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Ultra-High Field MRI (UHF-MRI) is increasingly used in large-scale neuroimaging studies, yet automatic brain segmentation and cortical parcellation remain challenging due to signal inhomogeneities, heterogeneous contrasts and resolutions,…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Marc-Antoine Fortin , Anne Louise Kristoffersen , Paal Erik Goa

Objectives: This work aims to explore the impact of multicenter data heterogeneity on deep learning brain metastases (BM) autosegmentation performance, and assess the efficacy of an incremental transfer learning technique, namely learning…

Medical imaging modalities including magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound are essential for accurate diagnosis and treatment planning in modern healthcare. However, noise contamination during image…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Asadullah Bin Rahman , Masud Ibn Afjal , Md. Abdulla Al Mamun

If unaligned multimodal medical images can be simultaneously aligned and fused using a single-stage approach within a unified processing framework, it will not only achieve mutual promotion of dual tasks but also help reduce the complexity…

Image and Video Processing · Electrical Eng. & Systems 2024-12-16 Huafeng Li , Dayong Su , Qing Cai , Yafei Zhang

A permanent magnet array (PMA) is a preferred source of magnetic field for body-part-dedicated low-field (<0.5 T) portable magnetic resonance imaging (MRI) because it has a small footprint, no power consumption, and no need for a cooling…

Medical Physics · Physics 2022-11-23 Ting-Ou Liang , Yan Hao Koh , Tie Qiu , Erping Li , Wenwei Yu , Shao Ying Huang

We present an extensive study of Mott insulator (MI) and superfluid (SF) shells in Bose-Hubbard (BH) models for bosons in optical lattices with harmonic traps. For this we develop an inhomogeneous mean-field theory. Our results for the BH…

Quantum Gases · Physics 2015-06-03 Ramesh V. Pai , Jamshid Moradi Kurdestany , K. Sheshadri , Rahul Pandit

Segmentation and quantification of white matter hyperintensities (WMHs) are of great importance in studying and understanding various neurological and geriatric disorders. Although automatic methods have been proposed for WMH segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Dakai Jin , Ziyue Xu , Adam P. Harrison , Daniel J. Mollura

Fetal brain magnetic resonance imaging (MRI) offers exquisite images of the developing brain but is not suitable for second-trimester anomaly screening, for which ultrasound (US) is employed. Although expert sonographers are adept at…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Jianbo Jiao , Ana I. L. Namburete , Aris T. Papageorghiou , J. Alison Noble

Magnetic resonance imaging (MRI) is critically important for brain mapping in both scientific research and clinical studies. Precise segmentation of brain tumors facilitates clinical diagnosis, evaluations, and surgical planning. Deep…

Image and Video Processing · Electrical Eng. & Systems 2023-05-01 Rui Nian , Guoyao Zhang , Yao Sui , Yuqi Qian , Qiuying Li , Mingzhang Zhao , Jianhui Li , Ali Gholipour , Simon K. Warfield

Multisequence Magnetic Resonance Imaging (MRI) provides a more reliable diagnosis in clinical applications through complementary information across sequences. However, in practice, the absence of certain MR sequences is a common problem…

Image and Video Processing · Electrical Eng. & Systems 2025-10-21 Jihoon Cho , Jonghye Woo , Jinah Park

Many hearing-impaired listeners struggle to localize sounds due to poor availability of binaural cues. Listeners with a cochlear implant and a contralateral hearing aid -- so-called bimodal listeners -- are amongst the worst performers, as…

Audio and Speech Processing · Electrical Eng. & Systems 2018-03-15 Benjamin Dieudonné , Tom Francart

Purpose: Magnetization transfer (MT) and inhomogeneous MT (ihMT) contrasts are used in MRI to provide information about macromolecular tissue content. In particular, MT is sensitive to macromolecules and ihMT appears to be specific to…

Brain metastasis segmentation poses a significant challenge in medical imaging due to the complex presentation and variability in size and location of metastases. In this study, we first investigate the impact of different imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-07-22 Yousef Sadegheih , Dorit Merhof

Over almost five decades of development and improvement, Magnetic Resonance Imaging (MRI) has become a rich and powerful, non-invasive technique in medical imaging, yet not reaching its physical limits. Technical and physiological…

Quantum Hall (QH) states of 2D single layer optical lattices are examined using Bose-Hubbard model (BHM) in presence of artificial gauge field. We study the QH states of both the homogeneous and inhomogeneous systems. For the homogeneous…

Quantum Gases · Physics 2018-08-14 Rukmani Bai , Soumik Bandyopadhyay , Sukla Pal , K. Suthar , D. Angom

Hybrid beamforming (HBF) is an attractive technology for practical massive multiple-input and multiple-output (MIMO) millimeter wave (mmWave) systems. Compared with the fully-connected HBF architecture, the partially-connected one can…

Information Theory · Computer Science 2020-10-12 Xingyu Zhao , Tian Lin , Yu Zhu , Jun Zhang

Recent learning-based approaches have made astonishing advances in calibrated medical imaging like computerized tomography (CT), yet they struggle to generalize in uncalibrated modalities -- notably magnetic resonance (MR) imaging, where…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Peirong Liu , Oula Puonti , Xiaoling Hu , Karthik Gopinath , Annabel Sorby-Adams , Daniel C. Alexander , W. Taylor Kimberly , Juan E. Iglesias

Accurate segmentation of thalamic nuclei, crucial for understanding their role in healthy cognition and in pathologies, is challenging to achieve on standard T1-weighted (T1w) magnetic resonance imaging (MRI) due to poor image contrast.…

Image and Video Processing · Electrical Eng. & Systems 2023-04-17 Julie P. Vidal , Lola Danet , Patrice Péran , Jérémie Pariente , Meritxell Bach Cuadra , Natalie M. Zahr , Emmanuel J. Barbeau , Manojkumar Saranathan

Magnetic resonance imaging (MRI) data is heterogeneous due to differences in device manufacturers, scanning protocols, and inter-subject variability. A conventional way to mitigate MR image heterogeneity is to apply preprocessing…

Image and Video Processing · Electrical Eng. & Systems 2023-10-24 Ekaterina Kondrateva , Polina Druzhinina , Alexandra Dalechina , Svetlana Zolotova , Andrey Golanov , Boris Shirokikh , Mikhail Belyaev , Anvar Kurmukov

We present an unsupervised single image bidirectional Magnetic Resonance Image (MRI) synthesizer that synthesizes an Ultra-Low Field (ULF) like image from a High-Field (HF) magnitude image and vice-versa. Unlike existing MRI synthesis…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Pranav Indrakanti , Ivor Simpson