C-arm CT imaging with the extended line-ellipse-line trajectory: first implementation on a state-of-the-art robotic angiography system

Z Guo, G Lauritsch, A Maier, P Kugler… - Physics in Medicine …, 2020 - iopscience.iop.org
Three-dimensional cone-beam imaging has become valuable in interventional radiology.
Currently, this tool, referred to as C-arm CT, employs a circular short-scan for data acquisition, …

Decrypting magnetic fabrics (AMS, AARM, AIRM) through the analysis of mineral shape fabrics and distribution anisotropy

T Mattsson, B Petri, B Almqvist… - Journal of …, 2021 - Wiley Online Library
… -fit ellipsoid to the separated grain volume surfaces in Blob3D. We validated the accuracy of
… The principal axes of the AMS, AARM and AIRM ellipsoids are slightly oblique and diverge …

Anisotropy of full and partial anhysteretic remanence across different rock types: 2—Coercivity dependence of remanence anisotropy

AR Biedermann, M Jackson, D Bilardello… - …, 2020 - Wiley Online Library
… have been imposed over different coercivity windows, and these differences can be expressed
as changes in principal directions, anisotropy degree, or the shape of the AARM ellipsoid. …

[HTML][HTML] Visual acuity in retinal vein occlusion, diabetic, and uveitic macular edema: central subfield thickness and ellipsoid zone analysis

TA Ciulla, B Kapik, DS Grewal, MS Ip - Ophthalmology Retina, 2021 - Elsevier
… acuity examiners and is a reliable and well-established functional … the active arm and 229
patients were assigned to the control arm. … Patients in the active arm were to receive intravitreal …

[HTML][HTML] Anatomic total shoulder arthroplasty using a stem-free ellipsoid humeral implant in patients of all ages

SS Goldberg, ES Baranek, KC Korbel, TA Blaine… - Journal of shoulder and …, 2021 - Elsevier
… radiology clinics and inconsistency in arm positioning did not allow for reliable grading
with this method. This also limited our ability to evaluate “recentering” the glenohumeral joint. …

Challenges associated with ellipsoid zone intensity measurements using optical coherence tomography

KE Lee, H Heitkotter, J Carroll - Translational vision science & …, 2021 - tvst.arvojournals.org
… —some suggest it originates from the ellipsoid zone (EZ) of the … that impact widespread
reliable utilization of EZ metrics. … While some devices allow documentation of the reference arm

Independently commanding size, shape and orientation of robot endpoint stiffness in tele-impedance by virtual ellipsoid interface

L Peternel, N Beckers, DA Abbink - 2021 20th International …, 2021 - ieeexplore.ieee.org
ellipsoid with the fingers of secondary arm to adjust the size, shape and orientation of the
remote robot’s endpoint stiffness ellipsoid… human or a lack of reliable sensory information – …

Test–retest reliability of upper limb robotic exoskeleton assessments in children and youths with brain lesions

JV Graser, L Prospero, M Liesch, U Keller… - Scientific Reports, 2022 - nature.com
… keep their arm relaxed, while the robot moved the child’s arm in … We think a parameter like
the “mean ellipse ratio”, which … movement accuracy, as it showed a moderately high test–retest …

Application and reliability of accelerometer-based arm use intensities in the free-living environment for manual wheelchair users and able-bodied individuals

BM Goodwin, O Jahanian, MG Van Straaten, E Fortune… - Sensors, 2021 - mdpi.com
Arm use in manual wheelchair (MWC) users is characterized by a combination of overuse
and a sedentary lifestyle. This study aimed to describe the percentage of daily time MWC …

Analysis of the Stability of the Body in a Standing Position When Shooting at a Stationary Target—A Randomized Controlled Trial

M Krawczyk-Suszek, B Martowska, R Sapuła - Sensors, 2022 - mdpi.com
… case of the parameter: 95% confidence ellipse area and backfoot force R … ensures the reliability
and credibility of reporting … for analysis such as muscle mass, arm length etc. as well as a …