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Tract-specific diffusion measures, as derived from brain diffusion MRI, have been linked to white matter tract structural integrity and neurodegeneration. As a consequence, there is a large interest in the automatic segmentation of white…

Image and Video Processing · Electrical Eng. & Systems 2019-08-28 Bo Li , Marius de Groot , Meike Vernooij , Arfan Ikram , Wiro Niessen , Esther Bron

Background Analyzing images to accurately estimate the number of different cell types in the brain using automatic methods is a major objective in neuroscience. The automatic and selective detection and segmentation of neurons would be an…

Image and Video Processing · Electrical Eng. & Systems 2024-10-07 Antonio LaTorre , Lidia Alonso-Nanclares , José María Peña , Javier De Felipe

3D LiDAR scene completion from point clouds is a fundamental component of perception systems in autonomous vehicles. Previous methods have predominantly employed diffusion models for high-fidelity reconstruction. However, their multi-step…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Wenzhe He , Xiaojun Chen , Ruiqi Wang , Ruihui Li , Huilong Pi , Jiapeng Zhang , Zhuo Tang , Kenli Li

Near-infrared imaging has been considered as a solution to provide high quality photographs in dim lighting conditions. This imaging system captures two types of multimodal images: one is near-infrared gray image (NGI) and the other is the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Chang-Hwan Son , Xiao-Ping Zhang

We introduce CORTEX, an algorithmic framework designed for large-scale brain simulation. Leveraging the computational capacity of the Fugaku Supercomputer, CORTEX maximizes available problem size and processing performance. Our primary…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-07 Tianxiang Lyu , Mitsuhisa Sato , Shigeki Aoki , Ryutaro Himeno , Zhe Sun

Estimating brain microstructure has important applications in medicine and neuroscience. Diffusion-weighted magnetic resonance imaging enables measuring microstructure \textit{in vivo}. Conventional biophysical model fitting can be accurate…

Medical Physics · Physics 2026-03-09 Leevi Kerkelä , Hui Zhang

Diffusion magnetic resonance imaging datasets suffer from low Signal-to-Noise Ratio, especially at high b-values. Acquiring data at high b-values contains relevant information and is now of great interest for microstructural and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-27 Samuel St-Jean , Pierrick Coupé , Maxime Descoteaux

High resolution X-ray spectroscopy with the diffraction gratings of Chandra and XMM-Newton offers new chances to study a large variety of stellar coronal phenomena. A popular X-ray calibration target is Capella, which has been observed with…

Astrophysics · Physics 2009-11-10 Jan-Uwe Ness

This paper presents an accurate and robust embedded motor-imagery brain-computer interface (MI-BCI). The proposed novel model, based on EEGNet, matches the requirements of memory footprint and computational resources of low-power…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Xiaying Wang , Michael Hersche , Batuhan Tömekce , Burak Kaya , Michele Magno , Luca Benini

Purpose: Grating-based imaging (GBI) and edge-illumination (EI) are two promising types of XPCI as the conventional x-ray sources can be directly utilized. For GBI and EI systems, the phase-stepping acquisition with multiple exposures at a…

Medical Physics · Physics 2022-01-19 Chengpeng Wu , Yuxiang Xing , Li Zhang , Zhiqiang Chen , Xiaohua Zhu , Xi Zhang , Hewei Gao

Intravoxel incoherent motion (IVIM) is a method that can provide quantitative information about perfusion in the human body, in vivo, and without contrast agent. Unfortunately, the IVIM perfusion parameter maps are known to be relatively…

Medical Physics · Physics 2021-11-17 Harri Merisaari , Christian Federau

Effective connectivity estimation plays a crucial role in understanding the interactions and information flow between different brain regions. However, the functional time series used for estimating effective connectivity is derived from…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Qiankun Zuo , Ling Chen , Yanyan Shen , Michael Kwok-Po Ng , Baiying Lei , Shuqiang Wang

As very large studies of complex neuroimaging phenotypes become more common, human quality assessment of MRI-derived data remains one of the last major bottlenecks. Few attempts have so far been made to address this issue with machine…

Non-human primates (NHPs) serve as critical models for understanding human brain function and neurological disorders due to their close evolutionary relationship with humans. Accurate brain tissue segmentation in NHPs is critical for…

Portable ultra-low-field MRI (uLF-MRI, 0.064 T) offers accessible neuroimaging for neonatal care but suffers from low signal-to-noise ratio and poor diagnostic quality compared to high-field (HF) MRI. We propose MRIQT, a 3D conditional…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Malek Al Abed , Sebiha Demir , Anne Groteklaes , Elodie Germani , Shahrooz Faghihroohi , Hemmen Sabir , Shadi Albarqouni

Designing nanoscale electronic devices such as the currently manufactured nanoribbon field-effect transistors (NRFETs) requires advanced modeling tools capturing all relevant quantum mechanical effects. State-of-the-art approaches combine…

Structural magnetic resonance imaging (MRI) can be used to detect lesions in the brains of multiple sclerosis (MS) patients. The formation of these lesions is a complex process involving inflammation, tissue damage, and tissue repair, all…

Double diffusion encoding (DDE) makes diffusion MRI sensitive to a wide range of microstructural features, and the acquired data can be analysed using different approaches. Correlation tensor imaging (CTI) uses DDE to resolve three…

Medical Physics · Physics 2024-12-05 Arthur Chakwizira , Filip Szczepankiewicz , Markus Nilsson

Urban air pollution in megacities poses critical public health challenges, particularly in Delhi National Capital Region (NCR) where severe degradation affects millions. We present NEXUS (Neural Extraction and Unified Spatiotemporal)…

Machine Learning · Computer Science 2026-02-25 Rampunit Kumar , Aditya Maheshwari

The g-ratio, quantifying the comparative thickness of the myelin sheath encasing an axon, is a geometrical invariant that has high functional relevance because of its importance in determining neuronal conduction velocity. Advances in MRI…

Quantitative Methods · Quantitative Biology 2020-05-28 Siawoosh Mohammadi , Martina F. Callaghan