Self-supervised arbitrary-scale super-angular resolution diffusion MRI reconstruction.
Sign Up to like & getrecommendations! Published in 2025 at "Medical physics"
DOI: 10.1002/mp.17691
Abstract: BACKGROUND Diffusion magnetic resonance imaging (dMRI) is currently the unique noninvasive imaging technique to investigate the microstructure of in vivo tissues. To fully explore the complex tissue microstructure at sub-voxel scale, diffusion weighted (DW) images… read more here.
Keywords: method; arbitrary scale; images along; resolution ... See more keywords
High angular resolution diffusion imaging abnormalities in the early stages of amyotrophic lateral sclerosis
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Neurological Sciences"
DOI: 10.1016/j.jns.2017.07.039
Abstract: OBJECTIVE Using magnetic resonance (MR) high angular resolution diffusion imaging (HARDI), we aimed at revealing possible microstructural alterations in the early stage of amyotrophic lateral sclerosis (ALS), still not completely elucidated. METHODS We studied 22… read more here.
Keywords: diffusion imaging; angular resolution; resolution diffusion; diffusion ... See more keywords
Selectively Electron-Transparent Microstamping Toward Concurrent Digital Image Correlation and High-Angular Resolution Electron Backscatter Diffraction (EBSD) Analysis
Sign Up to like & getrecommendations! Published in 2017 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927617012703
Abstract: Abstract Digital image correlation (DIC) in a scanning electron microscope and high-angular resolution electron backscatter diffraction (HREBSD) provide valuable and complementary data concerning local deformation at the microscale. However, standard surface preparation techniques are mutually… read more here.
Keywords: angular resolution; analysis; high angular; digital image ... See more keywords
Angular resolution of stacked resistive plate chambers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2017/01/058
Abstract: We present here detailed derivations of mathematical expressions for the accuracy in the arrival direction of particles estimated using a set of stacked resistive plate chambers (RPCs). The expressions are validated against experimental results using… read more here.
Keywords: plate chambers; stacked resistive; resistive plate; angular resolution ... See more keywords
Agile Laser Beam Deflection With High Steering Precision and Angular Resolution Using Liquid Crystal Optical Phased Array
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Nanotechnology"
DOI: 10.1109/inec.2016.7589438
Abstract: To improve the steering precision and angular resolution of liquid-crystal optical phased array, in this paper, we proposed a modified periodic phase controlled method to realize a continuous scanning with a constant angular resolution of… read more here.
Keywords: resolution; precision angular; angular resolution; liquid crystal ... See more keywords
Angular Resolution Enhancement for Multichannel Forward-Looking SAR Imaging Based on Zero-Shot Learning
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2025.3585750
Abstract: With multiple channels receiving echoes in azimuth, multichannel synthetic aperture radar (SAR) has the potential of forward-looking imaging. However, its angular resolution, especially the area along the platform flight path, is poor due to the… read more here.
Keywords: forward looking; resolution enhancement; area; sar ... See more keywords
Radar Angular Resolution Enhancement Based on Dynamic Reflective Metasurface Generated Mirror Array
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2024.3486753
Abstract: The angular resolution of phased-array radar is essential for applications, including multitarget detection, real aperture imaging, and so on. Because of various practical limitations, improving the angular resolution by further increasing the size of the… read more here.
Keywords: mirror array; radar; array; drm ... See more keywords
Design of conical Wolter-I geometry with sectioned secondary mirrors for x-ray telescopes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.5.1.014004
Abstract: Abstract. Conical Wolter-I geometry is employed for many x-ray telescopes to lower their cost and fabrication difficulty at the expense of angular resolution. Owing to the conic error, the angular resolution of conical Wolter-I geometry… read more here.
Keywords: angular resolution; wolter geometry; conical wolter; geometry ... See more keywords
Multi-image x-ray interferometer module: I. Design concept and proof-of-concept experiments with fine-pitch slits
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.9.2.025004
Abstract: We propose a novel x-ray imaging system, Multi-Image X-ray Interferometer Module (MIXIM), with which a very high angular resolution can be achieved even with a small system size. MIXIM is composed of equally-spaced multiple slits… read more here.
Keywords: multi image; image ray; resolution; angular resolution ... See more keywords
Field of view and angular-resolution enhancement in microlens array type virtual reality near-eye display using polarization grating.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.546812
Abstract: In this paper, we propose what we believe to be a novel method to enhance both the field of view and angular resolution of a microlens array-based thin virtual reality near-eye display using a polarization… read more here.
Keywords: field; field view; polarization; angular resolution ... See more keywords
Improvement in White Matter Tract Reconstruction with Constrained Spherical Deconvolution and Track Density Mapping in Low Angular Resolution Data: A Pediatric Study and Literature Review
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers in Pediatrics"
DOI: 10.3389/fped.2017.00182
Abstract: Introduction Diffusion-weighted magnetic resonance imaging (DW-MRI) allows noninvasive investigation of brain structure in vivo. Diffusion tensor imaging (DTI) is a frequently used application of DW-MRI that assumes a single main diffusion direction per voxel, and… read more here.
Keywords: low angular; constrained spherical; angular resolution; track density ... See more keywords