of disease specific to individual scans; however, this is challenged in brain imaging by the degree of heterogeneity of shape and appearance. Traditional…

Image normalization is a building block in medical image analysis. Conventional approaches are customarily utilized on a per-dataset basis. This strategy, however, prevents the current normalization algorithms from fully exploiting the…

Machine Learning · Computer Science 2020-10-06 Pierre-Luc Delisle , Benoit Anctil-Robitaille , Christian Desrosiers , Herve Lombaert

Brain-related diseases are more sensitive than other diseases due to several factors, including the complexity of surgical procedures, high costs, and other challenges. Alzheimer's disease is a common brain disorder that causes memory loss…

Image and Video Processing · Electrical Eng. & Systems 2024-03-11 Maleka Khatun , Md Manowarul Islam , Habibur Rahman Rifat , Md. Shamim Bin Shahid , Md. Alamin Talukder , Md Ashraf Uddin

Aggregating multi-site brain MRI data can enhance deep learning model training, but also introduces non-biological heterogeneity caused by site-specific variations (e.g., differences in scanner vendors, acquisition parameters, and imaging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Mengqi Wu , Yongheng Sun , Qianqian Wang , Pew-Thian Yap , Mingxia Liu

This is an empirical study to investigate the impact of scanner effects when using machine learning on multi-site neuroimaging data. We utilize structural T1-weighted brain MRI obtained from two different studies, Cam-CAN and UK Biobank.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-11 Ben Glocker , Robert Robinson , Daniel C. Castro , Qi Dou , Ender Konukoglu

Brain imaging plays a crucial role in the diagnosis and treatment of various neurological disorders, providing valuable insights into the structure and function of the brain. Techniques such as magnetic resonance imaging (MRI) and computed…

Image and Video Processing · Electrical Eng. & Systems 2025-01-23 Fatima Haimour , Rizik Al-Sayyed , Waleed Mahafza , Omar S. Al-Kadi

Current Computer-Aided Diagnosis (CAD) methods mainly depend on medical images. The clinical information, which usually needs to be considered in practical clinical diagnosis, has not been fully employed in CAD. In this paper, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2021-03-11 Songxiao Yang , Xiabi Liu , Zhongshu Zheng , Wei Wang , Xiaohong Ma

Unsupervised anomaly detection methods offer a promising and flexible alternative to supervised approaches, holding the potential to revolutionize medical scan analysis and enhance diagnostic performance. In the current landscape, it is…

Image and Video Processing · Electrical Eng. & Systems 2023-08-29 Cosmin I. Bercea , Esther Puyol-Antón , Benedikt Wiestler , Daniel Rueckert , Julia A. Schnabel , Andrew P. King

MRI (Magnetic Resonance Imaging) is a technique used to analyze and diagnose the problem defined by images like cancer or tumor in a brain. Physicians require good contrast images for better treatment purpose as it contains maximum…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Sakshi Patel , Bharath K P , Rajesh Kumar Muthu

Alzheimer's disease (AD) is one of the most common public health issues the world is facing today. This disease has a high prevalence primarily in the elderly accompanying memory loss and cognitive decline. AD detection is a challenging…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Zahraa Sh. Aaraji , Hawraa H. Abbas

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

Quantitative Methods · Quantitative Biology 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

In MRI studies, the aggregation of imaging data from multiple acquisition sites enhances sample size but may introduce site-related variabilities that hinder consistency in subsequent analyses. Deep learning methods for image translation…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Vincent Roca , Grégory Kuchcinski , Jean-Pierre Pruvo , Dorian Manouvriez , Renaud Lopes