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Related papers: A Deep Learning-Based Method for Metal Artifact-Re…

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To the best of our knowledge, all existing methods that can generate synthetic brain magnetic resonance imaging (MRI) scans for a specific individual require detailed structural or volumetric information about the individual's brain.…

Neurons and Cognition · Quantitative Biology 2025-04-25 Ruijie Wang , Luca Rossetto , Susan Mérillat , Christina Röcke , Mike Martin , Abraham Bernstein

In MR fingerprinting (MRF) reconstruction, measured data is pattern-matched to simulated signals to extract quantitative tissue parameters. A critical drawback to this approach is the exponentially increasing compute time for mapping of…

Medical Physics · Physics 2024-07-17 Victoria Y. Yu , Kathryn R. Tringale , Ricardo Otazo , Ouri Cohen

Medical imaging plays a critical role in various clinical applications. However, due to multiple considerations such as cost and risk, the acquisition of certain image modalities could be limited. To address this issue, many cross-modality…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Dong Nie , Lei Xiang , Qian Wang , Dinggang Shen

Current deep neural network based approaches to computed tomography (CT) metal artifact reduction (MAR) are supervised methods that rely on synthesized metal artifacts for training. However, as synthesized data may not accurately simulate…

Image and Video Processing · Electrical Eng. & Systems 2019-12-02 Haofu Liao , Wei-An Lin , S. Kevin Zhou , Jiebo Luo

The presence of metallic implants often introduces severe metal artifacts in the X-ray CT images, which could adversely influence clinical diagnosis or dose calculation in radiation therapy. In this work, we present a novel…

Image and Video Processing · Electrical Eng. & Systems 2021-09-29 Lequan Yu , Zhicheng Zhang , Xiaomeng Li , Hongyi Ren , Wei Zhao , Lei Xing

Metal implants that are inserted into the patient's body during trauma interventions cause heavy artifacts in 3D X-ray acquisitions. Metal Artifact Reduction (MAR) methods, whose first step is always a segmentation of the present metal…

Image and Video Processing · Electrical Eng. & Systems 2021-01-27 Tristan M. Gottschalk , Andreas Maier , Florian Kordon , Björn W. Kreher

Magnetic resonance imaging (MRI) is a widely used medical imaging modality. However, due to the limitations in hardware, scan time, and throughput, it is often clinically challenging to obtain high-quality MR images. The super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2020-02-20 Qing Lyu , Hongming Shan , Ge Wang

Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) plays an important role in diagnosis and grading of brain tumor. Although manual DCE biomarker extraction algorithms boost the diagnostic yield of DCE-MRI by providing…

Deep neural network based methods have achieved promising results for CT metal artifact reduction (MAR), most of which use many synthesized paired images for training. As synthesized metal artifacts in CT images may not accurately reflect…

Image and Video Processing · Electrical Eng. & Systems 2020-07-09 Chuang Niu , Wenxiang Cong , Fenglei Fan , Hongming Shan , Mengzhou Li , Jimin Liang , Ge Wang

Neonatal brain segmentation in magnetic resonance (MR) is a challenging problem due to poor image quality and low contrast between white and gray matter regions. Most existing approaches for this problem are based on multi-atlas label…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Jose Dolz , Ismail Ben Ayed , Jing Yuan , Christian Desrosiers

In Magnetic Resonance Imaging (MRI), image acquisitions are often undersampled in the measurement domain to accelerate the scanning process, at the expense of image quality. However, image quality is a crucial factor that influences the…

Image and Video Processing · Electrical Eng. & Systems 2024-05-31 Mevan Ekanayake , Zhifeng Chen , Mehrtash Harandi , Gary Egan , Zhaolin Chen

Multi-contrast MRI images provide complementary contrast information about the characteristics of anatomical structures and are commonly used in clinical practice. Recently, a multi-flip-angle (FA) and multi-echo GRE method (MULTIPLEX MRI)…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Eric Z. Chen , Yongquan Ye , Xiao Chen , Jingyuan Lyu , Zhongqi Zhang , Yichen Hu , Terrence Chen , Jian Xu , Shanhui Sun

Ensuring the realism of computer-generated synthetic images is crucial to deep neural network (DNN) training. Due to different semantic distributions between synthetic and real-world captured datasets, there exists semantic mismatch between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Ganning Zhao , Tingwei Shen , Suya You , C. -C. Jay Kuo

Magnetic resonance imaging (MRI) is an invaluable tool for clinical and research applications. Yet, variations in scanners and acquisition parameters cause inconsistencies in image contrast, hindering data comparability and reproducibility…

Image and Video Processing · Electrical Eng. & Systems 2025-09-09 Daniel Scholz , Ayhan Can Erdur , Robbie Holland , Viktoria Ehm , Jan C. Peeken , Benedikt Wiestler , Daniel Rueckert

Self-supervised deep learning has accelerated 2D natural image analysis but remains difficult to translate into 3D MRI, where data are scarce and pre-trained 2D backbones cannot capture volumetric context. We present a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Liam Chalcroft , Jenny Crinion , Cathy J. Price , John Ashburner

Machine hearing or listening represents an emerging area. Conventional approaches rely on the design of handcrafted features specialized to a specific audio task and that can hardly generalized to other audio fields. For example,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Imad Rida , Romain Hérault , Gilles Gasso

Phase contrast transmission electron microscopy (TEM) is a powerful tool for imaging the local atomic structure of materials. TEM has been used heavily in studies of defect structures of 2D materials such as monolayer graphene due to its…

Materials Science · Physics 2021-09-01 Robbie Sadre , Colin Ophus , Anstasiia Butko , Gunther H Weber

Using single-task deep learning methods to reconstruct Magnetic Resonance Imaging (MRI) data acquired with different imaging sequences is inherently challenging. The trained deep learning model typically lacks generalizability, and the…

Image and Video Processing · Electrical Eng. & Systems 2024-04-23 Wanyu Bian , Albert Jang , Fang Liu

Masked image modelling (e.g., Masked AutoEncoder) and contrastive learning (e.g., Momentum Contrast) have shown impressive performance on unsupervised visual representation learning. This work presents Masked Contrastive Representation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Yuchong Yao , Nandakishor Desai , Marimuthu Palaniswami

Building accurate Deep Learning (DL) models for brain age prediction is a very relevant topic in neuroimaging, as it could help better understand neurodegenerative disorders and find new biomarkers. To estimate accurate and generalizable…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Carlo Alberto Barbano , Benoit Dufumier , Edouard Duchesnay , Marco Grangetto , Pietro Gori