Results 151 to 160 of about 934,012 (382)

Log file‐based quality assurance method for respiratory gating system

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Background As medical linear accelerator technology advances, enabling higher dose rate deliveries, hypofractionation regimens has increased. This necessitates respiratory gating systems that synchronize radiation delivery with tumor position, requiring simple rigorous quality assurance (QA) to ensure treatment accuracy and patient safety ...
Wonjoong Cheon   +7 more
wiley   +1 more source

Shape from dots: a window into abstraction processes in visual perception

open access: yesFrontiers in Computer Science
IntroductionA remarkable phenomenon in perception is that the visual system spontaneously organizes sets of discrete elements into abstract shape representations.
Nicholas Baker, Philip J. Kellman
doaj   +1 more source

Abstract Program Slicing: an Abstract Interpretation-based approach to Program Slicing [PDF]

open access: yesarXiv, 2016
In the present paper we formally define the notion of abstract program slicing, a general form of program slicing where properties of data are considered instead of their exact value. This approach is applied to a language with numeric and reference values, and relies on the notion of abstract dependencies between program components (statements). The
arxiv  

On abstraction-carrying code and certificate-size reduction [PDF]

open access: yes, 2006
ion-Carrying Code (ACC) is a framework for mobile code safety in which the code supplier provides a program together with an abstraction (or abstract model of the program) whose validity entails compliance with a predefined safety policy. The abstraction
Albert Albiol, Elvira   +3 more
core   +1 more source

Proving Abstractions of Dynamical Systems through Numerical Simulations

open access: yes, 2014
A key question that arises in rigorous analysis of cyberphysical systems under attack involves establishing whether or not the attacked system deviates significantly from the ideal allowed behavior.
Mitra, Sayan
core   +1 more source

Evaluating feature extraction reproducibility across image biomarker standardization initiative‐compliant radiomics platforms using a digital phantom

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Background The aim of this study was to thoroughly analyze the reproducibility of radiomics feature extraction across three Image Biomarker Standardization Initiative (IBSI)‐compliant platforms using a digital phantom for benchmarking. It uncovers high consistency among common features while also pointing out the necessity for standardization ...
Han‐Back Shin   +5 more
wiley   +1 more source

Associate/Dissociate: Allusive and Elusive Care in Veronica Ryan’s Sculpture

open access: yesArts
Reflecting on the experience of curating Veronica Ryan’s work for the 2021 exhibition Life Support: Forms of Care in Art and Activism at Glasgow Women’s Library, this essay contextualizes the artist’s recent sculptures in relation to the theories ...
Catherine Spencer
doaj   +1 more source

Learning Abstractions for Program Synthesis [PDF]

open access: yesarXiv, 2018
Many example-guided program synthesis techniques use abstractions to prune the search space. While abstraction-based synthesis has proven to be very powerful, a domain expert needs to provide a suitable abstract domain, together with the abstract transformers of each DSL construct.
arxiv  

Advantages and limitations of navigation‐based multicriteria optimization (MCO) in selectively sparing pharyngeal constrictor muscles in head and neck radiotherapy treatment planning

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Sparing pharyngeal constrictor muscles (PCMs) during radiotherapy improves patient‐reported swallowing function. This study aimed to explore the feasibility of integrating knowledge‐based planning (KBP) with multicriteria optimization (MCO) in Eclipse v18.0 to selectively spare PCM, quantify the required trade‐off in prophylactic ...
Laura K. Howard   +3 more
wiley   +1 more source

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