User profiles for Alexander Loktyushin
Alexander LoktyushinDigital Therapeutics, Champalimaud Center for the Unknown Verified email at research.fchampalimaud.org Cited by 471 |
Blind retrospective motion correction of MR images
A Loktyushin, H Nickisch, R Pohmann… - Magnetic resonance …, 2013 - Wiley Online Library
Purpose Subject motion can severely degrade MR images. A retrospective motion correction
algorithm, Gradient‐based motion correction, which significantly reduces ghosting and …
algorithm, Gradient‐based motion correction, which significantly reduces ghosting and …
Existential neuroscience: a functional magnetic resonance imaging investigation of neural responses to reminders of one's mortality
A considerable body of evidence derived from terror management theory indicates that the
awareness of mortality represents a potent psychological threat engendering various forms of …
awareness of mortality represents a potent psychological threat engendering various forms of …
MRzero‐Automated discovery of MRI sequences using supervised learning
A Loktyushin, K Herz, N Dang, F Glang… - Magnetic …, 2021 - Wiley Online Library
Purpose A supervised learning framework is proposed to automatically generate MR
sequences and corresponding reconstruction based on the target contrast of interest. Combined …
sequences and corresponding reconstruction based on the target contrast of interest. Combined …
Blind multirigid retrospective motion correction of MR images
A Loktyushin, H Nickisch, R Pohmann… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose Physiological nonrigid motion is inevitable when imaging, eg, abdominal viscera,
and can lead to serious deterioration of the image quality. Prospective techniques for motion …
and can lead to serious deterioration of the image quality. Prospective techniques for motion …
Automatic detection of motion artifacts in MR images using CNNS
Considerable practical interest exists in being able to automatically determine whether a
recorded magnetic resonance image is affected by motion artifacts caused by patient …
recorded magnetic resonance image is affected by motion artifacts caused by patient …
Spread‐spectrum magnetic resonance imaging
Purpose A novel method for the acceleration of MRI acquisition is proposed that relies on
the local modulation of magnetic fields. These local modulations provide additional spatial …
the local modulation of magnetic fields. These local modulations provide additional spatial …
[HTML][HTML] MR-double-zero–proof-of-concept for a framework to autonomously discover MRI contrasts
F Glang, S Mueller, K Herz, A Loktyushin… - Journal of Magnetic …, 2022 - Elsevier
Purpose A framework for supervised design of MR sequences for any given target contrast is
proposed, based on fully automatic acquisition and reconstruction of MR data on a real MR …
proposed, based on fully automatic acquisition and reconstruction of MR data on a real MR …
[HTML][HTML] The achievement motive in the brain: BOLD responses to pictures of challenging activities predicted by implicit versus explicit achievement motives
M Quirin, A Loktyushin, E Küstermann… - Frontiers in Psychology, 2022 - frontiersin.org
The achievement motive refers to a preference for mastering challenges and competing with
some standard of excellence. Along with affiliation and power motives, the achievement …
some standard of excellence. Along with affiliation and power motives, the achievement …
MR‐zero meets RARE MRI: Joint optimization of refocusing flip angles and neural networks to minimize T2‐induced blurring in spin echo sequences
…, S Weinmüller, F Glang, A Loktyushin… - Magnetic …, 2023 - Wiley Online Library
Purpose An end‐to‐end differentiable 2D Bloch simulation is used to reduce T 2 induced
blurring in single‐shot turbo spin echo sequences, also called rapid imaging with refocused …
blurring in single‐shot turbo spin echo sequences, also called rapid imaging with refocused …
Retrospective motion correction of magnitude-input MR images
There has been a considerable progress recently in understanding and developing solutions
to the problem of image quality deterioration due to patients’ motion in MR scanners. …
to the problem of image quality deterioration due to patients’ motion in MR scanners. …