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Diffusion models are a state-of-the-art generative modeling framework that transform noise to images via Langevin sampling, guided by the score, which is the gradient of the logarithm of the data distribution. Recent works have shown…

Machine Learning · Computer Science 2025-08-01 Aadithya Srikanth , Siddarth Asokan , Nishanth Shetty , Chandra Sekhar Seelamantula

Since the discovery of RRATs, interest in single pulse radio searches has increased dramatically. Due to the large data volumes generated by these searches, especially in planned surveys for future radio telescopes, such searches have to be…

Instrumentation and Methods for Astrophysics · Physics 2014-02-03 Alessio Magro

Medical diagnosis is a crucial task in the medical field, in terms of providing accurate classification and respective treatments. Having near-precise decisions based on correct diagnosis can affect a patient's life itself, and may…

Machine Learning · Computer Science 2025-08-27 A. Yarkın Yıldız , Asli Kalayci

This paper presents the design and implementation of a magnetic signal scanning and imaging system based on the giant magnetoimpedance (GMI) effect. The system employs a pair of performance-matched GMI sensing elements configured as a…

Instrumentation and Detectors · Physics 2025-11-20 Tao Yang , Zhoulu Yu , Xuekui Xi , Changjun Jiang , Guozhi Chai

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

Photon counting detectors (PCDs) offer promising advancements in computed tomography (CT) imaging by enabling the quantification and 3D imaging of contrast agents and tissue types through multi-energy projections. However, the accuracy of…

Medical Physics · Physics 2023-10-18 Juan C. R. Luna , Mini Das

Multimodal Magnetic Resonance (MR) Imaging plays a crucial role in disease diagnosis due to its ability to provide complementary information by analyzing a relationship between multimodal images on the same subject. Acquiring all MR…

Image and Video Processing · Electrical Eng. & Systems 2024-02-02 Jihoon Cho , Xiaofeng Liu , Fangxu Xing , Jinsong Ouyang , Georges El Fakhri , Jinah Park , Jonghye Woo

Underwater image enhancement (UIE) has attracted much attention owing to its importance for underwater operation and marine engineering. Motivated by the recent advance in generative models, we propose a novel UIE method based on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Xingyang Nie , Su Pan , Xiaoyu Zhai , Shifei Tao , Fengzhong Qu , Biao Wang , Huilin Ge , Guojie Xiao

We demonstrate the experimental determination of the diffusion propagator using magnetic resonance (MR) techniques. To this end, a recently introduced method was implemented on a benchtop MR scanner and incorporated into profiling and…

Materials Science · Physics 2021-07-01 Alfredo Miguel Ordinola Santisteban , Evren Özarslan

Magnetic Detection Electrical Impedance Tomography is a novel technique that could enable non-invasive imaging of fast neural activity in the brain. However, commercial magnetometers are not suited to its technical requirements.…

Medical Physics · Physics 2024-12-19 Kai Mason , Florencia Maurino-Alperovich , Kirill Aristovich , David Holder

Medical Image Segmentation is a useful application for medical image analysis including detecting diseases and abnormalities in imaging modalities such as MRI, CT etc. Deep learning has proven to be promising for this task but usually has a…

Image and Video Processing · Electrical Eng. & Systems 2023-02-08 Soham Bhosale , Arjun Krishna , Ge Wang , Klaus Mueller

We derive a full 3-dimensional (3-D) model of inhomogeneous -- anisotropic diffusion in a tumor region coupled to a binary population model. The diffusion tensors are acquired using Diffusion Tensor Magnetic Resonance Imaging (DTI) from a…

Medical Physics · Physics 2021-01-04 Erdi Kara , Aminur Rahman , Eugenio Aulisa , Souparno Ghosh

Rapid advancements in medical image segmentation performance have been significantly driven by the development of Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs). These models follow the discriminative pixel-wise…

Image and Video Processing · Electrical Eng. & Systems 2024-08-21 Jiayu Huo , Xi Ouyang , Sébastien Ourselin , Rachel Sparks

Magnetic Particle Imaging is an emerging imaging modality through which it is possible to detect tracers containing superparamagnetic nanoparticles. The exposure of the particles to dynamic magnetic fields generates a non-linear response…

Numerical Analysis · Mathematics 2024-06-19 Vladyslav Gapyak , Thomas März , Andreas Weinmann

Scarcity of annotated data, particularly for rare or atypical morphologies, present significant challenges for cell and nuclei segmentation in computational pathology. While manual annotation is labor-intensive and costly, synthetic data…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Dominik Winter , Mai Bui , Monica Azqueta Gavaldon , Nicolas Triltsch , Marco Rosati , Nicolas Brieu

Patients with dementia typically exhibit cognitive impairment, which is routinely assessed using the Mini-Mental State Examination (MMSE). Concurrently, their underlying neurophysiological abnormalities are reflected in…

Machine Learning · Computer Science 2026-04-28 Xiaoyu Zheng , Xu Tian , Bin Jiao , Kunbo Cui , Hanhe Lin , Lu Shen , Jin Liu

The interest of compressive sampling in ultrasound imaging has been recently extensively evaluated by several research teams. Following the different application setups, it has been shown that the RF data may be reconstructed from a small…

Computer Vision and Pattern Recognition · Computer Science 2015-12-07 Zhouye Chen , Adrian Basarab , Denis Kouamé

Owing to its pristine soft-tissue contrast and high resolution, structural magnetic resonance imaging (MRI) is widely applied in neurology, making it a valuable data source for image-based machine learning (ML) and deep learning…

Image and Video Processing · Electrical Eng. & Systems 2021-11-18 Merel Kuijs , Catherine R. Jutzeler , Bastian Rieck , Sarah C. Brüningk

Summary: Errors in gradient trajectories introduce significant artifacts and distortions in magnetic resonance images, particularly in non-Cartesian imaging sequences, where imperfect gradient waveforms can greatly reduce image quality.…

Medical Physics · Physics 2025-06-19 Jonathan B. Martin , Hannah E. Alderson , John C. Gore , Mark D. Does , Kevin D. Harkins

Neurodegenerative parkinsonism can be assessed by dopamine transporter single photon emission computed tomography (DaT-SPECT). Although generating images is time consuming, these images can show interobserver variability and they have been…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Jun-En Ding , Chi-Hsiang Chu , Mong-Na Lo Huang , Chien-Ching Hsu
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