Results 41 to 50 of about 4,863,171 (382)

Reconciliation of Time Perspectives as a Criterion for Therapy Completion

Gestalt Theory, 2021
Giancarlo Trombini presents the continuation of his research on the question of which criteria can be used to assess the progress of therapy in an objectively verifiable way and to make the decision on the completion of therapy. In the first phase of his
Trombini Giancarlo, Trombini Elena, Stemberger Gerhard   +2 more
doaj   +1 more source

Butterfly: Multiple Reference Frames Feature Propagation Mechanism for Neural Video Compression [PDF]

arXiv, 2023
Using more reference frames can significantly improve the compression efficiency in neural video compression. However, in low-latency scenarios, most existing neural video compression frameworks usually use the previous one frame as reference. Or a few frameworks which use the previous multiple frames as reference only adopt a simple multi-reference ...
arxiv  

Factors modulating 99mTc‐MAA planar lung dosimetry for 90Y radioembolization

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose To investigate the accuracy and biases of predicted lung shunt fraction (LSF) and lung dose (LD) calculations via 99mTc‐macro‐aggregated albumin (99mTc‐MAA) planar imaging for treatment planning of 90Y‐microsphere radioembolization.
Benjamin P. Lopez, Armeen Mahvash, James P. Long, Marnix G. E. H. Lam, S. Cheenu Kappadath   +4 more
wiley   +1 more source

Contre une vision diffusionniste de la « naissance de la prison »

Socio, 2020
During the “long” 19th century, the prison became the dominant institution of punishment on a worldwide scale. Focussing on the first half of this period, the article demonstrates that concepts of diffusion, which continue to provide the central model of
Stephan Scheuzger
doaj   +1 more source

The third realization of the International Celestial Reference Frame by very long baseline interferometry [PDF]

Astronomy & Astrophysics, 2020
A new realization of the International Celestial Reference Frame (ICRF) is presented based on the work achieved by a working group of the International Astronomical Union (IAU) mandated for this purpose.
P. Charlot, C. Jacobs, D. Gordon, S. Lambert, A. D. Witt, J. Bohm, A. Fey, R. Heinkelmann, E. Skurikhina, O. Titov, E. F. Arias, S. Bolotin, G. Bourda, C. Ma, Z. Malkin, A. Nothnagel, D. Mayer, D. MacMillan, T. Nilsson, R. Bordeaux, U. Bordeaux, Cnrs, Pessac, France., Jet propulsion Laboratory, C. I. O. Technology., Pasadena, Usa, N. S. L. A. S. Center, Greenbelt, Syrte, O. Paris, Universit'e Psl, Sorbonne Universit'e, LnE, París, Hartebeesthoek Radio Astronomy Observatory, Krugersdorp, S. Africa, Department of Geodesy, Geoinformation, T. U. Wien, Vienna, Austria, U. N. Observatory, Washington, Dc, H. Potsdam, German Research Centre for Geosciences, Potsdam, H Germany, I. O. Astronomy, R. A. O. Sciences, S. Petersburg, Russia., G. Australia, Canberra, Australia., Nasa Goddard Space Flight Center, P. Observatory, Kazan Federal University, Kazan, Institut fur Geodasie und Geoinformation, U. Bonn, Bonn, National Science Foundation, Alexandria   +66 more
semanticscholar   +1 more source

A small footprint couch‐top support device for image‐guided radiotherapy of heavy patients

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose Patients with body weights close to or above 400 lbs present unique challenges in radiation therapy since the weight limit of most treatment couches decreases as the couch‐top extends toward the treatment gantry. The purpose of this work was to develop a small footprint couch‐top support platform to safely perform image‐guided ...
Huixiao Chen, Kevin Morley, Ronnie Rodriguez, Emily Draeger, Muhammad Shafiq ul Hassan, Zhe (Jay) Chen   +5 more
wiley   +1 more source

Evaluation of intrafraction couch shifts for proton treatment delivery in head‐and‐neck cancer patients: Toward optimal imaging frequency

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose Treatment planning for head‐and‐neck (H&N) cancer, in particular oropharynx, nasopharynx, and paranasal sinus cases, at our center requires noncoplanar proton beams due to the complexity of the anatomy and target location. Targeting accuracy for all beams is carefully evaluated by using image guidance before delivering proton beam ...
Nrusingh C. Biswal, Dario B. Rodrigues, Weiguang Yao, Jason K. Molitoris, Matthew E. Witek, Shifeng Chen   +5 more
wiley   +1 more source

Nutation and Reference Frame [PDF]

Highlights of Astronomy, 1995
The reference frames are of fundamental importance in all kinds of the precession and nutation studies involving the theory, the coordinate transformation and the observations. The aim of this paper is to review all the frames used in such studies and to lead to a better consistency between them in order that theory and reductions of observations be ...
openaire   +1 more source

The Average Energy and Molar Specific Heat at Constant Volume of an Einstein Solid Measured by an Observer with Fluctuating Frame of Reference

American Journal of Physics and Applications, 2019
We report an observer effect in an Einstein solid, a quantum-mechanical system, induced by fluctuations of an observer’s frame of reference; which has been studied so far under the assumption that the observer’s frame of reference remains constant ...
Y. Shin
semanticscholar   +1 more source

Effect of different noise reduction techniques and template matching parameters on markerless tumor tracking using dual‐energy imaging

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose To evaluate the impact of various noise reduction algorithms and template matching parameters on the accuracy of markerless tumor tracking (MTT) using dual‐energy (DE) imaging. Methods A Varian TrueBeam linear accelerator was used to acquire a series of alternating 60 and 120 kVp images (over a 180° arc) using fast kV switching, on ...
Mandeep Kaur, Peter Wagstaff, Hassan Mostafavi, Mathias Lehmann, Daniel Morf, Liangjia Zhu, Hyejoo Kang, Michal Walczak, Matthew M. Harkenrider, John C. Roeske   +9 more
wiley   +1 more source