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Newton’s method for reinforcement learning and model predictive control
Published 2022-06-01“…In these game contexts, the off-line training algorithm is the method used to teach the program how to evaluate positions and to generate good moves at any given position, while the on-line play algorithm is the method used to play in real time against human or computer opponents.Both AlphaZero and TD-Gammon were trained off-line extensively using neural networks and an approximate version of the fundamental DP algorithm of policy iteration. Yet the AlphaZero player that was obtained off-line is not used directly during on-line play (it is too inaccurate due to approximation errors that are inherent in off-line neural network training). …”
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43942
Inter‐scanner Aβ‐PET harmonization using barrel phantom spatial resolution matching
Published 2024-01-01“…The Vision and mCT scans were reconstructed using various iterations, subsets, and post‐reconstruction Gaussian smoothing, whereas only one reconstruction configuration was used for the Philips scans. …”
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43943
Reliability and validity of the Veterans Administration Mobility Screening and Solutions Tool
Published 2022-11-01“…The initial VA MSST draft iteration was reviewed by 163 VA staff (mostly physical therapists and occupational therapists) amongst simulation scenarios and provided content validity, and additional insight and suggestions. …”
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43944
Towards reconstructing the Arctic atmospheric methane history over the 20th century: measurement and modelling results for the North Greenland Ice Core Project firn
Published 2022-05-01“…We examine a variety of possible firn diffusivity profiles, using a suite of measured trace gases, and reconstruct the CH<span class="inline-formula"><sub>4</sub></span> mole fraction by an iterative dating method. Although the reconstructions of the Arctic CH<span class="inline-formula"><sub>4</sub></span> mole fraction before the mid-1970s still has large uncertainties (<span class="inline-formula">></span> 30 ppb – parts per billion), we find a relatively narrow range of atmospheric CH<span class="inline-formula"><sub>4</sub></span> history that is consistent with both depth profiles of NGRIP and NEEM. …”
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43945
Electronic health record closed-loop referral (“eReferral”) to a state tobacco quitline: a retrospective case study of primary care implementation challenges and adaptations
Published 2022-10-01“…Both health systems engaged in iterative refinement of the EHR alert prompting eReferral, the eReferral order, trainings, and workflows. …”
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43946
Residual temperature bias effects in stratospheric species distributions from LIMS
Published 2021-03-01“…An error in <span class="inline-formula"><i>T</i>(<i>p</i></span>) affects species retrievals through (1) the Planck blackbody function in forward calculations of limb radiance that are part of the iterative retrieval algorithm of LIMS, and (2) the registration of the measured LIMS species radiance profiles in pressure altitude, mainly for the lower stratosphere. …”
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43947
Making the Correct Diagnosis in Thrombotic Microangiopathy: A Narrative Review
Published 2021-04-01“…Authors, through an iterative review process identified and synthesized information from relevant published studies. …”
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43948
Target Product Profile for a Machine Learning–Automated Retinal Imaging Analysis Software for Use in English Diabetic Eye Screening: Protocol for a Mixed Methods Study
Published 2024-03-01“…The document will be iterated between rounds based on participants’ feedback. …”
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43949
Design of FPGA-Based SHE and SPWM Digital Switching Controllers for 21-Level Cascaded H-Bridge Multilevel Inverter Model
Published 2022-01-01“…The designed SHE switching controller mainly consists of a four-bit finite state machine (FSM) and a 13-bit counter, while the SPWM switching controller employs a simple iterative CORDIC algorithm with a small amount of data storage requirement, a six-bit up-down counter, and a few adders. …”
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43950
An Audio Personal Health Library of Clinic Visit Recordings for Patients and Their Caregivers (HealthPAL): User-Centered Design Approach
Published 2021-10-01“…MethodsOur user-centered design and usability evaluation approach incorporated iterative rounds of video-recorded sessions from 2016 to 2019. …”
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43951
Deep Learning Empowered Semi-Blind Joint Detection in Cooperative NOMA
Published 2021-01-01“…We use a DL-based detection (DLDet) in both users instead of conventional detectors. Therefore, an iterative detector (i.e., successive interference canceler (SIC)) at the near user (UE1) and a combining plus optimum detector (i.e., maximum ratio combining (MRC) and maximum-likelihood (ML) detector) at the far user (UE2) are not required anymore. …”
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43952
Asphericity of tumor FDG uptake in non-small cell lung cancer: reproducibility and implications for harmonization in multicenter studies
Published 2020-11-01“…Reconstruction used OSEM with TOF4/16 (iterations 4; subsets 16; in-plane filter 2.0, 6.4 or 9.5 mm), TOF4/8 (4 it; 8 ss; filter 2.0/6.0/9.5 mm), PSF + TOF2/17 (2 it; 17 ss; filter 2.0/7.0/10.0 mm) or Bayesian-penalized likelihood (Q.Clear; beta, 600/1750/4000). …”
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43953
A Web-Based Cancer Self-Management Program (I-Can Manage) Targeting Treatment Toxicities and Health Behaviors: Human-Centered Co-design Approach and Cognitive Think-Aloud Usability...
Published 2023-07-01“…ObjectiveWe undertook a user-centered co-design process in partnership with patients and other knowledge end users to develop and iteratively test an evidence-based and theoretically informed web-based cancer self-management program (I-Can Manage). …”
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43954
Holomorphic Extensions Associated with Fourier–Legendre Series and the Inverse Scattering Problem
Published 2021-06-01“…The function <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>f</mi><mo>(</mo><mi>θ</mi><mo>)</mo></mrow></semantics></math></inline-formula> is shown to have a holomorphic extension to a cut-domain, and from the discontinuity across the cuts we can iteratively reconstruct the spectral density <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>σ</mi><mo>(</mo><mi>μ</mi><mo>)</mo></mrow></semantics></math></inline-formula> associated with the class of Yukawian potentials. …”
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43955
Determination of the Initial Value Ranges of Nonlinear Solutions for a Log Ratio Bathymetric Inversion Model and Bathymetry Retrieval
Published 2021-01-01“…So <inline-formula><tex-math notation="LaTeX">${\boldsymbol{n}}(0)$</tex-math></inline-formula> needs more iterations to achieve the optimal. Therefore, the initial value <inline-formula><tex-math notation="LaTeX">${\boldsymbol{n}}(0)$</tex-math></inline-formula> determines whether the optimization method can obtain credible LRM model parameters and the algorithm convergence speed. …”
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43956
On the Nature and Origin of Atmospheric Annual and Semi-Annual Oscillations
Published 2022-11-01“…This paper proposes a joint analysis of variations of global sea-level pressure (SLP) and of Earth’s rotation (RP), expressed as the coordinates of the rotation pole (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>m</mi><mn>1</mn></msub></semantics></math></inline-formula>, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>m</mi><mn>2</mn></msub></semantics></math></inline-formula>) and length of day (lod). We retain iterative singular spectrum analysis (iSSA) as the main tool to extract the trend, periods, and quasi periods in the data time series. …”
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43957
A novel nomogram to stratify quality of life among advanced cancer patients with spinal metastatic disease after examining demographics, dietary habits, therapeutic interventions,...
Published 2022-11-01“…Internal validation was also completed using the bootstrap method after applying 500 iterations of procedures. A web calculator was also developed to promote clinical practice. …”
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