Results 31 to 40 of about 859,031 (290)

Advances in Biomedical Imaging [PDF]

open access: yesJAMA, 2001
In the 21st century, diseases will be diagnosed and treated using increasingly less invasive, more sophisticated imaging and image-guided procedures. During the past 100 years, the field of biomedical imaging has developed from Roentgen's original discovery of the x-ray to the imaging tools of today, such as magnetic resonance imaging, computed ...
C M, Tempany, B J, McNeil
openaire   +2 more sources

Simultaneous in vivo positron emission tomography and magnetic resonance imaging [PDF]

open access: yes, 2008
Positron emission tomography (PET) and magnetic resonance imaging (MRI) are widely used in vivo imaging technologies with both clinical and biomedical research applications.
Catana, Ciprian   +7 more
core   +2 more sources

The chicken chorioallantoic membrane as a low-cost, high-throughput model for cancer imaging

open access: yesnpj Imaging, 2023
Mouse models are invaluable tools for radiotracer development and validation. They are, however, expensive, low throughput, and are constrained by animal welfare considerations.
Lydia M. Smith   +11 more
doaj   +1 more source

Capsules for biomedical image segmentation

open access: yesMedical Image Analysis, 2021
Our work expands the use of capsule networks to the task of object segmentation for the first time in the literature. This is made possible via the introduction of locally-constrained routing and transformation matrix sharing, which reduces the parameter/memory burden and allows for the segmentation of objects at large resolutions.
Rodney LaLonde   +4 more
openaire   +5 more sources

Age Related Changes in Cerebrovascular Reactivity and Its Relationship to Global Brain Structure [PDF]

open access: yes, 2015
ACKNOWLEDGMENTS This study was funded by Alzheimer’s Research UK (ARUK) and the Aberdeen Biomedical Imaging Centre, University of Aberdeen. GDW, ADM and CS are part of the SINASPE collaboration (Scottish Imaging Network - A Platform for Scientific ...
Ahearn, Trevor S.   +4 more
core   +1 more source

Immersive Visualization for Enhanced Computational Fluid Dynamics Analysis [PDF]

open access: yes, 2015
Modern biomedical computer simulations produce spatiotemporal results that are often viewed at a single point in time on standard 2D displays. An immersive visualization environment (IVE) with 3D stereoscopic capability can mitigate some shortcomings of ...
Christopher E. Larkee   +8 more
core   +3 more sources

Maturation trajectories of cortical resting-state networks depend on the mediating frequency band [PDF]

open access: yes, 2018
The functional significance of resting state networks and their abnormal manifestations in psychiatric disorders are firmly established, as is the importance of the cortical rhythms in mediating these networks. Resting state networks are known to undergo
Bekhti, Yousra   +16 more
core   +1 more source

Accurate hybrid template–based and MR-based attenuation correction using UTE images for simultaneous PET/MR brain imaging applications

open access: yesBMC Medical Imaging, 2018
Background Attenuation correction is one of the most crucial correction factors for accurate PET data quantitation in hybrid PET/MR scanners, and computing accurate attenuation coefficient maps from MR brain acquisitions is challenging.
Jakub Baran   +9 more
doaj   +1 more source

Mathematical Analysis of Ultrafast Ultrasound Imaging [PDF]

open access: yes, 2016
This paper provides a mathematical analysis of ultrafast ultrasound imaging. This newly emerging modality for biomedical imaging uses plane waves instead of focused waves in order to achieve very high frame rates.
Alberti, Giovanni S.   +3 more
core   +2 more sources

The Integration of Positron Emission Tomography With Magnetic Resonance Imaging [PDF]

open access: yes, 2008
A number of laboratories and companies are currently exploring the development of integrated imaging systems for magnetic resonance imaging (MRI) and positron emission tomography (PET).
Cherry, Simon R.   +2 more
core   +1 more source

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