Mapping three-dimensional oil distribution with Ï-EPI MRI measurements at low magnetic field
Keywords: 3D oil distribution; Ï Echo Planar Imaging; Fast Spin Echo; SPRITE; MRI;
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Mapping B1-induced eddy current effects near metallic structures in MR images: A comparison of simulation and experiment
Keywords: Metal artifacts; RF eddy current; MRI; Pure phase encode; B1 mapping; SPRITE;
k-t Acceleration in pure phase encode MRI to monitor dynamic flooding processes in rock core plugs
Keywords: Pure phase encoding; SPRITE; SESPI; Flooding; k-t Space; Compressed sensing; Low rank matrix; Nuclear norm minimization; Core plugs;
New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE
Keywords: 3D Fast Spin Echo; Generalized phase encoding; 7Li MRI; SPRITE; k-Space sampling; Diffusion; Relaxation; Electrochemistry;
Multi-Frame SPRITE: A method for resolution enhancement of multiple-point SPRITE data
Keywords: Magnetic resonance imaging (MRI); Single point imaging (SPI); SPRITE; Resolution enhancement; Multi-Frame SPRITE; Chirp z-transform (CZT); Multiple point acquisition; Data processing; Image reconstruction;
Restricted k-space sampling in pure phase encode MRI of rock core plugs
Keywords: Optimal sampling; k-Space trajectory; Hybrid-SESPI; SPRITE; Core plugs;
B1 mapping with a pure phase encode approach: Quantitative density profiling
Keywords: MRI; B1 mapping; SPRITE; Image correction; Principle of reciprocity;
Hybrid-SPRITE MRI
Keywords: Frequency and phase encoding; SPRITE; Inverse Non-uniform Discrete Fourier Transform; Profiles; Pseudo-polar grid; Sensitivity;
Consequences of the application of the streamer fluid model to the study of the sprite inception mechanism
Keywords: Sprite; Halo; Streamer; Lightning; Fluid model; Drift-diffusion equation;
Optically perceptible characteristics of sprites observed in Central Europe in 2007–2009
Keywords: Sprite; Morphology; Cardinality; Optical duration
Two-dimensional T2 distribution mapping in rock core plugs with optimal k-space sampling
Keywords: T2 mapping; Spin Echo SPI; SPRITE; Optimal sampling; Keyhole; Compressed sensing; Core plugs;
Velocity field measurements in sedimentary rock cores by magnetization prepared 3D SPRITE
Keywords: Flow; Porous media; Sedimentary rocks; Velocity field; Permeability; MRI; SPRITE; Restricted k-space sampling; Velocity mapping;
Two-dimensional T2 distribution mapping in porous solids with phase encode MRI
Keywords: T2 mapping; SPRITE; Spin-echo SPI; Compressed sensing; Porous solids;
T2 distribution mapping profiles with phase-encode MRI
Keywords: T2 mapping; SPRITE; Spin-echo SPI; Porous solids;
Tennis Video 2.0: A new presentation of sports videos with content separation and rendering
Keywords: Interactive video; Video analysis; Video enrichment; Video rendering; Event search; Scalable video; Video annotation; Object segmentation; Sprite; Matting
Variable bandwidth filtering for magnetic resonance imaging with pure phase encoding
Keywords: MRI; SPRITE; Pure phase encoding; Filtering; Variable bandwidth filter; SNR;
Propagation velocity of VLF EM waves from lightning discharges producing Q-bursts observed in the range 10–15 Mm
Keywords: Q-burst; Schumann resonance; Lightning; Sprite; ELF; VLF
Non-Cartesian sampled centric scan SPRITE imaging with magnetic field gradient and B0(t) field measurements for MRI in the vicinity of metal structures
Keywords: Metal structure; High-pressure MRI; Pressure vessel; Eddy currents; B0 eddy currents; Gradient waveform; Magnetic field gradient monitor (MFGM); SPRITE; Non-Cartesian sampling; Image reconstruction; Pure phase encode;
Some results of observations of positive lightning discharges and relative phenomena in the east of Siberia
Keywords: Positive lightning discharges; VLF atmospherics; ELF pulses; Sprite;
35Cl profiling using centric scan SPRITE with variable flip angle excitation
Keywords: SPRITE; Centric scan; 35Cl MRI; Relaxation time; Non-proton; Portland cement;
Flow imaging of fluids in porous media by magnetization prepared centric-scan SPRITE
Keywords: MRI; SPRITE; Centric scan; Flow; Velocity; Single phase flow; Porous media; Sand pack; Pipe; Rock; Dispersion coefficient; q-Space;
Phase-cycled averaging for the suppression of residual magnetisation in SPI sequences
Keywords: MRI; Single point imaging; SPRITE; SPI; Residual magnetisation; Artefacts; Phase cycling; Phase graphs; Extended phase graphs; Extended phase encode graphs; EPEG; Phase cycling filter; Phase-cycled averaging; FID; Spin echo; Stimulated echo;
Repetition time and flip angle variation in SPRITE imaging for acquisition time and SAR reduction
Keywords: Single point imaging; SPRITE; SAR reduction; Acquisition time reduction; Sequence design;
SPRITE MRI of bubbly flow in a horizontal pipe
Keywords: Two-phase flow; MRI; SPRITE; Velocimetry; Turbulence;
Analysis of thunderstorm and lightning activity associated with sprites observed during the EuroSprite campaigns: Two case studies
Keywords: Sprite; Lightning; Ground flash; Mesoscale Convective System; Electric discharge; Mesosphere
A PIC-MCC code for simulation of streamer propagation in air
Keywords: 97.10.Gz; 97.30.Qt; 97.80.GmPIC-MCC; Streamer; Discharge; Sprite
Quantitative discrimination of water and hydrocarbons in porous media by magnetization prepared centric-scan SPRITE
Keywords: MRI; SPRITE; Centric scan; Magnetization preparation; Contrast imaging; Diffusion mapping; Immiscible oil displacement; Water flooding; Porous media; T1 mapping; T2 mapping; Pure phase encode;
An alternative explanation for the ultra-slow tail of sprite-associated lightning discharges
Keywords: Ionosphere; Lightning; Sprite; ULF magnetic transients
Quantitative density profiling with pure phase encoding and a dedicated 1D gradient
Keywords: Centric scan; Relaxation time; Non-proton; Gradient coil; SPRITE; Density-weighted;
Application of the chirp z-transform to MRI data
Keywords: SPRITE; Multiple point acquisition; Chirp z-transform; Interpolation; FOV scaling; MRI; Single point imaging; SPI;
Centric-scan SPRITE magnetic resonance imaging with prepared magnetisation
Keywords: MRI; short T2â; SPRITE; Magnetisation preparation; Contrast imaging; Pure phase encoding; Single point imaging;
Sectoral sampling in centric-scan SPRITE magnetic resonance imaging
Keywords: MRI; Short T2â; SPRITE; Materials; Sectoral trajectory; Pure phase encoding; Single point imaging;
A comparison of three SPRITE techniques for the quantitative 3D imaging of the 23Na spin density on a 4T whole-body machine
Keywords: Sodium; Quadrupolar interaction; SPRITE;
Sprite-attributed infrasonic chirps—their detection, occurrence and properties between 1994 and 2004
Keywords: Sprite; Infrasound; Lighting; Thunderstorm activity; Atmospheric electricity; Remote sensing
Speaking on the record: A theory of composition
Keywords: Aud; Emergent literacy; Design research; Letteracy; Oral composition; Prosodacy; Sprite; Writing technology
Phantom materials for single point imaging pulse sequences
Keywords: MRI; SPI; SPRITE; Phantom; Short T2*; Materials;
Membrane gas diffusion measurements with MRI
Keywords: Membrane; Diffusion; Gas phase; SPRITE; Diaphragm cell; Hydrogen; Sulfur-hexafluoride; MRI; Imaging; Magnetic resonance;
A novel high temperature 1H NMR imaging probe for combustion studies: The behaviour of both a lit and unlit methane gas jet
Keywords: SPRITE; Single-point imaging; Gas flow; Gas combustion; Flame;