Electrostatic analyzer with a 3‐D instantaneous field of view for fast measurements of plasma distribution functions in space
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016ja023596
Abstract: We describe the concept and properties of a new electrostatic optic which aims to provide a 2π sr instantaneous field-of-view to characterize space plasmas. It consists of a set of concentric toroidal electrodes that form… read more here.
Keywords: field view; space; instantaneous field; fast measurements ... See more keywords
Perovskite Wide‐Angle Field‐Of‐View Camera
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202206957
Abstract: Researchers have attempted to create wide‐angle field‐of‐view (FOV) cameras inspired by the structure of the eyes of animals, including fisheye and compound eye cameras. However, realizing wide‐angle FOV cameras simultaneously exhibiting low distortion and high… read more here.
Keywords: angle field; wide angle; camera; field view ... See more keywords
Reduced Field‐of‐View Diffusion‐Weighted Magnetic Resonance Imaging of the Pancreas With Tilted Excitation Plane: A Preliminary Study
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnetic Resonance Imaging"
DOI: 10.1002/jmri.27590
Abstract: Reduced field‐of‐view diffusion‐weighted imaging (rDWI) with tilted two‐dimensional radiofrequency (RF) excitation planes has not yet been applied to the imaging of the pancreas although the utility of this technique which allows the acquisition of high‐quality… read more here.
Keywords: field view; view diffusion; magnetic resonance; diffusion weighted ... See more keywords
The potential advantages and workflow challenges of long axial field of view PET/CT.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of medical radiation sciences"
DOI: 10.1002/jmrs.686
Abstract: Recently developed Long (≥100 cm) axial field of view (AFOV) PET/CT scanners are capable of producing images with higher signal-to-noise ratio, or performing faster whole-body acquisitions, or scanning with lower radiation dose to the patient, compared… read more here.
Keywords: axial field; pet; field view; radiation ... See more keywords
Reconstruction of uptake patterns in PET: The influence of regularizing prior
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12205
Abstract: Purpose The effects of regularizing priors on the maximum likelihood (ML) reconstruction of activity patterns in Positron Emission Tomography (PET) were assessed. Methods Two edge‐preserving priors (one originally proposed by Nuyts et al. and nowadays… read more here.
Keywords: reconstruction; reconstruction uptake; field view; uptake patterns ... See more keywords
Reduced field of view single‐shot spiral perfusion imaging
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26664
Abstract: To develop a single‐shot spiral perfusion pulse sequence with outer‐volume suppression (OVS) to achieve whole‐heart coverage with a short temporal footprint of 10 ms per slice location. read more here.
Keywords: field view; single shot; spiral perfusion; shot spiral ... See more keywords
Sheared two‐dimensional radiofrequency excitation for off‐resonance robustness and fat suppression in reduced field‐of‐view imaging
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29416
Abstract: Two‐dimensional (2D) echo‐planar radiofrequency (RF) pulses are widely used for reduced field‐of‐view (FOV) imaging in applications such as diffusion‐weighted imaging. However, long pulse durations render the 2D RF pulses sensitive to off‐resonance effects, causing local… read more here.
Keywords: resonance robustness; two dimensional; field view; radiofrequency ... See more keywords
Modified optical coefficient measurement system for bulk tissue using an optical fiber insertion with varying field of view and depth at the fiber tip
Sign Up to like & getrecommendations! Published in 2019 at "Lasers in Medical Science"
DOI: 10.1007/s10103-019-02756-x
Abstract: To measure the few millimeter–scale macroscopic optical properties of biological tissue, including the scattering coefficient, while avoiding the instability that originates from sample slicing preparation processes, we performed propagated light intensity measurements through an optical… read more here.
Keywords: field view; bulk tissue; tissue; fiber ... See more keywords
Design of an optical receiving antenna with high gain and large field of view for indoor visible light communication
Sign Up to like & getrecommendations! Published in 2019 at "Optoelectronics Letters"
DOI: 10.1007/s11801-019-8172-8
Abstract: In order to meet the requirements of the high gain and wide field of view (FOV) for indoor visible light communication (VLC) system, a new optical receiving system is proposed, which integrates a Fresnel lens… read more here.
Keywords: high gain; field view; gain; visible light ... See more keywords
Impact Angle and Time Control Guidance Under Field-of-View Constraints and Maneuver Limits
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-018-0004-8
Abstract: This paper proposes a guidance law which considers the constraints of seeker field-of-view (FOV) as well as the requirements on impact angle and time. The proposed guidance law is designed for a constant speed missile… read more here.
Keywords: impact angle; field view; guidance law; angle time ... See more keywords
Update on the PennPET Explorer: A Whole-body Imager with Scalable Axial Field-of-View.
Sign Up to like & getrecommendations! Published in 2021 at "PET clinics"
DOI: 10.1016/j.cpet.2020.09.002
Abstract: Following successful performance testing and human imaging of a prototype PennPET Explorer, the scanner has been expanded to a current axial field of view of 1.12 m. Initial studies on this instrument have demonstrated encouraging results… read more here.
Keywords: axial field; pennpet explorer; field view;