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The ability to synthesise Computed Tomography images - commonly known as pseudo CT, or pCT - from MRI input data is commonly assessed using an intensity-wise similarity, such as an L2-norm between the ground truth CT and the pCT. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-04-15 Kerstin Kläser , Thomas Varsavsky , Pawel Markiewicz , Tom Vercauteren , David Atkinson , Kris Thielemans , Brian Hutton , M Jorge Cardoso , Sebastien Ourselin

Computer Tomography (CT) images have become quite important to diagnose diseases. CT scan slice contains a vast amount of data that may not be properly examined with the requisite precision and speed using normal visual inspection. A…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Md Moniruzzaman Emon , Tareque Rahman Ornob , Moqsadur Rahman

AI requires extensive datasets, while medical data is subject to high data protection. Anonymization is essential, but poses a challenge for some regions, such as the head, as identifying structures overlap with regions of clinical…

In early years of life, the cranium rapidly changes in size and shape to accommodate brain growth, primarily driven by mechanical stress from brain expansion. Developmental disorders such as premature fusion of sutures in craniosynostosis,…

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Craniosynostosis is a medical condition that affects the growth of babies' heads, caused by an early fusion of cranial sutures. In recent decades, surgical treatments for craniosynostosis have significantly improved, leading to reduced…

Model-based treatment planning for transcranial ultrasound therapy typically involves mapping the acoustic properties of the skull from an x-ray computed tomography (CT) image of the head. Here, three methods for generating pseudo-CT images…

High-resolution slice-to-volume reconstruction (SVR) from multiple motion-corrupted low-resolution 2D slices constitutes a critical step in image-based diagnostics of moving subjects, such as fetal brain Magnetic Resonance Imaging (MRI).…

Designing implants for large and complex cranial defects is a challenging task, even for professional designers. Current efforts on automating the design process focused mainly on convolutional neural networks (CNN), which have produced…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jianning Li , David G. Ellis , Antonio Pepe , Christina Gsaxner , Michele R. Aizenberg , Jens Kleesiek , Jan Egger

Magnetic resonance imaging (MRI)-based synthetic computed tomography (sCT) simplifies radiation therapy treatment planning by eliminating the need for CT simulation and error-prone image registration, ultimately reducing patient radiation…

Image and Video Processing · Electrical Eng. & Systems 2023-06-01 Shaoyan Pan , Elham Abouei , Jacob Wynne , Tonghe Wang , Richard L. J. Qiu , Yuheng Li , Chih-Wei Chang , Junbo Peng , Justin Roper , Pretesh Patel , David S. Yu , Hui Mao , Xiaofeng Yang

With the increasing popularity of PET-MR scanners in clinical applications, synthesis of CT images from MR has been an important research topic. Accurate PET image reconstruction requires attenuation correction, which is based on the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Snehashis Roy , John A. Butman , Dzung L. Pham

Deep learning offers potential for various healthcare applications, yet requires extensive datasets of curated medical images where data privacy, cost, and distribution mismatch across various acquisition centers could become major…

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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

Magnetic resonance imaging (MRI) has played a crucial role in fetal neurodevelopmental research. Structural annotations of MR images are an important step for quantitative analysis of the developing human brain, with Deep Learning providing…

Manual segmentation of medical images is labor intensive and especially challenging for images with poor contrast or resolution. The presence of disease exacerbates this further, increasing the need for an automated solution. To this…

Image and Video Processing · Electrical Eng. & Systems 2024-06-26 Selena Huisman , Matteo Maspero , Marielle Philippens , Joost Verhoeff , Szabolcs David

Current methods for magnetic resonance-based positron emission tomography attenuation correction (PET-MR AC) are time consuming, and less able than computed tomography (CT)-based AC methods to capture inter-individual variability and skull…

Attenuation correction is an essential requirement of positron emission tomography (PET) image reconstruction to allow for accurate quantification. However, attenuation correction is particularly challenging for PET-MRI as neither PET nor…

Structural magnetic resonance imaging (sMRI) provides accurate estimates of the brain's structural organization and learning invariant brain representations from sMRI is an enduring issue in neuroscience. Previous deep representation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Ning Jiang , Gongshu Wang , Tianyi Yan

Microvascular anatomy is known to be involved in various neurological disorders. However, understanding these disorders is hindered by the lack of imaging modalities capable of capturing the comprehensive three-dimensional vascular network…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Etienne Chollet , Yaël Balbastre , Chiara Mauri , Caroline Magnain , Bruce Fischl , Hui Wang

Subcortical segmentation in neuroimages plays an important role in understanding brain anatomy and facilitating computer-aided diagnosis of traumatic brain injuries and neurodegenerative disorders. However, training accurate automatic…

Image and Video Processing · Electrical Eng. & Systems 2025-08-18 Augustine X. W. Lee , Pak-Hei Yeung , Jagath C. Rajapakse