Results 111 to 120 of about 263,686 (317)

UR‐cycleGAN: Denoising full‐body low‐dose PET images using cycle‐consistent Generative Adversarial Networks

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose This study aims to develop a CycleGAN based denoising model to enhance the quality of low‐dose PET (LDPET) images, making them as close as possible to standard‐dose PET (SDPET) images. Methods Using a Philips Vereos PET/CT system, whole‐body PET images of fluorine‐18 fluorodeoxyglucose (18F‐FDG) were acquired from 37 patients to ...
Yang Liu, ZhiWu Sun, HaoJia Liu
wiley   +1 more source

Mediation in Situations of Conflict and Limited Commitment [PDF]

open access: yes
We study the reasons and conditions under which mediation is beneficial when a principal needs information from an agent to implement an action. Assuming a strong form of limited commitment, the principal may employ a mediator who gathers information and
Kay Mitusch, Roland Strausz
core   +3 more sources

Optimal Information Revelation by Informed Investors [PDF]

open access: yes, 2005
This paper studies the structure of optimal finance contracts in an agency model of outside finance, when investors possess private information. We show that, depending on the intensity of the entrepreneur’s moral hazard problem, optimal contracts induce
Strausz, Roland
core   +2 more sources

Empowering young minds through STEM education: Engaging high schoolers in Ghana through medical physics

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose To promote diversity in Science, Technology, Engineering, and Mathematics (STEM), an educational presentation and hands‐on session was organised to raise awareness of STEM career opportunities among high school girls to introduce the students to the field of medical physics. Materials and Methods The study involved 65 first‐year Senior
Afua A. Yorke   +7 more
wiley   +1 more source

Al-Faruqi’s Views on Selected Topics of Ilm al-Kalam [PDF]

open access: yesInternational Journal of Islamic Thought, 2018
The study of Ilm al-kalam is still relevant and meaningful in the modern period of time. It is not outdated rather it has gone through various developments throughout the history in order to cope up with the needs of the age.
Adibah Abdul Rahim   +2 more
doaj  

The Maximal Domain for the Revelation Principle when Preferences are Menu Dependent [PDF]

open access: yes
We extend the domain of preferences to include menu-dependent preferences and characterize the maximal subset of this domain in which the revelation principle holds. Minimax-regret preference is shown to be outside this subset.microeconomics ;
Saran, Rene
core   +1 more source

A dynamic mechanism and surplus extraction under ambiguity [PDF]

open access: yes, 2007
We study the question of auction design in an IPV setting characterized by ambiguity. We assume that the preferences of agents exhibit ambiguity aversion; in particular, they are represented by the epsilon-contamination model.
Arup Daripa   +35 more
core   +1 more source

Gibbard-Satterthwaite Success Stories and Obvious Strategyproofness [PDF]

open access: yesarXiv, 2016
The Gibbard-Satterthwaite Impossibility Theorem holds that dictatorship is the only Pareto optimal and strategyproof social choice function on the full domain of preferences. Much of the work in mechanism design aims at getting around this impossibility theorem. Three grand success stories stand out.
arxiv  

Occurrence, Risk Factors, and Prognosis of Acute Cerebral Microinfarcts in CADASIL

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common monogenic cerebral small vessel disease in adults. This study investigates the occurrence, risk factors, and prognosis of acute cerebral microinfarcts (ACMIs) in patients with CADASIL.
Xuejiao Men   +11 more
wiley   +1 more source

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