Results 1 to 10 of about 311,063 (257)

Original Research. Transluminal Contrast Attenuation Gradient Is Associated with Coronary Plaque Vulnerability — a Computed Tomography Angiography-based Study

open access: yesJournal of Cardiovascular Emergencies, 2017
The aim of this study was to demonstrate that the transluminal contrast attenuation gradient (TAG), a new CT imaging-derived marker of functional significance of a coronary stenosis, is directly associated with the vulnerability degree of atheromatous ...
Orzan Marius   +5 more
doaj   +1 more source

A multi-source behavioral and physiological recording system for cognitive assessment

open access: yesScientific Reports, 2023
Cognitive assessment has a broad application prospect, including estimate of childhood neuro development and maturation, diagnosis of neurodegenerative diseases, and selection for special profession.
Zi-yang Wang, Li Liu, Yu Liu
doaj   +1 more source

Demonstration and offset augmented meta reinforcement learning with sparse rewards

open access: yesComplex & Intelligent Systems
This paper introduces DOAMRL, a novel meta-reinforcement learning (meta-RL) method that extends the Model-Agnostic Meta-Learning (MAML) framework. The method addresses a key limitation of existing meta-RL approaches, which struggle to effectively use ...
Haorui Li   +5 more
doaj   +1 more source

One section, two worlds: single-cell integration of MALDI-MSI and spatial transcriptomics on the same single tissue section

open access: yesScientific Reports
Understanding tissue complexity requires spatially resolved multi-omics data at single-cell resolution. Here, we present a workflow integrating high-resolution matrix-assisted laser desorption ionization mass spectrometry imaging (MALDI-MSI) with Xenium ...
Tim F. E. Hendriks   +5 more
doaj   +1 more source

Theoretical and Experimental Investigation on a Novel Cavitation-Assisted Abrasive Flow Polishing Method

open access: yesMicromachines
A novel polishing method is proposed to increase material removal rates through the acceleration of abrasive movements using micro-jets formed by spontaneous collapses of bubbles due to the cavitation in a special-shaped Venturi tube.
Jiayu Wang   +3 more
doaj   +1 more source

Strategies for collection, management, and release of data for multi-site longitudinal studies: Lessons from the ABCD Data Analysis, Informatics, & Resource Center

open access: yesDevelopmental Cognitive Neuroscience
This paper synthesizes ten years of experience from the Adolescent Brain Cognitive DevelopmentSM (ABCD) Study’s Data Analysis, Informatics, & Resource Center (DAIRC), focusing on strategies for the collection, management, and release of data for a ...
Janosch Linkersdörfer   +29 more
doaj   +1 more source

Refer-ASV: Referring Multi-Object Tracking in Autonomous Surface Vehicle Navigation Scenes

open access: yesJournal of Imaging
Water-surface perception is critical for autonomous surface vehicle navigation, where reliable tracking of task-relevant objects is essential for safe and robust operation.
Bin Xue   +5 more
doaj   +1 more source

Agent-Based Modeling of Epidemics: Approaches, Applications, and Future Directions

open access: yesTechnologies
The spread of infectious diseases is inherently linked to human social behavior, characterized by complexity, diversity, and openness. Intelligent agents in computer science provide a powerful framework for capturing such dynamics, enabling complex ...
Xiangyu Zhang   +5 more
doaj   +1 more source

Impaired insight in schizophrenia is associated with higher frontoparietal cerebral blood flow: an arterial spin labeling study

open access: yesSchizophrenia
Impaired insight into illness occurs in up to 98% of patients with schizophrenia, depending on the stage of illness, and leads to negative clinical outcomes.
Jianmeng Song   +13 more
doaj   +1 more source

Reconstruction Accuracy vs. Discriminative Power: Spectral Unmixing Performance in Brain Tissue Hyperspectral Imaging

open access: yesBioengineering
Hyperspectral imaging holds promise for intraoperative brain tissue characterisation, but its high dimensionality complicates clinical deployment. Spectral unmixing offers a pathway to compress data into interpretable abundance maps, yet its impact on ...
Alejandro Martinez de Ternero   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy