Results 261 to 270 of about 190,435 (331)

Hypershape Recognition: A General Framework for Moment-Based Molecular Similarity. [PDF]

open access: yesJ Chem Inf Model
Costamagna M   +3 more
europepmc   +1 more source

Optimized motion‐insensitive PDFF mapping of the liver

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose To implement, optimize, and validate parallel imaging (PI)‐accelerated, 2D, flip angle modulated (FAM) chemical shift‐encoded quantification of liver proton‐density fat fraction (PDFF), with motion insensitivity. Methods The optimization cost function that determines flip angles in FAM was generalized for PI.
Jiayi Tang   +12 more
wiley   +1 more source

Exact, time‐dependent analytical equations for spiral trajectories and matching gradient and density‐correction waveforms

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose To analytically define a spiral waveform and trajectory that match the constraints of gradient frequency, slew rate, and amplitude. Theory and Methods Piecewise analytical solutions for gradient waveforms under the desired constraints are derived using the circle of an involute rather than an Archimedean spiral.
Guruprasad Krishnamoorthy, James G. Pipe
wiley   +1 more source

Autonomous object tracking with vision based control using a 2DOF robotic arm. [PDF]

open access: yesSci Rep
Sahu UK   +6 more
europepmc   +1 more source

Bioinspired trajectory modulation for effective slip control in robot manipulation. [PDF]

open access: yesNat Mach Intell
Nazari K   +4 more
europepmc   +1 more source

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